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/*!
* jQuery UI Accordion 1.13.2
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*/
//>>label: Accordion
//>>group: Widgets
/* eslint-disable max-len */
//>>description: Displays collapsible content panels for presenting information in a limited amount of space.
/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/accordion/
//>>demos: http://jqueryui.com/accordion/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/accordion.css
//>>css.theme: ../../themes/base/theme.css
( function( factory ) {
"use strict";
if ( typeof define === "function" && define.amd ) {
// AMD. 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: "1.13.2",
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 = $( "<span>" );
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 );
}
} );
} );