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0
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1 /*
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2 * jQuery UI Accordion 1.8.11
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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
|
|
|
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" );
|
|
|
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 );
|
|
|
517 }
|
|
|
518 });
|
|
|
519
|
|
|
520 $.extend( $.ui.accordion, {
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|
|
521 version: "1.8.11",
|
|
|
522 animations: {
|
|
|
523 slide: function( options, additions ) {
|
|
|
524 options = $.extend({
|
|
|
525 easing: "swing",
|
|
|
526 duration: 300
|
|
|
527 }, options, additions );
|
|
|
528 if ( !options.toHide.size() ) {
|
|
|
529 options.toShow.animate({
|
|
|
530 height: "show",
|
|
|
531 paddingTop: "show",
|
|
|
532 paddingBottom: "show"
|
|
|
533 }, options );
|
|
|
534 return;
|
|
|
535 }
|
|
|
536 if ( !options.toShow.size() ) {
|
|
|
537 options.toHide.animate({
|
|
|
538 height: "hide",
|
|
|
539 paddingTop: "hide",
|
|
|
540 paddingBottom: "hide"
|
|
|
541 }, options );
|
|
|
542 return;
|
|
|
543 }
|
|
|
544 var overflow = options.toShow.css( "overflow" ),
|
|
|
545 percentDone = 0,
|
|
|
546 showProps = {},
|
|
|
547 hideProps = {},
|
|
|
548 fxAttrs = [ "height", "paddingTop", "paddingBottom" ],
|
|
|
549 originalWidth;
|
|
|
550 // fix width before calculating height of hidden element
|
|
|
551 var s = options.toShow;
|
|
|
552 originalWidth = s[0].style.width;
|
|
|
553 s.width( parseInt( s.parent().width(), 10 )
|
|
|
554 - parseInt( s.css( "paddingLeft" ), 10 )
|
|
|
555 - parseInt( s.css( "paddingRight" ), 10 )
|
|
|
556 - ( parseInt( s.css( "borderLeftWidth" ), 10 ) || 0 )
|
|
|
557 - ( parseInt( s.css( "borderRightWidth" ), 10) || 0 ) );
|
|
|
558
|
|
|
559 $.each( fxAttrs, function( i, prop ) {
|
|
|
560 hideProps[ prop ] = "hide";
|
|
|
561
|
|
|
562 var parts = ( "" + $.css( options.toShow[0], prop ) ).match( /^([\d+-.]+)(.*)$/ );
|
|
|
563 showProps[ prop ] = {
|
|
|
564 value: parts[ 1 ],
|
|
|
565 unit: parts[ 2 ] || "px"
|
|
|
566 };
|
|
|
567 });
|
|
|
568 options.toShow.css({ height: 0, overflow: "hidden" }).show();
|
|
|
569 options.toHide
|
|
|
570 .filter( ":hidden" )
|
|
|
571 .each( options.complete )
|
|
|
572 .end()
|
|
|
573 .filter( ":visible" )
|
|
|
574 .animate( hideProps, {
|
|
|
575 step: function( now, settings ) {
|
|
|
576 // only calculate the percent when animating height
|
|
|
577 // IE gets very inconsistent results when animating elements
|
|
|
578 // with small values, which is common for padding
|
|
|
579 if ( settings.prop == "height" ) {
|
|
|
580 percentDone = ( settings.end - settings.start === 0 ) ? 0 :
|
|
|
581 ( settings.now - settings.start ) / ( settings.end - settings.start );
|
|
|
582 }
|
|
|
583
|
|
|
584 options.toShow[ 0 ].style[ settings.prop ] =
|
|
|
585 ( percentDone * showProps[ settings.prop ].value )
|
|
|
586 + showProps[ settings.prop ].unit;
|
|
|
587 },
|
|
|
588 duration: options.duration,
|
|
|
589 easing: options.easing,
|
|
|
590 complete: function() {
|
|
|
591 if ( !options.autoHeight ) {
|
|
|
592 options.toShow.css( "height", "" );
|
|
|
593 }
|
|
|
594 options.toShow.css({
|
|
|
595 width: originalWidth,
|
|
|
596 overflow: overflow
|
|
|
597 });
|
|
|
598 options.complete();
|
|
|
599 }
|
|
|
600 });
|
|
|
601 },
|
|
|
602 bounceslide: function( options ) {
|
|
|
603 this.slide( options, {
|
|
|
604 easing: options.down ? "easeOutBounce" : "swing",
|
|
|
605 duration: options.down ? 1000 : 200
|
|
|
606 });
|
|
|
607 }
|
|
|
608 }
|
|
|
609 });
|
|
|
610
|
|
|
611 })( jQuery );
|
