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Register as an anonymous module. define( [ "jquery", "../version", "../keycode", "../unique-id", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; return $.widget( "ui.accordion", { version: "1.13.3", options: { active: 0, animate: {}, classes: { "ui-accordion-header": "ui-corner-top", "ui-accordion-header-collapsed": "ui-corner-all", "ui-accordion-content": "ui-corner-bottom" }, collapsible: false, event: "click", header: function( elem ) { return elem.find( "> li > :first-child" ).add( elem.find( "> :not(li)" ).even() ); }, heightStyle: "auto", icons: { activeHeader: "ui-icon-triangle-1-s", header: "ui-icon-triangle-1-e" }, // Callbacks activate: null, beforeActivate: null }, hideProps: { borderTopWidth: "hide", borderBottomWidth: "hide", paddingTop: "hide", paddingBottom: "hide", height: "hide" }, showProps: { borderTopWidth: "show", borderBottomWidth: "show", paddingTop: "show", paddingBottom: "show", height: "show" }, _create: function() { var options = this.options; this.prevShow = this.prevHide = $(); this._addClass( "ui-accordion", "ui-widget ui-helper-reset" ); this.element.attr( "role", "tablist" ); // Don't allow collapsible: false and active: false / null if ( !options.collapsible && ( options.active === false || options.active == null ) ) { options.active = 0; } this._processPanels(); // handle negative values if ( options.active < 0 ) { options.active += this.headers.length; } this._refresh(); }, _getCreateEventData: function() { return { header: this.active, panel: !this.active.length ? $() : this.active.next() }; }, _createIcons: function() { var icon, children, icons = this.options.icons; if ( icons ) { icon = $( "" ); this._addClass( icon, "ui-accordion-header-icon", "ui-icon " + icons.header ); icon.prependTo( this.headers ); children = this.active.children( ".ui-accordion-header-icon" ); this._removeClass( children, icons.header ) ._addClass( children, null, icons.activeHeader ) ._addClass( this.headers, "ui-accordion-icons" ); } }, _destroyIcons: function() { this._removeClass( this.headers, "ui-accordion-icons" ); this.headers.children( ".ui-accordion-header-icon" ).remove(); }, _destroy: function() { var contents; // Clean up main element this.element.removeAttr( "role" ); // Clean up headers this.headers .removeAttr( "role aria-expanded aria-selected aria-controls tabIndex" ) .removeUniqueId(); this._destroyIcons(); // Clean up content panels contents = this.headers.next() .css( "display", "" ) .removeAttr( "role aria-hidden aria-labelledby" ) .removeUniqueId(); if ( this.options.heightStyle !== "content" ) { contents.css( "height", "" ); } }, _setOption: function( key, value ) { if ( key === "active" ) { // _activate() will handle invalid values and update this.options this._activate( value ); return; } if ( key === "event" ) { if ( this.options.event ) { this._off( this.headers, this.options.event ); } this._setupEvents( value ); } this._super( key, value ); // Setting collapsible: false while collapsed; open first panel if ( key === "collapsible" && !value && this.options.active === false ) { this._activate( 0 ); } if ( key === "icons" ) { this._destroyIcons(); if ( value ) { this._createIcons(); } } }, _setOptionDisabled: function( value ) { this._super( value ); this.element.attr( "aria-disabled", value ); // Support: IE8 Only // #5332 / #6059 - opacity doesn't cascade to positioned elements in IE // so we need to add the disabled class to the headers and panels this._toggleClass( null, "ui-state-disabled", !!value ); this._toggleClass( this.headers.add( this.headers.next() ), null, "ui-state-disabled", !!value ); }, _keydown: function( event ) { if ( event.altKey || event.ctrlKey ) { return; } var keyCode = $.ui.keyCode, length = this.headers.length, currentIndex = this.headers.index( event.target ), toFocus = false; switch ( event.keyCode ) { case keyCode.RIGHT: case keyCode.DOWN: toFocus = this.headers[ ( currentIndex + 1 ) % length ]; break; case keyCode.LEFT: case keyCode.UP: toFocus = this.headers[ ( currentIndex - 1 + length ) % length ]; break; case keyCode.SPACE: case keyCode.ENTER: this._eventHandler( event ); break; case keyCode.HOME: toFocus = this.headers[ 0 ]; break; case keyCode.END: toFocus = this.headers[ length - 1 ]; break; } if ( toFocus ) { $( event.target ).attr( "tabIndex", -1 ); $( toFocus ).attr( "tabIndex", 0 ); $( toFocus ).trigger( "focus" ); event.preventDefault(); } }, _panelKeyDown: function( event ) { if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) { $( event.currentTarget ).prev().trigger( "focus" ); } }, refresh: function() { var options = this.options; this._processPanels(); // Was collapsed or no panel if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) { options.active = false; this.active = $(); // active false only when collapsible is true } else if ( options.active === false ) { this._activate( 0 ); // was active, but active panel is gone } else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { // all remaining panel are disabled if ( this.headers.length === this.headers.find( ".ui-state-disabled" ).length ) { options.active = false; this.active = $(); // activate previous panel } else { this._activate( Math.max( 0, options.active - 1 ) ); } // was active, active panel still exists } else { // make sure active index is correct options.active = this.headers.index( this.active ); } this._destroyIcons(); this._refresh(); }, _processPanels: function() { var prevHeaders = this.headers, prevPanels = this.panels; if ( typeof this.options.header === "function" ) { this.headers = this.options.header( this.element ); } else { this.headers = this.element.find( this.options.header ); } this._addClass( this.headers, "ui-accordion-header ui-accordion-header-collapsed", "ui-state-default" ); this.panels = this.headers.next().filter( ":not(.ui-accordion-content-active)" ).hide(); this._addClass( this.panels, "ui-accordion-content", "ui-helper-reset ui-widget-content" ); // Avoid memory leaks (#10056) if ( prevPanels ) { this._off( prevHeaders.not( this.headers ) ); this._off( prevPanels.not( this.panels ) ); } }, _refresh: function() { var maxHeight, options = this.options, heightStyle = options.heightStyle, parent = this.element.parent(); this.active = this._findActive( options.active ); this._addClass( this.active, "ui-accordion-header-active", "ui-state-active" ) ._removeClass( this.active, "ui-accordion-header-collapsed" ); this._addClass( this.active.next(), "ui-accordion-content-active" ); this.active.next().show(); this.headers .attr( "role", "tab" ) .each( function() { var header = $( this ), headerId = header.uniqueId().attr( "id" ), panel = header.next(), panelId = panel.uniqueId().attr( "id" ); header.attr( "aria-controls", panelId ); panel.attr( "aria-labelledby", headerId ); } ) .next() .attr( "role", "tabpanel" ); this.headers .not( this.active ) .attr( { "aria-selected": "false", "aria-expanded": "false", tabIndex: -1 } ) .next() .attr( { "aria-hidden": "true" } ) .hide(); // Make sure at least one header is in the tab order if ( !this.active.length ) { this.headers.eq( 0 ).attr( "tabIndex", 0 ); } else { this.active.attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ) .next() .attr( { "aria-hidden": "false" } ); } this._createIcons(); this._setupEvents( options.event ); if ( heightStyle === "fill" ) { maxHeight = parent.height(); this.element.siblings( ":visible" ).each( function() { var elem = $( this ), position = elem.css( "position" ); if ( position === "absolute" || position === "fixed" ) { return; } maxHeight -= elem.outerHeight( true ); } ); this.headers.each( function() { maxHeight -= $( this ).outerHeight( true ); } ); this.headers.next() .each( function() { $( this ).height( Math.max( 0, maxHeight - $( this ).innerHeight() + $( this ).height() ) ); } ) .css( "overflow", "auto" ); } else if ( heightStyle === "auto" ) { maxHeight = 0; this.headers.next() .each( function() { var isVisible = $( this ).is( ":visible" ); if ( !isVisible ) { $( this ).show(); } maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() ); if ( !isVisible ) { $( this ).hide(); } } ) .height( maxHeight ); } }, _activate: function( index ) { var active = this._findActive( index )[ 0 ]; // Trying to activate the already active panel if ( active === this.active[ 0 ] ) { return; } // Trying to collapse, simulate a click on the currently active header active = active || this.active[ 0 ]; this._eventHandler( { target: active, currentTarget: active, preventDefault: $.noop } ); }, _findActive: function( selector ) { return typeof selector === "number" ? this.headers.eq( selector ) : $(); }, _setupEvents: function( event ) { var events = { keydown: "_keydown" }; if ( event ) { $.each( event.split( " " ), function( index, eventName ) { events[ eventName ] = "_eventHandler"; } ); } this._off( this.headers.add( this.headers.next() ) ); this._on( this.headers, events ); this._on( this.headers.next(), { keydown: "_panelKeyDown" } ); this._hoverable( this.headers ); this._focusable( this.headers ); }, _eventHandler: function( event ) { var activeChildren, clickedChildren, 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 this._removeClass( active, "ui-accordion-header-active", "ui-state-active" ); if ( options.icons ) { activeChildren = active.children( ".ui-accordion-header-icon" ); this._removeClass( activeChildren, null, options.icons.activeHeader ) ._addClass( activeChildren, null, options.icons.header ); } if ( !clickedIsActive ) { this._removeClass( clicked, "ui-accordion-header-collapsed" ) ._addClass( clicked, "ui-accordion-header-active", "ui-state-active" ); if ( options.icons ) { clickedChildren = clicked.children( ".ui-accordion-header-icon" ); this._removeClass( clickedChildren, null, options.icons.header ) ._addClass( clickedChildren, null, options.icons.activeHeader ); } this._addClass( clicked.next(), "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-hidden": "true" } ); toHide.prev().attr( { "aria-selected": "false", "aria-expanded": "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, "aria-expanded": "false" } ); } else if ( toShow.length ) { this.headers.filter( function() { return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0; } ) .attr( "tabIndex", -1 ); } toShow .attr( "aria-hidden", "false" ) .prev() .attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ); }, _animate: function( toShow, toHide, data ) { var total, easing, duration, that = this, adjust = 0, boxSizing = toShow.css( "box-sizing" ), 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( this.showProps, duration, easing, complete ); } if ( !toShow.length ) { return toHide.animate( this.hideProps, duration, easing, complete ); } total = toShow.show().outerHeight(); toHide.animate( this.hideProps, { duration: duration, easing: easing, step: function( now, fx ) { fx.now = Math.round( now ); } } ); toShow .hide() .animate( this.showProps, { duration: duration, easing: easing, complete: complete, step: function( now, fx ) { fx.now = Math.round( now ); if ( fx.prop !== "height" ) { if ( boxSizing === "content-box" ) { 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, prev = toHide.prev(); this._removeClass( toHide, "ui-accordion-content-active" ); this._removeClass( prev, "ui-accordion-header-active" ) ._addClass( prev, "ui-accordion-header-collapsed" ); // Work around for rendering bug in IE (#5421) if ( toHide.length ) { toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className; } this._trigger( "activate", null, data ); } } ); } );