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573 lines
15 KiB
573 lines
15 KiB
13 years ago
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/*!
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* jQuery UI Accordion 1.10.3
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* http://jqueryui.com
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*
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* Copyright 2013 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/accordion/
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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*/
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(function( $, undefined ) {
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var uid = 0,
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hideProps = {},
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showProps = {};
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hideProps.height = hideProps.paddingTop = hideProps.paddingBottom =
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hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide";
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showProps.height = showProps.paddingTop = showProps.paddingBottom =
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showProps.borderTopWidth = showProps.borderBottomWidth = "show";
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$.widget( "ui.accordion", {
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version: "1.10.3",
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options: {
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active: 0,
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animate: {},
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collapsible: false,
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event: "click",
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header: "> li > :first-child,> :not(li):even",
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heightStyle: "auto",
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icons: {
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activeHeader: "ui-icon-triangle-1-s",
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header: "ui-icon-triangle-1-e"
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},
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// callbacks
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activate: null,
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beforeActivate: null
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},
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_create: function() {
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var options = this.options;
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this.prevShow = this.prevHide = $();
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this.element.addClass( "ui-accordion ui-widget ui-helper-reset" )
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// ARIA
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.attr( "role", "tablist" );
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// don't allow collapsible: false and active: false / null
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if ( !options.collapsible && (options.active === false || options.active == null) ) {
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options.active = 0;
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}
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this._processPanels();
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// handle negative values
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if ( options.active < 0 ) {
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options.active += this.headers.length;
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}
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this._refresh();
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},
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_getCreateEventData: function() {
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return {
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header: this.active,
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panel: !this.active.length ? $() : this.active.next(),
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content: !this.active.length ? $() : this.active.next()
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};
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},
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_createIcons: function() {
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var icons = this.options.icons;
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if ( icons ) {
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$( "<span>" )
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.addClass( "ui-accordion-header-icon ui-icon " + icons.header )
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.prependTo( this.headers );
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this.active.children( ".ui-accordion-header-icon" )
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.removeClass( icons.header )
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.addClass( icons.activeHeader );
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this.headers.addClass( "ui-accordion-icons" );
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}
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},
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_destroyIcons: function() {
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this.headers
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.removeClass( "ui-accordion-icons" )
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.children( ".ui-accordion-header-icon" )
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.remove();
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},
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_destroy: function() {
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var contents;
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// clean up main element
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this.element
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.removeClass( "ui-accordion ui-widget ui-helper-reset" )
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.removeAttr( "role" );
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// clean up headers
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this.headers
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.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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.removeAttr( "role" )
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.removeAttr( "aria-selected" )
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.removeAttr( "aria-controls" )
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.removeAttr( "tabIndex" )
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.each(function() {
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if ( /^ui-accordion/.test( this.id ) ) {
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this.removeAttribute( "id" );
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}
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});
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this._destroyIcons();
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// clean up content panels
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contents = this.headers.next()
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.css( "display", "" )
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.removeAttr( "role" )
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.removeAttr( "aria-expanded" )
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.removeAttr( "aria-hidden" )
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.removeAttr( "aria-labelledby" )
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.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled" )
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.each(function() {
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if ( /^ui-accordion/.test( this.id ) ) {
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this.removeAttribute( "id" );
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}
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});
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if ( this.options.heightStyle !== "content" ) {
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contents.css( "height", "" );
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}
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},
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_setOption: function( key, value ) {
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if ( key === "active" ) {
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// _activate() will handle invalid values and update this.options
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this._activate( value );
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return;
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}
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if ( key === "event" ) {
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if ( this.options.event ) {
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this._off( this.headers, this.options.event );
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}
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this._setupEvents( value );
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}
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this._super( key, value );
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// setting collapsible: false while collapsed; open first panel
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if ( key === "collapsible" && !value && this.options.active === false ) {
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this._activate( 0 );
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}
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if ( key === "icons" ) {
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this._destroyIcons();
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if ( value ) {
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this._createIcons();
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}
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}
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// #5332 - opacity doesn't cascade to positioned elements in IE
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// so we need to add the disabled class to the headers and panels
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if ( key === "disabled" ) {
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this.headers.add( this.headers.next() )
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.toggleClass( "ui-state-disabled", !!value );
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}
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},
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_keydown: function( event ) {
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/*jshint maxcomplexity:15*/
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if ( event.altKey || event.ctrlKey ) {
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return;
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}
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var keyCode = $.ui.keyCode,
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length = this.headers.length,
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currentIndex = this.headers.index( event.target ),
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toFocus = false;
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switch ( event.keyCode ) {
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case keyCode.RIGHT:
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case keyCode.DOWN:
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toFocus = this.headers[ ( currentIndex + 1 ) % length ];
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break;
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case keyCode.LEFT:
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case keyCode.UP:
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toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
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break;
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case keyCode.SPACE:
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case keyCode.ENTER:
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this._eventHandler( event );
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break;
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case keyCode.HOME:
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toFocus = this.headers[ 0 ];
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break;
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case keyCode.END:
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toFocus = this.headers[ length - 1 ];
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break;
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}
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if ( toFocus ) {
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$( event.target ).attr( "tabIndex", -1 );
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$( toFocus ).attr( "tabIndex", 0 );
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toFocus.focus();
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event.preventDefault();
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}
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},
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_panelKeyDown : function( event ) {
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if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
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$( event.currentTarget ).prev().focus();
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}
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},
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refresh: function() {
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var options = this.options;
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this._processPanels();
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// was collapsed or no panel
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if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) {
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options.active = false;
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this.active = $();
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// active false only when collapsible is true
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} else if ( options.active === false ) {
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this._activate( 0 );
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// was active, but active panel is gone
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} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
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// all remaining panel are disabled
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if ( this.headers.length === this.headers.find(".ui-state-disabled").length ) {
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options.active = false;
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this.active = $();
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// activate previous panel
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} else {
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this._activate( Math.max( 0, options.active - 1 ) );
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}
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// was active, active panel still exists
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} else {
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// make sure active index is correct
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options.active = this.headers.index( this.active );
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}
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this._destroyIcons();
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this._refresh();
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},
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_processPanels: function() {
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this.headers = this.element.find( this.options.header )
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.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
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this.headers.next()
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.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
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.filter(":not(.ui-accordion-content-active)")
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.hide();
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},
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_refresh: function() {
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var maxHeight,
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options = this.options,
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heightStyle = options.heightStyle,
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parent = this.element.parent(),
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accordionId = this.accordionId = "ui-accordion-" +
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(this.element.attr( "id" ) || ++uid);
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this.active = this._findActive( options.active )
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.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" )
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.removeClass( "ui-corner-all" );
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this.active.next()
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.addClass( "ui-accordion-content-active" )
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.show();
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this.headers
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.attr( "role", "tab" )
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.each(function( i ) {
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var header = $( this ),
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headerId = header.attr( "id" ),
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panel = header.next(),
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panelId = panel.attr( "id" );
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if ( !headerId ) {
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headerId = accordionId + "-header-" + i;
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header.attr( "id", headerId );
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}
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if ( !panelId ) {
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panelId = accordionId + "-panel-" + i;
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panel.attr( "id", panelId );
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}
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header.attr( "aria-controls", panelId );
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panel.attr( "aria-labelledby", headerId );
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})
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.next()
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.attr( "role", "tabpanel" );
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this.headers
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.not( this.active )
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.attr({
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"aria-selected": "false",
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tabIndex: -1
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})
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.next()
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.attr({
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"aria-expanded": "false",
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"aria-hidden": "true"
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})
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.hide();
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// make sure at least one header is in the tab order
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if ( !this.active.length ) {
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this.headers.eq( 0 ).attr( "tabIndex", 0 );
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} else {
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this.active.attr({
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"aria-selected": "true",
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tabIndex: 0
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})
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.next()
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.attr({
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"aria-expanded": "true",
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"aria-hidden": "false"
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});
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}
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this._createIcons();
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this._setupEvents( options.event );
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if ( heightStyle === "fill" ) {
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maxHeight = parent.height();
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this.element.siblings( ":visible" ).each(function() {
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var elem = $( this ),
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position = elem.css( "position" );
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if ( position === "absolute" || position === "fixed" ) {
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return;
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}
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maxHeight -= elem.outerHeight( true );
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});
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this.headers.each(function() {
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maxHeight -= $( this ).outerHeight( true );
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});
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this.headers.next()
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.each(function() {
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$( this ).height( Math.max( 0, maxHeight -
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$( this ).innerHeight() + $( this ).height() ) );
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})
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.css( "overflow", "auto" );
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} else if ( heightStyle === "auto" ) {
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maxHeight = 0;
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this.headers.next()
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.each(function() {
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maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
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})
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.height( maxHeight );
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}
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},
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_activate: function( index ) {
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var active = this._findActive( index )[ 0 ];
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// trying to activate the already active panel
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if ( active === this.active[ 0 ] ) {
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return;
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}
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// trying to collapse, simulate a click on the currently active header
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active = active || this.active[ 0 ];
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this._eventHandler({
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target: active,
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currentTarget: active,
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preventDefault: $.noop
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});
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},
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_findActive: function( selector ) {
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return typeof selector === "number" ? this.headers.eq( selector ) : $();
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},
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_setupEvents: function( event ) {
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var events = {
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keydown: "_keydown"
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};
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if ( event ) {
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$.each( event.split(" "), function( index, eventName ) {
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events[ eventName ] = "_eventHandler";
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});
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}
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this._off( this.headers.add( this.headers.next() ) );
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this._on( this.headers, events );
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this._on( this.headers.next(), { keydown: "_panelKeyDown" });
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this._hoverable( this.headers );
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this._focusable( this.headers );
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},
|
||
|
|
|
||
|
|
_eventHandler: function( event ) {
|
||
|
|
var options = this.options,
|
||
|
|
active = this.active,
|
||
|
|
clicked = $( event.currentTarget ),
|
||
|
|
clickedIsActive = clicked[ 0 ] === active[ 0 ],
|
||
|
|
collapsing = clickedIsActive && options.collapsible,
|
||
|
|
toShow = collapsing ? $() : clicked.next(),
|
||
|
|
toHide = active.next(),
|
||
|
|
eventData = {
|
||
|
|
oldHeader: active,
|
||
|
|
oldPanel: toHide,
|
||
|
|
newHeader: collapsing ? $() : clicked,
|
||
|
|
newPanel: toShow
|
||
|
|
};
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
if (
|
||
|
|
// click on active header, but not collapsible
|
||
|
|
( clickedIsActive && !options.collapsible ) ||
|
||
|
|
// allow canceling activation
|
||
|
|
( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
options.active = collapsing ? false : this.headers.index( clicked );
|
||
|
|
|
||
|
|
// when the call to ._toggle() comes after the class changes
|
||
|
|
// it causes a very odd bug in IE 8 (see #6720)
|
||
|
|
this.active = clickedIsActive ? $() : clicked;
|
||
|
|
this._toggle( eventData );
|
||
|
|
|
||
|
|
// switch classes
|
||
|
|
// corner classes on the previously active header stay after the animation
|
||
|
|
active.removeClass( "ui-accordion-header-active ui-state-active" );
|
||
|
|
if ( options.icons ) {
|
||
|
|
active.children( ".ui-accordion-header-icon" )
|
||
|
|
.removeClass( options.icons.activeHeader )
|
||
|
|
.addClass( options.icons.header );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !clickedIsActive ) {
|
||
|
|
clicked
|
||
|
|
.removeClass( "ui-corner-all" )
|
||
|
|
.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
|
||
|
|
if ( options.icons ) {
|
||
|
|
clicked.children( ".ui-accordion-header-icon" )
|
||
|
|
.removeClass( options.icons.header )
|
||
|
|
.addClass( options.icons.activeHeader );
|
||
|
|
}
|
||
|
|
|
||
|
|
clicked
|
||
|
|
.next()
|
||
|
|
.addClass( "ui-accordion-content-active" );
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
_toggle: function( data ) {
|
||
|
|
var toShow = data.newPanel,
|
||
|
|
toHide = this.prevShow.length ? this.prevShow : data.oldPanel;
|
||
|
|
|
||
|
|
// handle activating a panel during the animation for another activation
|
||
|
|
this.prevShow.add( this.prevHide ).stop( true, true );
|
||
|
|
this.prevShow = toShow;
|
||
|
|
this.prevHide = toHide;
|
||
|
|
|
||
|
|
if ( this.options.animate ) {
|
||
|
|
this._animate( toShow, toHide, data );
|
||
|
|
} else {
|
||
|
|
toHide.hide();
|
||
|
|
toShow.show();
|
||
|
|
this._toggleComplete( data );
|
||
|
|
}
|
||
|
|
|
||
|
|
toHide.attr({
|
||
|
|
"aria-expanded": "false",
|
||
|
|
"aria-hidden": "true"
|
||
|
|
});
|
||
|
|
toHide.prev().attr( "aria-selected", "false" );
|
||
|
|
// if we're switching panels, remove the old header from the tab order
|
||
|
|
// if we're opening from collapsed state, remove the previous header from the tab order
|
||
|
|
// if we're collapsing, then keep the collapsing header in the tab order
|
||
|
|
if ( toShow.length && toHide.length ) {
|
||
|
|
toHide.prev().attr( "tabIndex", -1 );
|
||
|
|
} else if ( toShow.length ) {
|
||
|
|
this.headers.filter(function() {
|
||
|
|
return $( this ).attr( "tabIndex" ) === 0;
|
||
|
|
})
|
||
|
|
.attr( "tabIndex", -1 );
|
||
|
|
}
|
||
|
|
|
||
|
|
toShow
|
||
|
|
.attr({
|
||
|
|
"aria-expanded": "true",
|
||
|
|
"aria-hidden": "false"
|
||
|
|
})
|
||
|
|
.prev()
|
||
|
|
.attr({
|
||
|
|
"aria-selected": "true",
|
||
|
|
tabIndex: 0
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
_animate: function( toShow, toHide, data ) {
|
||
|
|
var total, easing, duration,
|
||
|
|
that = this,
|
||
|
|
adjust = 0,
|
||
|
|
down = toShow.length &&
|
||
|
|
( !toHide.length || ( toShow.index() < toHide.index() ) ),
|
||
|
|
animate = this.options.animate || {},
|
||
|
|
options = down && animate.down || animate,
|
||
|
|
complete = function() {
|
||
|
|
that._toggleComplete( data );
|
||
|
|
};
|
||
|
|
|
||
|
|
if ( typeof options === "number" ) {
|
||
|
|
duration = options;
|
||
|
|
}
|
||
|
|
if ( typeof options === "string" ) {
|
||
|
|
easing = options;
|
||
|
|
}
|
||
|
|
// fall back from options to animation in case of partial down settings
|
||
|
|
easing = easing || options.easing || animate.easing;
|
||
|
|
duration = duration || options.duration || animate.duration;
|
||
|
|
|
||
|
|
if ( !toHide.length ) {
|
||
|
|
return toShow.animate( showProps, duration, easing, complete );
|
||
|
|
}
|
||
|
|
if ( !toShow.length ) {
|
||
|
|
return toHide.animate( hideProps, duration, easing, complete );
|
||
|
|
}
|
||
|
|
|
||
|
|
total = toShow.show().outerHeight();
|
||
|
|
toHide.animate( hideProps, {
|
||
|
|
duration: duration,
|
||
|
|
easing: easing,
|
||
|
|
step: function( now, fx ) {
|
||
|
|
fx.now = Math.round( now );
|
||
|
|
}
|
||
|
|
});
|
||
|
|
toShow
|
||
|
|
.hide()
|
||
|
|
.animate( showProps, {
|
||
|
|
duration: duration,
|
||
|
|
easing: easing,
|
||
|
|
complete: complete,
|
||
|
|
step: function( now, fx ) {
|
||
|
|
fx.now = Math.round( now );
|
||
|
|
if ( fx.prop !== "height" ) {
|
||
|
|
adjust += fx.now;
|
||
|
|
} else if ( that.options.heightStyle !== "content" ) {
|
||
|
|
fx.now = Math.round( total - toHide.outerHeight() - adjust );
|
||
|
|
adjust = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
_toggleComplete: function( data ) {
|
||
|
|
var toHide = data.oldPanel;
|
||
|
|
|
||
|
|
toHide
|
||
|
|
.removeClass( "ui-accordion-content-active" )
|
||
|
|
.prev()
|
||
|
|
.removeClass( "ui-corner-top" )
|
||
|
|
.addClass( "ui-corner-all" );
|
||
|
|
|
||
|
|
// Work around for rendering bug in IE (#5421)
|
||
|
|
if ( toHide.length ) {
|
||
|
|
toHide.parent()[0].className = toHide.parent()[0].className;
|
||
|
|
}
|
||
|
|
|
||
|
|
this._trigger( "activate", null, data );
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
})( jQuery );
|