mirror of
https://github.com/jquery/jquery-ui.git
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710 lines
18 KiB
JavaScript
710 lines
18 KiB
JavaScript
/*
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* jQuery UI Accordion @VERSION
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*
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* Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/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( $, undefined ) {
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var uid = 0;
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$.widget( "ui.accordion", {
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version: "@VERSION",
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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 accordionId = this.accordionId = "ui-accordion-" +
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(this.element.attr( "id" ) || ++uid),
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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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this.headers = this.element.find( options.header )
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.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );
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this._hoverable( this.headers );
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this._focusable( this.headers );
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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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// don't allow collapsible: false and active: false
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if ( !options.collapsible && options.active === false ) {
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options.active = 0;
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}
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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.active = this._findActive( options.active )
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.addClass( "ui-accordion-header-active ui-state-active" )
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.toggleClass( "ui-corner-all ui-corner-top" );
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this.active.next().addClass( "ui-accordion-content-active" );
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this._createIcons();
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this.originalHeight = this.element[0].style.height;
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this.refresh();
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// ARIA
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this.element.attr( "role", "tablist" );
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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._bind( this.headers, { keydown: "_keydown" });
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this._bind( this.headers.next(), { keydown: "_panelKeyDown" });
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this._setupEvents( options.event );
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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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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 accordionId = this.accordionId;
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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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var 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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this.element.css( "height", this.originalHeight );
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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.headers.unbind(
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this.options.event.split( " " ).join( ".accordion " ) + ".accordion" );
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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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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 heightStyle = this.options.heightStyle,
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parent = this.element.parent(),
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maxHeight,
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overflow;
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this.element.css( "height", this.originalHeight );
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if ( heightStyle === "fill" ) {
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// IE 6 treats height like minHeight, so we need to turn off overflow
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// in order to get a reliable height
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// we use the minHeight support test because we assume that only
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// browsers that don't support minHeight will treat height as minHeight
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if ( !$.support.minHeight ) {
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overflow = parent.css( "overflow" );
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parent.css( "overflow", "hidden");
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}
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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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if ( overflow ) {
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parent.css( "overflow", overflow );
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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 ).height( "" ).height() );
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})
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.height( maxHeight );
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}
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if ( heightStyle !== "content" ) {
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this.element.height( this.element.height() );
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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 ) : $();
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},
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_setupEvents: function( event ) {
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var events = {};
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if ( !event ) {
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return;
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}
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$.each( event.split(" "), function( index, eventName ) {
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events[ eventName ] = "_eventHandler";
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});
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this._bind( this.headers, events );
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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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oldContent: toHide,
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newHeader: collapsing ? $() : clicked,
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newContent: 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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active
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.removeClass( "ui-accordion-header-active ui-state-active ui-corner-top" )
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.addClass( "ui-corner-all" );
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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.newContent,
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toHide = this.prevShow.length ? this.prevShow : data.oldContent;
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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
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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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.prev()
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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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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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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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toShow.removeData( "ui-accordion-height" );
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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.size() ) {
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return toShow.animate( showProps, duration, easing, complete );
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}
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if ( !toShow.size() ) {
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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, duration, easing );
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toShow
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.hide()
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.data( "ui-accordion-height", {
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total: total,
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toHide: toHide
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})
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.animate( this.options.heightStyle === "content" ? showProps : showPropsAdjust,
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duration, easing, complete );
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},
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_toggleComplete: function( data ) {
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var toShow = data.newContent,
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toHide = data.oldContent;
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// other classes are removed before the animation; this one needs to stay until completed
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toHide.removeClass( "ui-accordion-content-active" );
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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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$.fx.step.accordionHeight = function( fx ) {
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var elem = $( fx.elem ),
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data = elem.data( "ui-accordion-height" );
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elem.height( data.total - elem.outerHeight() - data.toHide.outerHeight() + elem.height() );
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};
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var hideProps = {},
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showProps = {},
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showPropsAdjust = {};
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hideProps.height = hideProps.paddingTop = hideProps.paddingBottom =
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hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide";
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showProps.height = showProps.paddingTop = showProps.paddingBottom =
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showProps.borderTopWidth = showProps.borderBottomWidth = "show";
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$.extend( showPropsAdjust, showProps, { accordionHeight: "show" } );
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// DEPRECATED
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if ( $.uiBackCompat !== false ) {
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// navigation options
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(function( $, prototype ) {
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$.extend( prototype.options, {
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navigation: false,
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navigationFilter: function() {
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return this.href.toLowerCase() === location.href.toLowerCase();
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}
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});
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var _create = prototype._create;
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prototype._create = function() {
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if ( this.options.navigation ) {
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var that = this,
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headers = this.element.find( this.options.header ),
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content = headers.next(),
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current = headers.add( content )
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.find( "a" )
|
|
.filter( this.options.navigationFilter )
|
|
[ 0 ];
|
|
if ( current ) {
|
|
headers.add( content ).each( function( index ) {
|
|
if ( $.contains( this, current ) ) {
|
|
that.options.active = Math.floor( index / 2 );
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
_create.call( this );
|
|
};
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
|
|
// height options
|
|
(function( $, prototype ) {
|
|
$.extend( prototype.options, {
|
|
heightStyle: null, // remove default so we fall back to old values
|
|
autoHeight: true, // use heightStyle: "auto"
|
|
clearStyle: false, // use heightStyle: "content"
|
|
fillSpace: false // use heightStyle: "fill"
|
|
});
|
|
|
|
var _create = prototype._create,
|
|
_setOption = prototype._setOption;
|
|
|
|
$.extend( prototype, {
|
|
_create: function() {
|
|
this.options.heightStyle = this.options.heightStyle ||
|
|
this._mergeHeightStyle();
|
|
|
|
_create.call( this );
|
|
},
|
|
|
|
_setOption: function( key, value ) {
|
|
if ( key === "autoHeight" || key === "clearStyle" || key === "fillSpace" ) {
|
|
this.options.heightStyle = this._mergeHeightStyle();
|
|
}
|
|
_setOption.apply( this, arguments );
|
|
},
|
|
|
|
_mergeHeightStyle: function() {
|
|
var options = this.options;
|
|
|
|
if ( options.fillSpace ) {
|
|
return "fill";
|
|
}
|
|
|
|
if ( options.clearStyle ) {
|
|
return "content";
|
|
}
|
|
|
|
if ( options.autoHeight ) {
|
|
return "auto";
|
|
}
|
|
}
|
|
});
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
|
|
// icon options
|
|
(function( $, prototype ) {
|
|
$.extend( prototype.options.icons, {
|
|
activeHeader: null, // remove default so we fall back to old values
|
|
headerSelected: "ui-icon-triangle-1-s"
|
|
});
|
|
|
|
var _createIcons = prototype._createIcons;
|
|
prototype._createIcons = function() {
|
|
if ( this.options.icons ) {
|
|
this.options.icons.activeHeader = this.options.icons.activeHeader ||
|
|
this.options.icons.headerSelected;
|
|
}
|
|
_createIcons.call( this );
|
|
};
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
|
|
// expanded active option, activate method
|
|
(function( $, prototype ) {
|
|
prototype.activate = prototype._activate;
|
|
|
|
var _findActive = prototype._findActive;
|
|
prototype._findActive = function( index ) {
|
|
if ( index === -1 ) {
|
|
index = false;
|
|
}
|
|
if ( index && typeof index !== "number" ) {
|
|
index = this.headers.index( this.headers.filter( index ) );
|
|
if ( index === -1 ) {
|
|
index = false;
|
|
}
|
|
}
|
|
return _findActive.call( this, index );
|
|
};
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
|
|
// resize method
|
|
jQuery.ui.accordion.prototype.resize = jQuery.ui.accordion.prototype.refresh;
|
|
|
|
// change events
|
|
(function( $, prototype ) {
|
|
$.extend( prototype.options, {
|
|
change: null,
|
|
changestart: null
|
|
});
|
|
|
|
var _trigger = prototype._trigger;
|
|
prototype._trigger = function( type, event, data ) {
|
|
var ret = _trigger.apply( this, arguments );
|
|
if ( !ret ) {
|
|
return false;
|
|
}
|
|
|
|
if ( type === "beforeActivate" ) {
|
|
ret = _trigger.call( this, "changestart", event, data );
|
|
} else if ( type === "activate" ) {
|
|
ret = _trigger.call( this, "change", event, data );
|
|
}
|
|
return ret;
|
|
};
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
|
|
// animated option
|
|
// NOTE: this only provides support for "slide", "bounceslide", and easings
|
|
// not the full $.ui.accordion.animations API
|
|
(function( $, prototype ) {
|
|
$.extend( prototype.options, {
|
|
animate: null,
|
|
animated: "slide"
|
|
});
|
|
|
|
var _create = prototype._create;
|
|
prototype._create = function() {
|
|
var options = this.options;
|
|
if ( options.animate === null ) {
|
|
if ( !options.animated ) {
|
|
options.animate = false;
|
|
} else if ( options.animated === "slide" ) {
|
|
options.animate = 300;
|
|
} else if ( options.animated === "bounceslide" ) {
|
|
options.animate = {
|
|
duration: 200,
|
|
down: {
|
|
easing: "easeOutBounce",
|
|
duration: 1000
|
|
}
|
|
}
|
|
} else {
|
|
options.animate = options.animated;
|
|
}
|
|
}
|
|
|
|
_create.call( this );
|
|
};
|
|
}( jQuery, jQuery.ui.accordion.prototype ) );
|
|
}
|
|
|
|
})( jQuery );
|