1 | /* |
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2 | * jQuery UI Accordion 1.6 |
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3 | * |
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4 | * Copyright (c) 2007 Jörn Zaefferer |
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5 | * |
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6 | * http://docs.jquery.com/UI/Accordion |
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7 | * |
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8 | * Dual licensed under the MIT and GPL licenses: |
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9 | * http://www.opensource.org/licenses/mit-license.php |
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10 | * http://www.gnu.org/licenses/gpl.html |
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11 | * |
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12 | * Revision: $Id: jquery.accordion.js 2313 2008-04-26 13:19:24Z vdigital $ |
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13 | * |
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14 | */ |
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15 | |
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16 | ;(function($) { |
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17 | |
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18 | // If the UI scope is not available, add it |
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19 | $.ui = $.ui || {}; |
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20 | |
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21 | $.fn.extend({ |
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22 | accordion: function(options, data) { |
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23 | var args = Array.prototype.slice.call(arguments, 1); |
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24 | |
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25 | return this.each(function() { |
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26 | if (typeof options == "string") { |
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27 | var accordion = $.data(this, "ui-accordion"); |
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28 | accordion[options].apply(accordion, args); |
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29 | // INIT with optional options |
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30 | } else if (!$(this).is(".ui-accordion")) |
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31 | $.data(this, "ui-accordion", new $.ui.accordion(this, options)); |
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32 | }); |
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33 | }, |
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34 | // deprecated, use accordion("activate", index) instead |
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35 | activate: function(index) { |
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36 | return this.accordion("activate", index); |
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37 | } |
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38 | }); |
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39 | |
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40 | $.ui.accordion = function(container, options) { |
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41 | |
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42 | // setup configuration |
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43 | this.options = options = $.extend({}, $.ui.accordion.defaults, options); |
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44 | this.element = container; |
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45 | |
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46 | $(container).addClass("ui-accordion"); |
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47 | |
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48 | if ( options.navigation ) { |
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49 | var current = $(container).find("a").filter(options.navigationFilter); |
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50 | if ( current.length ) { |
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51 | if ( current.filter(options.header).length ) { |
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52 | options.active = current; |
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53 | } else { |
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54 | options.active = current.parent().parent().prev(); |
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55 | current.addClass("current"); |
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56 | } |
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57 | } |
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58 | } |
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59 | |
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60 | // calculate active if not specified, using the first header |
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61 | options.headers = $(container).find(options.header); |
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62 | options.active = findActive(options.headers, options.active); |
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63 | |
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64 | if ( options.fillSpace ) { |
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65 | var maxHeight = $(container).parent().height(); |
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66 | options.headers.each(function() { |
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67 | maxHeight -= $(this).outerHeight(); |
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68 | }); |
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69 | var maxPadding = 0; |
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70 | options.headers.next().each(function() { |
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71 | maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height()); |
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72 | }).height(maxHeight - maxPadding); |
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73 | } else if ( options.autoheight ) { |
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74 | var maxHeight = 0; |
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75 | options.headers.next().each(function() { |
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76 | maxHeight = Math.max(maxHeight, $(this).outerHeight()); |
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77 | }).height(maxHeight); |
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78 | } |
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79 | |
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80 | options.headers |
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81 | .not(options.active || "") |
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82 | .next() |
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83 | .hide(); |
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84 | options.active.parent().andSelf().addClass(options.selectedClass); |
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85 | |
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86 | if (options.event) |
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87 | $(container).bind((options.event) + ".ui-accordion", clickHandler); |
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88 | }; |
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89 | |
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90 | $.ui.accordion.prototype = { |
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91 | activate: function(index) { |
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92 | // call clickHandler with custom event |
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93 | clickHandler.call(this.element, { |
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94 | target: findActive( this.options.headers, index )[0] |
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95 | }); |
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96 | }, |
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97 | |
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98 | enable: function() { |
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99 | this.options.disabled = false; |
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100 | }, |
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101 | disable: function() { |
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102 | this.options.disabled = true; |
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103 | }, |
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104 | destroy: function() { |
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105 | this.options.headers.next().css("display", ""); |
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106 | if ( this.options.fillSpace || this.options.autoheight ) { |
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107 | this.options.headers.next().css("height", ""); |
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108 | } |
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109 | $.removeData(this.element, "ui-accordion"); |
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110 | $(this.element).removeClass("ui-accordion").unbind(".ui-accordion"); |
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111 | } |
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112 | } |
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113 | |
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114 | function scopeCallback(callback, scope) { |
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115 | return function() { |
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116 | return callback.apply(scope, arguments); |
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117 | }; |
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118 | } |
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119 | |
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120 | function completed(cancel) { |
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121 | // if removed while animated data can be empty |
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122 | if (!$.data(this, "ui-accordion")) |
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123 | return; |
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124 | var instance = $.data(this, "ui-accordion"); |
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125 | var options = instance.options; |
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126 | options.running = cancel ? 0 : --options.running; |
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127 | if ( options.running ) |
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128 | return; |
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129 | if ( options.clearStyle ) { |
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130 | options.toShow.add(options.toHide).css({ |
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131 | height: "", |
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132 | overflow: "" |
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133 | }); |
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134 | } |
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135 | $(this).triggerHandler("change.ui-accordion", [options.data], options.change); |
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136 | } |
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137 | |
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138 | function toggle(toShow, toHide, data, clickedActive, down) { |
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139 | var options = $.data(this, "ui-accordion").options; |
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140 | options.toShow = toShow; |
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141 | options.toHide = toHide; |
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142 | options.data = data; |
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143 | var complete = scopeCallback(completed, this); |
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144 | |
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145 | // count elements to animate |
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146 | options.running = toHide.size() == 0 ? toShow.size() : toHide.size(); |
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147 | |
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148 | if ( options.animated ) { |
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149 | if ( !options.alwaysOpen && clickedActive ) { |
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150 | $.ui.accordion.animations[options.animated]({ |
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151 | toShow: jQuery([]), |
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152 | toHide: toHide, |
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153 | complete: complete, |
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154 | down: down, |
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155 | autoheight: options.autoheight |
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156 | }); |
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157 | } else { |
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158 | $.ui.accordion.animations[options.animated]({ |
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159 | toShow: toShow, |
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160 | toHide: toHide, |
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161 | complete: complete, |
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162 | down: down, |
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163 | autoheight: options.autoheight |
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164 | }); |
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165 | } |
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166 | } else { |
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167 | if ( !options.alwaysOpen && clickedActive ) { |
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168 | toShow.toggle(); |
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169 | } else { |
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170 | toHide.hide(); |
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171 | toShow.show(); |
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172 | } |
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173 | complete(true); |
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174 | } |
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175 | } |
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176 | |
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177 | function clickHandler(event) { |
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178 | var options = $.data(this, "ui-accordion").options; |
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179 | if (options.disabled) |
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180 | return false; |
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181 | |
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182 | // called only when using activate(false) to close all parts programmatically |
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183 | if ( !event.target && !options.alwaysOpen ) { |
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184 | options.active.parent().andSelf().toggleClass(options.selectedClass); |
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185 | var toHide = options.active.next(), |
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186 | data = { |
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187 | instance: this, |
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188 | options: options, |
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189 | newHeader: jQuery([]), |
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190 | oldHeader: options.active, |
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191 | newContent: jQuery([]), |
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192 | oldContent: toHide |
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193 | }, |
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194 | toShow = options.active = $([]); |
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195 | toggle.call(this, toShow, toHide, data ); |
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196 | return false; |
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197 | } |
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198 | // get the click target |
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199 | var clicked = $(event.target); |
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200 | |
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201 | // due to the event delegation model, we have to check if one |
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202 | // of the parent elements is our actual header, and find that |
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203 | if ( clicked.parents(options.header).length ) |
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204 | while ( !clicked.is(options.header) ) |
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205 | clicked = clicked.parent(); |
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206 | |
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207 | var clickedActive = clicked[0] == options.active[0]; |
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208 | |
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209 | // if animations are still active, or the active header is the target, ignore click |
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210 | if (options.running || (options.alwaysOpen && clickedActive)) |
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211 | return false; |
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212 | if (!clicked.is(options.header)) |
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213 | return; |
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214 | |
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215 | // switch classes |
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216 | options.active.parent().andSelf().toggleClass(options.selectedClass); |
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217 | if ( !clickedActive ) { |
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218 | clicked.parent().andSelf().addClass(options.selectedClass); |
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219 | } |
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220 | |
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221 | // find elements to show and hide |
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222 | var toShow = clicked.next(), |
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223 | toHide = options.active.next(), |
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224 | //data = [clicked, options.active, toShow, toHide], |
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225 | data = { |
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226 | instance: this, |
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227 | options: options, |
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228 | newHeader: clicked, |
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229 | oldHeader: options.active, |
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230 | newContent: toShow, |
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231 | oldContent: toHide |
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232 | }, |
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233 | down = options.headers.index( options.active[0] ) > options.headers.index( clicked[0] ); |
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234 | |
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235 | options.active = clickedActive ? $([]) : clicked; |
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236 | toggle.call(this, toShow, toHide, data, clickedActive, down ); |
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237 | |
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238 | return false; |
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239 | }; |
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240 | |
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241 | function findActive(headers, selector) { |
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242 | return selector != undefined |
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243 | ? typeof selector == "number" |
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244 | ? headers.filter(":eq(" + selector + ")") |
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245 | : headers.not(headers.not(selector)) |
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246 | : selector === false |
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247 | ? $([]) |
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248 | : headers.filter(":eq(0)"); |
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249 | } |
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250 | |
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251 | $.extend($.ui.accordion, { |
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252 | defaults: { |
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253 | selectedClass: "selected", |
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254 | alwaysOpen: true, |
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255 | animated: 'slide', |
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256 | event: "click", |
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257 | header: "a", |
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258 | autoheight: true, |
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259 | running: 0, |
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260 | navigationFilter: function() { |
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261 | return this.href.toLowerCase() == location.href.toLowerCase(); |
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262 | } |
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263 | }, |
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264 | animations: { |
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265 | slide: function(options, additions) { |
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266 | options = $.extend({ |
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267 | easing: "swing", |
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268 | duration: 300 |
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269 | }, options, additions); |
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270 | if ( !options.toHide.size() ) { |
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271 | options.toShow.animate({height: "show"}, options); |
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272 | return; |
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273 | } |
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274 | var hideHeight = options.toHide.height(), |
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275 | showHeight = options.toShow.height(), |
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276 | difference = showHeight / hideHeight; |
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277 | options.toShow.css({ height: 0, overflow: 'hidden' }).show(); |
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278 | options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{ |
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279 | step: function(now) { |
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280 | var current = (hideHeight - now) * difference; |
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281 | if ($.browser.msie || $.browser.opera) { |
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282 | current = Math.ceil(current); |
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283 | } |
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284 | options.toShow.height( current ); |
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285 | }, |
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286 | duration: options.duration, |
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287 | easing: options.easing, |
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288 | complete: function() { |
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289 | if ( !options.autoheight ) { |
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290 | options.toShow.css("height", "auto"); |
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291 | } |
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292 | options.complete(); |
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293 | } |
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294 | }); |
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295 | }, |
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296 | bounceslide: function(options) { |
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297 | this.slide(options, { |
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298 | easing: options.down ? "bounceout" : "swing", |
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299 | duration: options.down ? 1000 : 200 |
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300 | }); |
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301 | }, |
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302 | easeslide: function(options) { |
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303 | this.slide(options, { |
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304 | easing: "easeinout", |
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305 | duration: 700 |
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306 | }) |
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307 | } |
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308 | } |
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309 | }); |
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310 | |
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311 | })(jQuery); |
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