1 | /* |
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2 | * jQuery UI Accordion 1.8.16 |
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3 | * |
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4 | * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about) |
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5 | * Dual licensed under the MIT or GPL Version 2 licenses. |
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6 | * http://jquery.org/license |
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7 | * |
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8 | * http://docs.jquery.com/UI/Accordion |
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9 | * |
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10 | * Depends: |
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11 | * jquery.ui.core.js |
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12 | * jquery.ui.widget.js |
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13 | */ |
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14 | (function( $, undefined ) { |
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15 | |
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16 | $.widget( "ui.accordion", { |
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17 | options: { |
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18 | active: 0, |
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19 | animated: "slide", |
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20 | autoHeight: true, |
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21 | clearStyle: false, |
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22 | collapsible: false, |
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23 | event: "click", |
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24 | fillSpace: false, |
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25 | header: "> li > :first-child,> :not(li):even", |
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26 | icons: { |
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27 | header: "ui-icon-triangle-1-e", |
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28 | headerSelected: "ui-icon-triangle-1-s" |
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29 | }, |
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30 | navigation: false, |
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31 | navigationFilter: function() { |
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32 | return this.href.toLowerCase() === location.href.toLowerCase(); |
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33 | } |
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34 | }, |
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35 | |
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36 | _create: function() { |
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37 | var self = this, |
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38 | options = self.options; |
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39 | |
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40 | self.running = 0; |
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41 | |
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42 | self.element |
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43 | .addClass( "ui-accordion ui-widget ui-helper-reset" ) |
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44 | // in lack of child-selectors in CSS |
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45 | // we need to mark top-LIs in a UL-accordion for some IE-fix |
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46 | .children( "li" ) |
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47 | .addClass( "ui-accordion-li-fix" ); |
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48 | |
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49 | self.headers = self.element.find( options.header ) |
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50 | .addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" ) |
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51 | .bind( "mouseenter.accordion", function() { |
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52 | if ( options.disabled ) { |
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53 | return; |
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54 | } |
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55 | $( this ).addClass( "ui-state-hover" ); |
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56 | }) |
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57 | .bind( "mouseleave.accordion", function() { |
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58 | if ( options.disabled ) { |
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59 | return; |
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60 | } |
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61 | $( this ).removeClass( "ui-state-hover" ); |
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62 | }) |
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63 | .bind( "focus.accordion", function() { |
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64 | if ( options.disabled ) { |
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65 | return; |
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66 | } |
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67 | $( this ).addClass( "ui-state-focus" ); |
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68 | }) |
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69 | .bind( "blur.accordion", function() { |
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70 | if ( options.disabled ) { |
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71 | return; |
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72 | } |
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73 | $( this ).removeClass( "ui-state-focus" ); |
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74 | }); |
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75 | |
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76 | self.headers.next() |
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77 | .addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" ); |
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78 | |
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79 | if ( options.navigation ) { |
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80 | var current = self.element.find( "a" ).filter( options.navigationFilter ).eq( 0 ); |
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81 | if ( current.length ) { |
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82 | var header = current.closest( ".ui-accordion-header" ); |
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83 | if ( header.length ) { |
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84 | // anchor within header |
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85 | self.active = header; |
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86 | } else { |
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87 | // anchor within content |
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88 | self.active = current.closest( ".ui-accordion-content" ).prev(); |
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89 | } |
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90 | } |
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91 | } |
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92 | |
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93 | self.active = self._findActive( self.active || options.active ) |
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94 | .addClass( "ui-state-default ui-state-active" ) |
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95 | .toggleClass( "ui-corner-all" ) |
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96 | .toggleClass( "ui-corner-top" ); |
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97 | self.active.next().addClass( "ui-accordion-content-active" ); |
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98 | |
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99 | self._createIcons(); |
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100 | self.resize(); |
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101 | |
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102 | // ARIA |
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103 | self.element.attr( "role", "tablist" ); |
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104 | |
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105 | self.headers |
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106 | .attr( "role", "tab" ) |
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107 | .bind( "keydown.accordion", function( event ) { |
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108 | return self._keydown( event ); |
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109 | }) |
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110 | .next() |
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111 | .attr( "role", "tabpanel" ); |
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112 | |
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113 | self.headers |
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114 | .not( self.active || "" ) |
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115 | .attr({ |
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116 | "aria-expanded": "false", |
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117 | "aria-selected": "false", |
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118 | tabIndex: -1 |
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119 | }) |
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120 | .next() |
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121 | .hide(); |
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122 | |
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123 | // make sure at least one header is in the tab order |
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124 | if ( !self.active.length ) { |
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125 | self.headers.eq( 0 ).attr( "tabIndex", 0 ); |
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126 | } else { |
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127 | self.active |
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128 | .attr({ |
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129 | "aria-expanded": "true", |
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130 | "aria-selected": "true", |
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131 | tabIndex: 0 |
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132 | }); |
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133 | } |
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134 | |
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135 | // only need links in tab order for Safari |
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136 | if ( !$.browser.safari ) { |
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137 | self.headers.find( "a" ).attr( "tabIndex", -1 ); |
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138 | } |
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139 | |
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140 | if ( options.event ) { |
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141 | self.headers.bind( options.event.split(" ").join(".accordion ") + ".accordion", function(event) { |
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142 | self._clickHandler.call( self, event, this ); |
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143 | event.preventDefault(); |
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144 | }); |
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145 | } |
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146 | }, |
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147 | |
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148 | _createIcons: function() { |
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149 | var options = this.options; |
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150 | if ( options.icons ) { |
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151 | $( "<span></span>" ) |
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152 | .addClass( "ui-icon " + options.icons.header ) |
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153 | .prependTo( this.headers ); |
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154 | this.active.children( ".ui-icon" ) |
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155 | .toggleClass(options.icons.header) |
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156 | .toggleClass(options.icons.headerSelected); |
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157 | this.element.addClass( "ui-accordion-icons" ); |
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158 | } |
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159 | }, |
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160 | |
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161 | _destroyIcons: function() { |
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162 | this.headers.children( ".ui-icon" ).remove(); |
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163 | this.element.removeClass( "ui-accordion-icons" ); |
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164 | }, |
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165 | |
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166 | destroy: function() { |
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167 | var options = this.options; |
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168 | |
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169 | this.element |
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170 | .removeClass( "ui-accordion ui-widget ui-helper-reset" ) |
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171 | .removeAttr( "role" ); |
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172 | |
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173 | this.headers |
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174 | .unbind( ".accordion" ) |
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175 | .removeClass( "ui-accordion-header ui-accordion-disabled ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top" ) |
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176 | .removeAttr( "role" ) |
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177 | .removeAttr( "aria-expanded" ) |
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178 | .removeAttr( "aria-selected" ) |
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179 | .removeAttr( "tabIndex" ); |
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180 | |
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181 | this.headers.find( "a" ).removeAttr( "tabIndex" ); |
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182 | this._destroyIcons(); |
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183 | var contents = this.headers.next() |
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184 | .css( "display", "" ) |
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185 | .removeAttr( "role" ) |
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186 | .removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-accordion-disabled ui-state-disabled" ); |
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187 | if ( options.autoHeight || options.fillHeight ) { |
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188 | contents.css( "height", "" ); |
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189 | } |
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190 | |
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191 | return $.Widget.prototype.destroy.call( this ); |
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192 | }, |
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193 | |
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194 | _setOption: function( key, value ) { |
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195 | $.Widget.prototype._setOption.apply( this, arguments ); |
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196 | |
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197 | if ( key == "active" ) { |
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198 | this.activate( value ); |
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199 | } |
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200 | if ( key == "icons" ) { |
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201 | this._destroyIcons(); |
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202 | if ( value ) { |
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203 | this._createIcons(); |
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204 | } |
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205 | } |
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206 | // #5332 - opacity doesn't cascade to positioned elements in IE |
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207 | // so we need to add the disabled class to the headers and panels |
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208 | if ( key == "disabled" ) { |
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209 | this.headers.add(this.headers.next()) |
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210 | [ value ? "addClass" : "removeClass" ]( |
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211 | "ui-accordion-disabled ui-state-disabled" ); |
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212 | } |
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213 | }, |
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214 | |
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215 | _keydown: function( event ) { |
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216 | if ( this.options.disabled || event.altKey || event.ctrlKey ) { |
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217 | return; |
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218 | } |
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219 | |
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220 | var keyCode = $.ui.keyCode, |
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221 | length = this.headers.length, |
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222 | currentIndex = this.headers.index( event.target ), |
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223 | toFocus = false; |
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224 | |
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225 | switch ( event.keyCode ) { |
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226 | case keyCode.RIGHT: |
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227 | case keyCode.DOWN: |
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228 | toFocus = this.headers[ ( currentIndex + 1 ) % length ]; |
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229 | break; |
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230 | case keyCode.LEFT: |
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231 | case keyCode.UP: |
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232 | toFocus = this.headers[ ( currentIndex - 1 + length ) % length ]; |
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233 | break; |
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234 | case keyCode.SPACE: |
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235 | case keyCode.ENTER: |
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236 | this._clickHandler( { target: event.target }, event.target ); |
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237 | event.preventDefault(); |
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238 | } |
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239 | |
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240 | if ( toFocus ) { |
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241 | $( event.target ).attr( "tabIndex", -1 ); |
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242 | $( toFocus ).attr( "tabIndex", 0 ); |
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243 | toFocus.focus(); |
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244 | return false; |
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245 | } |
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246 | |
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247 | return true; |
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248 | }, |
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249 | |
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250 | resize: function() { |
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251 | var options = this.options, |
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252 | maxHeight; |
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253 | |
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254 | if ( options.fillSpace ) { |
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255 | if ( $.browser.msie ) { |
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256 | var defOverflow = this.element.parent().css( "overflow" ); |
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257 | this.element.parent().css( "overflow", "hidden"); |
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258 | } |
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259 | maxHeight = this.element.parent().height(); |
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260 | if ($.browser.msie) { |
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261 | this.element.parent().css( "overflow", defOverflow ); |
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262 | } |
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263 | |
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264 | this.headers.each(function() { |
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265 | maxHeight -= $( this ).outerHeight( true ); |
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266 | }); |
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267 | |
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268 | this.headers.next() |
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269 | .each(function() { |
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270 | $( this ).height( Math.max( 0, maxHeight - |
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271 | $( this ).innerHeight() + $( this ).height() ) ); |
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272 | }) |
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273 | .css( "overflow", "auto" ); |
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274 | } else if ( options.autoHeight ) { |
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275 | maxHeight = 0; |
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276 | this.headers.next() |
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277 | .each(function() { |
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278 | maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() ); |
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279 | }) |
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280 | .height( maxHeight ); |
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281 | } |
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282 | |
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283 | return this; |
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284 | }, |
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285 | |
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286 | activate: function( index ) { |
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287 | // TODO this gets called on init, changing the option without an explicit call for that |
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288 | this.options.active = index; |
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289 | // call clickHandler with custom event |
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290 | var active = this._findActive( index )[ 0 ]; |
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291 | this._clickHandler( { target: active }, active ); |
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292 | |
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293 | return this; |
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294 | }, |
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295 | |
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296 | _findActive: function( selector ) { |
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297 | return selector |
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298 | ? typeof selector === "number" |
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299 | ? this.headers.filter( ":eq(" + selector + ")" ) |
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300 | : this.headers.not( this.headers.not( selector ) ) |
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301 | : selector === false |
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302 | ? $( [] ) |
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303 | : this.headers.filter( ":eq(0)" ); |
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304 | }, |
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305 | |
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306 | // TODO isn't event.target enough? why the separate target argument? |
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307 | _clickHandler: function( event, target ) { |
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308 | var options = this.options; |
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309 | if ( options.disabled ) { |
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310 | return; |
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311 | } |
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312 | |
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313 | // called only when using activate(false) to close all parts programmatically |
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314 | if ( !event.target ) { |
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315 | if ( !options.collapsible ) { |
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316 | return; |
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317 | } |
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318 | this.active |
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319 | .removeClass( "ui-state-active ui-corner-top" ) |
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320 | .addClass( "ui-state-default ui-corner-all" ) |
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321 | .children( ".ui-icon" ) |
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322 | .removeClass( options.icons.headerSelected ) |
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323 | .addClass( options.icons.header ); |
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324 | this.active.next().addClass( "ui-accordion-content-active" ); |
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325 | var toHide = this.active.next(), |
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326 | data = { |
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327 | options: options, |
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328 | newHeader: $( [] ), |
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329 | oldHeader: options.active, |
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330 | newContent: $( [] ), |
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331 | oldContent: toHide |
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332 | }, |
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333 | toShow = ( this.active = $( [] ) ); |
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334 | this._toggle( toShow, toHide, data ); |
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335 | return; |
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336 | } |
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337 | |
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338 | // get the click target |
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339 | var clicked = $( event.currentTarget || target ), |
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340 | clickedIsActive = clicked[0] === this.active[0]; |
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341 | |
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342 | // TODO the option is changed, is that correct? |
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343 | // TODO if it is correct, shouldn't that happen after determining that the click is valid? |
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344 | options.active = options.collapsible && clickedIsActive ? |
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345 | false : |
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346 | this.headers.index( clicked ); |
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347 | |
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348 | // if animations are still active, or the active header is the target, ignore click |
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349 | if ( this.running || ( !options.collapsible && clickedIsActive ) ) { |
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350 | return; |
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351 | } |
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352 | |
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353 | // find elements to show and hide |
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354 | var active = this.active, |
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355 | toShow = clicked.next(), |
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356 | toHide = this.active.next(), |
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357 | data = { |
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358 | options: options, |
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359 | newHeader: clickedIsActive && options.collapsible ? $([]) : clicked, |
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360 | oldHeader: this.active, |
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361 | newContent: clickedIsActive && options.collapsible ? $([]) : toShow, |
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362 | oldContent: toHide |
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363 | }, |
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364 | down = this.headers.index( this.active[0] ) > this.headers.index( clicked[0] ); |
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365 | |
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366 | // when the call to ._toggle() comes after the class changes |
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367 | // it causes a very odd bug in IE 8 (see #6720) |
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368 | this.active = clickedIsActive ? $([]) : clicked; |
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369 | this._toggle( toShow, toHide, data, clickedIsActive, down ); |
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370 | |
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371 | // switch classes |
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372 | active |
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373 | .removeClass( "ui-state-active ui-corner-top" ) |
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374 | .addClass( "ui-state-default ui-corner-all" ) |
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375 | .children( ".ui-icon" ) |
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376 | .removeClass( options.icons.headerSelected ) |
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377 | .addClass( options.icons.header ); |
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378 | if ( !clickedIsActive ) { |
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379 | clicked |
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380 | .removeClass( "ui-state-default ui-corner-all" ) |
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381 | .addClass( "ui-state-active ui-corner-top" ) |
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382 | .children( ".ui-icon" ) |
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383 | .removeClass( options.icons.header ) |
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384 | .addClass( options.icons.headerSelected ); |
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385 | clicked |
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386 | .next() |
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387 | .addClass( "ui-accordion-content-active" ); |
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388 | } |
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389 | |
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390 | return; |
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391 | }, |
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392 | |
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393 | _toggle: function( toShow, toHide, data, clickedIsActive, down ) { |
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394 | var self = this, |
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395 | options = self.options; |
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396 | |
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397 | self.toShow = toShow; |
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398 | self.toHide = toHide; |
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399 | self.data = data; |
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400 | |
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401 | var complete = function() { |
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402 | if ( !self ) { |
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403 | return; |
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404 | } |
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405 | return self._completed.apply( self, arguments ); |
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406 | }; |
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407 | |
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408 | // trigger changestart event |
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409 | self._trigger( "changestart", null, self.data ); |
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410 | |
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411 | // count elements to animate |
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412 | self.running = toHide.size() === 0 ? toShow.size() : toHide.size(); |
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413 | |
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414 | if ( options.animated ) { |
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415 | var animOptions = {}; |
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416 | |
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417 | if ( options.collapsible && clickedIsActive ) { |
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418 | animOptions = { |
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419 | toShow: $( [] ), |
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420 | toHide: toHide, |
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421 | complete: complete, |
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422 | down: down, |
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423 | autoHeight: options.autoHeight || options.fillSpace |
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424 | }; |
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425 | } else { |
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426 | animOptions = { |
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427 | toShow: toShow, |
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428 | toHide: toHide, |
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429 | complete: complete, |
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430 | down: down, |
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431 | autoHeight: options.autoHeight || options.fillSpace |
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432 | }; |
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433 | } |
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434 | |
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435 | if ( !options.proxied ) { |
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436 | options.proxied = options.animated; |
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437 | } |
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438 | |
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439 | if ( !options.proxiedDuration ) { |
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440 | options.proxiedDuration = options.duration; |
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441 | } |
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442 | |
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443 | options.animated = $.isFunction( options.proxied ) ? |
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444 | options.proxied( animOptions ) : |
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445 | options.proxied; |
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446 | |
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447 | options.duration = $.isFunction( options.proxiedDuration ) ? |
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448 | options.proxiedDuration( animOptions ) : |
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449 | options.proxiedDuration; |
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450 | |
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451 | var animations = $.ui.accordion.animations, |
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452 | duration = options.duration, |
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453 | easing = options.animated; |
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454 | |
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455 | if ( easing && !animations[ easing ] && !$.easing[ easing ] ) { |
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456 | easing = "slide"; |
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457 | } |
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458 | if ( !animations[ easing ] ) { |
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459 | animations[ easing ] = function( options ) { |
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460 | this.slide( options, { |
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461 | easing: easing, |
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462 | duration: duration || 700 |
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463 | }); |
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464 | }; |
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465 | } |
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466 | |
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467 | animations[ easing ]( animOptions ); |
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468 | } else { |
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469 | if ( options.collapsible && clickedIsActive ) { |
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470 | toShow.toggle(); |
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471 | } else { |
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472 | toHide.hide(); |
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473 | toShow.show(); |
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474 | } |
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475 | |
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476 | complete( true ); |
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477 | } |
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478 | |
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479 | // TODO assert that the blur and focus triggers are really necessary, remove otherwise |
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480 | toHide.prev() |
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481 | .attr({ |
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482 | "aria-expanded": "false", |
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483 | "aria-selected": "false", |
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484 | tabIndex: -1 |
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485 | }) |
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486 | .blur(); |
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487 | toShow.prev() |
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488 | .attr({ |
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489 | "aria-expanded": "true", |
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490 | "aria-selected": "true", |
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491 | tabIndex: 0 |
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492 | }) |
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493 | .focus(); |
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494 | }, |
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495 | |
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496 | _completed: function( cancel ) { |
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497 | this.running = cancel ? 0 : --this.running; |
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498 | if ( this.running ) { |
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499 | return; |
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500 | } |
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501 | |
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502 | if ( this.options.clearStyle ) { |
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503 | this.toShow.add( this.toHide ).css({ |
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504 | height: "", |
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505 | overflow: "" |
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506 | }); |
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507 | } |
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508 | |
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509 | // other classes are removed before the animation; this one needs to stay until completed |
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510 | this.toHide.removeClass( "ui-accordion-content-active" ); |
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511 | // Work around for rendering bug in IE (#5421) |
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512 | if ( this.toHide.length ) { |
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513 | this.toHide.parent()[0].className = this.toHide.parent()[0].className; |
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514 | } |
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515 | |
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516 | this._trigger( "change", null, this.data ); |
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517 | } |
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518 | }); |
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519 | |
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520 | $.extend( $.ui.accordion, { |
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521 | version: "1.8.16", |
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522 | animations: { |
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523 | slide: function( options, additions ) { |
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524 | options = $.extend({ |
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525 | easing: "swing", |
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526 | duration: 300 |
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527 | }, options, additions ); |
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528 | if ( !options.toHide.size() ) { |
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529 | options.toShow.animate({ |
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530 | height: "show", |
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531 | paddingTop: "show", |
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532 | paddingBottom: "show" |
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533 | }, options ); |
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534 | return; |
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535 | } |
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536 | if ( !options.toShow.size() ) { |
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537 | options.toHide.animate({ |
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538 | height: "hide", |
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539 | paddingTop: "hide", |
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540 | paddingBottom: "hide" |
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541 | }, options ); |
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542 | return; |
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543 | } |
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544 | var overflow = options.toShow.css( "overflow" ), |
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545 | percentDone = 0, |
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546 | showProps = {}, |
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547 | hideProps = {}, |
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548 | fxAttrs = [ "height", "paddingTop", "paddingBottom" ], |
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549 | originalWidth; |
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550 | // fix width before calculating height of hidden element |
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551 | var s = options.toShow; |
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552 | originalWidth = s[0].style.width; |
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553 | s.width( parseInt( s.parent().width(), 10 ) |
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554 | - parseInt( s.css( "paddingLeft" ), 10 ) |
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555 | - parseInt( s.css( "paddingRight" ), 10 ) |
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556 | - ( parseInt( s.css( "borderLeftWidth" ), 10 ) || 0 ) |
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557 | - ( parseInt( s.css( "borderRightWidth" ), 10) || 0 ) ); |
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558 | |
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559 | $.each( fxAttrs, function( i, prop ) { |
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560 | hideProps[ prop ] = "hide"; |
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561 | |
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562 | var parts = ( "" + $.css( options.toShow[0], prop ) ).match( /^([\d+-.]+)(.*)$/ ); |
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563 | showProps[ prop ] = { |
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564 | value: parts[ 1 ], |
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565 | unit: parts[ 2 ] || "px" |
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566 | }; |
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567 | }); |
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568 | options.toShow.css({ height: 0, overflow: "hidden" }).show(); |
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569 | options.toHide |
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570 | .filter( ":hidden" ) |
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571 | .each( options.complete ) |
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572 | .end() |
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573 | .filter( ":visible" ) |
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574 | .animate( hideProps, { |
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575 | step: function( now, settings ) { |
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576 | // only calculate the percent when animating height |
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577 | // IE gets very inconsistent results when animating elements |
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578 | // with small values, which is common for padding |
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579 | if ( settings.prop == "height" ) { |
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580 | percentDone = ( settings.end - settings.start === 0 ) ? 0 : |
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581 | ( settings.now - settings.start ) / ( settings.end - settings.start ); |
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582 | } |
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583 | |
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584 | options.toShow[ 0 ].style[ settings.prop ] = |
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585 | ( percentDone * showProps[ settings.prop ].value ) |
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586 | + showProps[ settings.prop ].unit; |
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587 | }, |
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588 | duration: options.duration, |
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589 | easing: options.easing, |
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590 | complete: function() { |
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591 | if ( !options.autoHeight ) { |
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592 | options.toShow.css( "height", "" ); |
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593 | } |
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594 | options.toShow.css({ |
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595 | width: originalWidth, |
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596 | overflow: overflow |
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597 | }); |
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598 | options.complete(); |
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599 | } |
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600 | }); |
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601 | }, |
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602 | bounceslide: function( options ) { |
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603 | this.slide( options, { |
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604 | easing: options.down ? "easeOutBounce" : "swing", |
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605 | duration: options.down ? 1000 : 200 |
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606 | }); |
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607 | } |
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608 | } |
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609 | }); |
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610 | |
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611 | })( jQuery ); |
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