Файл: contao-3.5.8/assets/jquery/ui/1.11.4/jquery-ui.js
Строк: 1693
<?php
/*! jQuery UI - v1.11.4 - 2015-03-23
* http://jqueryui.com
* Includes: core.js, widget.js, accordion.js
* Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */
(function( factory ) {
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define([ "jquery" ], factory );
} else {
// Browser globals
factory( jQuery );
}
}(function( $ ) {
/*!
* jQuery UI Core 1.11.4
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/category/ui-core/
*/
// $.ui might exist from components with no dependencies, e.g., $.ui.position
$.ui = $.ui || {};
$.extend( $.ui, {
version: "1.11.4",
keyCode: {
BACKSPACE: 8,
COMMA: 188,
DELETE: 46,
DOWN: 40,
END: 35,
ENTER: 13,
ESCAPE: 27,
HOME: 36,
LEFT: 37,
PAGE_DOWN: 34,
PAGE_UP: 33,
PERIOD: 190,
RIGHT: 39,
SPACE: 32,
TAB: 9,
UP: 38
}
});
// plugins
$.fn.extend({
scrollParent: function( includeHidden ) {
var position = this.css( "position" ),
excludeStaticParent = position === "absolute",
overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
scrollParent = this.parents().filter( function() {
var parent = $( this );
if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
return false;
}
return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) + parent.css( "overflow-x" ) );
}).eq( 0 );
return position === "fixed" || !scrollParent.length ? $( this[ 0 ].ownerDocument || document ) : scrollParent;
},
uniqueId: (function() {
var uuid = 0;
return function() {
return this.each(function() {
if ( !this.id ) {
this.id = "ui-id-" + ( ++uuid );
}
});
};
})(),
removeUniqueId: function() {
return this.each(function() {
if ( /^ui-id-d+$/.test( this.id ) ) {
$( this ).removeAttr( "id" );
}
});
}
});
// selectors
function focusable( element, isTabIndexNotNaN ) {
var map, mapName, img,
nodeName = element.nodeName.toLowerCase();
if ( "area" === nodeName ) {
map = element.parentNode;
mapName = map.name;
if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
return false;
}
img = $( "img[usemap='#" + mapName + "']" )[ 0 ];
return !!img && visible( img );
}
return ( /^(input|select|textarea|button|object)$/.test( nodeName ) ?
!element.disabled :
"a" === nodeName ?
element.href || isTabIndexNotNaN :
isTabIndexNotNaN) &&
// the element and all of its ancestors must be visible
visible( element );
}
function visible( element ) {
return $.expr.filters.visible( element ) &&
!$( element ).parents().addBack().filter(function() {
return $.css( this, "visibility" ) === "hidden";
}).length;
}
$.extend( $.expr[ ":" ], {
data: $.expr.createPseudo ?
$.expr.createPseudo(function( dataName ) {
return function( elem ) {
return !!$.data( elem, dataName );
};
}) :
// support: jQuery <1.8
function( elem, i, match ) {
return !!$.data( elem, match[ 3 ] );
},
focusable: function( element ) {
return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
},
tabbable: function( element ) {
var tabIndex = $.attr( element, "tabindex" ),
isTabIndexNaN = isNaN( tabIndex );
return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
}
});
// support: jQuery <1.8
if ( !$( "<a>" ).outerWidth( 1 ).jquery ) {
$.each( [ "Width", "Height" ], function( i, name ) {
var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
type = name.toLowerCase(),
orig = {
innerWidth: $.fn.innerWidth,
innerHeight: $.fn.innerHeight,
outerWidth: $.fn.outerWidth,
outerHeight: $.fn.outerHeight
};
function reduce( elem, size, border, margin ) {
$.each( side, function() {
size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
if ( border ) {
size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
}
if ( margin ) {
size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
}
});
return size;
}
$.fn[ "inner" + name ] = function( size ) {
if ( size === undefined ) {
return orig[ "inner" + name ].call( this );
}
return this.each(function() {
$( this ).css( type, reduce( this, size ) + "px" );
});
};
$.fn[ "outer" + name] = function( size, margin ) {
if ( typeof size !== "number" ) {
return orig[ "outer" + name ].call( this, size );
}
return this.each(function() {
$( this).css( type, reduce( this, size, true, margin ) + "px" );
});
};
});
}
// support: jQuery <1.8
if ( !$.fn.addBack ) {
$.fn.addBack = function( selector ) {
return this.add( selector == null ?
this.prevObject : this.prevObject.filter( selector )
);
};
}
// support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
$.fn.removeData = (function( removeData ) {
return function( key ) {
if ( arguments.length ) {
return removeData.call( this, $.camelCase( key ) );
} else {
return removeData.call( this );
}
};
})( $.fn.removeData );
}
// deprecated
$.ui.ie = !!/msie [w.]+/.exec( navigator.userAgent.toLowerCase() );
$.fn.extend({
focus: (function( orig ) {
return function( delay, fn ) {
return typeof delay === "number" ?
this.each(function() {
var elem = this;
setTimeout(function() {
$( elem ).focus();
if ( fn ) {
fn.call( elem );
}
}, delay );
}) :
orig.apply( this, arguments );
};
})( $.fn.focus ),
disableSelection: (function() {
var eventType = "onselectstart" in document.createElement( "div" ) ?
"selectstart" :
"mousedown";
return function() {
return this.bind( eventType + ".ui-disableSelection", function( event ) {
event.preventDefault();
});
};
})(),
enableSelection: function() {
return this.unbind( ".ui-disableSelection" );
},
zIndex: function( zIndex ) {
if ( zIndex !== undefined ) {
return this.css( "zIndex", zIndex );
}
if ( this.length ) {
var elem = $( this[ 0 ] ), position, value;
while ( elem.length && elem[ 0 ] !== document ) {
// Ignore z-index if position is set to a value where z-index is ignored by the browser
// This makes behavior of this function consistent across browsers
// WebKit always returns auto if the element is positioned
position = elem.css( "position" );
if ( position === "absolute" || position === "relative" || position === "fixed" ) {
// IE returns 0 when zIndex is not specified
// other browsers return a string
// we ignore the case of nested elements with an explicit value of 0
// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
value = parseInt( elem.css( "zIndex" ), 10 );
if ( !isNaN( value ) && value !== 0 ) {
return value;
}
}
elem = elem.parent();
}
}
return 0;
}
});
// $.ui.plugin is deprecated. Use $.widget() extensions instead.
$.ui.plugin = {
add: function( module, option, set ) {
var i,
proto = $.ui[ module ].prototype;
for ( i in set ) {
proto.plugins[ i ] = proto.plugins[ i ] || [];
proto.plugins[ i ].push( [ option, set[ i ] ] );
}
},
call: function( instance, name, args, allowDisconnected ) {
var i,
set = instance.plugins[ name ];
if ( !set ) {
return;
}
if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode || instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
return;
}
for ( i = 0; i < set.length; i++ ) {
if ( instance.options[ set[ i ][ 0 ] ] ) {
set[ i ][ 1 ].apply( instance.element, args );
}
}
}
};
/*!
* jQuery UI Widget 1.11.4
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/jQuery.widget/
*/
var widget_uuid = 0,
widget_slice = Array.prototype.slice;
$.cleanData = (function( orig ) {
return function( elems ) {
var events, elem, i;
for ( i = 0; (elem = elems[i]) != null; i++ ) {
try {
// Only trigger remove when necessary to save time
events = $._data( elem, "events" );
if ( events && events.remove ) {
$( elem ).triggerHandler( "remove" );
}
// http://bugs.jquery.com/ticket/8235
} catch ( e ) {}
}
orig( elems );
};
})( $.cleanData );
$.widget = function( name, base, prototype ) {
var fullName, existingConstructor, constructor, basePrototype,
// proxiedPrototype allows the provided prototype to remain unmodified
// so that it can be used as a mixin for multiple widgets (#8876)
proxiedPrototype = {},
namespace = name.split( "." )[ 0 ];
name = name.split( "." )[ 1 ];
fullName = namespace + "-" + name;
if ( !prototype ) {
prototype = base;
base = $.Widget;
}
// create selector for plugin
$.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
return !!$.data( elem, fullName );
};
$[ namespace ] = $[ namespace ] || {};
existingConstructor = $[ namespace ][ name ];
constructor = $[ namespace ][ name ] = function( options, element ) {
// allow instantiation without "new" keyword
if ( !this._createWidget ) {
return new constructor( options, element );
}
// allow instantiation without initializing for simple inheritance
// must use "new" keyword (the code above always passes args)
if ( arguments.length ) {
this._createWidget( options, element );
}
};
// extend with the existing constructor to carry over any static properties
$.extend( constructor, existingConstructor, {
version: prototype.version,
// copy the object used to create the prototype in case we need to
// redefine the widget later
_proto: $.extend( {}, prototype ),
// track widgets that inherit from this widget in case this widget is
// redefined after a widget inherits from it
_childConstructors: []
});
basePrototype = new base();
// we need to make the options hash a property directly on the new instance
// otherwise we'll modify the options hash on the prototype that we're
// inheriting from
basePrototype.options = $.widget.extend( {}, basePrototype.options );
$.each( prototype, function( prop, value ) {
if ( !$.isFunction( value ) ) {
proxiedPrototype[ prop ] = value;
return;
}
proxiedPrototype[ prop ] = (function() {
var _super = function() {
return base.prototype[ prop ].apply( this, arguments );
},
_superApply = function( args ) {
return base.prototype[ prop ].apply( this, args );
};
return function() {
var __super = this._super,
__superApply = this._superApply,
returnValue;
this._super = _super;
this._superApply = _superApply;
returnValue = value.apply( this, arguments );
this._super = __super;
this._superApply = __superApply;
return returnValue;
};
})();
});
constructor.prototype = $.widget.extend( basePrototype, {
// TODO: remove support for widgetEventPrefix
// always use the name + a colon as the prefix, e.g., draggable:start
// don't prefix for widgets that aren't DOM-based
widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : name
}, proxiedPrototype, {
constructor: constructor,
namespace: namespace,
widgetName: name,
widgetFullName: fullName
});
// If this widget is being redefined then we need to find all widgets that
// are inheriting from it and redefine all of them so that they inherit from
// the new version of this widget. We're essentially trying to replace one
// level in the prototype chain.
if ( existingConstructor ) {
$.each( existingConstructor._childConstructors, function( i, child ) {
var childPrototype = child.prototype;
// redefine the child widget using the same prototype that was
// originally used, but inherit from the new version of the base
$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
});
// remove the list of existing child constructors from the old constructor
// so the old child constructors can be garbage collected
delete existingConstructor._childConstructors;
} else {
base._childConstructors.push( constructor );
}
$.widget.bridge( name, constructor );
return constructor;
};
$.widget.extend = function( target ) {
var input = widget_slice.call( arguments, 1 ),
inputIndex = 0,
inputLength = input.length,
key,
value;
for ( ; inputIndex < inputLength; inputIndex++ ) {
for ( key in input[ inputIndex ] ) {
value = input[ inputIndex ][ key ];
if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
// Clone objects
if ( $.isPlainObject( value ) ) {
target[ key ] = $.isPlainObject( target[ key ] ) ?
$.widget.extend( {}, target[ key ], value ) :
// Don't extend strings, arrays, etc. with objects
$.widget.extend( {}, value );
// Copy everything else by reference
} else {
target[ key ] = value;
}
}
}
}
return target;
};
$.widget.bridge = function( name, object ) {
var fullName = object.prototype.widgetFullName || name;
$.fn[ name ] = function( options ) {
var isMethodCall = typeof options === "string",
args = widget_slice.call( arguments, 1 ),
returnValue = this;
if ( isMethodCall ) {
this.each(function() {
var methodValue,
instance = $.data( this, fullName );
if ( options === "instance" ) {
returnValue = instance;
return false;
}
if ( !instance ) {
return $.error( "cannot call methods on " + name + " prior to initialization; " +
"attempted to call method '" + options + "'" );
}
if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
return $.error( "no such method '" + options + "' for " + name + " widget instance" );
}
methodValue = instance[ options ].apply( instance, args );
if ( methodValue !== instance && methodValue !== undefined ) {
returnValue = methodValue && methodValue.jquery ?
returnValue.pushStack( methodValue.get() ) :
methodValue;
return false;
}
});
} else {
// Allow multiple hashes to be passed on init
if ( args.length ) {
options = $.widget.extend.apply( null, [ options ].concat(args) );
}
this.each(function() {
var instance = $.data( this, fullName );
if ( instance ) {
instance.option( options || {} );
if ( instance._init ) {
instance._init();
}
} else {
$.data( this, fullName, new object( options, this ) );
}
});
}
return returnValue;
};
};
$.Widget = function( /* options, element */ ) {};
$.Widget._childConstructors = [];
$.Widget.prototype = {
widgetName: "widget",
widgetEventPrefix: "",
defaultElement: "<div>",
options: {
disabled: false,
// callbacks
create: null
},
_createWidget: function( options, element ) {
element = $( element || this.defaultElement || this )[ 0 ];
this.element = $( element );
this.uuid = widget_uuid++;
this.eventNamespace = "." + this.widgetName + this.uuid;
this.bindings = $();
this.hoverable = $();
this.focusable = $();
if ( element !== this ) {
$.data( element, this.widgetFullName, this );
this._on( true, this.element, {
remove: function( event ) {
if ( event.target === element ) {
this.destroy();
}
}
});
this.document = $( element.style ?
// element within the document
element.ownerDocument :
// element is window or document
element.document || element );
this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
}
this.options = $.widget.extend( {},
this.options,
this._getCreateOptions(),
options );
this._create();
this._trigger( "create", null, this._getCreateEventData() );
this._init();
},
_getCreateOptions: $.noop,
_getCreateEventData: $.noop,
_create: $.noop,
_init: $.noop,
destroy: function() {
this._destroy();
// we can probably remove the unbind calls in 2.0
// all event bindings should go through this._on()
this.element
.unbind( this.eventNamespace )
.removeData( this.widgetFullName )
// support: jquery <1.6.3
// http://bugs.jquery.com/ticket/9413
.removeData( $.camelCase( this.widgetFullName ) );
this.widget()
.unbind( this.eventNamespace )
.removeAttr( "aria-disabled" )
.removeClass(
this.widgetFullName + "-disabled " +
"ui-state-disabled" );
// clean up events and states
this.bindings.unbind( this.eventNamespace );
this.hoverable.removeClass( "ui-state-hover" );
this.focusable.removeClass( "ui-state-focus" );
},
_destroy: $.noop,
widget: function() {
return this.element;
},
option: function( key, value ) {
var options = key,
parts,
curOption,
i;
if ( arguments.length === 0 ) {
// don't return a reference to the internal hash
return $.widget.extend( {}, this.options );
}
if ( typeof key === "string" ) {
// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
options = {};
parts = key.split( "." );
key = parts.shift();
if ( parts.length ) {
curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
for ( i = 0; i < parts.length - 1; i++ ) {
curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
curOption = curOption[ parts[ i ] ];
}
key = parts.pop();
if ( arguments.length === 1 ) {
return curOption[ key ] === undefined ? null : curOption[ key ];
}
curOption[ key ] = value;
} else {
if ( arguments.length === 1 ) {
return this.options[ key ] === undefined ? null : this.options[ key ];
}
options[ key ] = value;
}
}
this._setOptions( options );
return this;
},
_setOptions: function( options ) {
var key;
for ( key in options ) {
this._setOption( key, options[ key ] );
}
return this;
},
_setOption: function( key, value ) {
this.options[ key ] = value;
if ( key === "disabled" ) {
this.widget()
.toggleClass( this.widgetFullName + "-disabled", !!value );
// If the widget is becoming disabled, then nothing is interactive
if ( value ) {
this.hoverable.removeClass( "ui-state-hover" );
this.focusable.removeClass( "ui-state-focus" );
}
}
return this;
},
enable: function() {
return this._setOptions({ disabled: false });
},
disable: function() {
return this._setOptions({ disabled: true });
},
_on: function( suppressDisabledCheck, element, handlers ) {
var delegateElement,
instance = this;
// no suppressDisabledCheck flag, shuffle arguments
if ( typeof suppressDisabledCheck !== "boolean" ) {
handlers = element;
element = suppressDisabledCheck;
suppressDisabledCheck = false;
}
// no element argument, shuffle and use this.element
if ( !handlers ) {
handlers = element;
element = this.element;
delegateElement = this.widget();
} else {
element = delegateElement = $( element );
this.bindings = this.bindings.add( element );
}
$.each( handlers, function( event, handler ) {
function handlerProxy() {
// allow widgets to customize the disabled handling
// - disabled as an array instead of boolean
// - disabled class as method for disabling individual parts
if ( !suppressDisabledCheck &&
( instance.options.disabled === true ||
$( this ).hasClass( "ui-state-disabled" ) ) ) {
return;
}
return ( typeof handler === "string" ? instance[ handler ] : handler )
.apply( instance, arguments );
}
// copy the guid so direct unbinding works
if ( typeof handler !== "string" ) {
handlerProxy.guid = handler.guid =
handler.guid || handlerProxy.guid || $.guid++;
}
var match = event.match( /^([w:-]*)s*(.*)$/ ),
eventName = match[1] + instance.eventNamespace,
selector = match[2];
if ( selector ) {
delegateElement.delegate( selector, eventName, handlerProxy );
} else {
element.bind( eventName, handlerProxy );
}
});
},
_off: function( element, eventName ) {
eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
this.eventNamespace;
element.unbind( eventName ).undelegate( eventName );
// Clear the stack to avoid memory leaks (#10056)
this.bindings = $( this.bindings.not( element ).get() );
this.focusable = $( this.focusable.not( element ).get() );
this.hoverable = $( this.hoverable.not( element ).get() );
},
_delay: function( handler, delay ) {
function handlerProxy() {
return ( typeof handler === "string" ? instance[ handler ] : handler )
.apply( instance, arguments );
}
var instance = this;
return setTimeout( handlerProxy, delay || 0 );
},
_hoverable: function( element ) {
this.hoverable = this.hoverable.add( element );
this._on( element, {
mouseenter: function( event ) {
$( event.currentTarget ).addClass( "ui-state-hover" );
},
mouseleave: function( event ) {
$( event.currentTarget ).removeClass( "ui-state-hover" );
}
});
},
_focusable: function( element ) {
this.focusable = this.focusable.add( element );
this._on( element, {
focusin: function( event ) {
$( event.currentTarget ).addClass( "ui-state-focus" );
},
focusout: function( event ) {
$( event.currentTarget ).removeClass( "ui-state-focus" );
}
});
},
_trigger: function( type, event, data ) {
var prop, orig,
callback = this.options[ type ];
data = data || {};
event = $.Event( event );
event.type = ( type === this.widgetEventPrefix ?
type :
this.widgetEventPrefix + type ).toLowerCase();
// the original event may come from any element
// so we need to reset the target on the new event
event.target = this.element[ 0 ];
// copy original event properties over to the new event
orig = event.originalEvent;
if ( orig ) {
for ( prop in orig ) {
if ( !( prop in event ) ) {
event[ prop ] = orig[ prop ];
}
}
}
this.element.trigger( event, data );
return !( $.isFunction( callback ) &&
callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
event.isDefaultPrevented() );
}
};
$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
if ( typeof options === "string" ) {
options = { effect: options };
}
var hasOptions,
effectName = !options ?
method :
options === true || typeof options === "number" ?
defaultEffect :
options.effect || defaultEffect;
options = options || {};
if ( typeof options === "number" ) {
options = { duration: options };
}
hasOptions = !$.isEmptyObject( options );
options.complete = callback;
if ( options.delay ) {
element.delay( options.delay );
}
if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
element[ method ]( options );
} else if ( effectName !== method && element[ effectName ] ) {
element[ effectName ]( options.duration, options.easing, callback );
} else {
element.queue(function( next ) {
$( this )[ method ]();
if ( callback ) {
callback.call( element[ 0 ] );
}
next();
});
}
};
});
var widget = $.widget;
/*!
* jQuery UI Accordion 1.11.4
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/accordion/
*/
var accordion = $.widget( "ui.accordion", {
version: "1.11.4",
options: {
active: 0,
animate: {},
collapsible: false,
event: "click",
header: "> li > :first-child,> :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.element.addClass( "ui-accordion ui-widget ui-helper-reset" )
// ARIA
.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 icons = this.options.icons;
if ( icons ) {
$( "<span>" )
.addClass( "ui-accordion-header-icon ui-icon " + icons.header )
.prependTo( this.headers );
this.active.children( ".ui-accordion-header-icon" )
.removeClass( icons.header )
.addClass( icons.activeHeader );
this.headers.addClass( "ui-accordion-icons" );
}
},
_destroyIcons: function() {
this.headers
.removeClass( "ui-accordion-icons" )
.children( ".ui-accordion-header-icon" )
.remove();
},
_destroy: function() {
var contents;
// clean up main element
this.element
.removeClass( "ui-accordion ui-widget ui-helper-reset" )
.removeAttr( "role" );
// clean up headers
this.headers
.removeClass( "ui-accordion-header ui-accordion-header-active ui-state-default " +
"ui-corner-all ui-state-active ui-state-disabled ui-corner-top" )
.removeAttr( "role" )
.removeAttr( "aria-expanded" )
.removeAttr( "aria-selected" )
.removeAttr( "aria-controls" )
.removeAttr( "tabIndex" )
.removeUniqueId();
this._destroyIcons();
// clean up content panels
contents = this.headers.next()
.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom " +
"ui-accordion-content ui-accordion-content-active ui-state-disabled" )
.css( "display", "" )
.removeAttr( "role" )
.removeAttr( "aria-hidden" )
.removeAttr( "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();
}
}
// #5332 - opacity doesn't cascade to positioned elements in IE
// so we need to add the disabled class to the headers and panels
if ( key === "disabled" ) {
this.element
.toggleClass( "ui-state-disabled", !!value )
.attr( "aria-disabled", value );
this.headers.add( this.headers.next() )
.toggleClass( "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.focus();
event.preventDefault();
}
},
_panelKeyDown: function( event ) {
if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
$( event.currentTarget ).prev().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;
this.headers = this.element.find( this.options.header )
.addClass( "ui-accordion-header ui-state-default ui-corner-all" );
this.panels = this.headers.next()
.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
.filter( ":not(.ui-accordion-content-active)" )
.hide();
// 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 )
.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" )
.removeClass( "ui-corner-all" );
this.active.next()
.addClass( "ui-accordion-content-active" )
.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() {
maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
})
.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 options = this.options,
active = this.active,
clicked = $( event.currentTarget ),
clickedIsActive = clicked[ 0 ] === active[ 0 ],
collapsing = clickedIsActive && options.collapsible,
toShow = collapsing ? $() : clicked.next(),
toHide = active.next(),
eventData = {
oldHeader: active,
oldPanel: toHide,
newHeader: collapsing ? $() : clicked,
newPanel: toShow
};
event.preventDefault();
if (
// click on active header, but not collapsible
( clickedIsActive && !options.collapsible ) ||
// allow canceling activation
( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
return;
}
options.active = collapsing ? false : this.headers.index( clicked );
// when the call to ._toggle() comes after the class changes
// it causes a very odd bug in IE 8 (see #6720)
this.active = clickedIsActive ? $() : clicked;
this._toggle( eventData );
// switch classes
// corner classes on the previously active header stay after the animation
active.removeClass( "ui-accordion-header-active ui-state-active" );
if ( options.icons ) {
active.children( ".ui-accordion-header-icon" )
.removeClass( options.icons.activeHeader )
.addClass( options.icons.header );
}
if ( !clickedIsActive ) {
clicked
.removeClass( "ui-corner-all" )
.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
if ( options.icons ) {
clicked.children( ".ui-accordion-header-icon" )
.removeClass( options.icons.header )
.addClass( options.icons.activeHeader );
}
clicked
.next()
.addClass( "ui-accordion-content-active" );
}
},
_toggle: function( data ) {
var toShow = data.newPanel,
toHide = this.prevShow.length ? this.prevShow : data.oldPanel;
// handle activating a panel during the animation for another activation
this.prevShow.add( this.prevHide ).stop( true, true );
this.prevShow = toShow;
this.prevHide = toHide;
if ( this.options.animate ) {
this._animate( toShow, toHide, data );
} else {
toHide.hide();
toShow.show();
this._toggleComplete( data );
}
toHide.attr({
"aria-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;
toHide
.removeClass( "ui-accordion-content-active" )
.prev()
.removeClass( "ui-corner-top" )
.addClass( "ui-corner-all" );
// Work around for rendering bug in IE (#5421)
if ( toHide.length ) {
toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className;
}
this._trigger( "activate", null, data );
}
});
}));
?>