1 | /** |
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2 | * @preserve Galleria v 1.2.6 2011-12-12 |
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3 | * http://galleria.aino.se |
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4 | * |
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5 | * Copyright (c) 2011, Aino |
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6 | * Licensed under the MIT license. |
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7 | */ |
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8 | |
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9 | /*global jQuery, navigator, Galleria:true, Image */ |
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10 | |
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11 | (function( $ ) { |
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12 | |
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13 | // some references |
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14 | var undef, |
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15 | window = this, |
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16 | doc = window.document, |
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17 | $doc = $( doc ), |
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18 | $win = $( window ), |
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19 | |
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20 | // internal constants |
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21 | VERSION = 1.26, |
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22 | DEBUG = true, |
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23 | TIMEOUT = 30000, |
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24 | DUMMY = false, |
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25 | NAV = navigator.userAgent.toLowerCase(), |
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26 | HASH = window.location.hash.replace(/#\//, ''), |
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27 | IE = (function() { |
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28 | |
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29 | var v = 3, |
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30 | div = doc.createElement( 'div' ), |
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31 | all = div.getElementsByTagName( 'i' ); |
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32 | |
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33 | do { |
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34 | div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->'; |
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35 | } while ( all[0] ); |
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36 | |
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37 | return v > 4 ? v : undef; |
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38 | |
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39 | }() ), |
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40 | DOM = function() { |
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41 | return { |
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42 | html: doc.documentElement, |
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43 | body: doc.body, |
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44 | head: doc.getElementsByTagName('head')[0], |
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45 | title: doc.title |
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46 | }; |
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47 | }, |
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48 | |
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49 | // list of Galleria events |
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50 | _eventlist = 'data ready thumbnail loadstart loadfinish image play pause progress ' + |
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51 | 'fullscreen_enter fullscreen_exit idle_enter idle_exit rescale ' + |
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52 | 'lightbox_open lightbox_close lightbox_image', |
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53 | |
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54 | _events = (function() { |
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55 | |
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56 | var evs = []; |
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57 | |
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58 | $.each( _eventlist.split(' '), function( i, ev ) { |
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59 | evs.push( ev ); |
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60 | |
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61 | // legacy events |
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62 | if ( /_/.test( ev ) ) { |
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63 | evs.push( ev.replace( /_/g, '' ) ); |
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64 | } |
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65 | }); |
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66 | |
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67 | return evs; |
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68 | |
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69 | }()), |
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70 | |
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71 | // legacy options |
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72 | // allows the old my_setting syntax and converts it to camel case |
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73 | |
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74 | _legacyOptions = function( options ) { |
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75 | |
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76 | var n; |
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77 | |
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78 | if ( typeof options !== 'object' ) { |
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79 | |
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80 | // return whatever it was... |
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81 | return options; |
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82 | } |
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83 | |
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84 | $.each( options, function( key, value ) { |
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85 | if ( /^[a-z]+_/.test( key ) ) { |
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86 | n = ''; |
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87 | $.each( key.split('_'), function( i, k ) { |
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88 | n += i > 0 ? k.substr( 0, 1 ).toUpperCase() + k.substr( 1 ) : k; |
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89 | }); |
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90 | options[ n ] = value; |
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91 | delete options[ key ]; |
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92 | } |
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93 | }); |
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94 | |
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95 | return options; |
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96 | }, |
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97 | |
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98 | _patchEvent = function( type ) { |
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99 | |
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100 | // allow 'image' instead of Galleria.IMAGE |
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101 | if ( $.inArray( type, _events ) > -1 ) { |
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102 | return Galleria[ type.toUpperCase() ]; |
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103 | } |
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104 | |
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105 | return type; |
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106 | }, |
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107 | |
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108 | // the internal timeouts object |
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109 | // provides helper methods for controlling timeouts |
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110 | _timeouts = { |
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111 | |
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112 | trunk: {}, |
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113 | |
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114 | add: function( id, fn, delay, loop ) { |
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115 | loop = loop || false; |
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116 | this.clear( id ); |
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117 | if ( loop ) { |
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118 | var old = fn; |
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119 | fn = function() { |
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120 | old(); |
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121 | _timeouts.add( id, fn, delay ); |
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122 | }; |
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123 | } |
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124 | this.trunk[ id ] = window.setTimeout( fn, delay ); |
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125 | }, |
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126 | |
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127 | clear: function( id ) { |
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128 | |
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129 | var del = function( i ) { |
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130 | window.clearTimeout( this.trunk[ i ] ); |
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131 | delete this.trunk[ i ]; |
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132 | }, i; |
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133 | |
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134 | if ( !!id && id in this.trunk ) { |
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135 | del.call( _timeouts, id ); |
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136 | |
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137 | } else if ( typeof id === 'undefined' ) { |
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138 | for ( i in this.trunk ) { |
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139 | if ( this.trunk.hasOwnProperty( i ) ) { |
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140 | del.call( _timeouts, i ); |
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141 | } |
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142 | } |
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143 | } |
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144 | } |
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145 | }, |
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146 | |
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147 | // the internal gallery holder |
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148 | _galleries = [], |
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149 | |
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150 | // the internal instance holder |
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151 | _instances = [], |
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152 | |
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153 | // flag for errors |
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154 | _hasError = false, |
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155 | |
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156 | // canvas holder |
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157 | _canvas = false, |
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158 | |
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159 | // instance pool, holds the galleries until themeLoad is triggered |
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160 | _pool = [], |
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161 | |
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162 | // themeLoad trigger |
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163 | _themeLoad = function( theme ) { |
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164 | Galleria.theme = theme; |
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165 | |
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166 | // run the instances we have in the pool |
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167 | $.each( _pool, function( i, instance ) { |
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168 | if ( !instance._initialized ) { |
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169 | instance._init.call( instance ); |
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170 | } |
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171 | }); |
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172 | }, |
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173 | |
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174 | // the Utils singleton |
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175 | Utils = (function() { |
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176 | |
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177 | return { |
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178 | |
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179 | array : function( obj ) { |
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180 | return Array.prototype.slice.call(obj, 0); |
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181 | }, |
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182 | |
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183 | create : function( className, nodeName ) { |
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184 | nodeName = nodeName || 'div'; |
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185 | var elem = doc.createElement( nodeName ); |
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186 | elem.className = className; |
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187 | return elem; |
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188 | }, |
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189 | |
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190 | getScriptPath : function( src ) { |
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191 | |
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192 | // the currently executing script is always the last |
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193 | src = src || $('script:last').attr('src'); |
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194 | var slices = src.split('/'); |
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195 | |
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196 | if (slices.length == 1) { |
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197 | return ''; |
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198 | } |
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199 | |
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200 | slices.pop(); |
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201 | |
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202 | return slices.join('/') + '/'; |
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203 | }, |
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204 | |
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205 | // CSS3 transitions, added in 1.2.4 |
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206 | animate : (function() { |
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207 | |
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208 | // detect transition |
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209 | var transition = (function( style ) { |
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210 | var props = 'transition WebkitTransition MozTransition OTransition'.split(' '), |
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211 | i; |
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212 | |
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213 | // disable css3 animations in opera until stable |
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214 | if ( window.opera ) { |
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215 | return false; |
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216 | } |
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217 | |
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218 | for ( i = 0; props[i]; i++ ) { |
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219 | if ( typeof style[ props[ i ] ] !== 'undefined' ) { |
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220 | return props[ i ]; |
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221 | } |
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222 | } |
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223 | return false; |
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224 | }(( doc.body || doc.documentElement).style )); |
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225 | |
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226 | // map transitionend event |
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227 | var endEvent = { |
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228 | MozTransition: 'transitionend', |
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229 | OTransition: 'oTransitionEnd', |
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230 | WebkitTransition: 'webkitTransitionEnd', |
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231 | transition: 'transitionend' |
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232 | }[ transition ]; |
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233 | |
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234 | // map bezier easing conversions |
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235 | var easings = { |
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236 | _default: [0.25, 0.1, 0.25, 1], |
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237 | galleria: [0.645, 0.045, 0.355, 1], |
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238 | galleriaIn: [0.55, 0.085, 0.68, 0.53], |
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239 | galleriaOut: [0.25, 0.46, 0.45, 0.94], |
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240 | ease: [0.25, 0, 0.25, 1], |
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241 | linear: [0.25, 0.25, 0.75, 0.75], |
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242 | 'ease-in': [0.42, 0, 1, 1], |
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243 | 'ease-out': [0, 0, 0.58, 1], |
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244 | 'ease-in-out': [0.42, 0, 0.58, 1] |
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245 | }; |
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246 | |
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247 | // function for setting transition css for all browsers |
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248 | var setStyle = function( elem, value, suffix ) { |
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249 | var css = {}; |
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250 | suffix = suffix || 'transition'; |
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251 | $.each( 'webkit moz ms o'.split(' '), function() { |
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252 | css[ '-' + this + '-' + suffix ] = value; |
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253 | }); |
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254 | elem.css( css ); |
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255 | }; |
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256 | |
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257 | // clear styles |
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258 | var clearStyle = function( elem ) { |
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259 | setStyle( elem, 'none', 'transition' ); |
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260 | if ( Galleria.WEBKIT && Galleria.TOUCH ) { |
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261 | setStyle( elem, 'translate3d(0,0,0)', 'transform' ); |
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262 | if ( elem.data('revert') ) { |
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263 | elem.css( elem.data('revert') ); |
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264 | elem.data('revert', null); |
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265 | } |
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266 | } |
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267 | }; |
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268 | |
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269 | // various variables |
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270 | var change, strings, easing, syntax, revert, form, css; |
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271 | |
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272 | // the actual animation method |
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273 | return function( elem, to, options ) { |
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274 | |
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275 | // extend defaults |
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276 | options = $.extend({ |
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277 | duration: 400, |
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278 | complete: function(){}, |
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279 | stop: false |
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280 | }, options); |
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281 | |
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282 | // cache jQuery instance |
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283 | elem = $( elem ); |
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284 | |
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285 | if ( !options.duration ) { |
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286 | elem.css( to ); |
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287 | options.complete.call( elem[0] ); |
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288 | return; |
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289 | } |
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290 | |
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291 | // fallback to jQuery's animate if transition is not supported |
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292 | if ( !transition ) { |
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293 | elem.animate(to, options); |
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294 | return; |
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295 | } |
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296 | |
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297 | // stop |
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298 | if ( options.stop ) { |
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299 | // clear the animation |
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300 | elem.unbind( endEvent ); |
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301 | clearStyle( elem ); |
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302 | } |
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303 | |
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304 | // see if there is a change |
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305 | change = false; |
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306 | $.each( to, function( key, val ) { |
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307 | css = elem.css( key ); |
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308 | if ( Utils.parseValue( css ) != Utils.parseValue( val ) ) { |
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309 | change = true; |
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310 | } |
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311 | // also add computed styles for FF |
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312 | elem.css( key, css ); |
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313 | }); |
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314 | if ( !change ) { |
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315 | window.setTimeout( function() { |
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316 | options.complete.call( elem[0] ); |
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317 | }, options.duration ); |
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318 | return; |
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319 | } |
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320 | |
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321 | // the css strings to be applied |
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322 | strings = []; |
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323 | |
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324 | // the easing bezier |
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325 | easing = options.easing in easings ? easings[ options.easing ] : easings._default; |
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326 | |
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327 | // the syntax |
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328 | syntax = ' ' + options.duration + 'ms' + ' cubic-bezier(' + easing.join(',') + ')'; |
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329 | |
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330 | // add a tiny timeout so that the browsers catches any css changes before animating |
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331 | window.setTimeout(function() { |
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332 | |
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333 | // attach the end event |
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334 | elem.one(endEvent, (function( elem ) { |
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335 | return function() { |
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336 | // clear the animation |
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337 | clearStyle(elem); |
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338 | |
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339 | // run the complete method |
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340 | options.complete.call(elem[0]); |
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341 | }; |
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342 | }( elem ))); |
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343 | |
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344 | // do the webkit translate3d for better performance on iOS |
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345 | if( Galleria.WEBKIT && Galleria.TOUCH ) { |
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346 | |
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347 | revert = {}; |
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348 | form = [0,0,0]; |
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349 | |
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350 | $.each( ['left', 'top'], function(i, m) { |
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351 | if ( m in to ) { |
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352 | form[ i ] = ( Utils.parseValue( to[ m ] ) - Utils.parseValue(elem.css( m )) ) + 'px'; |
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353 | revert[ m ] = to[ m ]; |
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354 | delete to[ m ]; |
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355 | } |
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356 | }); |
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357 | |
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358 | if ( form[0] || form[1]) { |
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359 | |
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360 | elem.data('revert', revert); |
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361 | |
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362 | strings.push('-webkit-transform' + syntax); |
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363 | |
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364 | // 3d animate |
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365 | setStyle( elem, 'translate3d(' + form.join(',') + ')', 'transform'); |
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366 | } |
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367 | } |
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368 | |
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369 | // push the animation props |
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370 | $.each(to, function( p, val ) { |
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371 | strings.push(p + syntax); |
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372 | }); |
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373 | |
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374 | // set the animation styles |
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375 | setStyle( elem, strings.join(',') ); |
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376 | |
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377 | // animate |
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378 | elem.css( to ); |
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379 | |
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380 | },1 ); |
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381 | }; |
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382 | }()), |
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383 | |
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384 | removeAlpha : function( elem ) { |
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385 | if ( IE < 9 && elem ) { |
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386 | |
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387 | var style = elem.style, |
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388 | currentStyle = elem.currentStyle, |
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389 | filter = currentStyle && currentStyle.filter || style.filter || ""; |
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390 | |
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391 | if ( /alpha/.test( filter ) ) { |
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392 | style.filter = filter.replace( /alpha\([^)]*\)/i, '' ); |
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393 | } |
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394 | } |
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395 | }, |
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396 | |
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397 | forceStyles : function( elem, styles ) { |
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398 | elem = $(elem); |
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399 | if ( elem.attr( 'style' ) ) { |
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400 | elem.data( 'styles', elem.attr( 'style' ) ).removeAttr( 'style' ); |
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401 | } |
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402 | elem.css( styles ); |
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403 | }, |
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404 | |
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405 | revertStyles : function() { |
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406 | $.each( Utils.array( arguments ), function( i, elem ) { |
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407 | |
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408 | elem = $( elem ); |
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409 | elem.removeAttr( 'style' ); |
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410 | |
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411 | elem.attr('style',''); // "fixes" webkit bug |
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412 | |
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413 | if ( elem.data( 'styles' ) ) { |
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414 | elem.attr( 'style', elem.data('styles') ).data( 'styles', null ); |
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415 | } |
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416 | }); |
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417 | }, |
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418 | |
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419 | moveOut : function( elem ) { |
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420 | Utils.forceStyles( elem, { |
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421 | position: 'absolute', |
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422 | left: -10000 |
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423 | }); |
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424 | }, |
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425 | |
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426 | moveIn : function() { |
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427 | Utils.revertStyles.apply( Utils, Utils.array( arguments ) ); |
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428 | }, |
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429 | |
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430 | elem : function( elem ) { |
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431 | if (elem instanceof $) { |
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432 | return { |
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433 | $: elem, |
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434 | dom: elem[0] |
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435 | }; |
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436 | } else { |
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437 | return { |
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438 | $: $(elem), |
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439 | dom: elem |
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440 | }; |
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441 | } |
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442 | }, |
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443 | |
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444 | hide : function( elem, speed, callback ) { |
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445 | |
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446 | callback = callback || function(){}; |
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447 | |
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448 | var el = Utils.elem( elem ), |
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449 | $elem = el.$; |
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450 | |
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451 | elem = el.dom; |
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452 | |
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453 | // save the value if not exist |
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454 | if (! $elem.data('opacity') ) { |
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455 | $elem.data('opacity', $elem.css('opacity') ); |
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456 | } |
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457 | |
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458 | // always hide |
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459 | var style = { opacity: 0 }; |
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460 | |
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461 | if (speed) { |
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462 | |
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463 | var complete = IE < 9 && elem ? function() { |
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464 | Utils.removeAlpha( elem ); |
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465 | elem.style.visibility = 'hidden'; |
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466 | callback.call( elem ); |
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467 | } : callback; |
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468 | |
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469 | Utils.animate( elem, style, { |
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470 | duration: speed, |
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471 | complete: complete, |
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472 | stop: true |
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473 | }); |
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474 | } else { |
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475 | if ( IE < 9 && elem ) { |
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476 | Utils.removeAlpha( elem ); |
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477 | elem.style.visibility = 'hidden'; |
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478 | } else { |
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479 | $elem.css( style ); |
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480 | } |
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481 | } |
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482 | }, |
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483 | |
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484 | show : function( elem, speed, callback ) { |
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485 | |
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486 | callback = callback || function(){}; |
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487 | |
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488 | var el = Utils.elem( elem ), |
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489 | $elem = el.$; |
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490 | |
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491 | elem = el.dom; |
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492 | |
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493 | // bring back saved opacity |
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494 | var saved = parseFloat( $elem.data('opacity') ) || 1, |
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495 | style = { opacity: saved }; |
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496 | |
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497 | // animate or toggle |
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498 | if (speed) { |
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499 | |
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500 | if ( IE < 9 ) { |
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501 | $elem.css('opacity', 0); |
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502 | elem.style.visibility = 'visible'; |
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503 | } |
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504 | |
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505 | var complete = IE < 9 && elem ? function() { |
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506 | if ( style.opacity == 1 ) { |
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507 | Utils.removeAlpha( elem ); |
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508 | } |
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509 | callback.call( elem ); |
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510 | } : callback; |
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511 | |
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512 | Utils.animate( elem, style, { |
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513 | duration: speed, |
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514 | complete: complete, |
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515 | stop: true |
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516 | }); |
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517 | } else { |
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518 | if ( IE < 9 && style.opacity == 1 && elem ) { |
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519 | Utils.removeAlpha( elem ); |
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520 | elem.style.visibility = 'visible'; |
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521 | } else { |
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522 | $elem.css( style ); |
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523 | } |
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524 | } |
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525 | }, |
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526 | |
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527 | |
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528 | // enhanced click for mobile devices |
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529 | // we bind a touchend and hijack any click event in the bubble |
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530 | // then we execute the click directly and save it in a separate data object for later |
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531 | optimizeTouch: (function() { |
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532 | |
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533 | var node, |
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534 | evs, |
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535 | fakes, |
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536 | travel, |
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537 | evt = {}, |
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538 | handler = function( e ) { |
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539 | e.preventDefault(); |
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540 | evt = $.extend({}, e, true); |
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541 | }, |
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542 | attach = function() { |
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543 | this.evt = evt; |
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544 | }, |
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545 | fake = function() { |
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546 | this.handler.call(node, this.evt); |
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547 | }; |
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548 | |
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549 | return function( elem ) { |
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550 | |
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551 | $(elem).bind('touchend', function( e ) { |
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552 | |
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553 | node = e.target; |
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554 | travel = true; |
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555 | |
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556 | while( node.parentNode && node != e.currentTarget && travel ) { |
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557 | |
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558 | evs = $(node).data('events'); |
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559 | fakes = $(node).data('fakes'); |
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560 | |
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561 | if (evs && 'click' in evs) { |
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562 | |
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563 | travel = false; |
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564 | e.preventDefault(); |
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565 | |
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566 | // fake the click and save the event object |
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567 | $(node).click(handler).click(); |
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568 | |
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569 | // remove the faked click |
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570 | evs.click.pop(); |
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571 | |
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572 | // attach the faked event |
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573 | $.each( evs.click, attach); |
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574 | |
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575 | // save the faked clicks in a new data object |
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576 | $(node).data('fakes', evs.click); |
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577 | |
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578 | // remove all clicks |
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579 | delete evs.click; |
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580 | |
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581 | } else if ( fakes ) { |
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582 | |
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583 | travel = false; |
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584 | e.preventDefault(); |
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585 | |
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586 | // fake all clicks |
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587 | $.each( fakes, fake ); |
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588 | } |
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589 | |
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590 | // bubble |
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591 | node = node.parentNode; |
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592 | } |
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593 | }); |
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594 | }; |
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595 | }()), |
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596 | |
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597 | addTimer : function() { |
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598 | _timeouts.add.apply( _timeouts, Utils.array( arguments ) ); |
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599 | return this; |
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600 | }, |
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601 | |
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602 | clearTimer : function() { |
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603 | _timeouts.clear.apply( _timeouts, Utils.array( arguments ) ); |
---|
604 | return this; |
---|
605 | }, |
---|
606 | |
---|
607 | wait : function(options) { |
---|
608 | options = $.extend({ |
---|
609 | until : function() { return false; }, |
---|
610 | success : function() {}, |
---|
611 | error : function() { Galleria.raise('Could not complete wait function.'); }, |
---|
612 | timeout: 3000 |
---|
613 | }, options); |
---|
614 | |
---|
615 | var start = Utils.timestamp(), |
---|
616 | elapsed, |
---|
617 | now, |
---|
618 | fn = function() { |
---|
619 | now = Utils.timestamp(); |
---|
620 | elapsed = now - start; |
---|
621 | if ( options.until( elapsed ) ) { |
---|
622 | options.success(); |
---|
623 | return false; |
---|
624 | } |
---|
625 | |
---|
626 | if (now >= start + options.timeout) { |
---|
627 | options.error(); |
---|
628 | return false; |
---|
629 | } |
---|
630 | window.setTimeout(fn, 10); |
---|
631 | }; |
---|
632 | |
---|
633 | window.setTimeout(fn, 10); |
---|
634 | }, |
---|
635 | |
---|
636 | toggleQuality : function( img, force ) { |
---|
637 | |
---|
638 | if ( ( IE !== 7 && IE !== 8 ) || !img ) { |
---|
639 | return; |
---|
640 | } |
---|
641 | |
---|
642 | if ( typeof force === 'undefined' ) { |
---|
643 | force = img.style.msInterpolationMode === 'nearest-neighbor'; |
---|
644 | } |
---|
645 | |
---|
646 | img.style.msInterpolationMode = force ? 'bicubic' : 'nearest-neighbor'; |
---|
647 | }, |
---|
648 | |
---|
649 | insertStyleTag : function( styles ) { |
---|
650 | var style = doc.createElement( 'style' ); |
---|
651 | DOM().head.appendChild( style ); |
---|
652 | |
---|
653 | if ( style.styleSheet ) { // IE |
---|
654 | style.styleSheet.cssText = styles; |
---|
655 | } else { |
---|
656 | var cssText = doc.createTextNode( styles ); |
---|
657 | style.appendChild( cssText ); |
---|
658 | } |
---|
659 | }, |
---|
660 | |
---|
661 | // a loadscript method that works for local scripts |
---|
662 | loadScript: function( url, callback ) { |
---|
663 | |
---|
664 | var done = false, |
---|
665 | script = $('<scr'+'ipt>').attr({ |
---|
666 | src: url, |
---|
667 | async: true |
---|
668 | }).get(0); |
---|
669 | |
---|
670 | // Attach handlers for all browsers |
---|
671 | script.onload = script.onreadystatechange = function() { |
---|
672 | if ( !done && (!this.readyState || |
---|
673 | this.readyState === 'loaded' || this.readyState === 'complete') ) { |
---|
674 | |
---|
675 | done = true; |
---|
676 | |
---|
677 | // Handle memory leak in IE |
---|
678 | script.onload = script.onreadystatechange = null; |
---|
679 | |
---|
680 | if (typeof callback === 'function') { |
---|
681 | callback.call( this, this ); |
---|
682 | } |
---|
683 | } |
---|
684 | }; |
---|
685 | |
---|
686 | DOM().head.appendChild( script ); |
---|
687 | }, |
---|
688 | |
---|
689 | // parse anything into a number |
---|
690 | parseValue: function( val ) { |
---|
691 | if (typeof val === 'number') { |
---|
692 | return val; |
---|
693 | } else if (typeof val === 'string') { |
---|
694 | var arr = val.match(/\-?\d|\./g); |
---|
695 | return arr && arr.constructor === Array ? arr.join('')*1 : 0; |
---|
696 | } else { |
---|
697 | return 0; |
---|
698 | } |
---|
699 | }, |
---|
700 | |
---|
701 | // timestamp abstraction |
---|
702 | timestamp: function() { |
---|
703 | return new Date().getTime(); |
---|
704 | }, |
---|
705 | |
---|
706 | // this is pretty crap, but works for now |
---|
707 | // it will add a callback, but it can't guarantee that the styles can be fetched |
---|
708 | // using getComputedStyle further checking needed, possibly a dummy element |
---|
709 | loadCSS : function( href, id, callback ) { |
---|
710 | |
---|
711 | var link, |
---|
712 | ready = false, |
---|
713 | length; |
---|
714 | |
---|
715 | // look for manual css |
---|
716 | $('link[rel=stylesheet]').each(function() { |
---|
717 | if ( new RegExp( href ).test( this.href ) ) { |
---|
718 | link = this; |
---|
719 | return false; |
---|
720 | } |
---|
721 | }); |
---|
722 | |
---|
723 | if ( typeof id === 'function' ) { |
---|
724 | callback = id; |
---|
725 | id = undef; |
---|
726 | } |
---|
727 | |
---|
728 | callback = callback || function() {}; // dirty |
---|
729 | |
---|
730 | // if already present, return |
---|
731 | if ( link ) { |
---|
732 | callback.call( link, link ); |
---|
733 | return link; |
---|
734 | } |
---|
735 | |
---|
736 | // save the length of stylesheets to check against |
---|
737 | length = doc.styleSheets.length; |
---|
738 | |
---|
739 | // check for existing id |
---|
740 | if( $('#'+id).length ) { |
---|
741 | $('#'+id).attr('href', href); |
---|
742 | length--; |
---|
743 | ready = true; |
---|
744 | } else { |
---|
745 | link = $( '<link>' ).attr({ |
---|
746 | rel: 'stylesheet', |
---|
747 | href: href, |
---|
748 | id: id |
---|
749 | }).get(0); |
---|
750 | |
---|
751 | window.setTimeout(function() { |
---|
752 | var styles = $('link[rel="stylesheet"], style'); |
---|
753 | if ( styles.length ) { |
---|
754 | styles.get(0).parentNode.insertBefore( link, styles[0] ); |
---|
755 | } else { |
---|
756 | DOM().head.appendChild( link ); |
---|
757 | } |
---|
758 | |
---|
759 | if ( IE ) { |
---|
760 | |
---|
761 | // IE has a limit of 31 stylesheets in one document |
---|
762 | if( length >= 31 ) { |
---|
763 | Galleria.raise( 'You have reached the browser stylesheet limit (31)', true ); |
---|
764 | return; |
---|
765 | } |
---|
766 | |
---|
767 | // todo: test if IE really needs the readyState |
---|
768 | link.onreadystatechange = function(e) { |
---|
769 | if ( !ready && (!this.readyState || |
---|
770 | this.readyState === 'loaded' || this.readyState === 'complete') ) { |
---|
771 | ready = true; |
---|
772 | } |
---|
773 | }; |
---|
774 | } else { |
---|
775 | // final test via ajax if not local |
---|
776 | if ( !( new RegExp('file://','i').test( href ) ) ) { |
---|
777 | $.ajax({ |
---|
778 | url: href, |
---|
779 | success: function() { |
---|
780 | ready = true; |
---|
781 | }, |
---|
782 | error: function(e) { |
---|
783 | // pass if origin is rejected in chrome for some reason |
---|
784 | if( e.isRejected() && Galleria.WEBKIT ) { |
---|
785 | ready = true; |
---|
786 | } |
---|
787 | } |
---|
788 | }); |
---|
789 | } else { |
---|
790 | ready = true; |
---|
791 | } |
---|
792 | } |
---|
793 | }, 10); |
---|
794 | } |
---|
795 | |
---|
796 | if ( typeof callback === 'function' ) { |
---|
797 | |
---|
798 | Utils.wait({ |
---|
799 | until: function() { |
---|
800 | return ready && doc.styleSheets.length > length; |
---|
801 | }, |
---|
802 | success: function() { |
---|
803 | window.setTimeout( function() { |
---|
804 | callback.call( link, link ); |
---|
805 | }, 100); |
---|
806 | }, |
---|
807 | error: function() { |
---|
808 | Galleria.raise( 'Theme CSS could not load', true ); |
---|
809 | }, |
---|
810 | timeout: 10000 |
---|
811 | }); |
---|
812 | } |
---|
813 | return link; |
---|
814 | } |
---|
815 | }; |
---|
816 | }()), |
---|
817 | |
---|
818 | // the transitions holder |
---|
819 | _transitions = (function() { |
---|
820 | |
---|
821 | var _slide = function(params, complete, fade, door) { |
---|
822 | |
---|
823 | var easing = this.getOptions('easing'), |
---|
824 | distance = this.getStageWidth(), |
---|
825 | from = { left: distance * ( params.rewind ? -1 : 1 ) }, |
---|
826 | to = { left: 0 }; |
---|
827 | |
---|
828 | if ( fade ) { |
---|
829 | from.opacity = 0; |
---|
830 | to.opacity = 1; |
---|
831 | } else { |
---|
832 | from.opacity = 1; |
---|
833 | } |
---|
834 | |
---|
835 | $(params.next).css(from); |
---|
836 | |
---|
837 | Utils.animate(params.next, to, { |
---|
838 | duration: params.speed, |
---|
839 | complete: (function( elems ) { |
---|
840 | return function() { |
---|
841 | complete(); |
---|
842 | elems.css({ |
---|
843 | left: 0 |
---|
844 | }); |
---|
845 | }; |
---|
846 | }( $( params.next ).add( params.prev ) )), |
---|
847 | queue: false, |
---|
848 | easing: easing |
---|
849 | }); |
---|
850 | |
---|
851 | if (door) { |
---|
852 | params.rewind = !params.rewind; |
---|
853 | } |
---|
854 | |
---|
855 | if (params.prev) { |
---|
856 | |
---|
857 | from = { left: 0 }; |
---|
858 | to = { left: distance * ( params.rewind ? 1 : -1 ) }; |
---|
859 | |
---|
860 | if ( fade ) { |
---|
861 | from.opacity = 1; |
---|
862 | to.opacity = 0; |
---|
863 | } |
---|
864 | |
---|
865 | $(params.prev).css(from); |
---|
866 | Utils.animate(params.prev, to, { |
---|
867 | duration: params.speed, |
---|
868 | queue: false, |
---|
869 | easing: easing, |
---|
870 | complete: function() { |
---|
871 | $(this).css('opacity', 0); |
---|
872 | } |
---|
873 | }); |
---|
874 | } |
---|
875 | }; |
---|
876 | |
---|
877 | return { |
---|
878 | |
---|
879 | fade: function(params, complete) { |
---|
880 | $(params.next).css({ |
---|
881 | opacity: 0, |
---|
882 | left: 0 |
---|
883 | }).show(); |
---|
884 | Utils.animate(params.next, { |
---|
885 | opacity: 1 |
---|
886 | },{ |
---|
887 | duration: params.speed, |
---|
888 | complete: complete |
---|
889 | }); |
---|
890 | if (params.prev) { |
---|
891 | $(params.prev).css('opacity',1).show(); |
---|
892 | Utils.animate(params.prev, { |
---|
893 | opacity: 0 |
---|
894 | },{ |
---|
895 | duration: params.speed |
---|
896 | }); |
---|
897 | } |
---|
898 | }, |
---|
899 | |
---|
900 | flash: function(params, complete) { |
---|
901 | $(params.next).css({ |
---|
902 | opacity: 0, |
---|
903 | left: 0 |
---|
904 | }); |
---|
905 | if (params.prev) { |
---|
906 | Utils.animate( params.prev, { |
---|
907 | opacity: 0 |
---|
908 | },{ |
---|
909 | duration: params.speed/2, |
---|
910 | complete: function() { |
---|
911 | Utils.animate( params.next, { |
---|
912 | opacity:1 |
---|
913 | },{ |
---|
914 | duration: params.speed, |
---|
915 | complete: complete |
---|
916 | }); |
---|
917 | } |
---|
918 | }); |
---|
919 | } else { |
---|
920 | Utils.animate( params.next, { |
---|
921 | opacity: 1 |
---|
922 | },{ |
---|
923 | duration: params.speed, |
---|
924 | complete: complete |
---|
925 | }); |
---|
926 | } |
---|
927 | }, |
---|
928 | |
---|
929 | pulse: function(params, complete) { |
---|
930 | if (params.prev) { |
---|
931 | $(params.prev).hide(); |
---|
932 | } |
---|
933 | $(params.next).css({ |
---|
934 | opacity: 0, |
---|
935 | left: 0 |
---|
936 | }).show(); |
---|
937 | Utils.animate(params.next, { |
---|
938 | opacity:1 |
---|
939 | },{ |
---|
940 | duration: params.speed, |
---|
941 | complete: complete |
---|
942 | }); |
---|
943 | }, |
---|
944 | |
---|
945 | slide: function(params, complete) { |
---|
946 | _slide.apply( this, Utils.array( arguments ) ); |
---|
947 | }, |
---|
948 | |
---|
949 | fadeslide: function(params, complete) { |
---|
950 | _slide.apply( this, Utils.array( arguments ).concat( [true] ) ); |
---|
951 | }, |
---|
952 | |
---|
953 | doorslide: function(params, complete) { |
---|
954 | _slide.apply( this, Utils.array( arguments ).concat( [false, true] ) ); |
---|
955 | } |
---|
956 | }; |
---|
957 | }()); |
---|
958 | |
---|
959 | /** |
---|
960 | The main Galleria class |
---|
961 | |
---|
962 | @class |
---|
963 | @constructor |
---|
964 | |
---|
965 | @example var gallery = new Galleria(); |
---|
966 | |
---|
967 | @author http://aino.se |
---|
968 | |
---|
969 | @requires jQuery |
---|
970 | |
---|
971 | */ |
---|
972 | |
---|
973 | Galleria = function() { |
---|
974 | |
---|
975 | var self = this; |
---|
976 | |
---|
977 | // the theme used |
---|
978 | this._theme = undef; |
---|
979 | |
---|
980 | // internal options |
---|
981 | this._options = {}; |
---|
982 | |
---|
983 | // flag for controlling play/pause |
---|
984 | this._playing = false; |
---|
985 | |
---|
986 | // internal interval for slideshow |
---|
987 | this._playtime = 5000; |
---|
988 | |
---|
989 | // internal variable for the currently active image |
---|
990 | this._active = null; |
---|
991 | |
---|
992 | // the internal queue, arrayified |
---|
993 | this._queue = { length: 0 }; |
---|
994 | |
---|
995 | // the internal data array |
---|
996 | this._data = []; |
---|
997 | |
---|
998 | // the internal dom collection |
---|
999 | this._dom = {}; |
---|
1000 | |
---|
1001 | // the internal thumbnails array |
---|
1002 | this._thumbnails = []; |
---|
1003 | |
---|
1004 | // the internal layers array |
---|
1005 | this._layers = []; |
---|
1006 | |
---|
1007 | // internal init flag |
---|
1008 | this._initialized = false; |
---|
1009 | |
---|
1010 | // internal firstrun flag |
---|
1011 | this._firstrun = false; |
---|
1012 | |
---|
1013 | // global stagewidth/height |
---|
1014 | this._stageWidth = 0; |
---|
1015 | this._stageHeight = 0; |
---|
1016 | |
---|
1017 | // target holder |
---|
1018 | this._target = undef; |
---|
1019 | |
---|
1020 | // instance id |
---|
1021 | this._id = Math.random(); |
---|
1022 | |
---|
1023 | // add some elements |
---|
1024 | var divs = 'container stage images image-nav image-nav-left image-nav-right ' + |
---|
1025 | 'info info-text info-title info-description ' + |
---|
1026 | 'thumbnails thumbnails-list thumbnails-container thumb-nav-left thumb-nav-right ' + |
---|
1027 | 'loader counter tooltip', |
---|
1028 | spans = 'current total'; |
---|
1029 | |
---|
1030 | $.each( divs.split(' '), function( i, elemId ) { |
---|
1031 | self._dom[ elemId ] = Utils.create( 'galleria-' + elemId ); |
---|
1032 | }); |
---|
1033 | |
---|
1034 | $.each( spans.split(' '), function( i, elemId ) { |
---|
1035 | self._dom[ elemId ] = Utils.create( 'galleria-' + elemId, 'span' ); |
---|
1036 | }); |
---|
1037 | |
---|
1038 | // the internal keyboard object |
---|
1039 | // keeps reference of the keybinds and provides helper methods for binding keys |
---|
1040 | var keyboard = this._keyboard = { |
---|
1041 | |
---|
1042 | keys : { |
---|
1043 | 'UP': 38, |
---|
1044 | 'DOWN': 40, |
---|
1045 | 'LEFT': 37, |
---|
1046 | 'RIGHT': 39, |
---|
1047 | 'RETURN': 13, |
---|
1048 | 'ESCAPE': 27, |
---|
1049 | 'BACKSPACE': 8, |
---|
1050 | 'SPACE': 32 |
---|
1051 | }, |
---|
1052 | |
---|
1053 | map : {}, |
---|
1054 | |
---|
1055 | bound: false, |
---|
1056 | |
---|
1057 | press: function(e) { |
---|
1058 | var key = e.keyCode || e.which; |
---|
1059 | if ( key in keyboard.map && typeof keyboard.map[key] === 'function' ) { |
---|
1060 | keyboard.map[key].call(self, e); |
---|
1061 | } |
---|
1062 | }, |
---|
1063 | |
---|
1064 | attach: function(map) { |
---|
1065 | |
---|
1066 | var key, up; |
---|
1067 | |
---|
1068 | for( key in map ) { |
---|
1069 | if ( map.hasOwnProperty( key ) ) { |
---|
1070 | up = key.toUpperCase(); |
---|
1071 | if ( up in keyboard.keys ) { |
---|
1072 | keyboard.map[ keyboard.keys[up] ] = map[key]; |
---|
1073 | } else { |
---|
1074 | keyboard.map[ up ] = map[key]; |
---|
1075 | } |
---|
1076 | } |
---|
1077 | } |
---|
1078 | if ( !keyboard.bound ) { |
---|
1079 | keyboard.bound = true; |
---|
1080 | $doc.bind('keydown', keyboard.press); |
---|
1081 | } |
---|
1082 | }, |
---|
1083 | |
---|
1084 | detach: function() { |
---|
1085 | keyboard.bound = false; |
---|
1086 | keyboard.map = {}; |
---|
1087 | $doc.unbind('keydown', keyboard.press); |
---|
1088 | } |
---|
1089 | }; |
---|
1090 | |
---|
1091 | // internal controls for keeping track of active / inactive images |
---|
1092 | var controls = this._controls = { |
---|
1093 | |
---|
1094 | 0: undef, |
---|
1095 | |
---|
1096 | 1: undef, |
---|
1097 | |
---|
1098 | active : 0, |
---|
1099 | |
---|
1100 | swap : function() { |
---|
1101 | controls.active = controls.active ? 0 : 1; |
---|
1102 | }, |
---|
1103 | |
---|
1104 | getActive : function() { |
---|
1105 | return controls[ controls.active ]; |
---|
1106 | }, |
---|
1107 | |
---|
1108 | getNext : function() { |
---|
1109 | return controls[ 1 - controls.active ]; |
---|
1110 | } |
---|
1111 | }; |
---|
1112 | |
---|
1113 | // internal carousel object |
---|
1114 | var carousel = this._carousel = { |
---|
1115 | |
---|
1116 | // shortcuts |
---|
1117 | next: self.$('thumb-nav-right'), |
---|
1118 | prev: self.$('thumb-nav-left'), |
---|
1119 | |
---|
1120 | // cache the width |
---|
1121 | width: 0, |
---|
1122 | |
---|
1123 | // track the current position |
---|
1124 | current: 0, |
---|
1125 | |
---|
1126 | // cache max value |
---|
1127 | max: 0, |
---|
1128 | |
---|
1129 | // save all hooks for each width in an array |
---|
1130 | hooks: [], |
---|
1131 | |
---|
1132 | // update the carousel |
---|
1133 | // you can run this method anytime, f.ex on window.resize |
---|
1134 | update: function() { |
---|
1135 | var w = 0, |
---|
1136 | h = 0, |
---|
1137 | hooks = [0]; |
---|
1138 | |
---|
1139 | $.each( self._thumbnails, function( i, thumb ) { |
---|
1140 | if ( thumb.ready ) { |
---|
1141 | w += thumb.outerWidth || $( thumb.container ).outerWidth( true ); |
---|
1142 | hooks[ i+1 ] = w; |
---|
1143 | h = Math.max( h, thumb.outerHeight || $( thumb.container).outerHeight( true ) ); |
---|
1144 | } |
---|
1145 | }); |
---|
1146 | |
---|
1147 | self.$( 'thumbnails' ).css({ |
---|
1148 | width: w, |
---|
1149 | height: h |
---|
1150 | }); |
---|
1151 | |
---|
1152 | carousel.max = w; |
---|
1153 | carousel.hooks = hooks; |
---|
1154 | carousel.width = self.$( 'thumbnails-list' ).width(); |
---|
1155 | carousel.setClasses(); |
---|
1156 | |
---|
1157 | self.$( 'thumbnails-container' ).toggleClass( 'galleria-carousel', w > carousel.width ); |
---|
1158 | |
---|
1159 | // one extra calculation |
---|
1160 | carousel.width = self.$( 'thumbnails-list' ).width(); |
---|
1161 | |
---|
1162 | // todo: fix so the carousel moves to the left |
---|
1163 | }, |
---|
1164 | |
---|
1165 | bindControls: function() { |
---|
1166 | |
---|
1167 | var i; |
---|
1168 | |
---|
1169 | carousel.next.bind( 'click', function(e) { |
---|
1170 | e.preventDefault(); |
---|
1171 | |
---|
1172 | if ( self._options.carouselSteps === 'auto' ) { |
---|
1173 | |
---|
1174 | for ( i = carousel.current; i < carousel.hooks.length; i++ ) { |
---|
1175 | if ( carousel.hooks[i] - carousel.hooks[ carousel.current ] > carousel.width ) { |
---|
1176 | carousel.set(i - 2); |
---|
1177 | break; |
---|
1178 | } |
---|
1179 | } |
---|
1180 | |
---|
1181 | } else { |
---|
1182 | carousel.set( carousel.current + self._options.carouselSteps); |
---|
1183 | } |
---|
1184 | }); |
---|
1185 | |
---|
1186 | carousel.prev.bind( 'click', function(e) { |
---|
1187 | e.preventDefault(); |
---|
1188 | |
---|
1189 | if ( self._options.carouselSteps === 'auto' ) { |
---|
1190 | |
---|
1191 | for ( i = carousel.current; i >= 0; i-- ) { |
---|
1192 | if ( carousel.hooks[ carousel.current ] - carousel.hooks[i] > carousel.width ) { |
---|
1193 | carousel.set( i + 2 ); |
---|
1194 | break; |
---|
1195 | } else if ( i === 0 ) { |
---|
1196 | carousel.set( 0 ); |
---|
1197 | break; |
---|
1198 | } |
---|
1199 | } |
---|
1200 | } else { |
---|
1201 | carousel.set( carousel.current - self._options.carouselSteps ); |
---|
1202 | } |
---|
1203 | }); |
---|
1204 | }, |
---|
1205 | |
---|
1206 | // calculate and set positions |
---|
1207 | set: function( i ) { |
---|
1208 | i = Math.max( i, 0 ); |
---|
1209 | while ( carousel.hooks[i - 1] + carousel.width >= carousel.max && i >= 0 ) { |
---|
1210 | i--; |
---|
1211 | } |
---|
1212 | carousel.current = i; |
---|
1213 | carousel.animate(); |
---|
1214 | }, |
---|
1215 | |
---|
1216 | // get the last position |
---|
1217 | getLast: function(i) { |
---|
1218 | return ( i || carousel.current ) - 1; |
---|
1219 | }, |
---|
1220 | |
---|
1221 | // follow the active image |
---|
1222 | follow: function(i) { |
---|
1223 | |
---|
1224 | //don't follow if position fits |
---|
1225 | if ( i === 0 || i === carousel.hooks.length - 2 ) { |
---|
1226 | carousel.set( i ); |
---|
1227 | return; |
---|
1228 | } |
---|
1229 | |
---|
1230 | // calculate last position |
---|
1231 | var last = carousel.current; |
---|
1232 | while( carousel.hooks[last] - carousel.hooks[ carousel.current ] < |
---|
1233 | carousel.width && last <= carousel.hooks.length ) { |
---|
1234 | last ++; |
---|
1235 | } |
---|
1236 | |
---|
1237 | // set position |
---|
1238 | if ( i - 1 < carousel.current ) { |
---|
1239 | carousel.set( i - 1 ); |
---|
1240 | } else if ( i + 2 > last) { |
---|
1241 | carousel.set( i - last + carousel.current + 2 ); |
---|
1242 | } |
---|
1243 | }, |
---|
1244 | |
---|
1245 | // helper for setting disabled classes |
---|
1246 | setClasses: function() { |
---|
1247 | carousel.prev.toggleClass( 'disabled', !carousel.current ); |
---|
1248 | carousel.next.toggleClass( 'disabled', carousel.hooks[ carousel.current ] + carousel.width >= carousel.max ); |
---|
1249 | }, |
---|
1250 | |
---|
1251 | // the animation method |
---|
1252 | animate: function(to) { |
---|
1253 | carousel.setClasses(); |
---|
1254 | var num = carousel.hooks[ carousel.current ] * -1; |
---|
1255 | |
---|
1256 | if ( isNaN( num ) ) { |
---|
1257 | return; |
---|
1258 | } |
---|
1259 | |
---|
1260 | Utils.animate(self.get( 'thumbnails' ), { |
---|
1261 | left: num |
---|
1262 | },{ |
---|
1263 | duration: self._options.carouselSpeed, |
---|
1264 | easing: self._options.easing, |
---|
1265 | queue: false |
---|
1266 | }); |
---|
1267 | } |
---|
1268 | }; |
---|
1269 | |
---|
1270 | // tooltip control |
---|
1271 | // added in 1.2 |
---|
1272 | var tooltip = this._tooltip = { |
---|
1273 | |
---|
1274 | initialized : false, |
---|
1275 | |
---|
1276 | open: false, |
---|
1277 | |
---|
1278 | init: function() { |
---|
1279 | |
---|
1280 | tooltip.initialized = true; |
---|
1281 | |
---|
1282 | var css = '.galleria-tooltip{padding:3px 8px;max-width:50%;background:#ffe;color:#000;z-index:3;position:absolute;font-size:11px;line-height:1.3' + |
---|
1283 | 'opacity:0;box-shadow:0 0 2px rgba(0,0,0,.4);-moz-box-shadow:0 0 2px rgba(0,0,0,.4);-webkit-box-shadow:0 0 2px rgba(0,0,0,.4);}'; |
---|
1284 | |
---|
1285 | Utils.insertStyleTag(css); |
---|
1286 | |
---|
1287 | self.$( 'tooltip' ).css('opacity', 0.8); |
---|
1288 | Utils.hide( self.get('tooltip') ); |
---|
1289 | |
---|
1290 | }, |
---|
1291 | |
---|
1292 | // move handler |
---|
1293 | move: function( e ) { |
---|
1294 | var mouseX = self.getMousePosition(e).x, |
---|
1295 | mouseY = self.getMousePosition(e).y, |
---|
1296 | $elem = self.$( 'tooltip' ), |
---|
1297 | x = mouseX, |
---|
1298 | y = mouseY, |
---|
1299 | height = $elem.outerHeight( true ) + 1, |
---|
1300 | width = $elem.outerWidth( true ), |
---|
1301 | limitY = height + 15; |
---|
1302 | |
---|
1303 | var maxX = self.$( 'container').width() - width - 2, |
---|
1304 | maxY = self.$( 'container').height() - height - 2; |
---|
1305 | |
---|
1306 | if ( !isNaN(x) && !isNaN(y) ) { |
---|
1307 | |
---|
1308 | x += 10; |
---|
1309 | y -= 30; |
---|
1310 | |
---|
1311 | x = Math.max( 0, Math.min( maxX, x ) ); |
---|
1312 | y = Math.max( 0, Math.min( maxY, y ) ); |
---|
1313 | |
---|
1314 | if( mouseY < limitY ) { |
---|
1315 | y = limitY; |
---|
1316 | } |
---|
1317 | |
---|
1318 | $elem.css({ left: x, top: y }); |
---|
1319 | } |
---|
1320 | }, |
---|
1321 | |
---|
1322 | // bind elements to the tooltip |
---|
1323 | // you can bind multiple elementIDs using { elemID : function } or { elemID : string } |
---|
1324 | // you can also bind single DOM elements using bind(elem, string) |
---|
1325 | bind: function( elem, value ) { |
---|
1326 | |
---|
1327 | // todo: revise if alternative tooltip is needed for mobile devices |
---|
1328 | if (Galleria.TOUCH) { |
---|
1329 | return; |
---|
1330 | } |
---|
1331 | |
---|
1332 | if (! tooltip.initialized ) { |
---|
1333 | tooltip.init(); |
---|
1334 | } |
---|
1335 | |
---|
1336 | var hover = function( elem, value) { |
---|
1337 | |
---|
1338 | tooltip.define( elem, value ); |
---|
1339 | |
---|
1340 | $( elem ).hover(function() { |
---|
1341 | |
---|
1342 | Utils.clearTimer('switch_tooltip'); |
---|
1343 | self.$('container').unbind( 'mousemove', tooltip.move ).bind( 'mousemove', tooltip.move ).trigger( 'mousemove' ); |
---|
1344 | tooltip.show( elem ); |
---|
1345 | |
---|
1346 | Galleria.utils.addTimer( 'tooltip', function() { |
---|
1347 | self.$( 'tooltip' ).stop().show().animate({ |
---|
1348 | opacity:1 |
---|
1349 | }); |
---|
1350 | tooltip.open = true; |
---|
1351 | |
---|
1352 | }, tooltip.open ? 0 : 500); |
---|
1353 | |
---|
1354 | }, function() { |
---|
1355 | |
---|
1356 | self.$( 'container' ).unbind( 'mousemove', tooltip.move ); |
---|
1357 | Utils.clearTimer( 'tooltip' ); |
---|
1358 | |
---|
1359 | self.$( 'tooltip' ).stop().animate({ |
---|
1360 | opacity: 0 |
---|
1361 | }, 200, function() { |
---|
1362 | |
---|
1363 | self.$( 'tooltip' ).hide(); |
---|
1364 | |
---|
1365 | Utils.addTimer('switch_tooltip', function() { |
---|
1366 | tooltip.open = false; |
---|
1367 | }, 1000); |
---|
1368 | }); |
---|
1369 | }); |
---|
1370 | }; |
---|
1371 | |
---|
1372 | if ( typeof value === 'string' ) { |
---|
1373 | hover( ( elem in self._dom ? self.get( elem ) : elem ), value ); |
---|
1374 | } else { |
---|
1375 | // asume elemID here |
---|
1376 | $.each( elem, function( elemID, val ) { |
---|
1377 | hover( self.get(elemID), val ); |
---|
1378 | }); |
---|
1379 | } |
---|
1380 | }, |
---|
1381 | |
---|
1382 | show: function( elem ) { |
---|
1383 | |
---|
1384 | elem = $( elem in self._dom ? self.get(elem) : elem ); |
---|
1385 | |
---|
1386 | var text = elem.data( 'tt' ), |
---|
1387 | mouseup = function( e ) { |
---|
1388 | |
---|
1389 | // attach a tiny settimeout to make sure the new tooltip is filled |
---|
1390 | window.setTimeout( (function( ev ) { |
---|
1391 | return function() { |
---|
1392 | tooltip.move( ev ); |
---|
1393 | }; |
---|
1394 | }( e )), 10); |
---|
1395 | |
---|
1396 | elem.unbind( 'mouseup', mouseup ); |
---|
1397 | |
---|
1398 | }; |
---|
1399 | |
---|
1400 | text = typeof text === 'function' ? text() : text; |
---|
1401 | |
---|
1402 | if ( ! text ) { |
---|
1403 | return; |
---|
1404 | } |
---|
1405 | |
---|
1406 | self.$( 'tooltip' ).html( text.replace(/\s/, ' ') ); |
---|
1407 | |
---|
1408 | // trigger mousemove on mouseup in case of click |
---|
1409 | elem.bind( 'mouseup', mouseup ); |
---|
1410 | }, |
---|
1411 | |
---|
1412 | define: function( elem, value ) { |
---|
1413 | |
---|
1414 | // we store functions, not strings |
---|
1415 | if (typeof value !== 'function') { |
---|
1416 | var s = value; |
---|
1417 | value = function() { |
---|
1418 | return s; |
---|
1419 | }; |
---|
1420 | } |
---|
1421 | |
---|
1422 | elem = $( elem in self._dom ? self.get(elem) : elem ).data('tt', value); |
---|
1423 | |
---|
1424 | tooltip.show( elem ); |
---|
1425 | |
---|
1426 | } |
---|
1427 | }; |
---|
1428 | |
---|
1429 | // internal fullscreen control |
---|
1430 | var fullscreen = this._fullscreen = { |
---|
1431 | |
---|
1432 | scrolled: 0, |
---|
1433 | |
---|
1434 | crop: undef, |
---|
1435 | |
---|
1436 | transition: undef, |
---|
1437 | |
---|
1438 | active: false, |
---|
1439 | |
---|
1440 | keymap: self._keyboard.map, |
---|
1441 | |
---|
1442 | enter: function(callback) { |
---|
1443 | |
---|
1444 | fullscreen.active = true; |
---|
1445 | |
---|
1446 | // hide the image until rescale is complete |
---|
1447 | Utils.hide( self.getActiveImage() ); |
---|
1448 | |
---|
1449 | self.$( 'container' ).addClass( 'fullscreen' ); |
---|
1450 | |
---|
1451 | fullscreen.scrolled = $win.scrollTop(); |
---|
1452 | |
---|
1453 | // begin styleforce |
---|
1454 | Utils.forceStyles(self.get('container'), { |
---|
1455 | position: 'fixed', |
---|
1456 | top: 0, |
---|
1457 | left: 0, |
---|
1458 | width: '100%', |
---|
1459 | height: '100%', |
---|
1460 | zIndex: 10000 |
---|
1461 | }); |
---|
1462 | |
---|
1463 | var htmlbody = { |
---|
1464 | height: '100%', |
---|
1465 | overflow: 'hidden', |
---|
1466 | margin:0, |
---|
1467 | padding:0 |
---|
1468 | }, |
---|
1469 | |
---|
1470 | data = self.getData(), |
---|
1471 | |
---|
1472 | options = self._options; |
---|
1473 | |
---|
1474 | Utils.forceStyles( DOM().html, htmlbody ); |
---|
1475 | Utils.forceStyles( DOM().body, htmlbody ); |
---|
1476 | |
---|
1477 | // temporarily attach some keys |
---|
1478 | // save the old ones first in a cloned object |
---|
1479 | fullscreen.keymap = $.extend({}, self._keyboard.map); |
---|
1480 | |
---|
1481 | self.attachKeyboard({ |
---|
1482 | escape: self.exitFullscreen, |
---|
1483 | right: self.next, |
---|
1484 | left: self.prev |
---|
1485 | }); |
---|
1486 | |
---|
1487 | // temporarily save the crop |
---|
1488 | fullscreen.crop = options.imageCrop; |
---|
1489 | |
---|
1490 | // set fullscreen options |
---|
1491 | if ( options.fullscreenCrop != undef ) { |
---|
1492 | options.imageCrop = options.fullscreenCrop; |
---|
1493 | } |
---|
1494 | |
---|
1495 | // swap to big image if it's different from the display image |
---|
1496 | if ( data && data.big && data.image !== data.big ) { |
---|
1497 | var big = new Galleria.Picture(), |
---|
1498 | cached = big.isCached( data.big ), |
---|
1499 | index = self.getIndex(), |
---|
1500 | thumb = self._thumbnails[ index ]; |
---|
1501 | |
---|
1502 | self.trigger( { |
---|
1503 | type: Galleria.LOADSTART, |
---|
1504 | cached: cached, |
---|
1505 | rewind: false, |
---|
1506 | index: index, |
---|
1507 | imageTarget: self.getActiveImage(), |
---|
1508 | thumbTarget: thumb |
---|
1509 | }); |
---|
1510 | |
---|
1511 | big.load( data.big, function( big ) { |
---|
1512 | self._scaleImage( big, { |
---|
1513 | complete: function( big ) { |
---|
1514 | self.trigger({ |
---|
1515 | type: Galleria.LOADFINISH, |
---|
1516 | cached: cached, |
---|
1517 | index: index, |
---|
1518 | rewind: false, |
---|
1519 | imageTarget: big.image, |
---|
1520 | thumbTarget: thumb |
---|
1521 | }); |
---|
1522 | var image = self._controls.getActive().image; |
---|
1523 | if ( image ) { |
---|
1524 | $( image ).width( big.image.width ).height( big.image.height ) |
---|
1525 | .attr( 'style', $( big.image ).attr('style') ) |
---|
1526 | .attr( 'src', big.image.src ); |
---|
1527 | } |
---|
1528 | } |
---|
1529 | }); |
---|
1530 | }); |
---|
1531 | } |
---|
1532 | |
---|
1533 | // init the first rescale and attach callbacks |
---|
1534 | self.rescale(function() { |
---|
1535 | |
---|
1536 | Utils.addTimer('fullscreen_enter', function() { |
---|
1537 | // show the image after 50 ms |
---|
1538 | Utils.show( self.getActiveImage() ); |
---|
1539 | |
---|
1540 | if (typeof callback === 'function') { |
---|
1541 | callback.call( self ); |
---|
1542 | } |
---|
1543 | |
---|
1544 | }, 100); |
---|
1545 | |
---|
1546 | self.trigger( Galleria.FULLSCREEN_ENTER ); |
---|
1547 | }); |
---|
1548 | |
---|
1549 | // bind the scaling to the resize event |
---|
1550 | $win.resize( function() { |
---|
1551 | fullscreen.scale(); |
---|
1552 | } ); |
---|
1553 | }, |
---|
1554 | |
---|
1555 | scale : function() { |
---|
1556 | self.rescale(); |
---|
1557 | }, |
---|
1558 | |
---|
1559 | exit: function(callback) { |
---|
1560 | |
---|
1561 | fullscreen.active = false; |
---|
1562 | |
---|
1563 | Utils.hide( self.getActiveImage() ); |
---|
1564 | |
---|
1565 | self.$('container').removeClass( 'fullscreen' ); |
---|
1566 | |
---|
1567 | // revert all styles |
---|
1568 | Utils.revertStyles( self.get('container'), DOM().html, DOM().body ); |
---|
1569 | |
---|
1570 | // scroll back |
---|
1571 | window.scrollTo(0, fullscreen.scrolled); |
---|
1572 | |
---|
1573 | // detach all keyboard events and apply the old keymap |
---|
1574 | self.detachKeyboard(); |
---|
1575 | self.attachKeyboard( fullscreen.keymap ); |
---|
1576 | |
---|
1577 | // bring back cached options |
---|
1578 | self._options.imageCrop = fullscreen.crop; |
---|
1579 | //self._options.transition = fullscreen.transition; |
---|
1580 | |
---|
1581 | // return to original image |
---|
1582 | var big = self.getData().big, |
---|
1583 | image = self._controls.getActive().image; |
---|
1584 | |
---|
1585 | if ( big && big == image.src ) { |
---|
1586 | |
---|
1587 | window.setTimeout(function(src) { |
---|
1588 | return function() { |
---|
1589 | image.src = src; |
---|
1590 | }; |
---|
1591 | }( self.getData().image ), 1 ); |
---|
1592 | |
---|
1593 | } |
---|
1594 | |
---|
1595 | self.rescale(function() { |
---|
1596 | Utils.addTimer('fullscreen_exit', function() { |
---|
1597 | |
---|
1598 | // show the image after 50 ms |
---|
1599 | Utils.show( self.getActiveImage() ); |
---|
1600 | |
---|
1601 | if ( typeof callback === 'function' ) { |
---|
1602 | callback.call( self ); |
---|
1603 | } |
---|
1604 | |
---|
1605 | }, 50); |
---|
1606 | |
---|
1607 | self.trigger( Galleria.FULLSCREEN_EXIT ); |
---|
1608 | }); |
---|
1609 | |
---|
1610 | |
---|
1611 | $win.unbind('resize', fullscreen.scale); |
---|
1612 | } |
---|
1613 | }; |
---|
1614 | |
---|
1615 | // the internal idle object for controlling idle states |
---|
1616 | var idle = this._idle = { |
---|
1617 | |
---|
1618 | trunk: [], |
---|
1619 | |
---|
1620 | bound: false, |
---|
1621 | |
---|
1622 | add: function(elem, to) { |
---|
1623 | if (!elem) { |
---|
1624 | return; |
---|
1625 | } |
---|
1626 | if (!idle.bound) { |
---|
1627 | idle.addEvent(); |
---|
1628 | } |
---|
1629 | elem = $(elem); |
---|
1630 | |
---|
1631 | var from = {}, |
---|
1632 | style; |
---|
1633 | |
---|
1634 | for ( style in to ) { |
---|
1635 | if ( to.hasOwnProperty( style ) ) { |
---|
1636 | from[ style ] = elem.css( style ); |
---|
1637 | } |
---|
1638 | } |
---|
1639 | elem.data('idle', { |
---|
1640 | from: from, |
---|
1641 | to: to, |
---|
1642 | complete: true, |
---|
1643 | busy: false |
---|
1644 | }); |
---|
1645 | idle.addTimer(); |
---|
1646 | idle.trunk.push(elem); |
---|
1647 | }, |
---|
1648 | |
---|
1649 | remove: function(elem) { |
---|
1650 | |
---|
1651 | elem = jQuery(elem); |
---|
1652 | |
---|
1653 | $.each(idle.trunk, function(i, el) { |
---|
1654 | if ( el.length && !el.not(elem).length ) { |
---|
1655 | self._idle.show(elem); |
---|
1656 | self._idle.trunk.splice(i, 1); |
---|
1657 | } |
---|
1658 | }); |
---|
1659 | |
---|
1660 | if (!idle.trunk.length) { |
---|
1661 | idle.removeEvent(); |
---|
1662 | Utils.clearTimer('idle'); |
---|
1663 | } |
---|
1664 | }, |
---|
1665 | |
---|
1666 | addEvent : function() { |
---|
1667 | idle.bound = true; |
---|
1668 | self.$('container').bind('mousemove click', idle.showAll ); |
---|
1669 | }, |
---|
1670 | |
---|
1671 | removeEvent : function() { |
---|
1672 | idle.bound = false; |
---|
1673 | self.$('container').unbind('mousemove click', idle.showAll ); |
---|
1674 | }, |
---|
1675 | |
---|
1676 | addTimer : function() { |
---|
1677 | Utils.addTimer('idle', function() { |
---|
1678 | self._idle.hide(); |
---|
1679 | }, self._options.idleTime ); |
---|
1680 | }, |
---|
1681 | |
---|
1682 | hide : function() { |
---|
1683 | |
---|
1684 | if ( !self._options.idleMode ) { |
---|
1685 | return; |
---|
1686 | } |
---|
1687 | |
---|
1688 | self.trigger( Galleria.IDLE_ENTER ); |
---|
1689 | |
---|
1690 | $.each( idle.trunk, function(i, elem) { |
---|
1691 | |
---|
1692 | var data = elem.data('idle'); |
---|
1693 | |
---|
1694 | if (! data) { |
---|
1695 | return; |
---|
1696 | } |
---|
1697 | |
---|
1698 | elem.data('idle').complete = false; |
---|
1699 | |
---|
1700 | Utils.animate( elem, data.to, { |
---|
1701 | duration: self._options.idleSpeed |
---|
1702 | }); |
---|
1703 | }); |
---|
1704 | }, |
---|
1705 | |
---|
1706 | showAll : function() { |
---|
1707 | |
---|
1708 | Utils.clearTimer('idle'); |
---|
1709 | |
---|
1710 | $.each(self._idle.trunk, function( i, elem ) { |
---|
1711 | self._idle.show( elem ); |
---|
1712 | }); |
---|
1713 | }, |
---|
1714 | |
---|
1715 | show: function(elem) { |
---|
1716 | |
---|
1717 | var data = elem.data('idle'); |
---|
1718 | |
---|
1719 | if (!data.busy && !data.complete) { |
---|
1720 | |
---|
1721 | data.busy = true; |
---|
1722 | |
---|
1723 | self.trigger( Galleria.IDLE_EXIT ); |
---|
1724 | |
---|
1725 | Utils.clearTimer( 'idle' ); |
---|
1726 | |
---|
1727 | Utils.animate( elem, data.from, { |
---|
1728 | duration: self._options.idleSpeed/2, |
---|
1729 | complete: function() { |
---|
1730 | $(this).data('idle').busy = false; |
---|
1731 | $(this).data('idle').complete = true; |
---|
1732 | } |
---|
1733 | }); |
---|
1734 | |
---|
1735 | } |
---|
1736 | idle.addTimer(); |
---|
1737 | } |
---|
1738 | }; |
---|
1739 | |
---|
1740 | // internal lightbox object |
---|
1741 | // creates a predesigned lightbox for simple popups of images in galleria |
---|
1742 | var lightbox = this._lightbox = { |
---|
1743 | |
---|
1744 | width : 0, |
---|
1745 | |
---|
1746 | height : 0, |
---|
1747 | |
---|
1748 | initialized : false, |
---|
1749 | |
---|
1750 | active : null, |
---|
1751 | |
---|
1752 | image : null, |
---|
1753 | |
---|
1754 | elems : {}, |
---|
1755 | |
---|
1756 | keymap: false, |
---|
1757 | |
---|
1758 | init : function() { |
---|
1759 | |
---|
1760 | // trigger the event |
---|
1761 | self.trigger( Galleria.LIGHTBOX_OPEN ); |
---|
1762 | |
---|
1763 | if ( lightbox.initialized ) { |
---|
1764 | return; |
---|
1765 | } |
---|
1766 | lightbox.initialized = true; |
---|
1767 | |
---|
1768 | // create some elements to work with |
---|
1769 | var elems = 'overlay box content shadow title info close prevholder prev nextholder next counter image', |
---|
1770 | el = {}, |
---|
1771 | op = self._options, |
---|
1772 | css = '', |
---|
1773 | abs = 'position:absolute;', |
---|
1774 | prefix = 'lightbox-', |
---|
1775 | cssMap = { |
---|
1776 | overlay: 'position:fixed;display:none;opacity:'+op.overlayOpacity+';filter:alpha(opacity='+(op.overlayOpacity*100)+ |
---|
1777 | ');top:0;left:0;width:100%;height:100%;background:'+op.overlayBackground+';z-index:99990', |
---|
1778 | box: 'position:fixed;display:none;width:400px;height:400px;top:50%;left:50%;margin-top:-200px;margin-left:-200px;z-index:99991', |
---|
1779 | shadow: abs+'background:#000;width:100%;height:100%;', |
---|
1780 | content: abs+'background-color:#fff;top:10px;left:10px;right:10px;bottom:10px;overflow:hidden', |
---|
1781 | info: abs+'bottom:10px;left:10px;right:10px;color:#444;font:11px/13px arial,sans-serif;height:13px', |
---|
1782 | close: abs+'top:10px;right:10px;height:20px;width:20px;background:#fff;text-align:center;cursor:pointer;color:#444;font:16px/22px arial,sans-serif;z-index:99999', |
---|
1783 | image: abs+'top:10px;left:10px;right:10px;bottom:30px;overflow:hidden;display:block;', |
---|
1784 | prevholder: abs+'width:50%;top:0;bottom:40px;cursor:pointer;', |
---|
1785 | nextholder: abs+'width:50%;top:0;bottom:40px;right:-1px;cursor:pointer;', |
---|
1786 | prev: abs+'top:50%;margin-top:-20px;height:40px;width:30px;background:#fff;left:20px;display:none;text-align:center;color:#000;font:bold 16px/36px arial,sans-serif', |
---|
1787 | next: abs+'top:50%;margin-top:-20px;height:40px;width:30px;background:#fff;right:20px;left:auto;display:none;font:bold 16px/36px arial,sans-serif;text-align:center;color:#000', |
---|
1788 | title: 'float:left', |
---|
1789 | counter: 'float:right;margin-left:8px;' |
---|
1790 | }, |
---|
1791 | hover = function(elem) { |
---|
1792 | return elem.hover( |
---|
1793 | function() { $(this).css( 'color', '#bbb' ); }, |
---|
1794 | function() { $(this).css( 'color', '#444' ); } |
---|
1795 | ); |
---|
1796 | }, |
---|
1797 | appends = {}; |
---|
1798 | |
---|
1799 | // IE8 fix for IE's transparent background event "feature" |
---|
1800 | if ( IE === 8 ) { |
---|
1801 | cssMap.nextholder += 'background:#000;filter:alpha(opacity=0);'; |
---|
1802 | cssMap.prevholder += 'background:#000;filter:alpha(opacity=0);'; |
---|
1803 | } |
---|
1804 | |
---|
1805 | // create and insert CSS |
---|
1806 | $.each(cssMap, function( key, value ) { |
---|
1807 | css += '.galleria-'+prefix+key+'{'+value+'}'; |
---|
1808 | }); |
---|
1809 | |
---|
1810 | Utils.insertStyleTag( css ); |
---|
1811 | |
---|
1812 | // create the elements |
---|
1813 | $.each(elems.split(' '), function( i, elemId ) { |
---|
1814 | self.addElement( 'lightbox-' + elemId ); |
---|
1815 | el[ elemId ] = lightbox.elems[ elemId ] = self.get( 'lightbox-' + elemId ); |
---|
1816 | }); |
---|
1817 | |
---|
1818 | // initiate the image |
---|
1819 | lightbox.image = new Galleria.Picture(); |
---|
1820 | |
---|
1821 | // append the elements |
---|
1822 | $.each({ |
---|
1823 | box: 'shadow content close prevholder nextholder', |
---|
1824 | info: 'title counter', |
---|
1825 | content: 'info image', |
---|
1826 | prevholder: 'prev', |
---|
1827 | nextholder: 'next' |
---|
1828 | }, function( key, val ) { |
---|
1829 | var arr = []; |
---|
1830 | $.each( val.split(' '), function( i, prop ) { |
---|
1831 | arr.push( prefix + prop ); |
---|
1832 | }); |
---|
1833 | appends[ prefix+key ] = arr; |
---|
1834 | }); |
---|
1835 | |
---|
1836 | self.append( appends ); |
---|
1837 | |
---|
1838 | $( el.image ).append( lightbox.image.container ); |
---|
1839 | |
---|
1840 | $( DOM().body ).append( el.overlay, el.box ); |
---|
1841 | |
---|
1842 | Utils.optimizeTouch( el.box ); |
---|
1843 | |
---|
1844 | // add the prev/next nav and bind some controls |
---|
1845 | |
---|
1846 | hover( $( el.close ).bind( 'click', lightbox.hide ).html('×') ); |
---|
1847 | |
---|
1848 | $.each( ['Prev','Next'], function(i, dir) { |
---|
1849 | |
---|
1850 | var $d = $( el[ dir.toLowerCase() ] ).html( /v/.test( dir ) ? '‹ ' : ' ›' ), |
---|
1851 | $e = $( el[ dir.toLowerCase()+'holder'] ); |
---|
1852 | |
---|
1853 | $e.bind( 'click', function() { |
---|
1854 | lightbox[ 'show' + dir ](); |
---|
1855 | }); |
---|
1856 | |
---|
1857 | // IE7 and touch devices will simply show the nav |
---|
1858 | if ( IE < 8 || Galleria.TOUCH ) { |
---|
1859 | $d.show(); |
---|
1860 | return; |
---|
1861 | } |
---|
1862 | |
---|
1863 | $e.hover( function() { |
---|
1864 | $d.show(); |
---|
1865 | }, function(e) { |
---|
1866 | $d.stop().fadeOut( 200 ); |
---|
1867 | }); |
---|
1868 | |
---|
1869 | }); |
---|
1870 | $( el.overlay ).bind( 'click', lightbox.hide ); |
---|
1871 | |
---|
1872 | // the lightbox animation is slow on ipad |
---|
1873 | if ( Galleria.IPAD ) { |
---|
1874 | self._options.lightboxTransitionSpeed = 0; |
---|
1875 | } |
---|
1876 | |
---|
1877 | }, |
---|
1878 | |
---|
1879 | rescale: function(event) { |
---|
1880 | |
---|
1881 | // calculate |
---|
1882 | var width = Math.min( $win.width()-40, lightbox.width ), |
---|
1883 | height = Math.min( $win.height()-60, lightbox.height ), |
---|
1884 | ratio = Math.min( width / lightbox.width, height / lightbox.height ), |
---|
1885 | destWidth = Math.round( lightbox.width * ratio ) + 40, |
---|
1886 | destHeight = Math.round( lightbox.height * ratio ) + 60, |
---|
1887 | to = { |
---|
1888 | width: destWidth, |
---|
1889 | height: destHeight, |
---|
1890 | 'margin-top': Math.ceil( destHeight / 2 ) *- 1, |
---|
1891 | 'margin-left': Math.ceil( destWidth / 2 ) *- 1 |
---|
1892 | }; |
---|
1893 | |
---|
1894 | // if rescale event, don't animate |
---|
1895 | if ( event ) { |
---|
1896 | $( lightbox.elems.box ).css( to ); |
---|
1897 | } else { |
---|
1898 | $( lightbox.elems.box ).animate( to, { |
---|
1899 | duration: self._options.lightboxTransitionSpeed, |
---|
1900 | easing: self._options.easing, |
---|
1901 | complete: function() { |
---|
1902 | var image = lightbox.image, |
---|
1903 | speed = self._options.lightboxFadeSpeed; |
---|
1904 | |
---|
1905 | self.trigger({ |
---|
1906 | type: Galleria.LIGHTBOX_IMAGE, |
---|
1907 | imageTarget: image.image |
---|
1908 | }); |
---|
1909 | |
---|
1910 | $( image.container ).show(); |
---|
1911 | |
---|
1912 | Utils.show( image.image, speed ); |
---|
1913 | Utils.show( lightbox.elems.info, speed ); |
---|
1914 | } |
---|
1915 | }); |
---|
1916 | } |
---|
1917 | }, |
---|
1918 | |
---|
1919 | hide: function() { |
---|
1920 | |
---|
1921 | // remove the image |
---|
1922 | lightbox.image.image = null; |
---|
1923 | |
---|
1924 | $win.unbind('resize', lightbox.rescale); |
---|
1925 | |
---|
1926 | $( lightbox.elems.box ).hide(); |
---|
1927 | |
---|
1928 | Utils.hide( lightbox.elems.info ); |
---|
1929 | |
---|
1930 | self.detachKeyboard(); |
---|
1931 | self.attachKeyboard( lightbox.keymap ); |
---|
1932 | |
---|
1933 | lightbox.keymap = false; |
---|
1934 | |
---|
1935 | Utils.hide( lightbox.elems.overlay, 200, function() { |
---|
1936 | $( this ).hide().css( 'opacity', self._options.overlayOpacity ); |
---|
1937 | self.trigger( Galleria.LIGHTBOX_CLOSE ); |
---|
1938 | }); |
---|
1939 | }, |
---|
1940 | |
---|
1941 | showNext: function() { |
---|
1942 | lightbox.show( self.getNext( lightbox.active ) ); |
---|
1943 | }, |
---|
1944 | |
---|
1945 | showPrev: function() { |
---|
1946 | lightbox.show( self.getPrev( lightbox.active ) ); |
---|
1947 | }, |
---|
1948 | |
---|
1949 | show: function(index) { |
---|
1950 | |
---|
1951 | lightbox.active = index = typeof index === 'number' ? index : self.getIndex(); |
---|
1952 | |
---|
1953 | if ( !lightbox.initialized ) { |
---|
1954 | lightbox.init(); |
---|
1955 | } |
---|
1956 | |
---|
1957 | // temporarily attach some keys |
---|
1958 | // save the old ones first in a cloned object |
---|
1959 | if ( !lightbox.keymap ) { |
---|
1960 | |
---|
1961 | lightbox.keymap = $.extend({}, self._keyboard.map); |
---|
1962 | |
---|
1963 | self.attachKeyboard({ |
---|
1964 | escape: lightbox.hide, |
---|
1965 | right: lightbox.showNext, |
---|
1966 | left: lightbox.showPrev |
---|
1967 | }); |
---|
1968 | } |
---|
1969 | |
---|
1970 | $win.unbind('resize', lightbox.rescale ); |
---|
1971 | |
---|
1972 | var data = self.getData(index), |
---|
1973 | total = self.getDataLength(), |
---|
1974 | n = self.getNext( index ), |
---|
1975 | ndata, p, i; |
---|
1976 | |
---|
1977 | Utils.hide( lightbox.elems.info ); |
---|
1978 | |
---|
1979 | try { |
---|
1980 | for ( i = self._options.preload; i > 0; i-- ) { |
---|
1981 | p = new Galleria.Picture(); |
---|
1982 | ndata = self.getData( n ); |
---|
1983 | p.preload( 'big' in ndata ? ndata.big : ndata.image ); |
---|
1984 | n = self.getNext( n ); |
---|
1985 | } |
---|
1986 | } catch(e) {} |
---|
1987 | |
---|
1988 | lightbox.image.load( data.big || data.image, function( image ) { |
---|
1989 | |
---|
1990 | lightbox.width = image.original.width; |
---|
1991 | lightbox.height = image.original.height; |
---|
1992 | |
---|
1993 | $( image.image ).css({ |
---|
1994 | width: '100.5%', |
---|
1995 | height: '100.5%', |
---|
1996 | top: 0, |
---|
1997 | zIndex: 99998 |
---|
1998 | }); |
---|
1999 | |
---|
2000 | Utils.hide( image.image ); |
---|
2001 | |
---|
2002 | lightbox.elems.title.innerHTML = data.title || ''; |
---|
2003 | lightbox.elems.counter.innerHTML = (index + 1) + ' / ' + total; |
---|
2004 | $win.resize( lightbox.rescale ); |
---|
2005 | lightbox.rescale(); |
---|
2006 | }); |
---|
2007 | |
---|
2008 | $( lightbox.elems.overlay ).show(); |
---|
2009 | $( lightbox.elems.box ).show(); |
---|
2010 | } |
---|
2011 | }; |
---|
2012 | |
---|
2013 | return this; |
---|
2014 | }; |
---|
2015 | |
---|
2016 | // end Galleria constructor |
---|
2017 | |
---|
2018 | Galleria.prototype = { |
---|
2019 | |
---|
2020 | // bring back the constructor reference |
---|
2021 | |
---|
2022 | constructor: Galleria, |
---|
2023 | |
---|
2024 | /** |
---|
2025 | Use this function to initialize the gallery and start loading. |
---|
2026 | Should only be called once per instance. |
---|
2027 | |
---|
2028 | @param {HTMLElement} target The target element |
---|
2029 | @param {Object} options The gallery options |
---|
2030 | |
---|
2031 | @returns Instance |
---|
2032 | */ |
---|
2033 | |
---|
2034 | init: function( target, options ) { |
---|
2035 | |
---|
2036 | var self = this; |
---|
2037 | |
---|
2038 | options = _legacyOptions( options ); |
---|
2039 | |
---|
2040 | // save the original ingredients |
---|
2041 | this._original = { |
---|
2042 | target: target, |
---|
2043 | options: options, |
---|
2044 | data: null |
---|
2045 | }; |
---|
2046 | |
---|
2047 | // save the target here |
---|
2048 | this._target = this._dom.target = target.nodeName ? target : $( target ).get(0); |
---|
2049 | |
---|
2050 | // push the instance |
---|
2051 | _instances.push( this ); |
---|
2052 | |
---|
2053 | // raise error if no target is detected |
---|
2054 | if ( !this._target ) { |
---|
2055 | Galleria.raise('Target not found.', true); |
---|
2056 | return; |
---|
2057 | } |
---|
2058 | |
---|
2059 | // apply options |
---|
2060 | this._options = { |
---|
2061 | autoplay: false, |
---|
2062 | carousel: true, |
---|
2063 | carouselFollow: true, |
---|
2064 | carouselSpeed: 400, |
---|
2065 | carouselSteps: 'auto', |
---|
2066 | clicknext: false, |
---|
2067 | dataConfig : function( elem ) { return {}; }, |
---|
2068 | dataSelector: 'img', |
---|
2069 | dataSource: this._target, |
---|
2070 | debug: undef, |
---|
2071 | dummy: undef, // 1.2.5 |
---|
2072 | easing: 'galleria', |
---|
2073 | extend: function(options) {}, |
---|
2074 | fullscreenCrop: undef, // 1.2.5 |
---|
2075 | fullscreenDoubleTap: true, // 1.2.4 toggles fullscreen on double-tap for touch devices |
---|
2076 | fullscreenTransition: undef, // 1.2.6 |
---|
2077 | height: 'auto', |
---|
2078 | idleMode: true, // 1.2.4 toggles idleMode |
---|
2079 | idleTime: 3000, |
---|
2080 | idleSpeed: 200, |
---|
2081 | imageCrop: false, |
---|
2082 | imageMargin: 0, |
---|
2083 | imagePan: false, |
---|
2084 | imagePanSmoothness: 12, |
---|
2085 | imagePosition: '50%', |
---|
2086 | imageTimeout: undef, // 1.2.5 |
---|
2087 | initialTransition: undef, // 1.2.4, replaces transitionInitial |
---|
2088 | keepSource: false, |
---|
2089 | layerFollow: true, // 1.2.5 |
---|
2090 | lightbox: false, // 1.2.3 |
---|
2091 | lightboxFadeSpeed: 200, |
---|
2092 | lightboxTransitionSpeed: 200, |
---|
2093 | linkSourceImages: true, |
---|
2094 | maxScaleRatio: undef, |
---|
2095 | minScaleRatio: undef, |
---|
2096 | overlayOpacity: 0.85, |
---|
2097 | overlayBackground: '#0b0b0b', |
---|
2098 | pauseOnInteraction: true, |
---|
2099 | popupLinks: false, |
---|
2100 | preload: 2, |
---|
2101 | queue: true, |
---|
2102 | show: 0, |
---|
2103 | showInfo: true, |
---|
2104 | showCounter: true, |
---|
2105 | showImagenav: true, |
---|
2106 | swipe: true, // 1.2.4 |
---|
2107 | thumbCrop: true, |
---|
2108 | thumbEventType: 'click', |
---|
2109 | thumbFit: true, |
---|
2110 | thumbMargin: 0, |
---|
2111 | thumbQuality: 'auto', |
---|
2112 | thumbnails: true, |
---|
2113 | touchTransition: undef, // 1.2.6 |
---|
2114 | transition: 'fade', |
---|
2115 | transitionInitial: undef, // legacy, deprecate in 1.3. Use initialTransition instead. |
---|
2116 | transitionSpeed: 400, |
---|
2117 | useCanvas: false, // 1.2.4 |
---|
2118 | width: 'auto' |
---|
2119 | }; |
---|
2120 | |
---|
2121 | // legacy support for transitionInitial |
---|
2122 | this._options.initialTransition = this._options.initialTransition || this._options.transitionInitial; |
---|
2123 | |
---|
2124 | // turn off debug |
---|
2125 | if ( options && options.debug === false ) { |
---|
2126 | DEBUG = false; |
---|
2127 | } |
---|
2128 | |
---|
2129 | // set timeout |
---|
2130 | if ( options && typeof options.imageTimeout === 'number' ) { |
---|
2131 | TIMEOUT = options.imageTimeout; |
---|
2132 | } |
---|
2133 | |
---|
2134 | // set dummy |
---|
2135 | if ( options && typeof options.dummy === 'string' ) { |
---|
2136 | DUMMY = options.dummy; |
---|
2137 | } |
---|
2138 | |
---|
2139 | // hide all content |
---|
2140 | $( this._target ).children().hide(); |
---|
2141 | |
---|
2142 | // now we just have to wait for the theme... |
---|
2143 | if ( typeof Galleria.theme === 'object' ) { |
---|
2144 | this._init(); |
---|
2145 | } else { |
---|
2146 | // push the instance into the pool and run it when the theme is ready |
---|
2147 | _pool.push( this ); |
---|
2148 | } |
---|
2149 | |
---|
2150 | return this; |
---|
2151 | }, |
---|
2152 | |
---|
2153 | // this method should only be called once per instance |
---|
2154 | // for manipulation of data, use the .load method |
---|
2155 | |
---|
2156 | _init: function() { |
---|
2157 | |
---|
2158 | var self = this, |
---|
2159 | options = this._options; |
---|
2160 | |
---|
2161 | if ( this._initialized ) { |
---|
2162 | Galleria.raise( 'Init failed: Gallery instance already initialized.' ); |
---|
2163 | return this; |
---|
2164 | } |
---|
2165 | |
---|
2166 | this._initialized = true; |
---|
2167 | |
---|
2168 | if ( !Galleria.theme ) { |
---|
2169 | Galleria.raise( 'Init failed: No theme found.' ); |
---|
2170 | return this; |
---|
2171 | } |
---|
2172 | |
---|
2173 | // merge the theme & caller options |
---|
2174 | $.extend( true, options, Galleria.theme.defaults, this._original.options ); |
---|
2175 | |
---|
2176 | // check for canvas support |
---|
2177 | (function( can ) { |
---|
2178 | |
---|
2179 | if ( !( 'getContext' in can ) ) { |
---|
2180 | can = null; |
---|
2181 | return; |
---|
2182 | } |
---|
2183 | |
---|
2184 | _canvas = _canvas || { |
---|
2185 | elem: can, |
---|
2186 | context: can.getContext( '2d' ), |
---|
2187 | cache: {}, |
---|
2188 | length: 0 |
---|
2189 | }; |
---|
2190 | |
---|
2191 | }( doc.createElement( 'canvas' ) ) ); |
---|
2192 | |
---|
2193 | // bind the gallery to run when data is ready |
---|
2194 | this.bind( Galleria.DATA, function() { |
---|
2195 | |
---|
2196 | // Warn for quirks mode |
---|
2197 | if ( Galleria.QUIRK ) { |
---|
2198 | Galleria.raise('Your page is in Quirks mode, Galleria may not render correctly. Please validate your HTML.'); |
---|
2199 | } |
---|
2200 | |
---|
2201 | // save the new data |
---|
2202 | this._original.data = this._data; |
---|
2203 | |
---|
2204 | // lets show the counter here |
---|
2205 | this.get('total').innerHTML = this.getDataLength(); |
---|
2206 | |
---|
2207 | // cache the container |
---|
2208 | var $container = this.$( 'container' ); |
---|
2209 | |
---|
2210 | // the gallery is ready, let's just wait for the css |
---|
2211 | var num = { width: 0, height: 0 }; |
---|
2212 | var testHeight = function() { |
---|
2213 | return self.$( 'stage' ).height(); |
---|
2214 | }; |
---|
2215 | |
---|
2216 | // check container and thumbnail height |
---|
2217 | Utils.wait({ |
---|
2218 | until: function() { |
---|
2219 | |
---|
2220 | // keep trying to get the value |
---|
2221 | $.each(['width', 'height'], function( i, m ) { |
---|
2222 | |
---|
2223 | // first check if options is set |
---|
2224 | |
---|
2225 | if ( options[ m ] && typeof options[ m ] === 'number' ) { |
---|
2226 | num[ m ] = options[ m ]; |
---|
2227 | } else { |
---|
2228 | |
---|
2229 | // else extract the measures from different sources and grab the highest value |
---|
2230 | num[ m ] = Math.max( |
---|
2231 | Utils.parseValue( $container.css( m ) ), // 1. the container css |
---|
2232 | Utils.parseValue( self.$( 'target' ).css( m ) ), // 2. the target css |
---|
2233 | $container[ m ](), // 3. the container jQuery method |
---|
2234 | self.$( 'target' )[ m ]() // 4. the container jQuery method |
---|
2235 | ); |
---|
2236 | } |
---|
2237 | |
---|
2238 | // apply the new measures |
---|
2239 | $container[ m ]( num[ m ] ); |
---|
2240 | |
---|
2241 | }); |
---|
2242 | |
---|
2243 | return testHeight() && num.width && num.height > 10; |
---|
2244 | |
---|
2245 | }, |
---|
2246 | success: function() { |
---|
2247 | |
---|
2248 | // for some strange reason, webkit needs a single setTimeout to play ball |
---|
2249 | if ( Galleria.WEBKIT ) { |
---|
2250 | window.setTimeout( function() { |
---|
2251 | self._run(); |
---|
2252 | }, 1); |
---|
2253 | } else { |
---|
2254 | self._run(); |
---|
2255 | } |
---|
2256 | }, |
---|
2257 | error: function() { |
---|
2258 | |
---|
2259 | // Height was probably not set, raise hard errors |
---|
2260 | |
---|
2261 | if ( testHeight() ) { |
---|
2262 | Galleria.raise('Could not extract sufficient width/height of the gallery container. Traced measures: width:' + num.width + 'px, height: ' + num.height + 'px.', true); |
---|
2263 | } else { |
---|
2264 | Galleria.raise('Could not extract a stage height from the CSS. Traced height: ' + testHeight() + 'px.', true); |
---|
2265 | } |
---|
2266 | }, |
---|
2267 | timeout: 10000 |
---|
2268 | }); |
---|
2269 | }); |
---|
2270 | |
---|
2271 | // build the gallery frame |
---|
2272 | this.append({ |
---|
2273 | 'info-text' : |
---|
2274 | ['info-title', 'info-description'], |
---|
2275 | 'info' : |
---|
2276 | ['info-text'], |
---|
2277 | 'image-nav' : |
---|
2278 | ['image-nav-right', 'image-nav-left'], |
---|
2279 | 'stage' : |
---|
2280 | ['images', 'loader', 'counter', 'image-nav'], |
---|
2281 | 'thumbnails-list' : |
---|
2282 | ['thumbnails'], |
---|
2283 | 'thumbnails-container' : |
---|
2284 | ['thumb-nav-left', 'thumbnails-list', 'thumb-nav-right'], |
---|
2285 | 'container' : |
---|
2286 | ['stage', 'thumbnails-container', 'info', 'tooltip'] |
---|
2287 | }); |
---|
2288 | |
---|
2289 | Utils.hide( this.$( 'counter' ).append( |
---|
2290 | this.get( 'current' ), |
---|
2291 | doc.createTextNode(' / '), |
---|
2292 | this.get( 'total' ) |
---|
2293 | ) ); |
---|
2294 | |
---|
2295 | this.setCounter('–'); |
---|
2296 | |
---|
2297 | Utils.hide( self.get('tooltip') ); |
---|
2298 | |
---|
2299 | // add a notouch class on the container to prevent unwanted :hovers on touch devices |
---|
2300 | this.$( 'container' ).addClass( Galleria.TOUCH ? 'touch' : 'notouch' ); |
---|
2301 | |
---|
2302 | // add images to the controls |
---|
2303 | $.each( new Array(2), function( i ) { |
---|
2304 | |
---|
2305 | // create a new Picture instance |
---|
2306 | var image = new Galleria.Picture(); |
---|
2307 | |
---|
2308 | // apply some styles, create & prepend overlay |
---|
2309 | $( image.container ).css({ |
---|
2310 | position: 'absolute', |
---|
2311 | top: 0, |
---|
2312 | left: 0 |
---|
2313 | }).prepend( self._layers[i] = $( Utils.create('galleria-layer') ).css({ |
---|
2314 | position: 'absolute', |
---|
2315 | top:0, left:0, right:0, bottom:0, |
---|
2316 | zIndex:2 |
---|
2317 | })[0] ); |
---|
2318 | |
---|
2319 | // append the image |
---|
2320 | self.$( 'images' ).append( image.container ); |
---|
2321 | |
---|
2322 | // reload the controls |
---|
2323 | self._controls[i] = image; |
---|
2324 | |
---|
2325 | }); |
---|
2326 | |
---|
2327 | // some forced generic styling |
---|
2328 | this.$( 'images' ).css({ |
---|
2329 | position: 'relative', |
---|
2330 | top: 0, |
---|
2331 | left: 0, |
---|
2332 | width: '100%', |
---|
2333 | height: '100%' |
---|
2334 | }); |
---|
2335 | |
---|
2336 | this.$( 'thumbnails, thumbnails-list' ).css({ |
---|
2337 | overflow: 'hidden', |
---|
2338 | position: 'relative' |
---|
2339 | }); |
---|
2340 | |
---|
2341 | // bind image navigation arrows |
---|
2342 | this.$( 'image-nav-right, image-nav-left' ).bind( 'click', function(e) { |
---|
2343 | |
---|
2344 | // tune the clicknext option |
---|
2345 | if ( options.clicknext ) { |
---|
2346 | e.stopPropagation(); |
---|
2347 | } |
---|
2348 | |
---|
2349 | // pause if options is set |
---|
2350 | if ( options.pauseOnInteraction ) { |
---|
2351 | self.pause(); |
---|
2352 | } |
---|
2353 | |
---|
2354 | // navigate |
---|
2355 | var fn = /right/.test( this.className ) ? 'next' : 'prev'; |
---|
2356 | self[ fn ](); |
---|
2357 | |
---|
2358 | }); |
---|
2359 | |
---|
2360 | // hide controls if chosen to |
---|
2361 | $.each( ['info','counter','image-nav'], function( i, el ) { |
---|
2362 | if ( options[ 'show' + el.substr(0,1).toUpperCase() + el.substr(1).replace(/-/,'') ] === false ) { |
---|
2363 | Utils.moveOut( self.get( el.toLowerCase() ) ); |
---|
2364 | } |
---|
2365 | }); |
---|
2366 | |
---|
2367 | // load up target content |
---|
2368 | this.load(); |
---|
2369 | |
---|
2370 | // now it's usually safe to remove the content |
---|
2371 | // IE will never stop loading if we remove it, so let's keep it hidden for IE (it's usually fast enough anyway) |
---|
2372 | if ( !options.keepSource && !IE ) { |
---|
2373 | this._target.innerHTML = ''; |
---|
2374 | } |
---|
2375 | |
---|
2376 | // re-append the errors, if they happened before clearing |
---|
2377 | if ( this.get( 'errors' ) ) { |
---|
2378 | this.appendChild( 'target', 'errors' ); |
---|
2379 | } |
---|
2380 | |
---|
2381 | // append the gallery frame |
---|
2382 | this.appendChild( 'target', 'container' ); |
---|
2383 | |
---|
2384 | // parse the carousel on each thumb load |
---|
2385 | if ( options.carousel ) { |
---|
2386 | var count = 0, |
---|
2387 | show = options.show; |
---|
2388 | this.bind( Galleria.THUMBNAIL, function() { |
---|
2389 | this.updateCarousel(); |
---|
2390 | if ( ++count == this.getDataLength() && typeof show == 'number' && show > 0 ) { |
---|
2391 | this._carousel.follow( show ); |
---|
2392 | } |
---|
2393 | }); |
---|
2394 | } |
---|
2395 | |
---|
2396 | // bind swipe gesture |
---|
2397 | if ( options.swipe ) { |
---|
2398 | |
---|
2399 | (function( images ) { |
---|
2400 | |
---|
2401 | var swipeStart = [0,0], |
---|
2402 | swipeStop = [0,0], |
---|
2403 | limitX = 30, |
---|
2404 | limitY = 100, |
---|
2405 | multi = false, |
---|
2406 | tid = 0, |
---|
2407 | data, |
---|
2408 | ev = { |
---|
2409 | start: 'touchstart', |
---|
2410 | move: 'touchmove', |
---|
2411 | stop: 'touchend' |
---|
2412 | }, |
---|
2413 | getData = function(e) { |
---|
2414 | return e.originalEvent.touches ? e.originalEvent.touches[0] : e; |
---|
2415 | }, |
---|
2416 | moveHandler = function( e ) { |
---|
2417 | |
---|
2418 | if ( e.originalEvent.touches && e.originalEvent.touches.length > 1 ) { |
---|
2419 | return; |
---|
2420 | } |
---|
2421 | |
---|
2422 | data = getData( e ); |
---|
2423 | swipeStop = [ data.pageX, data.pageY ]; |
---|
2424 | |
---|
2425 | if ( !swipeStart[0] ) { |
---|
2426 | swipeStart = swipeStop; |
---|
2427 | } |
---|
2428 | |
---|
2429 | if ( Math.abs( swipeStart[0] - swipeStop[0] ) > 10 ) { |
---|
2430 | e.preventDefault(); |
---|
2431 | } |
---|
2432 | }, |
---|
2433 | upHandler = function( e ) { |
---|
2434 | |
---|
2435 | images.unbind( ev.move, moveHandler ); |
---|
2436 | |
---|
2437 | // if multitouch (possibly zooming), abort |
---|
2438 | if ( ( e.originalEvent.touches && e.originalEvent.touches.length ) || multi ) { |
---|
2439 | multi = !multi; |
---|
2440 | return; |
---|
2441 | } |
---|
2442 | |
---|
2443 | if ( Utils.timestamp() - tid < 1000 && |
---|
2444 | Math.abs( swipeStart[0] - swipeStop[0] ) > limitX && |
---|
2445 | Math.abs( swipeStart[1] - swipeStop[1] ) < limitY ) { |
---|
2446 | |
---|
2447 | e.preventDefault(); |
---|
2448 | self[ swipeStart[0] > swipeStop[0] ? 'next' : 'prev' ](); |
---|
2449 | } |
---|
2450 | |
---|
2451 | swipeStart = swipeStop = [0,0]; |
---|
2452 | }; |
---|
2453 | |
---|
2454 | images.bind(ev.start, function(e) { |
---|
2455 | |
---|
2456 | if ( e.originalEvent.touches && e.originalEvent.touches.length > 1 ) { |
---|
2457 | return; |
---|
2458 | } |
---|
2459 | |
---|
2460 | data = getData(e); |
---|
2461 | tid = Utils.timestamp(); |
---|
2462 | swipeStart = swipeStop = [ data.pageX, data.pageY ]; |
---|
2463 | images.bind(ev.move, moveHandler ).one(ev.stop, upHandler); |
---|
2464 | |
---|
2465 | }); |
---|
2466 | |
---|
2467 | }( self.$( 'images' ) )); |
---|
2468 | |
---|
2469 | // double-tap/click fullscreen toggle |
---|
2470 | |
---|
2471 | if ( options.fullscreenDoubleTap ) { |
---|
2472 | |
---|
2473 | this.$( 'stage' ).bind( 'touchstart', (function() { |
---|
2474 | var last, cx, cy, lx, ly, now, |
---|
2475 | getData = function(e) { |
---|
2476 | return e.originalEvent.touches ? e.originalEvent.touches[0] : e; |
---|
2477 | }; |
---|
2478 | return function(e) { |
---|
2479 | now = Galleria.utils.timestamp(); |
---|
2480 | cx = getData(e).pageX; |
---|
2481 | cy = getData(e).pageY; |
---|
2482 | if ( ( now - last < 500 ) && ( cx - lx < 20) && ( cy - ly < 20) ) { |
---|
2483 | self.toggleFullscreen(); |
---|
2484 | e.preventDefault(); |
---|
2485 | self.$( 'stage' ).unbind( 'touchend', arguments.callee ); |
---|
2486 | return; |
---|
2487 | } |
---|
2488 | last = now; |
---|
2489 | lx = cx; |
---|
2490 | ly = cy; |
---|
2491 | }; |
---|
2492 | }())); |
---|
2493 | } |
---|
2494 | |
---|
2495 | } |
---|
2496 | |
---|
2497 | // optimize touch for container |
---|
2498 | Utils.optimizeTouch( this.get( 'container' ) ); |
---|
2499 | |
---|
2500 | return this; |
---|
2501 | }, |
---|
2502 | |
---|
2503 | // Creates the thumbnails and carousel |
---|
2504 | // can be used at any time, f.ex when the data object is manipulated |
---|
2505 | |
---|
2506 | _createThumbnails : function() { |
---|
2507 | |
---|
2508 | this.get( 'total' ).innerHTML = this.getDataLength(); |
---|
2509 | |
---|
2510 | var i, |
---|
2511 | src, |
---|
2512 | thumb, |
---|
2513 | data, |
---|
2514 | |
---|
2515 | $container, |
---|
2516 | |
---|
2517 | self = this, |
---|
2518 | o = this._options, |
---|
2519 | |
---|
2520 | // get previously active thumbnail, if exists |
---|
2521 | active = (function() { |
---|
2522 | var a = self.$('thumbnails').find('.active'); |
---|
2523 | if ( !a.length ) { |
---|
2524 | return false; |
---|
2525 | } |
---|
2526 | return a.find('img').attr('src'); |
---|
2527 | }()), |
---|
2528 | |
---|
2529 | // cache the thumbnail option |
---|
2530 | optval = typeof o.thumbnails === 'string' ? o.thumbnails.toLowerCase() : null, |
---|
2531 | |
---|
2532 | // move some data into the instance |
---|
2533 | // for some reason, jQuery cant handle css(property) when zooming in FF, breaking the gallery |
---|
2534 | // so we resort to getComputedStyle for browsers who support it |
---|
2535 | getStyle = function( prop ) { |
---|
2536 | return doc.defaultView && doc.defaultView.getComputedStyle ? |
---|
2537 | doc.defaultView.getComputedStyle( thumb.container, null )[ prop ] : |
---|
2538 | $container.css( prop ); |
---|
2539 | }, |
---|
2540 | |
---|
2541 | fake = function(image, index, container) { |
---|
2542 | return function() { |
---|
2543 | $( container ).append( image ); |
---|
2544 | self.trigger({ |
---|
2545 | type: Galleria.THUMBNAIL, |
---|
2546 | thumbTarget: image, |
---|
2547 | index: index |
---|
2548 | }); |
---|
2549 | }; |
---|
2550 | }, |
---|
2551 | |
---|
2552 | onThumbEvent = function( e ) { |
---|
2553 | |
---|
2554 | // pause if option is set |
---|
2555 | if ( o.pauseOnInteraction ) { |
---|
2556 | self.pause(); |
---|
2557 | } |
---|
2558 | |
---|
2559 | // extract the index from the data |
---|
2560 | var index = $( e.currentTarget ).data( 'index' ); |
---|
2561 | if ( self.getIndex() !== index ) { |
---|
2562 | self.show( index ); |
---|
2563 | } |
---|
2564 | |
---|
2565 | e.preventDefault(); |
---|
2566 | }, |
---|
2567 | |
---|
2568 | onThumbLoad = function( thumb ) { |
---|
2569 | |
---|
2570 | // scale when ready |
---|
2571 | thumb.scale({ |
---|
2572 | width: thumb.data.width, |
---|
2573 | height: thumb.data.height, |
---|
2574 | crop: o.thumbCrop, |
---|
2575 | margin: o.thumbMargin, |
---|
2576 | canvas: o.useCanvas, |
---|
2577 | complete: function( thumb ) { |
---|
2578 | |
---|
2579 | // shrink thumbnails to fit |
---|
2580 | var top = ['left', 'top'], |
---|
2581 | arr = ['Width', 'Height'], |
---|
2582 | m, |
---|
2583 | css; |
---|
2584 | |
---|
2585 | // calculate shrinked positions |
---|
2586 | $.each(arr, function( i, measure ) { |
---|
2587 | m = measure.toLowerCase(); |
---|
2588 | if ( (o.thumbCrop !== true || o.thumbCrop === m ) && o.thumbFit ) { |
---|
2589 | css = {}; |
---|
2590 | css[ m ] = thumb[ m ]; |
---|
2591 | $( thumb.container ).css( css ); |
---|
2592 | css = {}; |
---|
2593 | css[ top[ i ] ] = 0; |
---|
2594 | $( thumb.image ).css( css ); |
---|
2595 | } |
---|
2596 | |
---|
2597 | // cache outer measures |
---|
2598 | thumb[ 'outer' + measure ] = $( thumb.container )[ 'outer' + measure ]( true ); |
---|
2599 | }); |
---|
2600 | |
---|
2601 | // set high quality if downscale is moderate |
---|
2602 | Utils.toggleQuality( thumb.image, |
---|
2603 | o.thumbQuality === true || |
---|
2604 | ( o.thumbQuality === 'auto' && thumb.original.width < thumb.width * 3 ) |
---|
2605 | ); |
---|
2606 | |
---|
2607 | // trigger the THUMBNAIL event |
---|
2608 | self.trigger({ |
---|
2609 | type: Galleria.THUMBNAIL, |
---|
2610 | thumbTarget: thumb.image, |
---|
2611 | index: thumb.data.order |
---|
2612 | }); |
---|
2613 | } |
---|
2614 | }); |
---|
2615 | }; |
---|
2616 | |
---|
2617 | this._thumbnails = []; |
---|
2618 | |
---|
2619 | this.$( 'thumbnails' ).empty(); |
---|
2620 | |
---|
2621 | // loop through data and create thumbnails |
---|
2622 | for( i = 0; this._data[ i ]; i++ ) { |
---|
2623 | |
---|
2624 | data = this._data[ i ]; |
---|
2625 | |
---|
2626 | if ( o.thumbnails === true ) { |
---|
2627 | |
---|
2628 | // add a new Picture instance |
---|
2629 | thumb = new Galleria.Picture(i); |
---|
2630 | |
---|
2631 | // get source from thumb or image |
---|
2632 | src = data.thumb || data.image; |
---|
2633 | |
---|
2634 | // append the thumbnail |
---|
2635 | this.$( 'thumbnails' ).append( thumb.container ); |
---|
2636 | |
---|
2637 | // cache the container |
---|
2638 | $container = $( thumb.container ); |
---|
2639 | |
---|
2640 | thumb.data = { |
---|
2641 | width : Utils.parseValue( getStyle( 'width' ) ), |
---|
2642 | height : Utils.parseValue( getStyle( 'height' ) ), |
---|
2643 | order : i |
---|
2644 | }; |
---|
2645 | |
---|
2646 | // grab & reset size for smoother thumbnail loads |
---|
2647 | if ( o.thumbFit && o.thumbCrop !== true ) { |
---|
2648 | $container.css( { width: 0, height: 0 } ); |
---|
2649 | } else { |
---|
2650 | $container.css( { width: thumb.data.width, height: thumb.data.height } ); |
---|
2651 | } |
---|
2652 | |
---|
2653 | // load the thumbnail |
---|
2654 | thumb.load( src, onThumbLoad ); |
---|
2655 | |
---|
2656 | // preload all images here |
---|
2657 | if ( o.preload === 'all' ) { |
---|
2658 | thumb.preload( data.image ); |
---|
2659 | } |
---|
2660 | |
---|
2661 | // create empty spans if thumbnails is set to 'empty' |
---|
2662 | } else if ( optval === 'empty' || optval === 'numbers' ) { |
---|
2663 | |
---|
2664 | thumb = { |
---|
2665 | container: Utils.create( 'galleria-image' ), |
---|
2666 | image: Utils.create( 'img', 'span' ), |
---|
2667 | ready: true |
---|
2668 | }; |
---|
2669 | |
---|
2670 | // create numbered thumbnails |
---|
2671 | if ( optval === 'numbers' ) { |
---|
2672 | $( thumb.image ).text( i + 1 ); |
---|
2673 | } |
---|
2674 | |
---|
2675 | this.$( 'thumbnails' ).append( thumb.container ); |
---|
2676 | |
---|
2677 | // we need to "fake" a loading delay before we append and trigger |
---|
2678 | // 50+ should be enough |
---|
2679 | |
---|
2680 | window.setTimeout( ( fake )( thumb.image, i, thumb.container ), 50 + ( i*20 ) ); |
---|
2681 | |
---|
2682 | // create null object to silent errors |
---|
2683 | } else { |
---|
2684 | thumb = { |
---|
2685 | container: null, |
---|
2686 | image: null |
---|
2687 | }; |
---|
2688 | } |
---|
2689 | |
---|
2690 | // add events for thumbnails |
---|
2691 | // you can control the event type using thumb_event_type |
---|
2692 | // we'll add the same event to the source if it's kept |
---|
2693 | |
---|
2694 | $( thumb.container ).add( o.keepSource && o.linkSourceImages ? data.original : null ) |
---|
2695 | .data('index', i).bind( o.thumbEventType, onThumbEvent ); |
---|
2696 | |
---|
2697 | if (active === src) { |
---|
2698 | $( thumb.container ).addClass( 'active' ); |
---|
2699 | } |
---|
2700 | |
---|
2701 | this._thumbnails.push( thumb ); |
---|
2702 | } |
---|
2703 | }, |
---|
2704 | |
---|
2705 | // the internal _run method should be called after loading data into galleria |
---|
2706 | // makes sure the gallery has proper measurements before postrun & ready |
---|
2707 | _run : function() { |
---|
2708 | |
---|
2709 | var self = this; |
---|
2710 | |
---|
2711 | self._createThumbnails(); |
---|
2712 | |
---|
2713 | // make sure we have a stageHeight && stageWidth |
---|
2714 | |
---|
2715 | Utils.wait({ |
---|
2716 | |
---|
2717 | until: function() { |
---|
2718 | |
---|
2719 | // Opera crap |
---|
2720 | if ( Galleria.OPERA ) { |
---|
2721 | self.$( 'stage' ).css( 'display', 'inline-block' ); |
---|
2722 | } |
---|
2723 | |
---|
2724 | self._stageWidth = self.$( 'stage' ).width(); |
---|
2725 | self._stageHeight = self.$( 'stage' ).height(); |
---|
2726 | |
---|
2727 | return( self._stageWidth && |
---|
2728 | self._stageHeight > 50 ); // what is an acceptable height? |
---|
2729 | }, |
---|
2730 | |
---|
2731 | success: function() { |
---|
2732 | |
---|
2733 | // save the instance |
---|
2734 | _galleries.push( self ); |
---|
2735 | |
---|
2736 | // postrun some stuff after the gallery is ready |
---|
2737 | |
---|
2738 | // show counter |
---|
2739 | Utils.show( self.get('counter') ); |
---|
2740 | |
---|
2741 | // bind carousel nav |
---|
2742 | if ( self._options.carousel ) { |
---|
2743 | self._carousel.bindControls(); |
---|
2744 | } |
---|
2745 | |
---|
2746 | // start autoplay |
---|
2747 | if ( self._options.autoplay ) { |
---|
2748 | |
---|
2749 | self.pause(); |
---|
2750 | |
---|
2751 | if ( typeof self._options.autoplay === 'number' ) { |
---|
2752 | self._playtime = self._options.autoplay; |
---|
2753 | } |
---|
2754 | |
---|
2755 | self.trigger( Galleria.PLAY ); |
---|
2756 | self._playing = true; |
---|
2757 | } |
---|
2758 | // if second load, just do the show and return |
---|
2759 | if ( self._firstrun ) { |
---|
2760 | if ( typeof self._options.show === 'number' ) { |
---|
2761 | self.show( self._options.show ); |
---|
2762 | } |
---|
2763 | return; |
---|
2764 | } |
---|
2765 | |
---|
2766 | self._firstrun = true; |
---|
2767 | |
---|
2768 | // bind clicknext |
---|
2769 | if ( self._options.clicknext && !Galleria.TOUCH ) { |
---|
2770 | $.each( self._data, function( i, data ) { |
---|
2771 | delete data.link; |
---|
2772 | }); |
---|
2773 | self.$( 'stage' ).css({ cursor : 'pointer' }).bind( 'click', function(e) { |
---|
2774 | // pause if options is set |
---|
2775 | if ( self._options.pauseOnInteraction ) { |
---|
2776 | self.pause(); |
---|
2777 | } |
---|
2778 | self.next(); |
---|
2779 | }); |
---|
2780 | } |
---|
2781 | |
---|
2782 | // initialize the History plugin |
---|
2783 | if ( Galleria.History ) { |
---|
2784 | |
---|
2785 | // bind the show method |
---|
2786 | Galleria.History.change(function( value ) { |
---|
2787 | |
---|
2788 | // if ID is NaN, the user pressed back from the first image |
---|
2789 | // return to previous address |
---|
2790 | if ( isNaN( value ) ) { |
---|
2791 | window.history.go(-1); |
---|
2792 | |
---|
2793 | // else show the image |
---|
2794 | } else { |
---|
2795 | self.show( value, undef, true ); |
---|
2796 | } |
---|
2797 | }); |
---|
2798 | } |
---|
2799 | |
---|
2800 | // Trigger Galleria.ready |
---|
2801 | $.each( Galleria.ready.callbacks, function() { |
---|
2802 | this.call( self, self._options ); |
---|
2803 | }); |
---|
2804 | |
---|
2805 | self.trigger( Galleria.READY ); |
---|
2806 | |
---|
2807 | // call the theme init method |
---|
2808 | Galleria.theme.init.call( self, self._options ); |
---|
2809 | |
---|
2810 | // call the extend option |
---|
2811 | self._options.extend.call( self, self._options ); |
---|
2812 | |
---|
2813 | // show the initial image |
---|
2814 | // first test for permalinks in history |
---|
2815 | if ( /^[0-9]{1,4}$/.test( HASH ) && Galleria.History ) { |
---|
2816 | self.show( HASH, undef, true ); |
---|
2817 | |
---|
2818 | } else if( self._data[ self._options.show ] ) { |
---|
2819 | self.show( self._options.show ); |
---|
2820 | } |
---|
2821 | }, |
---|
2822 | |
---|
2823 | error: function() { |
---|
2824 | Galleria.raise('Stage width or height is too small to show the gallery. Traced measures: width:' + self._stageWidth + 'px, height: ' + self._stageHeight + 'px.', true); |
---|
2825 | } |
---|
2826 | |
---|
2827 | }); |
---|
2828 | }, |
---|
2829 | |
---|
2830 | /** |
---|
2831 | Loads data into the gallery. |
---|
2832 | You can call this method on an existing gallery to reload the gallery with new data. |
---|
2833 | |
---|
2834 | @param {Array|string} source Optional JSON array of data or selector of where to find data in the document. |
---|
2835 | Defaults to the Galleria target or dataSource option. |
---|
2836 | |
---|
2837 | @param {string} selector Optional element selector of what elements to parse. |
---|
2838 | Defaults to 'img'. |
---|
2839 | |
---|
2840 | @param {Function} [config] Optional function to modify the data extraction proceedure from the selector. |
---|
2841 | See the data_config option for more information. |
---|
2842 | |
---|
2843 | @returns Instance |
---|
2844 | */ |
---|
2845 | |
---|
2846 | load : function( source, selector, config ) { |
---|
2847 | |
---|
2848 | var self = this; |
---|
2849 | |
---|
2850 | // empty the data array |
---|
2851 | this._data = []; |
---|
2852 | |
---|
2853 | // empty the thumbnails |
---|
2854 | this._thumbnails = []; |
---|
2855 | this.$('thumbnails').empty(); |
---|
2856 | |
---|
2857 | // shorten the arguments |
---|
2858 | if ( typeof selector === 'function' ) { |
---|
2859 | config = selector; |
---|
2860 | selector = null; |
---|
2861 | } |
---|
2862 | |
---|
2863 | // use the source set by target |
---|
2864 | source = source || this._options.dataSource; |
---|
2865 | |
---|
2866 | // use selector set by option |
---|
2867 | selector = selector || this._options.dataSelector; |
---|
2868 | |
---|
2869 | // use the data_config set by option |
---|
2870 | config = config || this._options.dataConfig; |
---|
2871 | |
---|
2872 | // if source is a true object, make it into an array |
---|
2873 | if( /^function Object/.test( source.constructor ) ) { |
---|
2874 | source = [source]; |
---|
2875 | } |
---|
2876 | |
---|
2877 | // check if the data is an array already |
---|
2878 | if ( source.constructor === Array ) { |
---|
2879 | if ( this.validate( source ) ) { |
---|
2880 | |
---|
2881 | this._data = source; |
---|
2882 | this._parseData().trigger( Galleria.DATA ); |
---|
2883 | |
---|
2884 | } else { |
---|
2885 | Galleria.raise( 'Load failed: JSON Array not valid.' ); |
---|
2886 | } |
---|
2887 | return this; |
---|
2888 | } |
---|
2889 | |
---|
2890 | // loop through images and set data |
---|
2891 | $( source ).find( selector ).each( function( i, img ) { |
---|
2892 | img = $( img ); |
---|
2893 | var data = {}, |
---|
2894 | parent = img.parent(), |
---|
2895 | href = parent.attr( 'href' ), |
---|
2896 | rel = parent.attr( 'rel' ); |
---|
2897 | |
---|
2898 | if ( href ) { |
---|
2899 | data.image = data.big = href; |
---|
2900 | } |
---|
2901 | if ( rel ) { |
---|
2902 | data.big = rel; |
---|
2903 | } |
---|
2904 | |
---|
2905 | // mix default extractions with the hrefs and config |
---|
2906 | // and push it into the data array |
---|
2907 | self._data.push( $.extend({ |
---|
2908 | |
---|
2909 | title: img.attr('title') || '', |
---|
2910 | thumb: img.attr('src'), |
---|
2911 | image: img.attr('src'), |
---|
2912 | big: img.attr('src'), |
---|
2913 | description: img.attr('alt') || '', |
---|
2914 | link: img.attr('longdesc'), |
---|
2915 | original: img.get(0) // saved as a reference |
---|
2916 | |
---|
2917 | }, data, config( img ) ) ); |
---|
2918 | |
---|
2919 | }); |
---|
2920 | // trigger the DATA event and return |
---|
2921 | if ( this.getDataLength() ) { |
---|
2922 | this.trigger( Galleria.DATA ); |
---|
2923 | } else { |
---|
2924 | Galleria.raise('Load failed: no data found.'); |
---|
2925 | } |
---|
2926 | return this; |
---|
2927 | |
---|
2928 | }, |
---|
2929 | |
---|
2930 | // make sure the data works properly |
---|
2931 | _parseData : function() { |
---|
2932 | |
---|
2933 | var self = this; |
---|
2934 | |
---|
2935 | $.each( this._data, function( i, data ) { |
---|
2936 | // copy image as thumb if no thumb exists |
---|
2937 | if ( 'thumb' in data === false ) { |
---|
2938 | self._data[ i ].thumb = data.image; |
---|
2939 | } |
---|
2940 | // copy image as big image if no biggie exists |
---|
2941 | if ( !'big' in data ) { |
---|
2942 | self._data[ i ].big = data.image; |
---|
2943 | } |
---|
2944 | }); |
---|
2945 | |
---|
2946 | return this; |
---|
2947 | }, |
---|
2948 | |
---|
2949 | /** |
---|
2950 | Adds and/or removes images from the gallery |
---|
2951 | Works just like Array.splice |
---|
2952 | https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/splice |
---|
2953 | |
---|
2954 | @example this.splice( 2, 4 ); // removes 4 images after the second image |
---|
2955 | |
---|
2956 | @returns Instance |
---|
2957 | */ |
---|
2958 | |
---|
2959 | splice: function() { |
---|
2960 | Array.prototype.splice.apply( this._data, Utils.array( arguments ) ); |
---|
2961 | return this._parseData()._createThumbnails(); |
---|
2962 | }, |
---|
2963 | |
---|
2964 | /** |
---|
2965 | Append images to the gallery |
---|
2966 | Works just like Array.push |
---|
2967 | https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/push |
---|
2968 | |
---|
2969 | @example this.push({ image: 'image1.jpg' }); // appends the image to the gallery |
---|
2970 | |
---|
2971 | @returns Instance |
---|
2972 | */ |
---|
2973 | |
---|
2974 | push: function() { |
---|
2975 | Array.prototype.push.apply( this._data, Utils.array( arguments ) ); |
---|
2976 | return this._parseData()._createThumbnails(); |
---|
2977 | }, |
---|
2978 | |
---|
2979 | _getActive: function() { |
---|
2980 | return this._controls.getActive(); |
---|
2981 | }, |
---|
2982 | |
---|
2983 | validate : function( data ) { |
---|
2984 | // todo: validate a custom data array |
---|
2985 | return true; |
---|
2986 | }, |
---|
2987 | |
---|
2988 | /** |
---|
2989 | Bind any event to Galleria |
---|
2990 | |
---|
2991 | @param {string} type The Event type to listen for |
---|
2992 | @param {Function} fn The function to execute when the event is triggered |
---|
2993 | |
---|
2994 | @example this.bind( 'image', function() { Galleria.log('image shown') }); |
---|
2995 | |
---|
2996 | @returns Instance |
---|
2997 | */ |
---|
2998 | |
---|
2999 | bind : function(type, fn) { |
---|
3000 | |
---|
3001 | // allow 'image' instead of Galleria.IMAGE |
---|
3002 | type = _patchEvent( type ); |
---|
3003 | |
---|
3004 | this.$( 'container' ).bind( type, this.proxy(fn) ); |
---|
3005 | return this; |
---|
3006 | }, |
---|
3007 | |
---|
3008 | /** |
---|
3009 | Unbind any event to Galleria |
---|
3010 | |
---|
3011 | @param {string} type The Event type to forget |
---|
3012 | |
---|
3013 | @returns Instance |
---|
3014 | */ |
---|
3015 | |
---|
3016 | unbind : function(type) { |
---|
3017 | |
---|
3018 | type = _patchEvent( type ); |
---|
3019 | |
---|
3020 | this.$( 'container' ).unbind( type ); |
---|
3021 | return this; |
---|
3022 | }, |
---|
3023 | |
---|
3024 | /** |
---|
3025 | Manually trigger a Galleria event |
---|
3026 | |
---|
3027 | @param {string} type The Event to trigger |
---|
3028 | |
---|
3029 | @returns Instance |
---|
3030 | */ |
---|
3031 | |
---|
3032 | trigger : function( type ) { |
---|
3033 | |
---|
3034 | type = typeof type === 'object' ? |
---|
3035 | $.extend( type, { scope: this } ) : |
---|
3036 | { type: _patchEvent( type ), scope: this }; |
---|
3037 | |
---|
3038 | this.$( 'container' ).trigger( type ); |
---|
3039 | |
---|
3040 | return this; |
---|
3041 | }, |
---|
3042 | |
---|
3043 | /** |
---|
3044 | Assign an "idle state" to any element. |
---|
3045 | The idle state will be applied after a certain amount of idle time |
---|
3046 | Useful to hide f.ex navigation when the gallery is inactive |
---|
3047 | |
---|
3048 | @param {HTMLElement|string} elem The Dom node or selector to apply the idle state to |
---|
3049 | @param {Object} styles the CSS styles to apply |
---|
3050 | |
---|
3051 | @example addIdleState( this.get('image-nav'), { opacity: 0 }); |
---|
3052 | @example addIdleState( '.galleria-image-nav', { top: -200 }); |
---|
3053 | |
---|
3054 | @returns Instance |
---|
3055 | */ |
---|
3056 | |
---|
3057 | addIdleState: function( elem, styles ) { |
---|
3058 | this._idle.add.apply( this._idle, Utils.array( arguments ) ); |
---|
3059 | return this; |
---|
3060 | }, |
---|
3061 | |
---|
3062 | /** |
---|
3063 | Removes any idle state previously set using addIdleState() |
---|
3064 | |
---|
3065 | @param {HTMLElement|string} elem The Dom node or selector to remove the idle state from. |
---|
3066 | |
---|
3067 | @returns Instance |
---|
3068 | */ |
---|
3069 | |
---|
3070 | removeIdleState: function( elem ) { |
---|
3071 | this._idle.remove.apply( this._idle, Utils.array( arguments ) ); |
---|
3072 | return this; |
---|
3073 | }, |
---|
3074 | |
---|
3075 | /** |
---|
3076 | Force Galleria to enter idle mode. |
---|
3077 | |
---|
3078 | @returns Instance |
---|
3079 | */ |
---|
3080 | |
---|
3081 | enterIdleMode: function() { |
---|
3082 | this._idle.hide(); |
---|
3083 | return this; |
---|
3084 | }, |
---|
3085 | |
---|
3086 | /** |
---|
3087 | Force Galleria to exit idle mode. |
---|
3088 | |
---|
3089 | @returns Instance |
---|
3090 | */ |
---|
3091 | |
---|
3092 | exitIdleMode: function() { |
---|
3093 | this._idle.showAll(); |
---|
3094 | return this; |
---|
3095 | }, |
---|
3096 | |
---|
3097 | /** |
---|
3098 | Enter FullScreen mode |
---|
3099 | |
---|
3100 | @param {Function} callback the function to be executed when the fullscreen mode is fully applied. |
---|
3101 | |
---|
3102 | @returns Instance |
---|
3103 | */ |
---|
3104 | |
---|
3105 | enterFullscreen: function( callback ) { |
---|
3106 | this._fullscreen.enter.apply( this, Utils.array( arguments ) ); |
---|
3107 | return this; |
---|
3108 | }, |
---|
3109 | |
---|
3110 | /** |
---|
3111 | Exits FullScreen mode |
---|
3112 | |
---|
3113 | @param {Function} callback the function to be executed when the fullscreen mode is fully applied. |
---|
3114 | |
---|
3115 | @returns Instance |
---|
3116 | */ |
---|
3117 | |
---|
3118 | exitFullscreen: function( callback ) { |
---|
3119 | this._fullscreen.exit.apply( this, Utils.array( arguments ) ); |
---|
3120 | return this; |
---|
3121 | }, |
---|
3122 | |
---|
3123 | /** |
---|
3124 | Toggle FullScreen mode |
---|
3125 | |
---|
3126 | @param {Function} callback the function to be executed when the fullscreen mode is fully applied or removed. |
---|
3127 | |
---|
3128 | @returns Instance |
---|
3129 | */ |
---|
3130 | |
---|
3131 | toggleFullscreen: function( callback ) { |
---|
3132 | this._fullscreen[ this.isFullscreen() ? 'exit' : 'enter'].apply( this, Utils.array( arguments ) ); |
---|
3133 | return this; |
---|
3134 | }, |
---|
3135 | |
---|
3136 | /** |
---|
3137 | Adds a tooltip to any element. |
---|
3138 | You can also call this method with an object as argument with elemID:value pairs to apply tooltips to (see examples) |
---|
3139 | |
---|
3140 | @param {HTMLElement} elem The DOM Node to attach the event to |
---|
3141 | @param {string|Function} value The tooltip message. Can also be a function that returns a string. |
---|
3142 | |
---|
3143 | @example this.bindTooltip( this.get('thumbnails'), 'My thumbnails'); |
---|
3144 | @example this.bindTooltip( this.get('thumbnails'), function() { return 'My thumbs' }); |
---|
3145 | @example this.bindTooltip( { image_nav: 'Navigation' }); |
---|
3146 | |
---|
3147 | @returns Instance |
---|
3148 | */ |
---|
3149 | |
---|
3150 | bindTooltip: function( elem, value ) { |
---|
3151 | this._tooltip.bind.apply( this._tooltip, Utils.array(arguments) ); |
---|
3152 | return this; |
---|
3153 | }, |
---|
3154 | |
---|
3155 | /** |
---|
3156 | Note: this method is deprecated. Use refreshTooltip() instead. |
---|
3157 | |
---|
3158 | Redefine a tooltip. |
---|
3159 | Use this if you want to re-apply a tooltip value to an already bound tooltip element. |
---|
3160 | |
---|
3161 | @param {HTMLElement} elem The DOM Node to attach the event to |
---|
3162 | @param {string|Function} value The tooltip message. Can also be a function that returns a string. |
---|
3163 | |
---|
3164 | @returns Instance |
---|
3165 | */ |
---|
3166 | |
---|
3167 | defineTooltip: function( elem, value ) { |
---|
3168 | this._tooltip.define.apply( this._tooltip, Utils.array(arguments) ); |
---|
3169 | return this; |
---|
3170 | }, |
---|
3171 | |
---|
3172 | /** |
---|
3173 | Refresh a tooltip value. |
---|
3174 | Use this if you want to change the tooltip value at runtime, f.ex if you have a play/pause toggle. |
---|
3175 | |
---|
3176 | @param {HTMLElement} elem The DOM Node that has a tooltip that should be refreshed |
---|
3177 | |
---|
3178 | @returns Instance |
---|
3179 | */ |
---|
3180 | |
---|
3181 | refreshTooltip: function( elem ) { |
---|
3182 | this._tooltip.show.apply( this._tooltip, Utils.array(arguments) ); |
---|
3183 | return this; |
---|
3184 | }, |
---|
3185 | |
---|
3186 | /** |
---|
3187 | Open a pre-designed lightbox with the currently active image. |
---|
3188 | You can control some visuals using gallery options. |
---|
3189 | |
---|
3190 | @returns Instance |
---|
3191 | */ |
---|
3192 | |
---|
3193 | openLightbox: function() { |
---|
3194 | this._lightbox.show.apply( this._lightbox, Utils.array( arguments ) ); |
---|
3195 | return this; |
---|
3196 | }, |
---|
3197 | |
---|
3198 | /** |
---|
3199 | Close the lightbox. |
---|
3200 | |
---|
3201 | @returns Instance |
---|
3202 | */ |
---|
3203 | |
---|
3204 | closeLightbox: function() { |
---|
3205 | this._lightbox.hide.apply( this._lightbox, Utils.array( arguments ) ); |
---|
3206 | return this; |
---|
3207 | }, |
---|
3208 | |
---|
3209 | /** |
---|
3210 | Get the currently active image element. |
---|
3211 | |
---|
3212 | @returns {HTMLElement} The image element |
---|
3213 | */ |
---|
3214 | |
---|
3215 | getActiveImage: function() { |
---|
3216 | return this._getActive().image || undef; |
---|
3217 | }, |
---|
3218 | |
---|
3219 | /** |
---|
3220 | Get the currently active thumbnail element. |
---|
3221 | |
---|
3222 | @returns {HTMLElement} The thumbnail element |
---|
3223 | */ |
---|
3224 | |
---|
3225 | getActiveThumb: function() { |
---|
3226 | return this._thumbnails[ this._active ].image || undef; |
---|
3227 | }, |
---|
3228 | |
---|
3229 | /** |
---|
3230 | Get the mouse position relative to the gallery container |
---|
3231 | |
---|
3232 | @param e The mouse event |
---|
3233 | |
---|
3234 | @example |
---|
3235 | |
---|
3236 | var gallery = this; |
---|
3237 | $(document).mousemove(function(e) { |
---|
3238 | console.log( gallery.getMousePosition(e).x ); |
---|
3239 | }); |
---|
3240 | |
---|
3241 | @returns {Object} Object with x & y of the relative mouse postion |
---|
3242 | */ |
---|
3243 | |
---|
3244 | getMousePosition : function(e) { |
---|
3245 | return { |
---|
3246 | x: e.pageX - this.$( 'container' ).offset().left, |
---|
3247 | y: e.pageY - this.$( 'container' ).offset().top |
---|
3248 | }; |
---|
3249 | }, |
---|
3250 | |
---|
3251 | /** |
---|
3252 | Adds a panning effect to the image |
---|
3253 | |
---|
3254 | @param img The optional image element. If not specified it takes the currently active image |
---|
3255 | |
---|
3256 | @returns Instance |
---|
3257 | */ |
---|
3258 | |
---|
3259 | addPan : function( img ) { |
---|
3260 | |
---|
3261 | if ( this._options.imageCrop === false ) { |
---|
3262 | return; |
---|
3263 | } |
---|
3264 | |
---|
3265 | img = $( img || this.getActiveImage() ); |
---|
3266 | |
---|
3267 | // define some variables and methods |
---|
3268 | var self = this, |
---|
3269 | x = img.width() / 2, |
---|
3270 | y = img.height() / 2, |
---|
3271 | destX = parseInt( img.css( 'left' ), 10 ), |
---|
3272 | destY = parseInt( img.css( 'top' ), 10 ), |
---|
3273 | curX = destX || 0, |
---|
3274 | curY = destY || 0, |
---|
3275 | distX = 0, |
---|
3276 | distY = 0, |
---|
3277 | active = false, |
---|
3278 | ts = Utils.timestamp(), |
---|
3279 | cache = 0, |
---|
3280 | move = 0, |
---|
3281 | |
---|
3282 | // positions the image |
---|
3283 | position = function( dist, cur, pos ) { |
---|
3284 | if ( dist > 0 ) { |
---|
3285 | move = Math.round( Math.max( dist * -1, Math.min( 0, cur ) ) ); |
---|
3286 | if ( cache !== move ) { |
---|
3287 | |
---|
3288 | cache = move; |
---|
3289 | |
---|
3290 | if ( IE === 8 ) { // scroll is faster for IE |
---|
3291 | img.parent()[ 'scroll' + pos ]( move * -1 ); |
---|
3292 | } else { |
---|
3293 | var css = {}; |
---|
3294 | css[ pos.toLowerCase() ] = move; |
---|
3295 | img.css(css); |
---|
3296 | } |
---|
3297 | } |
---|
3298 | } |
---|
3299 | }, |
---|
3300 | |
---|
3301 | // calculates mouse position after 50ms |
---|
3302 | calculate = function(e) { |
---|
3303 | if (Utils.timestamp() - ts < 50) { |
---|
3304 | return; |
---|
3305 | } |
---|
3306 | active = true; |
---|
3307 | x = self.getMousePosition(e).x; |
---|
3308 | y = self.getMousePosition(e).y; |
---|
3309 | }, |
---|
3310 | |
---|
3311 | // the main loop to check |
---|
3312 | loop = function(e) { |
---|
3313 | |
---|
3314 | if (!active) { |
---|
3315 | return; |
---|
3316 | } |
---|
3317 | |
---|
3318 | distX = img.width() - self._stageWidth; |
---|
3319 | distY = img.height() - self._stageHeight; |
---|
3320 | destX = x / self._stageWidth * distX * -1; |
---|
3321 | destY = y / self._stageHeight * distY * -1; |
---|
3322 | curX += ( destX - curX ) / self._options.imagePanSmoothness; |
---|
3323 | curY += ( destY - curY ) / self._options.imagePanSmoothness; |
---|
3324 | |
---|
3325 | position( distY, curY, 'Top' ); |
---|
3326 | position( distX, curX, 'Left' ); |
---|
3327 | |
---|
3328 | }; |
---|
3329 | |
---|
3330 | // we need to use scroll in IE8 to speed things up |
---|
3331 | if ( IE === 8 ) { |
---|
3332 | |
---|
3333 | img.parent().scrollTop( curY * -1 ).scrollLeft( curX * -1 ); |
---|
3334 | img.css({ |
---|
3335 | top: 0, |
---|
3336 | left: 0 |
---|
3337 | }); |
---|
3338 | |
---|
3339 | } |
---|
3340 | |
---|
3341 | // unbind and bind event |
---|
3342 | this.$( 'stage' ).unbind( 'mousemove', calculate ).bind( 'mousemove', calculate ); |
---|
3343 | |
---|
3344 | // loop the loop |
---|
3345 | Utils.addTimer('pan', loop, 50, true); |
---|
3346 | |
---|
3347 | return this; |
---|
3348 | }, |
---|
3349 | |
---|
3350 | /** |
---|
3351 | Brings the scope into any callback |
---|
3352 | |
---|
3353 | @param fn The callback to bring the scope into |
---|
3354 | @param scope Optional scope to bring |
---|
3355 | |
---|
3356 | @example $('#fullscreen').click( this.proxy(function() { this.enterFullscreen(); }) ) |
---|
3357 | |
---|
3358 | @returns {Function} Return the callback with the gallery scope |
---|
3359 | */ |
---|
3360 | |
---|
3361 | proxy : function( fn, scope ) { |
---|
3362 | if ( typeof fn !== 'function' ) { |
---|
3363 | return function() {}; |
---|
3364 | } |
---|
3365 | scope = scope || this; |
---|
3366 | return function() { |
---|
3367 | return fn.apply( scope, Utils.array( arguments ) ); |
---|
3368 | }; |
---|
3369 | }, |
---|
3370 | |
---|
3371 | /** |
---|
3372 | Removes the panning effect set by addPan() |
---|
3373 | |
---|
3374 | @returns Instance |
---|
3375 | */ |
---|
3376 | |
---|
3377 | removePan: function() { |
---|
3378 | |
---|
3379 | // todo: doublecheck IE8 |
---|
3380 | |
---|
3381 | this.$( 'stage' ).unbind( 'mousemove' ); |
---|
3382 | |
---|
3383 | Utils.clearTimer( 'pan' ); |
---|
3384 | |
---|
3385 | return this; |
---|
3386 | }, |
---|
3387 | |
---|
3388 | /** |
---|
3389 | Adds an element to the Galleria DOM array. |
---|
3390 | When you add an element here, you can access it using element ID in many API calls |
---|
3391 | |
---|
3392 | @param {string} id The element ID you wish to use. You can add many elements by adding more arguments. |
---|
3393 | |
---|
3394 | @example addElement('mybutton'); |
---|
3395 | @example addElement('mybutton','mylink'); |
---|
3396 | |
---|
3397 | @returns Instance |
---|
3398 | */ |
---|
3399 | |
---|
3400 | addElement : function( id ) { |
---|
3401 | |
---|
3402 | var dom = this._dom; |
---|
3403 | |
---|
3404 | $.each( Utils.array(arguments), function( i, blueprint ) { |
---|
3405 | dom[ blueprint ] = Utils.create( 'galleria-' + blueprint ); |
---|
3406 | }); |
---|
3407 | |
---|
3408 | return this; |
---|
3409 | }, |
---|
3410 | |
---|
3411 | /** |
---|
3412 | Attach keyboard events to Galleria |
---|
3413 | |
---|
3414 | @param {Object} map The map object of events. |
---|
3415 | Possible keys are 'UP', 'DOWN', 'LEFT', 'RIGHT', 'RETURN', 'ESCAPE', 'BACKSPACE', and 'SPACE'. |
---|
3416 | |
---|
3417 | @example |
---|
3418 | |
---|
3419 | this.attachKeyboard({ |
---|
3420 | right: this.next, |
---|
3421 | left: this.prev, |
---|
3422 | up: function() { |
---|
3423 | console.log( 'up key pressed' ) |
---|
3424 | } |
---|
3425 | }); |
---|
3426 | |
---|
3427 | @returns Instance |
---|
3428 | */ |
---|
3429 | |
---|
3430 | attachKeyboard : function( map ) { |
---|
3431 | this._keyboard.attach.apply( this._keyboard, Utils.array( arguments ) ); |
---|
3432 | return this; |
---|
3433 | }, |
---|
3434 | |
---|
3435 | /** |
---|
3436 | Detach all keyboard events to Galleria |
---|
3437 | |
---|
3438 | @returns Instance |
---|
3439 | */ |
---|
3440 | |
---|
3441 | detachKeyboard : function() { |
---|
3442 | this._keyboard.detach.apply( this._keyboard, Utils.array( arguments ) ); |
---|
3443 | return this; |
---|
3444 | }, |
---|
3445 | |
---|
3446 | /** |
---|
3447 | Fast helper for appending galleria elements that you added using addElement() |
---|
3448 | |
---|
3449 | @param {string} parentID The parent element ID where the element will be appended |
---|
3450 | @param {string} childID the element ID that should be appended |
---|
3451 | |
---|
3452 | @example this.addElement('myElement'); |
---|
3453 | this.appendChild( 'info', 'myElement' ); |
---|
3454 | |
---|
3455 | @returns Instance |
---|
3456 | */ |
---|
3457 | |
---|
3458 | appendChild : function( parentID, childID ) { |
---|
3459 | this.$( parentID ).append( this.get( childID ) || childID ); |
---|
3460 | return this; |
---|
3461 | }, |
---|
3462 | |
---|
3463 | /** |
---|
3464 | Fast helper for prepending galleria elements that you added using addElement() |
---|
3465 | |
---|
3466 | @param {string} parentID The parent element ID where the element will be prepended |
---|
3467 | @param {string} childID the element ID that should be prepended |
---|
3468 | |
---|
3469 | @example |
---|
3470 | |
---|
3471 | this.addElement('myElement'); |
---|
3472 | this.prependChild( 'info', 'myElement' ); |
---|
3473 | |
---|
3474 | @returns Instance |
---|
3475 | */ |
---|
3476 | |
---|
3477 | prependChild : function( parentID, childID ) { |
---|
3478 | this.$( parentID ).prepend( this.get( childID ) || childID ); |
---|
3479 | return this; |
---|
3480 | }, |
---|
3481 | |
---|
3482 | /** |
---|
3483 | Remove an element by blueprint |
---|
3484 | |
---|
3485 | @param {string} elemID The element to be removed. |
---|
3486 | You can remove multiple elements by adding arguments. |
---|
3487 | |
---|
3488 | @returns Instance |
---|
3489 | */ |
---|
3490 | |
---|
3491 | remove : function( elemID ) { |
---|
3492 | this.$( Utils.array( arguments ).join(',') ).remove(); |
---|
3493 | return this; |
---|
3494 | }, |
---|
3495 | |
---|
3496 | // a fast helper for building dom structures |
---|
3497 | // leave this out of the API for now |
---|
3498 | |
---|
3499 | append : function( data ) { |
---|
3500 | var i, j; |
---|
3501 | for( i in data ) { |
---|
3502 | if ( data.hasOwnProperty( i ) ) { |
---|
3503 | if ( data[i].constructor === Array ) { |
---|
3504 | for( j = 0; data[i][j]; j++ ) { |
---|
3505 | this.appendChild( i, data[i][j] ); |
---|
3506 | } |
---|
3507 | } else { |
---|
3508 | this.appendChild( i, data[i] ); |
---|
3509 | } |
---|
3510 | } |
---|
3511 | } |
---|
3512 | return this; |
---|
3513 | }, |
---|
3514 | |
---|
3515 | // an internal helper for scaling according to options |
---|
3516 | _scaleImage : function( image, options ) { |
---|
3517 | |
---|
3518 | image = image || this._controls.getActive(); |
---|
3519 | |
---|
3520 | // janpub (JH) fix: |
---|
3521 | // image might be unselected yet |
---|
3522 | // e.g. when external logics rescales the gallery on window resize events |
---|
3523 | if( !image ) { |
---|
3524 | return; |
---|
3525 | } |
---|
3526 | |
---|
3527 | var self = this, |
---|
3528 | |
---|
3529 | complete, |
---|
3530 | |
---|
3531 | scaleLayer = function( img ) { |
---|
3532 | $( img.container ).children(':first').css({ |
---|
3533 | top: Math.max(0, Utils.parseValue( img.image.style.top )), |
---|
3534 | left: Math.max(0, Utils.parseValue( img.image.style.left )), |
---|
3535 | width: Utils.parseValue( img.image.width ), |
---|
3536 | height: Utils.parseValue( img.image.height ) |
---|
3537 | }); |
---|
3538 | }; |
---|
3539 | |
---|
3540 | options = $.extend({ |
---|
3541 | width: this._stageWidth, |
---|
3542 | height: this._stageHeight, |
---|
3543 | crop: this._options.imageCrop, |
---|
3544 | max: this._options.maxScaleRatio, |
---|
3545 | min: this._options.minScaleRatio, |
---|
3546 | margin: this._options.imageMargin, |
---|
3547 | position: this._options.imagePosition |
---|
3548 | }, options ); |
---|
3549 | |
---|
3550 | if ( this._options.layerFollow && this._options.imageCrop !== true ) { |
---|
3551 | |
---|
3552 | if ( typeof options.complete == 'function' ) { |
---|
3553 | complete = options.complete; |
---|
3554 | options.complete = function() { |
---|
3555 | complete.call( image, image ); |
---|
3556 | scaleLayer( image ); |
---|
3557 | }; |
---|
3558 | } else { |
---|
3559 | options.complete = scaleLayer; |
---|
3560 | } |
---|
3561 | |
---|
3562 | } else { |
---|
3563 | $( image.container ).children(':first').css({ top: 0, left: 0 }); |
---|
3564 | } |
---|
3565 | |
---|
3566 | image.scale( options ); |
---|
3567 | return this; |
---|
3568 | }, |
---|
3569 | |
---|
3570 | /** |
---|
3571 | Updates the carousel, |
---|
3572 | useful if you resize the gallery and want to re-check if the carousel nav is needed. |
---|
3573 | |
---|
3574 | @returns Instance |
---|
3575 | */ |
---|
3576 | |
---|
3577 | updateCarousel : function() { |
---|
3578 | this._carousel.update(); |
---|
3579 | return this; |
---|
3580 | }, |
---|
3581 | |
---|
3582 | /** |
---|
3583 | Rescales the gallery |
---|
3584 | |
---|
3585 | @param {number} width The target width |
---|
3586 | @param {number} height The target height |
---|
3587 | @param {Function} complete The callback to be called when the scaling is complete |
---|
3588 | |
---|
3589 | @returns Instance |
---|
3590 | */ |
---|
3591 | |
---|
3592 | rescale : function( width, height, complete ) { |
---|
3593 | |
---|
3594 | var self = this; |
---|
3595 | |
---|
3596 | // allow rescale(fn) |
---|
3597 | if ( typeof width === 'function' ) { |
---|
3598 | complete = width; |
---|
3599 | width = undef; |
---|
3600 | } |
---|
3601 | |
---|
3602 | var scale = function() { |
---|
3603 | |
---|
3604 | // set stagewidth |
---|
3605 | self._stageWidth = width || self.$( 'stage' ).width(); |
---|
3606 | self._stageHeight = height || self.$( 'stage' ).height(); |
---|
3607 | |
---|
3608 | // scale the active image |
---|
3609 | self._scaleImage(); |
---|
3610 | |
---|
3611 | if ( self._options.carousel ) { |
---|
3612 | self.updateCarousel(); |
---|
3613 | } |
---|
3614 | |
---|
3615 | self.trigger( Galleria.RESCALE ); |
---|
3616 | |
---|
3617 | if ( typeof complete === 'function' ) { |
---|
3618 | complete.call( self ); |
---|
3619 | } |
---|
3620 | }; |
---|
3621 | |
---|
3622 | if ( Galleria.WEBKIT && !width && !height ) { |
---|
3623 | Utils.addTimer( 'scale', scale, 10 );// webkit is too fast |
---|
3624 | } else { |
---|
3625 | scale.call( self ); |
---|
3626 | } |
---|
3627 | |
---|
3628 | return this; |
---|
3629 | }, |
---|
3630 | |
---|
3631 | /** |
---|
3632 | Refreshes the gallery. |
---|
3633 | Useful if you change image options at runtime and want to apply the changes to the active image. |
---|
3634 | |
---|
3635 | @returns Instance |
---|
3636 | */ |
---|
3637 | |
---|
3638 | refreshImage : function() { |
---|
3639 | this._scaleImage(); |
---|
3640 | if ( this._options.imagePan ) { |
---|
3641 | this.addPan(); |
---|
3642 | } |
---|
3643 | return this; |
---|
3644 | }, |
---|
3645 | |
---|
3646 | /** |
---|
3647 | Shows an image by index |
---|
3648 | |
---|
3649 | @param {number|boolean} index The index to show |
---|
3650 | @param {Boolean} rewind A boolean that should be true if you want the transition to go back |
---|
3651 | |
---|
3652 | @returns Instance |
---|
3653 | */ |
---|
3654 | |
---|
3655 | show : function( index, rewind, _history ) { |
---|
3656 | |
---|
3657 | // do nothing if index is false or queue is false and transition is in progress |
---|
3658 | if ( index === false || ( !this._options.queue && this._queue.stalled ) ) { |
---|
3659 | return; |
---|
3660 | } |
---|
3661 | |
---|
3662 | index = Math.max( 0, Math.min( parseInt( index, 10 ), this.getDataLength() - 1 ) ); |
---|
3663 | |
---|
3664 | rewind = typeof rewind !== 'undefined' ? !!rewind : index < this.getIndex(); |
---|
3665 | |
---|
3666 | _history = _history || false; |
---|
3667 | |
---|
3668 | // do the history thing and return |
---|
3669 | if ( !_history && Galleria.History ) { |
---|
3670 | Galleria.History.set( index.toString() ); |
---|
3671 | return; |
---|
3672 | } |
---|
3673 | |
---|
3674 | this._active = index; |
---|
3675 | |
---|
3676 | Array.prototype.push.call( this._queue, { |
---|
3677 | index : index, |
---|
3678 | rewind : rewind |
---|
3679 | }); |
---|
3680 | if ( !this._queue.stalled ) { |
---|
3681 | this._show(); |
---|
3682 | } |
---|
3683 | |
---|
3684 | return this; |
---|
3685 | }, |
---|
3686 | |
---|
3687 | // the internal _show method does the actual showing |
---|
3688 | _show : function() { |
---|
3689 | |
---|
3690 | // shortcuts |
---|
3691 | var self = this, |
---|
3692 | queue = this._queue[ 0 ], |
---|
3693 | data = this.getData( queue.index ); |
---|
3694 | |
---|
3695 | if ( !data ) { |
---|
3696 | return; |
---|
3697 | } |
---|
3698 | |
---|
3699 | var src = this.isFullscreen() && 'big' in data ? data.big : data.image, // use big image if fullscreen mode |
---|
3700 | active = this._controls.getActive(), |
---|
3701 | next = this._controls.getNext(), |
---|
3702 | cached = next.isCached( src ), |
---|
3703 | thumb = this._thumbnails[ queue.index ]; |
---|
3704 | |
---|
3705 | // to be fired when loading & transition is complete: |
---|
3706 | var complete = (function( data, next, active, queue, thumb ) { |
---|
3707 | |
---|
3708 | return function() { |
---|
3709 | |
---|
3710 | var win; |
---|
3711 | |
---|
3712 | // remove stalled |
---|
3713 | self._queue.stalled = false; |
---|
3714 | |
---|
3715 | // optimize quality |
---|
3716 | Utils.toggleQuality( next.image, self._options.imageQuality ); |
---|
3717 | |
---|
3718 | // remove old layer |
---|
3719 | self._layers[ self._controls.active ].innerHTML = ''; |
---|
3720 | |
---|
3721 | // swap |
---|
3722 | $( active.container ).css({ |
---|
3723 | zIndex: 0, |
---|
3724 | opacity: 0 |
---|
3725 | }).show(); |
---|
3726 | |
---|
3727 | $( next.container ).css({ |
---|
3728 | zIndex: 1 |
---|
3729 | }).show(); |
---|
3730 | |
---|
3731 | self._controls.swap(); |
---|
3732 | |
---|
3733 | // add pan according to option |
---|
3734 | if ( self._options.imagePan ) { |
---|
3735 | self.addPan( next.image ); |
---|
3736 | } |
---|
3737 | |
---|
3738 | // make the image link or add lightbox |
---|
3739 | // link takes precedence over lightbox if both are detected |
---|
3740 | if ( data.link || self._options.lightbox ) { |
---|
3741 | |
---|
3742 | $( next.image ).css({ |
---|
3743 | cursor: 'pointer' |
---|
3744 | }).bind( 'mouseup', function() { |
---|
3745 | |
---|
3746 | // popup link |
---|
3747 | if ( data.link ) { |
---|
3748 | if ( self._options.popupLinks ) { |
---|
3749 | win = window.open( data.link, '_blank' ); |
---|
3750 | } else { |
---|
3751 | window.location.href = data.link; |
---|
3752 | } |
---|
3753 | return; |
---|
3754 | } |
---|
3755 | |
---|
3756 | self.openLightbox(); |
---|
3757 | |
---|
3758 | }); |
---|
3759 | } |
---|
3760 | |
---|
3761 | // remove the queued image |
---|
3762 | Array.prototype.shift.call( self._queue ); |
---|
3763 | |
---|
3764 | // if we still have images in the queue, show it |
---|
3765 | if ( self._queue.length ) { |
---|
3766 | self._show(); |
---|
3767 | } |
---|
3768 | |
---|
3769 | // check if we are playing |
---|
3770 | self._playCheck(); |
---|
3771 | |
---|
3772 | // trigger IMAGE event |
---|
3773 | self.trigger({ |
---|
3774 | type: Galleria.IMAGE, |
---|
3775 | index: queue.index, |
---|
3776 | imageTarget: next.image, |
---|
3777 | thumbTarget: thumb.image |
---|
3778 | }); |
---|
3779 | }; |
---|
3780 | }( data, next, active, queue, thumb )); |
---|
3781 | |
---|
3782 | // let the carousel follow |
---|
3783 | if ( this._options.carousel && this._options.carouselFollow ) { |
---|
3784 | this._carousel.follow( queue.index ); |
---|
3785 | } |
---|
3786 | |
---|
3787 | // preload images |
---|
3788 | if ( this._options.preload ) { |
---|
3789 | |
---|
3790 | var p, i, |
---|
3791 | n = this.getNext(), |
---|
3792 | ndata; |
---|
3793 | |
---|
3794 | try { |
---|
3795 | for ( i = this._options.preload; i > 0; i-- ) { |
---|
3796 | p = new Galleria.Picture(); |
---|
3797 | ndata = self.getData( n ); |
---|
3798 | p.preload( this.isFullscreen() && 'big' in ndata ? ndata.big : ndata.image ); |
---|
3799 | n = self.getNext( n ); |
---|
3800 | } |
---|
3801 | } catch(e) {} |
---|
3802 | } |
---|
3803 | |
---|
3804 | // show the next image, just in case |
---|
3805 | Utils.show( next.container ); |
---|
3806 | |
---|
3807 | // add active classes |
---|
3808 | $( self._thumbnails[ queue.index ].container ) |
---|
3809 | .addClass( 'active' ) |
---|
3810 | .siblings( '.active' ) |
---|
3811 | .removeClass( 'active' ); |
---|
3812 | |
---|
3813 | // trigger the LOADSTART event |
---|
3814 | self.trigger( { |
---|
3815 | type: Galleria.LOADSTART, |
---|
3816 | cached: cached, |
---|
3817 | index: queue.index, |
---|
3818 | rewind: queue.rewind, |
---|
3819 | imageTarget: next.image, |
---|
3820 | thumbTarget: thumb.image |
---|
3821 | }); |
---|
3822 | |
---|
3823 | // begin loading the next image |
---|
3824 | next.load( src, function( next ) { |
---|
3825 | |
---|
3826 | // add layer HTML |
---|
3827 | var layer = $( self._layers[ 1-self._controls.active ] ).html( data.layer || '' ).hide(); |
---|
3828 | |
---|
3829 | self._scaleImage( next, { |
---|
3830 | |
---|
3831 | complete: function( next ) { |
---|
3832 | |
---|
3833 | // toggle low quality for IE |
---|
3834 | if ( 'image' in active ) { |
---|
3835 | Utils.toggleQuality( active.image, false ); |
---|
3836 | } |
---|
3837 | Utils.toggleQuality( next.image, false ); |
---|
3838 | |
---|
3839 | // stall the queue |
---|
3840 | self._queue.stalled = true; |
---|
3841 | |
---|
3842 | // remove the image panning, if applied |
---|
3843 | // TODO: rethink if this is necessary |
---|
3844 | self.removePan(); |
---|
3845 | |
---|
3846 | // set the captions and counter |
---|
3847 | self.setInfo( queue.index ); |
---|
3848 | self.setCounter( queue.index ); |
---|
3849 | |
---|
3850 | // show the layer now |
---|
3851 | if ( data.layer ) { |
---|
3852 | layer.show(); |
---|
3853 | // inherit click events set on image or stage |
---|
3854 | if ( data.link || self._options.clicknext ) { |
---|
3855 | layer.css( 'cursor', 'pointer' ).one( 'click', function() { |
---|
3856 | if ( data.link ) { |
---|
3857 | $( next.image ).trigger( 'mouseup' ); |
---|
3858 | } else { |
---|
3859 | self.$( 'stage' ).trigger( 'click' ); |
---|
3860 | } |
---|
3861 | }); |
---|
3862 | } |
---|
3863 | } |
---|
3864 | |
---|
3865 | // trigger the LOADFINISH event |
---|
3866 | self.trigger({ |
---|
3867 | type: Galleria.LOADFINISH, |
---|
3868 | cached: cached, |
---|
3869 | index: queue.index, |
---|
3870 | rewind: queue.rewind, |
---|
3871 | imageTarget: next.image, |
---|
3872 | thumbTarget: self._thumbnails[ queue.index ].image |
---|
3873 | }); |
---|
3874 | |
---|
3875 | var transition = self._options.transition; |
---|
3876 | |
---|
3877 | // can JavaScript loop through objects in order? yes. |
---|
3878 | $.each({ |
---|
3879 | initial: active.image === null, |
---|
3880 | touch: Galleria.TOUCH, |
---|
3881 | fullscreen: self.isFullscreen() |
---|
3882 | }, function( type, arg ) { |
---|
3883 | if ( arg && self._options[ type + 'Transition' ] !== undef ) { |
---|
3884 | transition = self._options[ type + 'Transition' ]; |
---|
3885 | return false; |
---|
3886 | } |
---|
3887 | }); |
---|
3888 | |
---|
3889 | // validate the transition |
---|
3890 | if ( transition in _transitions === false ) { |
---|
3891 | complete(); |
---|
3892 | } else { |
---|
3893 | var params = { |
---|
3894 | prev: active.container, |
---|
3895 | next: next.container, |
---|
3896 | rewind: queue.rewind, |
---|
3897 | speed: self._options.transitionSpeed || 400 |
---|
3898 | }; |
---|
3899 | |
---|
3900 | // call the transition function and send some stuff |
---|
3901 | _transitions[ transition ].call(self, params, complete ); |
---|
3902 | |
---|
3903 | } |
---|
3904 | } |
---|
3905 | }); |
---|
3906 | }); |
---|
3907 | }, |
---|
3908 | |
---|
3909 | /** |
---|
3910 | Gets the next index |
---|
3911 | |
---|
3912 | @param {number} base Optional starting point |
---|
3913 | |
---|
3914 | @returns {number} the next index, or the first if you are at the first (looping) |
---|
3915 | */ |
---|
3916 | |
---|
3917 | getNext : function( base ) { |
---|
3918 | base = typeof base === 'number' ? base : this.getIndex(); |
---|
3919 | return base === this.getDataLength() - 1 ? 0 : base + 1; |
---|
3920 | }, |
---|
3921 | |
---|
3922 | /** |
---|
3923 | Gets the previous index |
---|
3924 | |
---|
3925 | @param {number} base Optional starting point |
---|
3926 | |
---|
3927 | @returns {number} the previous index, or the last if you are at the first (looping) |
---|
3928 | */ |
---|
3929 | |
---|
3930 | getPrev : function( base ) { |
---|
3931 | base = typeof base === 'number' ? base : this.getIndex(); |
---|
3932 | return base === 0 ? this.getDataLength() - 1 : base - 1; |
---|
3933 | }, |
---|
3934 | |
---|
3935 | /** |
---|
3936 | Shows the next image in line |
---|
3937 | |
---|
3938 | @returns Instance |
---|
3939 | */ |
---|
3940 | |
---|
3941 | next : function() { |
---|
3942 | if ( this.getDataLength() > 1 ) { |
---|
3943 | this.show( this.getNext(), false ); |
---|
3944 | } |
---|
3945 | return this; |
---|
3946 | }, |
---|
3947 | |
---|
3948 | /** |
---|
3949 | Shows the previous image in line |
---|
3950 | |
---|
3951 | @returns Instance |
---|
3952 | */ |
---|
3953 | |
---|
3954 | prev : function() { |
---|
3955 | if ( this.getDataLength() > 1 ) { |
---|
3956 | this.show( this.getPrev(), true ); |
---|
3957 | } |
---|
3958 | return this; |
---|
3959 | }, |
---|
3960 | |
---|
3961 | /** |
---|
3962 | Retrieve a DOM element by element ID |
---|
3963 | |
---|
3964 | @param {string} elemId The delement ID to fetch |
---|
3965 | |
---|
3966 | @returns {HTMLElement} The elements DOM node or null if not found. |
---|
3967 | */ |
---|
3968 | |
---|
3969 | get : function( elemId ) { |
---|
3970 | return elemId in this._dom ? this._dom[ elemId ] : null; |
---|
3971 | }, |
---|
3972 | |
---|
3973 | /** |
---|
3974 | Retrieve a data object |
---|
3975 | |
---|
3976 | @param {number} index The data index to retrieve. |
---|
3977 | If no index specified it will take the currently active image |
---|
3978 | |
---|
3979 | @returns {Object} The data object |
---|
3980 | */ |
---|
3981 | |
---|
3982 | getData : function( index ) { |
---|
3983 | return index in this._data ? |
---|
3984 | this._data[ index ] : this._data[ this._active ]; |
---|
3985 | }, |
---|
3986 | |
---|
3987 | /** |
---|
3988 | Retrieve the number of data items |
---|
3989 | |
---|
3990 | @returns {number} The data length |
---|
3991 | */ |
---|
3992 | getDataLength : function() { |
---|
3993 | return this._data.length; |
---|
3994 | }, |
---|
3995 | |
---|
3996 | /** |
---|
3997 | Retrieve the currently active index |
---|
3998 | |
---|
3999 | @returns {number|boolean} The active index or false if none found |
---|
4000 | */ |
---|
4001 | |
---|
4002 | getIndex : function() { |
---|
4003 | return typeof this._active === 'number' ? this._active : false; |
---|
4004 | }, |
---|
4005 | |
---|
4006 | /** |
---|
4007 | Retrieve the stage height |
---|
4008 | |
---|
4009 | @returns {number} The stage height |
---|
4010 | */ |
---|
4011 | |
---|
4012 | getStageHeight : function() { |
---|
4013 | return this._stageHeight; |
---|
4014 | }, |
---|
4015 | |
---|
4016 | /** |
---|
4017 | Retrieve the stage width |
---|
4018 | |
---|
4019 | @returns {number} The stage width |
---|
4020 | */ |
---|
4021 | |
---|
4022 | getStageWidth : function() { |
---|
4023 | return this._stageWidth; |
---|
4024 | }, |
---|
4025 | |
---|
4026 | /** |
---|
4027 | Retrieve the option |
---|
4028 | |
---|
4029 | @param {string} key The option key to retrieve. If no key specified it will return all options in an object. |
---|
4030 | |
---|
4031 | @returns option or options |
---|
4032 | */ |
---|
4033 | |
---|
4034 | getOptions : function( key ) { |
---|
4035 | return typeof key === 'undefined' ? this._options : this._options[ key ]; |
---|
4036 | }, |
---|
4037 | |
---|
4038 | /** |
---|
4039 | Set options to the instance. |
---|
4040 | You can set options using a key & value argument or a single object argument (see examples) |
---|
4041 | |
---|
4042 | @param {string} key The option key |
---|
4043 | @param {string} value the the options value |
---|
4044 | |
---|
4045 | @example setOptions( 'autoplay', true ) |
---|
4046 | @example setOptions({ autoplay: true }); |
---|
4047 | |
---|
4048 | @returns Instance |
---|
4049 | */ |
---|
4050 | |
---|
4051 | setOptions : function( key, value ) { |
---|
4052 | if ( typeof key === 'object' ) { |
---|
4053 | $.extend( this._options, key ); |
---|
4054 | } else { |
---|
4055 | this._options[ key ] = value; |
---|
4056 | } |
---|
4057 | return this; |
---|
4058 | }, |
---|
4059 | |
---|
4060 | /** |
---|
4061 | Starts playing the slideshow |
---|
4062 | |
---|
4063 | @param {number} delay Sets the slideshow interval in milliseconds. |
---|
4064 | If you set it once, you can just call play() and get the same interval the next time. |
---|
4065 | |
---|
4066 | @returns Instance |
---|
4067 | */ |
---|
4068 | |
---|
4069 | play : function( delay ) { |
---|
4070 | |
---|
4071 | this._playing = true; |
---|
4072 | |
---|
4073 | this._playtime = delay || this._playtime; |
---|
4074 | |
---|
4075 | this._playCheck(); |
---|
4076 | |
---|
4077 | this.trigger( Galleria.PLAY ); |
---|
4078 | |
---|
4079 | return this; |
---|
4080 | }, |
---|
4081 | |
---|
4082 | /** |
---|
4083 | Stops the slideshow if currently playing |
---|
4084 | |
---|
4085 | @returns Instance |
---|
4086 | */ |
---|
4087 | |
---|
4088 | pause : function() { |
---|
4089 | |
---|
4090 | this._playing = false; |
---|
4091 | |
---|
4092 | this.trigger( Galleria.PAUSE ); |
---|
4093 | |
---|
4094 | return this; |
---|
4095 | }, |
---|
4096 | |
---|
4097 | /** |
---|
4098 | Toggle between play and pause events. |
---|
4099 | |
---|
4100 | @param {number} delay Sets the slideshow interval in milliseconds. |
---|
4101 | |
---|
4102 | @returns Instance |
---|
4103 | */ |
---|
4104 | |
---|
4105 | playToggle : function( delay ) { |
---|
4106 | return ( this._playing ) ? this.pause() : this.play( delay ); |
---|
4107 | }, |
---|
4108 | |
---|
4109 | /** |
---|
4110 | Checks if the gallery is currently playing |
---|
4111 | |
---|
4112 | @returns {Boolean} |
---|
4113 | */ |
---|
4114 | |
---|
4115 | isPlaying : function() { |
---|
4116 | return this._playing; |
---|
4117 | }, |
---|
4118 | |
---|
4119 | /** |
---|
4120 | Checks if the gallery is currently in fullscreen mode |
---|
4121 | |
---|
4122 | @returns {Boolean} |
---|
4123 | */ |
---|
4124 | |
---|
4125 | isFullscreen : function() { |
---|
4126 | return this._fullscreen.active; |
---|
4127 | }, |
---|
4128 | |
---|
4129 | _playCheck : function() { |
---|
4130 | var self = this, |
---|
4131 | played = 0, |
---|
4132 | interval = 20, |
---|
4133 | now = Utils.timestamp(), |
---|
4134 | timer_id = 'play' + this._id; |
---|
4135 | |
---|
4136 | if ( this._playing ) { |
---|
4137 | |
---|
4138 | Utils.clearTimer( timer_id ); |
---|
4139 | |
---|
4140 | var fn = function() { |
---|
4141 | |
---|
4142 | played = Utils.timestamp() - now; |
---|
4143 | if ( played >= self._playtime && self._playing ) { |
---|
4144 | Utils.clearTimer( timer_id ); |
---|
4145 | self.next(); |
---|
4146 | return; |
---|
4147 | } |
---|
4148 | if ( self._playing ) { |
---|
4149 | |
---|
4150 | // trigger the PROGRESS event |
---|
4151 | self.trigger({ |
---|
4152 | type: Galleria.PROGRESS, |
---|
4153 | percent: Math.ceil( played / self._playtime * 100 ), |
---|
4154 | seconds: Math.floor( played / 1000 ), |
---|
4155 | milliseconds: played |
---|
4156 | }); |
---|
4157 | |
---|
4158 | Utils.addTimer( timer_id, fn, interval ); |
---|
4159 | } |
---|
4160 | }; |
---|
4161 | Utils.addTimer( timer_id, fn, interval ); |
---|
4162 | } |
---|
4163 | }, |
---|
4164 | |
---|
4165 | /** |
---|
4166 | Modify the slideshow delay |
---|
4167 | |
---|
4168 | @param {number} delay the number of milliseconds between slides, |
---|
4169 | |
---|
4170 | @returns Instance |
---|
4171 | */ |
---|
4172 | |
---|
4173 | setPlaytime: function( delay ) { |
---|
4174 | this._playtime = delay; |
---|
4175 | return this; |
---|
4176 | }, |
---|
4177 | |
---|
4178 | setIndex: function( val ) { |
---|
4179 | this._active = val; |
---|
4180 | return this; |
---|
4181 | }, |
---|
4182 | |
---|
4183 | /** |
---|
4184 | Manually modify the counter |
---|
4185 | |
---|
4186 | @param {number} index Optional data index to fectch, |
---|
4187 | if no index found it assumes the currently active index |
---|
4188 | |
---|
4189 | @returns Instance |
---|
4190 | */ |
---|
4191 | |
---|
4192 | setCounter: function( index ) { |
---|
4193 | |
---|
4194 | if ( typeof index === 'number' ) { |
---|
4195 | index++; |
---|
4196 | } else if ( typeof index === 'undefined' ) { |
---|
4197 | index = this.getIndex()+1; |
---|
4198 | } |
---|
4199 | |
---|
4200 | this.get( 'current' ).innerHTML = index; |
---|
4201 | |
---|
4202 | if ( IE ) { // weird IE bug |
---|
4203 | |
---|
4204 | var count = this.$( 'counter' ), |
---|
4205 | opacity = count.css( 'opacity' ); |
---|
4206 | |
---|
4207 | if ( parseInt( opacity, 10 ) === 1) { |
---|
4208 | Utils.removeAlpha( count[0] ); |
---|
4209 | } else { |
---|
4210 | this.$( 'counter' ).css( 'opacity', opacity ); |
---|
4211 | } |
---|
4212 | |
---|
4213 | } |
---|
4214 | |
---|
4215 | return this; |
---|
4216 | }, |
---|
4217 | |
---|
4218 | /** |
---|
4219 | Manually set captions |
---|
4220 | |
---|
4221 | @param {number} index Optional data index to fectch and apply as caption, |
---|
4222 | if no index found it assumes the currently active index |
---|
4223 | |
---|
4224 | @returns Instance |
---|
4225 | */ |
---|
4226 | |
---|
4227 | setInfo : function( index ) { |
---|
4228 | |
---|
4229 | var self = this, |
---|
4230 | data = this.getData( index ); |
---|
4231 | |
---|
4232 | $.each( ['title','description'], function( i, type ) { |
---|
4233 | |
---|
4234 | var elem = self.$( 'info-' + type ); |
---|
4235 | |
---|
4236 | if ( !!data[type] ) { |
---|
4237 | elem[ data[ type ].length ? 'show' : 'hide' ]().html( data[ type ] ); |
---|
4238 | } else { |
---|
4239 | elem.empty().hide(); |
---|
4240 | } |
---|
4241 | }); |
---|
4242 | |
---|
4243 | return this; |
---|
4244 | }, |
---|
4245 | |
---|
4246 | /** |
---|
4247 | Checks if the data contains any captions |
---|
4248 | |
---|
4249 | @param {number} index Optional data index to fectch, |
---|
4250 | if no index found it assumes the currently active index. |
---|
4251 | |
---|
4252 | @returns {boolean} |
---|
4253 | */ |
---|
4254 | |
---|
4255 | hasInfo : function( index ) { |
---|
4256 | |
---|
4257 | var check = 'title description'.split(' '), |
---|
4258 | i; |
---|
4259 | |
---|
4260 | for ( i = 0; check[i]; i++ ) { |
---|
4261 | if ( !!this.getData( index )[ check[i] ] ) { |
---|
4262 | return true; |
---|
4263 | } |
---|
4264 | } |
---|
4265 | return false; |
---|
4266 | |
---|
4267 | }, |
---|
4268 | |
---|
4269 | jQuery : function( str ) { |
---|
4270 | |
---|
4271 | var self = this, |
---|
4272 | ret = []; |
---|
4273 | |
---|
4274 | $.each( str.split(','), function( i, elemId ) { |
---|
4275 | elemId = $.trim( elemId ); |
---|
4276 | |
---|
4277 | if ( self.get( elemId ) ) { |
---|
4278 | ret.push( elemId ); |
---|
4279 | } |
---|
4280 | }); |
---|
4281 | |
---|
4282 | var jQ = $( self.get( ret.shift() ) ); |
---|
4283 | |
---|
4284 | $.each( ret, function( i, elemId ) { |
---|
4285 | jQ = jQ.add( self.get( elemId ) ); |
---|
4286 | }); |
---|
4287 | |
---|
4288 | return jQ; |
---|
4289 | |
---|
4290 | }, |
---|
4291 | |
---|
4292 | /** |
---|
4293 | Converts element IDs into a jQuery collection |
---|
4294 | You can call for multiple IDs separated with commas. |
---|
4295 | |
---|
4296 | @param {string} str One or more element IDs (comma-separated) |
---|
4297 | |
---|
4298 | @returns jQuery |
---|
4299 | |
---|
4300 | @example this.$('info,container').hide(); |
---|
4301 | */ |
---|
4302 | |
---|
4303 | $ : function( str ) { |
---|
4304 | return this.jQuery.apply( this, Utils.array( arguments ) ); |
---|
4305 | } |
---|
4306 | |
---|
4307 | }; |
---|
4308 | |
---|
4309 | // End of Galleria prototype |
---|
4310 | |
---|
4311 | // Add events as static variables |
---|
4312 | $.each( _events, function( i, ev ) { |
---|
4313 | |
---|
4314 | // legacy events |
---|
4315 | var type = /_/.test( ev ) ? ev.replace( /_/g, '' ) : ev; |
---|
4316 | |
---|
4317 | Galleria[ ev.toUpperCase() ] = 'galleria.'+type; |
---|
4318 | |
---|
4319 | } ); |
---|
4320 | |
---|
4321 | $.extend( Galleria, { |
---|
4322 | |
---|
4323 | // Browser helpers |
---|
4324 | IE9: IE === 9, |
---|
4325 | IE8: IE === 8, |
---|
4326 | IE7: IE === 7, |
---|
4327 | IE6: IE === 6, |
---|
4328 | IE: IE, |
---|
4329 | WEBKIT: /webkit/.test( NAV ), |
---|
4330 | SAFARI: /safari/.test( NAV ), |
---|
4331 | CHROME: /chrome/.test( NAV ), |
---|
4332 | QUIRK: ( IE && doc.compatMode && doc.compatMode === "BackCompat" ), |
---|
4333 | MAC: /mac/.test( navigator.platform.toLowerCase() ), |
---|
4334 | OPERA: !!window.opera, |
---|
4335 | IPHONE: /iphone/.test( NAV ), |
---|
4336 | IPAD: /ipad/.test( NAV ), |
---|
4337 | ANDROID: /android/.test( NAV ), |
---|
4338 | TOUCH: ('ontouchstart' in doc) |
---|
4339 | |
---|
4340 | }); |
---|
4341 | |
---|
4342 | // Galleria static methods |
---|
4343 | |
---|
4344 | /** |
---|
4345 | Adds a theme that you can use for your Gallery |
---|
4346 | |
---|
4347 | @param {Object} theme Object that should contain all your theme settings. |
---|
4348 | <ul> |
---|
4349 | <li>name - name of the theme</li> |
---|
4350 | <li>author - name of the author</li> |
---|
4351 | <li>css - css file name (not path)</li> |
---|
4352 | <li>defaults - default options to apply, including theme-specific options</li> |
---|
4353 | <li>init - the init function</li> |
---|
4354 | </ul> |
---|
4355 | |
---|
4356 | @returns {Object} theme |
---|
4357 | */ |
---|
4358 | |
---|
4359 | Galleria.addTheme = function( theme ) { |
---|
4360 | |
---|
4361 | // make sure we have a name |
---|
4362 | if ( !theme.name ) { |
---|
4363 | Galleria.raise('No theme name specified'); |
---|
4364 | } |
---|
4365 | |
---|
4366 | if ( typeof theme.defaults !== 'object' ) { |
---|
4367 | theme.defaults = {}; |
---|
4368 | } else { |
---|
4369 | theme.defaults = _legacyOptions( theme.defaults ); |
---|
4370 | } |
---|
4371 | |
---|
4372 | var css = false, |
---|
4373 | reg; |
---|
4374 | |
---|
4375 | if ( typeof theme.css === 'string' ) { |
---|
4376 | |
---|
4377 | // look for manually added CSS |
---|
4378 | $('link').each(function( i, link ) { |
---|
4379 | reg = new RegExp( theme.css ); |
---|
4380 | if ( reg.test( link.href ) ) { |
---|
4381 | |
---|
4382 | // we found the css |
---|
4383 | css = true; |
---|
4384 | |
---|
4385 | // the themeload trigger |
---|
4386 | _themeLoad( theme ); |
---|
4387 | |
---|
4388 | return false; |
---|
4389 | } |
---|
4390 | }); |
---|
4391 | |
---|
4392 | // else look for the absolute path and load the CSS dynamic |
---|
4393 | if ( !css ) { |
---|
4394 | |
---|
4395 | $('script').each(function( i, script ) { |
---|
4396 | |
---|
4397 | // look for the theme script |
---|
4398 | reg = new RegExp( 'galleria\\.' + theme.name.toLowerCase() + '\\.' ); |
---|
4399 | if( reg.test( script.src )) { |
---|
4400 | |
---|
4401 | // we have a match |
---|
4402 | css = script.src.replace(/[^\/]*$/, '') + theme.css; |
---|
4403 | |
---|
4404 | Utils.addTimer( "css", function() { |
---|
4405 | Utils.loadCSS( css, 'galleria-theme', function() { |
---|
4406 | |
---|
4407 | // the themeload trigger |
---|
4408 | _themeLoad( theme ); |
---|
4409 | |
---|
4410 | }); |
---|
4411 | }, 1); |
---|
4412 | |
---|
4413 | } |
---|
4414 | }); |
---|
4415 | } |
---|
4416 | |
---|
4417 | if ( !css ) { |
---|
4418 | Galleria.raise('No theme CSS loaded'); |
---|
4419 | } |
---|
4420 | } else { |
---|
4421 | |
---|
4422 | // pass |
---|
4423 | _themeLoad( theme ); |
---|
4424 | } |
---|
4425 | return theme; |
---|
4426 | }; |
---|
4427 | |
---|
4428 | /** |
---|
4429 | loadTheme loads a theme js file and attaches a load event to Galleria |
---|
4430 | |
---|
4431 | @param {string} src The relative path to the theme source file |
---|
4432 | |
---|
4433 | @param {Object} [options] Optional options you want to apply |
---|
4434 | */ |
---|
4435 | |
---|
4436 | Galleria.loadTheme = function( src, options ) { |
---|
4437 | |
---|
4438 | var loaded = false, |
---|
4439 | length = _galleries.length, |
---|
4440 | err = window.setTimeout( function() { |
---|
4441 | Galleria.raise( "Theme at " + src + " could not load, check theme path.", true ); |
---|
4442 | }, 5000 ); |
---|
4443 | |
---|
4444 | // first clear the current theme, if exists |
---|
4445 | Galleria.theme = undef; |
---|
4446 | |
---|
4447 | // load the theme |
---|
4448 | Utils.loadScript( src, function() { |
---|
4449 | |
---|
4450 | window.clearTimeout( err ); |
---|
4451 | |
---|
4452 | // check for existing galleries and reload them with the new theme |
---|
4453 | if ( length ) { |
---|
4454 | |
---|
4455 | // temporary save the new galleries |
---|
4456 | var refreshed = []; |
---|
4457 | |
---|
4458 | // refresh all instances |
---|
4459 | // when adding a new theme to an existing gallery, all options will be resetted but the data will be kept |
---|
4460 | // you can apply new options as a second argument |
---|
4461 | $.each( Galleria.get(), function(i, instance) { |
---|
4462 | |
---|
4463 | // mix the old data and options into the new instance |
---|
4464 | var op = $.extend( instance._original.options, { |
---|
4465 | data_source: instance._data |
---|
4466 | }, options); |
---|
4467 | |
---|
4468 | // remove the old container |
---|
4469 | instance.$('container').remove(); |
---|
4470 | |
---|
4471 | // create a new instance |
---|
4472 | var g = new Galleria(); |
---|
4473 | |
---|
4474 | // move the id |
---|
4475 | g._id = instance._id; |
---|
4476 | |
---|
4477 | // initialize the new instance |
---|
4478 | g.init( instance._original.target, op ); |
---|
4479 | |
---|
4480 | // push the new instance |
---|
4481 | refreshed.push( g ); |
---|
4482 | }); |
---|
4483 | |
---|
4484 | // now overwrite the old holder with the new instances |
---|
4485 | _galleries = refreshed; |
---|
4486 | } |
---|
4487 | |
---|
4488 | }); |
---|
4489 | }; |
---|
4490 | |
---|
4491 | /** |
---|
4492 | Retrieves a Galleria instance. |
---|
4493 | |
---|
4494 | @param {number} [index] Optional index to retrieve. |
---|
4495 | If no index is supplied, the method will return all instances in an array. |
---|
4496 | |
---|
4497 | @returns Instance or Array of instances |
---|
4498 | */ |
---|
4499 | |
---|
4500 | Galleria.get = function( index ) { |
---|
4501 | if ( !!_instances[ index ] ) { |
---|
4502 | return _instances[ index ]; |
---|
4503 | } else if ( typeof index !== 'number' ) { |
---|
4504 | return _instances; |
---|
4505 | } else { |
---|
4506 | Galleria.raise('Gallery index ' + index + ' not found'); |
---|
4507 | } |
---|
4508 | }; |
---|
4509 | |
---|
4510 | /** |
---|
4511 | Creates a transition to be used in your gallery |
---|
4512 | |
---|
4513 | @param {string} name The name of the transition that you will use as an option |
---|
4514 | |
---|
4515 | @param {Function} fn The function to be executed in the transition. |
---|
4516 | The function contains two arguments, params and complete. |
---|
4517 | Use the params Object to integrate the transition, and then call complete when you are done. |
---|
4518 | |
---|
4519 | */ |
---|
4520 | |
---|
4521 | Galleria.addTransition = function( name, fn ) { |
---|
4522 | _transitions[name] = fn; |
---|
4523 | }; |
---|
4524 | |
---|
4525 | /** |
---|
4526 | The Galleria utilites |
---|
4527 | */ |
---|
4528 | |
---|
4529 | Galleria.utils = Utils; |
---|
4530 | |
---|
4531 | /** |
---|
4532 | A helper metod for cross-browser logging. |
---|
4533 | It uses the console log if available otherwise it falls back to alert |
---|
4534 | |
---|
4535 | @example Galleria.log("hello", document.body, [1,2,3]); |
---|
4536 | */ |
---|
4537 | |
---|
4538 | Galleria.log = (function() { |
---|
4539 | if( 'console' in window && 'log' in window.console ) { |
---|
4540 | return window.console.log; |
---|
4541 | } else { |
---|
4542 | return function() { |
---|
4543 | window.alert( Utils.array( arguments ).join(', ') ); |
---|
4544 | }; |
---|
4545 | } |
---|
4546 | }()); |
---|
4547 | |
---|
4548 | /** |
---|
4549 | A ready method for adding callbacks when a gallery is ready |
---|
4550 | Each method is call before the extend option for every instance |
---|
4551 | |
---|
4552 | @param {function} callback The function to call |
---|
4553 | */ |
---|
4554 | |
---|
4555 | Galleria.ready = function( fn ) { |
---|
4556 | $.each( _galleries, function( i, gallery ) { |
---|
4557 | fn.call( gallery, gallery._options ); |
---|
4558 | }); |
---|
4559 | Galleria.ready.callbacks.push( fn ); |
---|
4560 | }; |
---|
4561 | |
---|
4562 | Galleria.ready.callbacks = []; |
---|
4563 | |
---|
4564 | /** |
---|
4565 | Method for raising errors |
---|
4566 | |
---|
4567 | @param {string} msg The message to throw |
---|
4568 | |
---|
4569 | @param {boolean} [fatal] Set this to true to override debug settings and display a fatal error |
---|
4570 | */ |
---|
4571 | |
---|
4572 | Galleria.raise = function( msg, fatal ) { |
---|
4573 | |
---|
4574 | var type = fatal ? 'Fatal error' : 'Error', |
---|
4575 | |
---|
4576 | self = this, |
---|
4577 | |
---|
4578 | echo = function( msg ) { |
---|
4579 | |
---|
4580 | var html = '<div style="padding:4px;margin:0 0 2px;background:#' + |
---|
4581 | ( fatal ? '811' : '222' ) + '";>' + |
---|
4582 | ( fatal ? '<strong>' + type + ': </strong>' : '' ) + |
---|
4583 | msg + '</div>'; |
---|
4584 | |
---|
4585 | $.each( _instances, function() { |
---|
4586 | |
---|
4587 | var cont = this.$( 'errors' ), |
---|
4588 | target = this.$( 'target' ); |
---|
4589 | |
---|
4590 | if ( !cont.length ) { |
---|
4591 | |
---|
4592 | target.css( 'position', 'relative' ); |
---|
4593 | |
---|
4594 | cont = this.addElement( 'errors' ).appendChild( 'target', 'errors' ).$( 'errors' ).css({ |
---|
4595 | color: '#fff', |
---|
4596 | position: 'absolute', |
---|
4597 | top: 0, |
---|
4598 | left: 0, |
---|
4599 | zIndex: 100000 |
---|
4600 | }); |
---|
4601 | } |
---|
4602 | |
---|
4603 | cont.append( html ); |
---|
4604 | |
---|
4605 | }); |
---|
4606 | }; |
---|
4607 | |
---|
4608 | // if debug is on, display errors and throw exception if fatal |
---|
4609 | if ( DEBUG ) { |
---|
4610 | echo( msg ); |
---|
4611 | if ( fatal ) { |
---|
4612 | throw new Error(type + ': ' + msg); |
---|
4613 | } |
---|
4614 | |
---|
4615 | // else just echo a silent generic error if fatal |
---|
4616 | } else if ( fatal ) { |
---|
4617 | if ( _hasError ) { |
---|
4618 | return; |
---|
4619 | } |
---|
4620 | _hasError = true; |
---|
4621 | fatal = false; |
---|
4622 | echo( 'Image gallery could not load.' ); |
---|
4623 | } |
---|
4624 | }; |
---|
4625 | |
---|
4626 | // Add the version |
---|
4627 | Galleria.version = VERSION; |
---|
4628 | |
---|
4629 | /** |
---|
4630 | A method for checking what version of Galleria the user has installed and throws a readable error if the user needs to upgrade. |
---|
4631 | Useful when building plugins that requires a certain version to function. |
---|
4632 | |
---|
4633 | @param {number} version The minimum version required |
---|
4634 | |
---|
4635 | @param {string} [msg] Optional message to display. If not specified, Galleria will throw a generic error. |
---|
4636 | */ |
---|
4637 | |
---|
4638 | Galleria.requires = function( version, msg ) { |
---|
4639 | msg = msg || 'You need to upgrade Galleria to version ' + version + ' to use one or more components.'; |
---|
4640 | if ( Galleria.version < version ) { |
---|
4641 | Galleria.raise(msg, true); |
---|
4642 | } |
---|
4643 | }; |
---|
4644 | |
---|
4645 | /** |
---|
4646 | Adds preload, cache, scale and crop functionality |
---|
4647 | |
---|
4648 | @constructor |
---|
4649 | |
---|
4650 | @requires jQuery |
---|
4651 | |
---|
4652 | @param {number} [id] Optional id to keep track of instances |
---|
4653 | */ |
---|
4654 | |
---|
4655 | Galleria.Picture = function( id ) { |
---|
4656 | |
---|
4657 | // save the id |
---|
4658 | this.id = id || null; |
---|
4659 | |
---|
4660 | // the image should be null until loaded |
---|
4661 | this.image = null; |
---|
4662 | |
---|
4663 | // Create a new container |
---|
4664 | this.container = Utils.create('galleria-image'); |
---|
4665 | |
---|
4666 | // add container styles |
---|
4667 | $( this.container ).css({ |
---|
4668 | overflow: 'hidden', |
---|
4669 | position: 'relative' // for IE Standards mode |
---|
4670 | }); |
---|
4671 | |
---|
4672 | // saves the original measurements |
---|
4673 | this.original = { |
---|
4674 | width: 0, |
---|
4675 | height: 0 |
---|
4676 | }; |
---|
4677 | |
---|
4678 | // flag when the image is ready |
---|
4679 | this.ready = false; |
---|
4680 | |
---|
4681 | // placeholder for the timeout |
---|
4682 | this.tid = null; |
---|
4683 | |
---|
4684 | }; |
---|
4685 | |
---|
4686 | Galleria.Picture.prototype = { |
---|
4687 | |
---|
4688 | // the inherited cache object |
---|
4689 | cache: {}, |
---|
4690 | |
---|
4691 | // show the image on stage |
---|
4692 | show: function() { |
---|
4693 | Utils.show( this.image ); |
---|
4694 | }, |
---|
4695 | |
---|
4696 | // hide the image |
---|
4697 | hide: function() { |
---|
4698 | Utils.moveOut( this.image ); |
---|
4699 | }, |
---|
4700 | |
---|
4701 | clear: function() { |
---|
4702 | this.image = null; |
---|
4703 | }, |
---|
4704 | |
---|
4705 | /** |
---|
4706 | Checks if an image is in cache |
---|
4707 | |
---|
4708 | @param {string} src The image source path, ex '/path/to/img.jpg' |
---|
4709 | |
---|
4710 | @returns {boolean} |
---|
4711 | */ |
---|
4712 | |
---|
4713 | isCached: function( src ) { |
---|
4714 | return !!this.cache[src]; |
---|
4715 | }, |
---|
4716 | |
---|
4717 | /** |
---|
4718 | Preloads an image into the cache |
---|
4719 | |
---|
4720 | @param {string} src The image source path, ex '/path/to/img.jpg' |
---|
4721 | |
---|
4722 | @returns Galleria.Picture |
---|
4723 | */ |
---|
4724 | |
---|
4725 | preload: function( src ) { |
---|
4726 | $( new Image() ).load((function(src, cache) { |
---|
4727 | return function() { |
---|
4728 | cache[ src ] = src; |
---|
4729 | }; |
---|
4730 | }( src, this.cache ))).attr( 'src', src ); |
---|
4731 | }, |
---|
4732 | |
---|
4733 | /** |
---|
4734 | Loads an image and call the callback when ready. |
---|
4735 | Will also add the image to cache. |
---|
4736 | |
---|
4737 | @param {string} src The image source path, ex '/path/to/img.jpg' |
---|
4738 | @param {Function} callback The function to be executed when the image is loaded & scaled |
---|
4739 | |
---|
4740 | @returns The image container (jQuery object) |
---|
4741 | */ |
---|
4742 | |
---|
4743 | load: function(src, callback) { |
---|
4744 | |
---|
4745 | // set a load timeout for debugging |
---|
4746 | this.tid = window.setTimeout( (function(src) { |
---|
4747 | return function() { |
---|
4748 | Galleria.raise('Image not loaded in ' + Math.round( TIMEOUT/1000 ) + ' seconds: '+ src); |
---|
4749 | }; |
---|
4750 | }( src )), TIMEOUT ); |
---|
4751 | |
---|
4752 | this.image = new Image(); |
---|
4753 | |
---|
4754 | var i = 0, |
---|
4755 | reload = false, |
---|
4756 | |
---|
4757 | // some jquery cache |
---|
4758 | $container = $( this.container ), |
---|
4759 | $image = $( this.image ), |
---|
4760 | |
---|
4761 | // the onload method |
---|
4762 | onload = (function( self, callback, src ) { |
---|
4763 | |
---|
4764 | return function() { |
---|
4765 | |
---|
4766 | var complete = function() { |
---|
4767 | |
---|
4768 | $( this ).unbind( 'load' ); |
---|
4769 | |
---|
4770 | // save the original size |
---|
4771 | self.original = { |
---|
4772 | height: this.height, |
---|
4773 | width: this.width |
---|
4774 | }; |
---|
4775 | |
---|
4776 | self.cache[ src ] = src; // will override old cache |
---|
4777 | |
---|
4778 | // clear the debug timeout |
---|
4779 | window.clearTimeout( self.tid ); |
---|
4780 | |
---|
4781 | if (typeof callback == 'function' ) { |
---|
4782 | window.setTimeout(function() { |
---|
4783 | callback.call( self, self ); |
---|
4784 | },1); |
---|
4785 | } |
---|
4786 | }; |
---|
4787 | |
---|
4788 | // Delay the callback to "fix" the Adblock Bug |
---|
4789 | // http://code.google.com/p/adblockforchrome/issues/detail?id=3701 |
---|
4790 | if ( ( !this.width || !this.height ) ) { |
---|
4791 | window.setTimeout( (function( img ) { |
---|
4792 | return function() { |
---|
4793 | if ( img.width && img.height ) { |
---|
4794 | complete.call( img ); |
---|
4795 | } else { |
---|
4796 | Galleria.raise('Could not extract width/height from image: ' + img.src + |
---|
4797 | '. Traced measures: width:' + img.width + 'px, height: ' + img.height + 'px.'); |
---|
4798 | } |
---|
4799 | }; |
---|
4800 | }( this )), 2); |
---|
4801 | } else { |
---|
4802 | complete.call( this ); |
---|
4803 | } |
---|
4804 | }; |
---|
4805 | }( this, callback, src )); |
---|
4806 | |
---|
4807 | // remove any previous images |
---|
4808 | $container.find( 'img' ).remove(); |
---|
4809 | |
---|
4810 | // append the image |
---|
4811 | $image.css( 'display', 'block').appendTo( this.container ); |
---|
4812 | |
---|
4813 | // hide it for now |
---|
4814 | Utils.hide( this.image ); |
---|
4815 | |
---|
4816 | if ( this.cache[ src ] ) { |
---|
4817 | |
---|
4818 | // quick load on cache |
---|
4819 | $( this.image ).load( onload ).attr( 'src', src ); |
---|
4820 | |
---|
4821 | return this.container; |
---|
4822 | } |
---|
4823 | |
---|
4824 | // begin load and insert in cache when done |
---|
4825 | $( this.image ).load( onload ).error( function() { |
---|
4826 | if ( !reload ) { |
---|
4827 | reload = true; |
---|
4828 | // reload the image with a timestamp |
---|
4829 | window.setTimeout((function(image, src) { |
---|
4830 | return function() { |
---|
4831 | image.attr('src', src + '?' + Utils.timestamp() ); |
---|
4832 | }; |
---|
4833 | }( $(this), src )), 50); |
---|
4834 | } else { |
---|
4835 | // apply the dummy image if it exists |
---|
4836 | if ( DUMMY ) { |
---|
4837 | $( this ).attr( 'src', DUMMY ); |
---|
4838 | } else { |
---|
4839 | Galleria.raise('Image not found: ' + src); |
---|
4840 | } |
---|
4841 | } |
---|
4842 | }).attr( 'src', src ); |
---|
4843 | |
---|
4844 | // return the container |
---|
4845 | return this.container; |
---|
4846 | }, |
---|
4847 | |
---|
4848 | /** |
---|
4849 | Scales and crops the image |
---|
4850 | |
---|
4851 | @param {Object} options The method takes an object with a number of options: |
---|
4852 | |
---|
4853 | <ul> |
---|
4854 | <li>width - width of the container</li> |
---|
4855 | <li>height - height of the container</li> |
---|
4856 | <li>min - minimum scale ratio</li> |
---|
4857 | <li>max - maximum scale ratio</li> |
---|
4858 | <li>margin - distance in pixels from the image border to the container</li> |
---|
4859 | <li>complete - a callback that fires when scaling is complete</li> |
---|
4860 | <li>position - positions the image, works like the css background-image property.</li> |
---|
4861 | <li>crop - defines how to crop. Can be true, false, 'width' or 'height'</li> |
---|
4862 | <li>canvas - set to true to try a canvas-based rescale</li> |
---|
4863 | </ul> |
---|
4864 | |
---|
4865 | @returns The image container object (jQuery) |
---|
4866 | */ |
---|
4867 | |
---|
4868 | scale: function( options ) { |
---|
4869 | |
---|
4870 | // extend some defaults |
---|
4871 | options = $.extend({ |
---|
4872 | width: 0, |
---|
4873 | height: 0, |
---|
4874 | min: undef, |
---|
4875 | max: undef, |
---|
4876 | margin: 0, |
---|
4877 | complete: function() {}, |
---|
4878 | position: 'center', |
---|
4879 | crop: false, |
---|
4880 | canvas: false |
---|
4881 | }, options); |
---|
4882 | |
---|
4883 | // return the element if no image found |
---|
4884 | if (!this.image) { |
---|
4885 | return this.container; |
---|
4886 | } |
---|
4887 | |
---|
4888 | // store locale variables |
---|
4889 | var width, |
---|
4890 | height, |
---|
4891 | self = this, |
---|
4892 | $container = $( self.container ), |
---|
4893 | data; |
---|
4894 | |
---|
4895 | // wait for the width/height |
---|
4896 | Utils.wait({ |
---|
4897 | until: function() { |
---|
4898 | width = options.width || |
---|
4899 | $container.width() || |
---|
4900 | Utils.parseValue( $container.css('width') ); |
---|
4901 | |
---|
4902 | height = options.height || |
---|
4903 | $container.height() || |
---|
4904 | Utils.parseValue( $container.css('height') ); |
---|
4905 | |
---|
4906 | return width && height; |
---|
4907 | }, |
---|
4908 | success: function() { |
---|
4909 | // calculate some cropping |
---|
4910 | var newWidth = ( width - options.margin * 2 ) / self.original.width, |
---|
4911 | newHeight = ( height - options.margin * 2 ) / self.original.height, |
---|
4912 | cropMap = { |
---|
4913 | 'true' : Math.max( newWidth, newHeight ), |
---|
4914 | 'width' : newWidth, |
---|
4915 | 'height': newHeight, |
---|
4916 | 'false' : Math.min( newWidth, newHeight ) |
---|
4917 | }, |
---|
4918 | ratio = cropMap[ options.crop.toString() ], |
---|
4919 | canvasKey = ''; |
---|
4920 | |
---|
4921 | // allow max_scale_ratio |
---|
4922 | if ( options.max ) { |
---|
4923 | ratio = Math.min( options.max, ratio ); |
---|
4924 | } |
---|
4925 | |
---|
4926 | // allow min_scale_ratio |
---|
4927 | if ( options.min ) { |
---|
4928 | ratio = Math.max( options.min, ratio ); |
---|
4929 | } |
---|
4930 | |
---|
4931 | $.each( ['width','height'], function( i, m ) { |
---|
4932 | $( self.image )[ m ]( self[ m ] = self.image[ m ] = Math.round( self.original[ m ] * ratio ) ); |
---|
4933 | }); |
---|
4934 | |
---|
4935 | $( self.container ).width( width ).height( height ); |
---|
4936 | |
---|
4937 | if ( options.canvas && _canvas ) { |
---|
4938 | |
---|
4939 | _canvas.elem.width = self.width; |
---|
4940 | _canvas.elem.height = self.height; |
---|
4941 | |
---|
4942 | canvasKey = self.image.src + ':' + self.width + 'x' + self.height; |
---|
4943 | |
---|
4944 | self.image.src = _canvas.cache[ canvasKey ] || (function( key ) { |
---|
4945 | |
---|
4946 | _canvas.context.drawImage(self.image, 0, 0, self.original.width*ratio, self.original.height*ratio); |
---|
4947 | |
---|
4948 | try { |
---|
4949 | |
---|
4950 | data = _canvas.elem.toDataURL(); |
---|
4951 | _canvas.length += data.length; |
---|
4952 | _canvas.cache[ key ] = data; |
---|
4953 | return data; |
---|
4954 | |
---|
4955 | } catch( e ) { |
---|
4956 | return self.image.src; |
---|
4957 | } |
---|
4958 | |
---|
4959 | }( canvasKey ) ); |
---|
4960 | |
---|
4961 | } |
---|
4962 | |
---|
4963 | // calculate image_position |
---|
4964 | var pos = {}, |
---|
4965 | mix = {}, |
---|
4966 | getPosition = function(value, measure, margin) { |
---|
4967 | var result = 0; |
---|
4968 | if (/\%/.test(value)) { |
---|
4969 | var flt = parseInt( value, 10 ) / 100, |
---|
4970 | m = self.image[ measure ] || $( self.image )[ measure ](); |
---|
4971 | |
---|
4972 | result = Math.ceil( m * -1 * flt + margin * flt ); |
---|
4973 | } else { |
---|
4974 | result = Utils.parseValue( value ); |
---|
4975 | } |
---|
4976 | return result; |
---|
4977 | }, |
---|
4978 | positionMap = { |
---|
4979 | 'top': { top: 0 }, |
---|
4980 | 'left': { left: 0 }, |
---|
4981 | 'right': { left: '100%' }, |
---|
4982 | 'bottom': { top: '100%' } |
---|
4983 | }; |
---|
4984 | |
---|
4985 | $.each( options.position.toLowerCase().split(' '), function( i, value ) { |
---|
4986 | if ( value === 'center' ) { |
---|
4987 | value = '50%'; |
---|
4988 | } |
---|
4989 | pos[i ? 'top' : 'left'] = value; |
---|
4990 | }); |
---|
4991 | |
---|
4992 | $.each( pos, function( i, value ) { |
---|
4993 | if ( positionMap.hasOwnProperty( value ) ) { |
---|
4994 | $.extend( mix, positionMap[ value ] ); |
---|
4995 | } |
---|
4996 | }); |
---|
4997 | |
---|
4998 | pos = pos.top ? $.extend( pos, mix ) : mix; |
---|
4999 | |
---|
5000 | pos = $.extend({ |
---|
5001 | top: '50%', |
---|
5002 | left: '50%' |
---|
5003 | }, pos); |
---|
5004 | |
---|
5005 | // apply position |
---|
5006 | $( self.image ).css({ |
---|
5007 | position : 'absolute', |
---|
5008 | top : getPosition(pos.top, 'height', height), |
---|
5009 | left : getPosition(pos.left, 'width', width) |
---|
5010 | }); |
---|
5011 | |
---|
5012 | // show the image |
---|
5013 | self.show(); |
---|
5014 | |
---|
5015 | // flag ready and call the callback |
---|
5016 | self.ready = true; |
---|
5017 | options.complete.call( self, self ); |
---|
5018 | |
---|
5019 | }, |
---|
5020 | error: function() { |
---|
5021 | Galleria.raise('Could not scale image: '+self.image.src); |
---|
5022 | }, |
---|
5023 | timeout: 1000 |
---|
5024 | }); |
---|
5025 | return this; |
---|
5026 | } |
---|
5027 | }; |
---|
5028 | |
---|
5029 | // our own easings |
---|
5030 | $.extend( $.easing, { |
---|
5031 | |
---|
5032 | galleria: function (_, t, b, c, d) { |
---|
5033 | if ((t/=d/2) < 1) { |
---|
5034 | return c/2*t*t*t + b; |
---|
5035 | } |
---|
5036 | return c/2*((t-=2)*t*t + 2) + b; |
---|
5037 | }, |
---|
5038 | |
---|
5039 | galleriaIn: function (_, t, b, c, d) { |
---|
5040 | return c*(t/=d)*t + b; |
---|
5041 | }, |
---|
5042 | |
---|
5043 | galleriaOut: function (_, t, b, c, d) { |
---|
5044 | return -c *(t/=d)*(t-2) + b; |
---|
5045 | } |
---|
5046 | |
---|
5047 | }); |
---|
5048 | |
---|
5049 | // the plugin initializer |
---|
5050 | $.fn.galleria = function( options ) { |
---|
5051 | |
---|
5052 | return this.each(function() { |
---|
5053 | $( this ).data( 'galleria', new Galleria().init( this, options ) ); |
---|
5054 | }); |
---|
5055 | |
---|
5056 | }; |
---|
5057 | |
---|
5058 | // phew |
---|
5059 | |
---|
5060 | }( jQuery ) ); |
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