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572 lines
15 KiB
572 lines
15 KiB
/*! |
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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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}, |
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_eventHandler: function( event ) { |
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var options = this.options, |
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active = this.active, |
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clicked = $( event.currentTarget ), |
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clickedIsActive = clicked[ 0 ] === active[ 0 ], |
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collapsing = clickedIsActive && options.collapsible, |
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toShow = collapsing ? $() : clicked.next(), |
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toHide = active.next(), |
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eventData = { |
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oldHeader: active, |
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oldPanel: toHide, |
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newHeader: collapsing ? $() : clicked, |
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newPanel: toShow |
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}; |
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event.preventDefault(); |
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if ( |
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// click on active header, but not collapsible |
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( clickedIsActive && !options.collapsible ) || |
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// allow canceling activation |
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( this._trigger( "beforeActivate", event, eventData ) === false ) ) { |
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return; |
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} |
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options.active = collapsing ? false : this.headers.index( clicked ); |
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// when the call to ._toggle() comes after the class changes |
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// it causes a very odd bug in IE 8 (see #6720) |
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this.active = clickedIsActive ? $() : clicked; |
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this._toggle( eventData ); |
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// switch classes |
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// corner classes on the previously active header stay after the animation |
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active.removeClass( "ui-accordion-header-active ui-state-active" ); |
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if ( options.icons ) { |
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active.children( ".ui-accordion-header-icon" ) |
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.removeClass( options.icons.activeHeader ) |
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.addClass( options.icons.header ); |
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} |
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if ( !clickedIsActive ) { |
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clicked |
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.removeClass( "ui-corner-all" ) |
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.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" ); |
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if ( options.icons ) { |
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clicked.children( ".ui-accordion-header-icon" ) |
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.removeClass( options.icons.header ) |
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.addClass( options.icons.activeHeader ); |
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} |
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clicked |
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.next() |
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.addClass( "ui-accordion-content-active" ); |
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} |
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}, |
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_toggle: function( data ) { |
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var toShow = data.newPanel, |
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toHide = this.prevShow.length ? this.prevShow : data.oldPanel; |
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// handle activating a panel during the animation for another activation |
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this.prevShow.add( this.prevHide ).stop( true, true ); |
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this.prevShow = toShow; |
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this.prevHide = toHide; |
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if ( this.options.animate ) { |
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this._animate( toShow, toHide, data ); |
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} else { |
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toHide.hide(); |
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toShow.show(); |
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this._toggleComplete( data ); |
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} |
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toHide.attr({ |
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"aria-expanded": "false", |
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"aria-hidden": "true" |
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}); |
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toHide.prev().attr( "aria-selected", "false" ); |
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// if we're switching panels, remove the old header from the tab order |
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// if we're opening from collapsed state, remove the previous header from the tab order |
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// if we're collapsing, then keep the collapsing header in the tab order |
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if ( toShow.length && toHide.length ) { |
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toHide.prev().attr( "tabIndex", -1 ); |
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} else if ( toShow.length ) { |
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this.headers.filter(function() { |
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return $( this ).attr( "tabIndex" ) === 0; |
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}) |
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.attr( "tabIndex", -1 ); |
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} |
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toShow |
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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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.prev() |
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.attr({ |
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"aria-selected": "true", |
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tabIndex: 0 |
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}); |
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}, |
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_animate: function( toShow, toHide, data ) { |
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var total, easing, duration, |
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that = this, |
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adjust = 0, |
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down = toShow.length && |
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( !toHide.length || ( toShow.index() < toHide.index() ) ), |
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animate = this.options.animate || {}, |
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options = down && animate.down || animate, |
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complete = function() { |
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that._toggleComplete( data ); |
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}; |
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if ( typeof options === "number" ) { |
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duration = options; |
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} |
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if ( typeof options === "string" ) { |
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easing = options; |
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} |
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// fall back from options to animation in case of partial down settings |
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easing = easing || options.easing || animate.easing; |
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duration = duration || options.duration || animate.duration; |
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if ( !toHide.length ) { |
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return toShow.animate( showProps, duration, easing, complete ); |
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} |
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if ( !toShow.length ) { |
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return toHide.animate( hideProps, duration, easing, complete ); |
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} |
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total = toShow.show().outerHeight(); |
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toHide.animate( hideProps, { |
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duration: duration, |
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easing: easing, |
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step: function( now, fx ) { |
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fx.now = Math.round( now ); |
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} |
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}); |
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toShow |
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.hide() |
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.animate( showProps, { |
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duration: duration, |
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easing: easing, |
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complete: complete, |
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step: function( now, fx ) { |
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fx.now = Math.round( now ); |
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if ( fx.prop !== "height" ) { |
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adjust += fx.now; |
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} else if ( that.options.heightStyle !== "content" ) { |
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fx.now = Math.round( total - toHide.outerHeight() - adjust ); |
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adjust = 0; |
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} |
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} |
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}); |
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}, |
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_toggleComplete: function( data ) { |
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var toHide = data.oldPanel; |
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toHide |
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.removeClass( "ui-accordion-content-active" ) |
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.prev() |
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.removeClass( "ui-corner-top" ) |
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.addClass( "ui-corner-all" ); |
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|
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// Work around for rendering bug in IE (#5421) |
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if ( toHide.length ) { |
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toHide.parent()[0].className = toHide.parent()[0].className; |
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} |
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this._trigger( "activate", null, data ); |
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} |
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}); |
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|
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})( jQuery );
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