1 | /*! |
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2 | * jQuery UI Accordion 1.10.4 |
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3 | * http://jqueryui.com |
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4 | * |
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5 | * Copyright 2014 jQuery Foundation and other contributors |
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6 | * Released under the MIT license. |
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7 | * http://jquery.org/license |
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8 | * |
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9 | * http://api.jqueryui.com/accordion/ |
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10 | * |
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11 | * Depends: |
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12 | * jquery.ui.core.js |
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13 | * jquery.ui.widget.js |
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14 | */ |
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15 | (function( $, undefined ) { |
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16 | |
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17 | var uid = 0, |
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18 | hideProps = {}, |
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19 | showProps = {}; |
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20 | |
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21 | hideProps.height = hideProps.paddingTop = hideProps.paddingBottom = |
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22 | hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide"; |
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23 | showProps.height = showProps.paddingTop = showProps.paddingBottom = |
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24 | showProps.borderTopWidth = showProps.borderBottomWidth = "show"; |
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25 | |
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26 | $.widget( "ui.accordion", { |
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27 | version: "1.10.4", |
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28 | options: { |
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29 | active: 0, |
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30 | animate: {}, |
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31 | collapsible: false, |
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32 | event: "click", |
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33 | header: "> li > :first-child,> :not(li):even", |
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34 | heightStyle: "auto", |
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35 | icons: { |
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36 | activeHeader: "ui-icon-triangle-1-s", |
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37 | header: "ui-icon-triangle-1-e" |
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38 | }, |
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39 | |
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40 | // callbacks |
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41 | activate: null, |
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42 | beforeActivate: null |
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43 | }, |
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44 | |
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45 | _create: function() { |
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46 | var options = this.options; |
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47 | this.prevShow = this.prevHide = $(); |
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48 | this.element.addClass( "ui-accordion ui-widget ui-helper-reset" ) |
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49 | // ARIA |
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50 | .attr( "role", "tablist" ); |
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51 | |
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52 | // don't allow collapsible: false and active: false / null |
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53 | if ( !options.collapsible && (options.active === false || options.active == null) ) { |
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54 | options.active = 0; |
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55 | } |
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56 | |
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57 | this._processPanels(); |
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58 | // handle negative values |
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59 | if ( options.active < 0 ) { |
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60 | options.active += this.headers.length; |
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61 | } |
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62 | this._refresh(); |
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63 | }, |
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64 | |
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65 | _getCreateEventData: function() { |
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66 | return { |
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67 | header: this.active, |
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68 | panel: !this.active.length ? $() : this.active.next(), |
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69 | content: !this.active.length ? $() : this.active.next() |
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70 | }; |
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71 | }, |
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72 | |
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73 | _createIcons: function() { |
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74 | var icons = this.options.icons; |
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75 | if ( icons ) { |
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76 | $( "<span>" ) |
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77 | .addClass( "ui-accordion-header-icon ui-icon " + icons.header ) |
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78 | .prependTo( this.headers ); |
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79 | this.active.children( ".ui-accordion-header-icon" ) |
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80 | .removeClass( icons.header ) |
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81 | .addClass( icons.activeHeader ); |
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82 | this.headers.addClass( "ui-accordion-icons" ); |
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83 | } |
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84 | }, |
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85 | |
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86 | _destroyIcons: function() { |
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87 | this.headers |
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88 | .removeClass( "ui-accordion-icons" ) |
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89 | .children( ".ui-accordion-header-icon" ) |
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90 | .remove(); |
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91 | }, |
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92 | |
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93 | _destroy: function() { |
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94 | var contents; |
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95 | |
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96 | // clean up main element |
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97 | this.element |
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98 | .removeClass( "ui-accordion ui-widget ui-helper-reset" ) |
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99 | .removeAttr( "role" ); |
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100 | |
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101 | // clean up headers |
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102 | this.headers |
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103 | .removeClass( "ui-accordion-header ui-accordion-header-active ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top" ) |
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104 | .removeAttr( "role" ) |
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105 | .removeAttr( "aria-expanded" ) |
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106 | .removeAttr( "aria-selected" ) |
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107 | .removeAttr( "aria-controls" ) |
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108 | .removeAttr( "tabIndex" ) |
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109 | .each(function() { |
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110 | if ( /^ui-accordion/.test( this.id ) ) { |
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111 | this.removeAttribute( "id" ); |
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112 | } |
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113 | }); |
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114 | this._destroyIcons(); |
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115 | |
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116 | // clean up content panels |
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117 | contents = this.headers.next() |
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118 | .css( "display", "" ) |
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119 | .removeAttr( "role" ) |
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120 | .removeAttr( "aria-hidden" ) |
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121 | .removeAttr( "aria-labelledby" ) |
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122 | .removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled" ) |
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123 | .each(function() { |
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124 | if ( /^ui-accordion/.test( this.id ) ) { |
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125 | this.removeAttribute( "id" ); |
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126 | } |
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127 | }); |
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128 | if ( this.options.heightStyle !== "content" ) { |
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129 | contents.css( "height", "" ); |
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130 | } |
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131 | }, |
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132 | |
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133 | _setOption: function( key, value ) { |
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134 | if ( key === "active" ) { |
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135 | // _activate() will handle invalid values and update this.options |
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136 | this._activate( value ); |
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137 | return; |
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138 | } |
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139 | |
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140 | if ( key === "event" ) { |
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141 | if ( this.options.event ) { |
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142 | this._off( this.headers, this.options.event ); |
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143 | } |
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144 | this._setupEvents( value ); |
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145 | } |
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146 | |
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147 | this._super( key, value ); |
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148 | |
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149 | // setting collapsible: false while collapsed; open first panel |
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150 | if ( key === "collapsible" && !value && this.options.active === false ) { |
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151 | this._activate( 0 ); |
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152 | } |
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153 | |
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154 | if ( key === "icons" ) { |
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155 | this._destroyIcons(); |
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156 | if ( value ) { |
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157 | this._createIcons(); |
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158 | } |
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159 | } |
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160 | |
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161 | // #5332 - opacity doesn't cascade to positioned elements in IE |
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162 | // so we need to add the disabled class to the headers and panels |
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163 | if ( key === "disabled" ) { |
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164 | this.headers.add( this.headers.next() ) |
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165 | .toggleClass( "ui-state-disabled", !!value ); |
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166 | } |
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167 | }, |
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168 | |
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169 | _keydown: function( event ) { |
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170 | if ( event.altKey || event.ctrlKey ) { |
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171 | return; |
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172 | } |
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173 | |
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174 | var keyCode = $.ui.keyCode, |
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175 | length = this.headers.length, |
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176 | currentIndex = this.headers.index( event.target ), |
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177 | toFocus = false; |
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178 | |
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179 | switch ( event.keyCode ) { |
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180 | case keyCode.RIGHT: |
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181 | case keyCode.DOWN: |
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182 | toFocus = this.headers[ ( currentIndex + 1 ) % length ]; |
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183 | break; |
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184 | case keyCode.LEFT: |
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185 | case keyCode.UP: |
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186 | toFocus = this.headers[ ( currentIndex - 1 + length ) % length ]; |
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187 | break; |
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188 | case keyCode.SPACE: |
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189 | case keyCode.ENTER: |
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190 | this._eventHandler( event ); |
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191 | break; |
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192 | case keyCode.HOME: |
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193 | toFocus = this.headers[ 0 ]; |
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194 | break; |
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195 | case keyCode.END: |
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196 | toFocus = this.headers[ length - 1 ]; |
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197 | break; |
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198 | } |
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199 | |
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200 | if ( toFocus ) { |
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201 | $( event.target ).attr( "tabIndex", -1 ); |
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202 | $( toFocus ).attr( "tabIndex", 0 ); |
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203 | toFocus.focus(); |
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204 | event.preventDefault(); |
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205 | } |
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206 | }, |
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207 | |
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208 | _panelKeyDown : function( event ) { |
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209 | if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) { |
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210 | $( event.currentTarget ).prev().focus(); |
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211 | } |
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212 | }, |
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213 | |
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214 | refresh: function() { |
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215 | var options = this.options; |
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216 | this._processPanels(); |
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217 | |
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218 | // was collapsed or no panel |
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219 | if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) { |
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220 | options.active = false; |
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221 | this.active = $(); |
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222 | // active false only when collapsible is true |
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223 | } else if ( options.active === false ) { |
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224 | this._activate( 0 ); |
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225 | // was active, but active panel is gone |
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226 | } else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { |
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227 | // all remaining panel are disabled |
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228 | if ( this.headers.length === this.headers.find(".ui-state-disabled").length ) { |
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229 | options.active = false; |
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230 | this.active = $(); |
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231 | // activate previous panel |
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232 | } else { |
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233 | this._activate( Math.max( 0, options.active - 1 ) ); |
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234 | } |
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235 | // was active, active panel still exists |
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236 | } else { |
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237 | // make sure active index is correct |
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238 | options.active = this.headers.index( this.active ); |
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239 | } |
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240 | |
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241 | this._destroyIcons(); |
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242 | |
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243 | this._refresh(); |
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244 | }, |
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245 | |
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246 | _processPanels: function() { |
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247 | this.headers = this.element.find( this.options.header ) |
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248 | .addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" ); |
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249 | |
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250 | this.headers.next() |
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251 | .addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" ) |
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252 | .filter(":not(.ui-accordion-content-active)") |
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253 | .hide(); |
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254 | }, |
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255 | |
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256 | _refresh: function() { |
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257 | var maxHeight, |
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258 | options = this.options, |
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259 | heightStyle = options.heightStyle, |
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260 | parent = this.element.parent(), |
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261 | accordionId = this.accordionId = "ui-accordion-" + |
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262 | (this.element.attr( "id" ) || ++uid); |
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263 | |
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264 | this.active = this._findActive( options.active ) |
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265 | .addClass( "ui-accordion-header-active ui-state-active ui-corner-top" ) |
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266 | .removeClass( "ui-corner-all" ); |
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267 | this.active.next() |
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268 | .addClass( "ui-accordion-content-active" ) |
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269 | .show(); |
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270 | |
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271 | this.headers |
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272 | .attr( "role", "tab" ) |
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273 | .each(function( i ) { |
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274 | var header = $( this ), |
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275 | headerId = header.attr( "id" ), |
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276 | panel = header.next(), |
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277 | panelId = panel.attr( "id" ); |
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278 | if ( !headerId ) { |
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279 | headerId = accordionId + "-header-" + i; |
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280 | header.attr( "id", headerId ); |
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281 | } |
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282 | if ( !panelId ) { |
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283 | panelId = accordionId + "-panel-" + i; |
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284 | panel.attr( "id", panelId ); |
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285 | } |
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286 | header.attr( "aria-controls", panelId ); |
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287 | panel.attr( "aria-labelledby", headerId ); |
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288 | }) |
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289 | .next() |
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290 | .attr( "role", "tabpanel" ); |
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291 | |
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292 | this.headers |
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293 | .not( this.active ) |
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294 | .attr({ |
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295 | "aria-selected": "false", |
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296 | "aria-expanded": "false", |
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297 | tabIndex: -1 |
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298 | }) |
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299 | .next() |
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300 | .attr({ |
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301 | "aria-hidden": "true" |
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302 | }) |
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303 | .hide(); |
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304 | |
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305 | // make sure at least one header is in the tab order |
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306 | if ( !this.active.length ) { |
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307 | this.headers.eq( 0 ).attr( "tabIndex", 0 ); |
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308 | } else { |
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309 | this.active.attr({ |
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310 | "aria-selected": "true", |
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311 | "aria-expanded": "true", |
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312 | tabIndex: 0 |
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313 | }) |
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314 | .next() |
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315 | .attr({ |
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316 | "aria-hidden": "false" |
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317 | }); |
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318 | } |
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319 | |
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320 | this._createIcons(); |
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321 | |
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322 | this._setupEvents( options.event ); |
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323 | |
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324 | if ( heightStyle === "fill" ) { |
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325 | maxHeight = parent.height(); |
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326 | this.element.siblings( ":visible" ).each(function() { |
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327 | var elem = $( this ), |
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328 | position = elem.css( "position" ); |
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329 | |
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330 | if ( position === "absolute" || position === "fixed" ) { |
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331 | return; |
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332 | } |
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333 | maxHeight -= elem.outerHeight( true ); |
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334 | }); |
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335 | |
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336 | this.headers.each(function() { |
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337 | maxHeight -= $( this ).outerHeight( true ); |
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338 | }); |
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339 | |
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340 | this.headers.next() |
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341 | .each(function() { |
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342 | $( this ).height( Math.max( 0, maxHeight - |
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343 | $( this ).innerHeight() + $( this ).height() ) ); |
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344 | }) |
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345 | .css( "overflow", "auto" ); |
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346 | } else if ( heightStyle === "auto" ) { |
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347 | maxHeight = 0; |
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348 | this.headers.next() |
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349 | .each(function() { |
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350 | maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() ); |
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351 | }) |
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352 | .height( maxHeight ); |
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353 | } |
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354 | }, |
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355 | |
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356 | _activate: function( index ) { |
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357 | var active = this._findActive( index )[ 0 ]; |
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358 | |
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359 | // trying to activate the already active panel |
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360 | if ( active === this.active[ 0 ] ) { |
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361 | return; |
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362 | } |
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363 | |
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364 | // trying to collapse, simulate a click on the currently active header |
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365 | active = active || this.active[ 0 ]; |
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366 | |
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367 | this._eventHandler({ |
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368 | target: active, |
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369 | currentTarget: active, |
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370 | preventDefault: $.noop |
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371 | }); |
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372 | }, |
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373 | |
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374 | _findActive: function( selector ) { |
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375 | return typeof selector === "number" ? this.headers.eq( selector ) : $(); |
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376 | }, |
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377 | |
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378 | _setupEvents: function( event ) { |
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379 | var events = { |
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380 | keydown: "_keydown" |
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381 | }; |
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382 | if ( event ) { |
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383 | $.each( event.split(" "), function( index, eventName ) { |
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384 | events[ eventName ] = "_eventHandler"; |
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385 | }); |
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386 | } |
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387 | |
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388 | this._off( this.headers.add( this.headers.next() ) ); |
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389 | this._on( this.headers, events ); |
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390 | this._on( this.headers.next(), { keydown: "_panelKeyDown" }); |
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391 | this._hoverable( this.headers ); |
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392 | this._focusable( this.headers ); |
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393 | }, |
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394 | |
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395 | _eventHandler: function( event ) { |
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396 | var options = this.options, |
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397 | active = this.active, |
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398 | clicked = $( event.currentTarget ), |
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399 | clickedIsActive = clicked[ 0 ] === active[ 0 ], |
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400 | collapsing = clickedIsActive && options.collapsible, |
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401 | toShow = collapsing ? $() : clicked.next(), |
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402 | toHide = active.next(), |
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403 | eventData = { |
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404 | oldHeader: active, |
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405 | oldPanel: toHide, |
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406 | newHeader: collapsing ? $() : clicked, |
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407 | newPanel: toShow |
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408 | }; |
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409 | |
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410 | event.preventDefault(); |
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411 | |
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412 | if ( |
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413 | // click on active header, but not collapsible |
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414 | ( clickedIsActive && !options.collapsible ) || |
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415 | // allow canceling activation |
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416 | ( this._trigger( "beforeActivate", event, eventData ) === false ) ) { |
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417 | return; |
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418 | } |
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419 | |
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420 | options.active = collapsing ? false : this.headers.index( clicked ); |
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421 | |
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422 | // when the call to ._toggle() comes after the class changes |
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423 | // it causes a very odd bug in IE 8 (see #6720) |
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424 | this.active = clickedIsActive ? $() : clicked; |
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425 | this._toggle( eventData ); |
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426 | |
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427 | // switch classes |
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428 | // corner classes on the previously active header stay after the animation |
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429 | active.removeClass( "ui-accordion-header-active ui-state-active" ); |
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430 | if ( options.icons ) { |
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431 | active.children( ".ui-accordion-header-icon" ) |
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432 | .removeClass( options.icons.activeHeader ) |
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433 | .addClass( options.icons.header ); |
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434 | } |
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435 | |
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436 | if ( !clickedIsActive ) { |
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437 | clicked |
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438 | .removeClass( "ui-corner-all" ) |
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439 | .addClass( "ui-accordion-header-active ui-state-active ui-corner-top" ); |
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440 | if ( options.icons ) { |
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441 | clicked.children( ".ui-accordion-header-icon" ) |
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442 | .removeClass( options.icons.header ) |
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443 | .addClass( options.icons.activeHeader ); |
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444 | } |
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445 | |
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446 | clicked |
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447 | .next() |
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448 | .addClass( "ui-accordion-content-active" ); |
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449 | } |
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450 | }, |
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451 | |
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452 | _toggle: function( data ) { |
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453 | var toShow = data.newPanel, |
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454 | toHide = this.prevShow.length ? this.prevShow : data.oldPanel; |
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455 | |
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456 | // handle activating a panel during the animation for another activation |
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457 | this.prevShow.add( this.prevHide ).stop( true, true ); |
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458 | this.prevShow = toShow; |
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459 | this.prevHide = toHide; |
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460 | |
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461 | if ( this.options.animate ) { |
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462 | this._animate( toShow, toHide, data ); |
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463 | } else { |
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464 | toHide.hide(); |
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465 | toShow.show(); |
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466 | this._toggleComplete( data ); |
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467 | } |
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468 | |
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469 | toHide.attr({ |
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470 | "aria-hidden": "true" |
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471 | }); |
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472 | toHide.prev().attr( "aria-selected", "false" ); |
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473 | // if we're switching panels, remove the old header from the tab order |
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474 | // if we're opening from collapsed state, remove the previous header from the tab order |
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475 | // if we're collapsing, then keep the collapsing header in the tab order |
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476 | if ( toShow.length && toHide.length ) { |
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477 | toHide.prev().attr({ |
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478 | "tabIndex": -1, |
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479 | "aria-expanded": "false" |
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480 | }); |
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481 | } else if ( toShow.length ) { |
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482 | this.headers.filter(function() { |
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483 | return $( this ).attr( "tabIndex" ) === 0; |
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484 | }) |
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485 | .attr( "tabIndex", -1 ); |
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486 | } |
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487 | |
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488 | toShow |
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489 | .attr( "aria-hidden", "false" ) |
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490 | .prev() |
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491 | .attr({ |
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492 | "aria-selected": "true", |
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493 | tabIndex: 0, |
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494 | "aria-expanded": "true" |
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495 | }); |
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496 | }, |
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497 | |
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498 | _animate: function( toShow, toHide, data ) { |
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499 | var total, easing, duration, |
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500 | that = this, |
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501 | adjust = 0, |
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502 | down = toShow.length && |
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503 | ( !toHide.length || ( toShow.index() < toHide.index() ) ), |
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504 | animate = this.options.animate || {}, |
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505 | options = down && animate.down || animate, |
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506 | complete = function() { |
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507 | that._toggleComplete( data ); |
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508 | }; |
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509 | |
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510 | if ( typeof options === "number" ) { |
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511 | duration = options; |
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512 | } |
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513 | if ( typeof options === "string" ) { |
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514 | easing = options; |
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515 | } |
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516 | // fall back from options to animation in case of partial down settings |
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517 | easing = easing || options.easing || animate.easing; |
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518 | duration = duration || options.duration || animate.duration; |
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519 | |
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520 | if ( !toHide.length ) { |
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521 | return toShow.animate( showProps, duration, easing, complete ); |
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522 | } |
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523 | if ( !toShow.length ) { |
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524 | return toHide.animate( hideProps, duration, easing, complete ); |
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525 | } |
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526 | |
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527 | total = toShow.show().outerHeight(); |
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528 | toHide.animate( hideProps, { |
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529 | duration: duration, |
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530 | easing: easing, |
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531 | step: function( now, fx ) { |
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532 | fx.now = Math.round( now ); |
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533 | } |
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534 | }); |
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535 | toShow |
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536 | .hide() |
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537 | .animate( showProps, { |
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538 | duration: duration, |
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539 | easing: easing, |
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540 | complete: complete, |
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541 | step: function( now, fx ) { |
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542 | fx.now = Math.round( now ); |
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543 | if ( fx.prop !== "height" ) { |
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544 | adjust += fx.now; |
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545 | } else if ( that.options.heightStyle !== "content" ) { |
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546 | fx.now = Math.round( total - toHide.outerHeight() - adjust ); |
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547 | adjust = 0; |
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548 | } |
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549 | } |
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550 | }); |
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551 | }, |
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552 | |
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553 | _toggleComplete: function( data ) { |
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554 | var toHide = data.oldPanel; |
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555 | |
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556 | toHide |
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557 | .removeClass( "ui-accordion-content-active" ) |
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558 | .prev() |
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559 | .removeClass( "ui-corner-top" ) |
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560 | .addClass( "ui-corner-all" ); |
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561 | |
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562 | // Work around for rendering bug in IE (#5421) |
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563 | if ( toHide.length ) { |
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564 | toHide.parent()[0].className = toHide.parent()[0].className; |
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565 | } |
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566 | this._trigger( "activate", null, data ); |
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567 | } |
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568 | }); |
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569 | |
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570 | })( jQuery ); |
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