angelakuo/citydogshare

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public/assets/jquery-ui/accordion-82a481653c563d2fbfac7d51ac328b8df7217a11e94ea9d054877efa1c59de23.js

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/*!
 * 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/
 */

(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define( [ "jquery" ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

// $.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/
 */

(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define( [ "jquery" ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

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();
            });
        }
    };
});

return $.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/
 */

(function( factory ) {
    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define([
            "jquery",
            "./core",
            "./widget"
        ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
}(function( $ ) {

return $.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 );
    }
});

}));