/*!

* jQuery UI Dialog 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/dialog/
*/

(function( factory ) {

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

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

        // Browser globals
        factory( jQuery );
}

}(function( $ ) {

return $.widget( “ui.dialog”, {

version: "1.11.4",
options: {
        appendTo: "body",
        autoOpen: true,
        buttons: [],
        closeOnEscape: true,
        closeText: "Close",
        dialogClass: "",
        draggable: true,
        hide: null,
        height: "auto",
        maxHeight: null,
        maxWidth: null,
        minHeight: 150,
        minWidth: 150,
        modal: false,
        position: {
                my: "center",
                at: "center",
                of: window,
                collision: "fit",
                // Ensure the titlebar is always visible
                using: function( pos ) {
                        var topOffset = $( this ).css( pos ).offset().top;
                        if ( topOffset < 0 ) {
                                $( this ).css( "top", pos.top - topOffset );
                        }
                }
        },
        resizable: true,
        show: null,
        title: null,
        width: 300,

        // callbacks
        beforeClose: null,
        close: null,
        drag: null,
        dragStart: null,
        dragStop: null,
        focus: null,
        open: null,
        resize: null,
        resizeStart: null,
        resizeStop: null
},

sizeRelatedOptions: {
        buttons: true,
        height: true,
        maxHeight: true,
        maxWidth: true,
        minHeight: true,
        minWidth: true,
        width: true
},

resizableRelatedOptions: {
        maxHeight: true,
        maxWidth: true,
        minHeight: true,
        minWidth: true
},

_create: function() {
        this.originalCss = {
                display: this.element[ 0 ].style.display,
                width: this.element[ 0 ].style.width,
                minHeight: this.element[ 0 ].style.minHeight,
                maxHeight: this.element[ 0 ].style.maxHeight,
                height: this.element[ 0 ].style.height
        };
        this.originalPosition = {
                parent: this.element.parent(),
                index: this.element.parent().children().index( this.element )
        };
        this.originalTitle = this.element.attr( "title" );
        this.options.title = this.options.title || this.originalTitle;

        this._createWrapper();

        this.element
                .show()
                .removeAttr( "title" )
                .addClass( "ui-dialog-content ui-widget-content" )
                .appendTo( this.uiDialog );

        this._createTitlebar();
        this._createButtonPane();

        if ( this.options.draggable && $.fn.draggable ) {
                this._makeDraggable();
        }
        if ( this.options.resizable && $.fn.resizable ) {
                this._makeResizable();
        }

        this._isOpen = false;

        this._trackFocus();
},

_init: function() {
        if ( this.options.autoOpen ) {
                this.open();
        }
},

_appendTo: function() {
        var element = this.options.appendTo;
        if ( element && (element.jquery || element.nodeType) ) {
                return $( element );
        }
        return this.document.find( element || "body" ).eq( 0 );
},

_destroy: function() {
        var next,
                originalPosition = this.originalPosition;

        this._untrackInstance();
        this._destroyOverlay();

        this.element
                .removeUniqueId()
                .removeClass( "ui-dialog-content ui-widget-content" )
                .css( this.originalCss )
                // Without detaching first, the following becomes really slow
                .detach();

        this.uiDialog.stop( true, true ).remove();

        if ( this.originalTitle ) {
                this.element.attr( "title", this.originalTitle );
        }

        next = originalPosition.parent.children().eq( originalPosition.index );
        // Don't try to place the dialog next to itself (#8613)
        if ( next.length && next[ 0 ] !== this.element[ 0 ] ) {
                next.before( this.element );
        } else {
                originalPosition.parent.append( this.element );
        }
},

widget: function() {
        return this.uiDialog;
},

disable: $.noop,
enable: $.noop,

close: function( event ) {
        var activeElement,
                that = this;

        if ( !this._isOpen || this._trigger( "beforeClose", event ) === false ) {
                return;
        }

        this._isOpen = false;
        this._focusedElement = null;
        this._destroyOverlay();
        this._untrackInstance();

        if ( !this.opener.filter( ":focusable" ).focus().length ) {

                // support: IE9
                // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
                try {
                        activeElement = this.document[ 0 ].activeElement;

                        // Support: IE9, IE10
                        // If the <body> is blurred, IE will switch windows, see #4520
                        if ( activeElement && activeElement.nodeName.toLowerCase() !== "body" ) {

                                // Hiding a focused element doesn't trigger blur in WebKit
                                // so in case we have nothing to focus on, explicitly blur the active element
                                // https://bugs.webkit.org/show_bug.cgi?id=47182
                                $( activeElement ).blur();
                        }
                } catch ( error ) {}
        }

        this._hide( this.uiDialog, this.options.hide, function() {
                that._trigger( "close", event );
        });
},

isOpen: function() {
        return this._isOpen;
},

moveToTop: function() {
        this._moveToTop();
},

_moveToTop: function( event, silent ) {
        var moved = false,
                zIndices = this.uiDialog.siblings( ".ui-front:visible" ).map(function() {
                        return +$( this ).css( "z-index" );
                }).get(),
                zIndexMax = Math.max.apply( null, zIndices );

        if ( zIndexMax >= +this.uiDialog.css( "z-index" ) ) {
                this.uiDialog.css( "z-index", zIndexMax + 1 );
                moved = true;
        }

        if ( moved && !silent ) {
                this._trigger( "focus", event );
        }
        return moved;
},

open: function() {
        var that = this;
        if ( this._isOpen ) {
                if ( this._moveToTop() ) {
                        this._focusTabbable();
                }
                return;
        }

        this._isOpen = true;
        this.opener = $( this.document[ 0 ].activeElement );

        this._size();
        this._position();
        this._createOverlay();
        this._moveToTop( null, true );

        // Ensure the overlay is moved to the top with the dialog, but only when
        // opening. The overlay shouldn't move after the dialog is open so that
        // modeless dialogs opened after the modal dialog stack properly.
        if ( this.overlay ) {
                this.overlay.css( "z-index", this.uiDialog.css( "z-index" ) - 1 );
        }

        this._show( this.uiDialog, this.options.show, function() {
                that._focusTabbable();
                that._trigger( "focus" );
        });

        // Track the dialog immediately upon openening in case a focus event
        // somehow occurs outside of the dialog before an element inside the
        // dialog is focused (#10152)
        this._makeFocusTarget();

        this._trigger( "open" );
},

_focusTabbable: function() {
        // Set focus to the first match:
        // 1. An element that was focused previously
        // 2. First element inside the dialog matching [autofocus]
        // 3. Tabbable element inside the content element
        // 4. Tabbable element inside the buttonpane
        // 5. The close button
        // 6. The dialog itself
        var hasFocus = this._focusedElement;
        if ( !hasFocus ) {
                hasFocus = this.element.find( "[autofocus]" );
        }
        if ( !hasFocus.length ) {
                hasFocus = this.element.find( ":tabbable" );
        }
        if ( !hasFocus.length ) {
                hasFocus = this.uiDialogButtonPane.find( ":tabbable" );
        }
        if ( !hasFocus.length ) {
                hasFocus = this.uiDialogTitlebarClose.filter( ":tabbable" );
        }
        if ( !hasFocus.length ) {
                hasFocus = this.uiDialog;
        }
        hasFocus.eq( 0 ).focus();
},

_keepFocus: function( event ) {
        function checkFocus() {
                var activeElement = this.document[0].activeElement,
                        isActive = this.uiDialog[0] === activeElement ||
                                $.contains( this.uiDialog[0], activeElement );
                if ( !isActive ) {
                        this._focusTabbable();
                }
        }
        event.preventDefault();
        checkFocus.call( this );
        // support: IE
        // IE <= 8 doesn't prevent moving focus even with event.preventDefault()
        // so we check again later
        this._delay( checkFocus );
},

_createWrapper: function() {
        this.uiDialog = $("<div>")
                .addClass( "ui-dialog ui-widget ui-widget-content ui-corner-all ui-front " +
                        this.options.dialogClass )
                .hide()
                .attr({
                        // Setting tabIndex makes the div focusable
                        tabIndex: -1,
                        role: "dialog"
                })
                .appendTo( this._appendTo() );

        this._on( this.uiDialog, {
                keydown: function( event ) {
                        if ( this.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
                                        event.keyCode === $.ui.keyCode.ESCAPE ) {
                                event.preventDefault();
                                this.close( event );
                                return;
                        }

                        // prevent tabbing out of dialogs
                        if ( event.keyCode !== $.ui.keyCode.TAB || event.isDefaultPrevented() ) {
                                return;
                        }
                        var tabbables = this.uiDialog.find( ":tabbable" ),
                                first = tabbables.filter( ":first" ),
                                last = tabbables.filter( ":last" );

                        if ( ( event.target === last[0] || event.target === this.uiDialog[0] ) && !event.shiftKey ) {
                                this._delay(function() {
                                        first.focus();
                                });
                                event.preventDefault();
                        } else if ( ( event.target === first[0] || event.target === this.uiDialog[0] ) && event.shiftKey ) {
                                this._delay(function() {
                                        last.focus();
                                });
                                event.preventDefault();
                        }
                },
                mousedown: function( event ) {
                        if ( this._moveToTop( event ) ) {
                                this._focusTabbable();
                        }
                }
        });

        // We assume that any existing aria-describedby attribute means
        // that the dialog content is marked up properly
        // otherwise we brute force the content as the description
        if ( !this.element.find( "[aria-describedby]" ).length ) {
                this.uiDialog.attr({
                        "aria-describedby": this.element.uniqueId().attr( "id" )
                });
        }
},

_createTitlebar: function() {
        var uiDialogTitle;

        this.uiDialogTitlebar = $( "<div>" )
                .addClass( "ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix" )
                .prependTo( this.uiDialog );
        this._on( this.uiDialogTitlebar, {
                mousedown: function( event ) {
                        // Don't prevent click on close button (#8838)
                        // Focusing a dialog that is partially scrolled out of view
                        // causes the browser to scroll it into view, preventing the click event
                        if ( !$( event.target ).closest( ".ui-dialog-titlebar-close" ) ) {
                                // Dialog isn't getting focus when dragging (#8063)
                                this.uiDialog.focus();
                        }
                }
        });

        // support: IE
        // Use type="button" to prevent enter keypresses in textboxes from closing the
        // dialog in IE (#9312)
        this.uiDialogTitlebarClose = $( "<button type='button'></button>" )
                .button({
                        label: this.options.closeText,
                        icons: {
                                primary: "ui-icon-closethick"
                        },
                        text: false
                })
                .addClass( "ui-dialog-titlebar-close" )
                .appendTo( this.uiDialogTitlebar );
        this._on( this.uiDialogTitlebarClose, {
                click: function( event ) {
                        event.preventDefault();
                        this.close( event );
                }
        });

        uiDialogTitle = $( "<span>" )
                .uniqueId()
                .addClass( "ui-dialog-title" )
                .prependTo( this.uiDialogTitlebar );
        this._title( uiDialogTitle );

        this.uiDialog.attr({
                "aria-labelledby": uiDialogTitle.attr( "id" )
        });
},

_title: function( title ) {
        if ( !this.options.title ) {
                title.html( "&#160;" );
        }
        title.text( this.options.title );
},

_createButtonPane: function() {
        this.uiDialogButtonPane = $( "<div>" )
                .addClass( "ui-dialog-buttonpane ui-widget-content ui-helper-clearfix" );

        this.uiButtonSet = $( "<div>" )
                .addClass( "ui-dialog-buttonset" )
                .appendTo( this.uiDialogButtonPane );

        this._createButtons();
},

_createButtons: function() {
        var that = this,
                buttons = this.options.buttons;

        // if we already have a button pane, remove it
        this.uiDialogButtonPane.remove();
        this.uiButtonSet.empty();

        if ( $.isEmptyObject( buttons ) || ($.isArray( buttons ) && !buttons.length) ) {
                this.uiDialog.removeClass( "ui-dialog-buttons" );
                return;
        }

        $.each( buttons, function( name, props ) {
                var click, buttonOptions;
                props = $.isFunction( props ) ?
                        { click: props, text: name } :
                        props;
                // Default to a non-submitting button
                props = $.extend( { type: "button" }, props );
                // Change the context for the click callback to be the main element
                click = props.click;
                props.click = function() {
                        click.apply( that.element[ 0 ], arguments );
                };
                buttonOptions = {
                        icons: props.icons,
                        text: props.showText
                };
                delete props.icons;
                delete props.showText;
                $( "<button></button>", props )
                        .button( buttonOptions )
                        .appendTo( that.uiButtonSet );
        });
        this.uiDialog.addClass( "ui-dialog-buttons" );
        this.uiDialogButtonPane.appendTo( this.uiDialog );
},

_makeDraggable: function() {
        var that = this,
                options = this.options;

        function filteredUi( ui ) {
                return {
                        position: ui.position,
                        offset: ui.offset
                };
        }

        this.uiDialog.draggable({
                cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
                handle: ".ui-dialog-titlebar",
                containment: "document",
                start: function( event, ui ) {
                        $( this ).addClass( "ui-dialog-dragging" );
                        that._blockFrames();
                        that._trigger( "dragStart", event, filteredUi( ui ) );
                },
                drag: function( event, ui ) {
                        that._trigger( "drag", event, filteredUi( ui ) );
                },
                stop: function( event, ui ) {
                        var left = ui.offset.left - that.document.scrollLeft(),
                                top = ui.offset.top - that.document.scrollTop();

                        options.position = {
                                my: "left top",
                                at: "left" + (left >= 0 ? "+" : "") + left + " " +
                                        "top" + (top >= 0 ? "+" : "") + top,
                                of: that.window
                        };
                        $( this ).removeClass( "ui-dialog-dragging" );
                        that._unblockFrames();
                        that._trigger( "dragStop", event, filteredUi( ui ) );
                }
        });
},

_makeResizable: function() {
        var that = this,
                options = this.options,
                handles = options.resizable,
                // .ui-resizable has position: relative defined in the stylesheet
                // but dialogs have to use absolute or fixed positioning
                position = this.uiDialog.css("position"),
                resizeHandles = typeof handles === "string" ?
                        handles :
                        "n,e,s,w,se,sw,ne,nw";

        function filteredUi( ui ) {
                return {
                        originalPosition: ui.originalPosition,
                        originalSize: ui.originalSize,
                        position: ui.position,
                        size: ui.size
                };
        }

        this.uiDialog.resizable({
                cancel: ".ui-dialog-content",
                containment: "document",
                alsoResize: this.element,
                maxWidth: options.maxWidth,
                maxHeight: options.maxHeight,
                minWidth: options.minWidth,
                minHeight: this._minHeight(),
                handles: resizeHandles,
                start: function( event, ui ) {
                        $( this ).addClass( "ui-dialog-resizing" );
                        that._blockFrames();
                        that._trigger( "resizeStart", event, filteredUi( ui ) );
                },
                resize: function( event, ui ) {
                        that._trigger( "resize", event, filteredUi( ui ) );
                },
                stop: function( event, ui ) {
                        var offset = that.uiDialog.offset(),
                                left = offset.left - that.document.scrollLeft(),
                                top = offset.top - that.document.scrollTop();

                        options.height = that.uiDialog.height();
                        options.width = that.uiDialog.width();
                        options.position = {
                                my: "left top",
                                at: "left" + (left >= 0 ? "+" : "") + left + " " +
                                        "top" + (top >= 0 ? "+" : "") + top,
                                of: that.window
                        };
                        $( this ).removeClass( "ui-dialog-resizing" );
                        that._unblockFrames();
                        that._trigger( "resizeStop", event, filteredUi( ui ) );
                }
        })
        .css( "position", position );
},

_trackFocus: function() {
        this._on( this.widget(), {
                focusin: function( event ) {
                        this._makeFocusTarget();
                        this._focusedElement = $( event.target );
                }
        });
},

_makeFocusTarget: function() {
        this._untrackInstance();
        this._trackingInstances().unshift( this );
},

_untrackInstance: function() {
        var instances = this._trackingInstances(),
                exists = $.inArray( this, instances );
        if ( exists !== -1 ) {
                instances.splice( exists, 1 );
        }
},

_trackingInstances: function() {
        var instances = this.document.data( "ui-dialog-instances" );
        if ( !instances ) {
                instances = [];
                this.document.data( "ui-dialog-instances", instances );
        }
        return instances;
},

_minHeight: function() {
        var options = this.options;

        return options.height === "auto" ?
                options.minHeight :
                Math.min( options.minHeight, options.height );
},

_position: function() {
        // Need to show the dialog to get the actual offset in the position plugin
        var isVisible = this.uiDialog.is( ":visible" );
        if ( !isVisible ) {
                this.uiDialog.show();
        }
        this.uiDialog.position( this.options.position );
        if ( !isVisible ) {
                this.uiDialog.hide();
        }
},

_setOptions: function( options ) {
        var that = this,
                resize = false,
                resizableOptions = {};

        $.each( options, function( key, value ) {
                that._setOption( key, value );

                if ( key in that.sizeRelatedOptions ) {
                        resize = true;
                }
                if ( key in that.resizableRelatedOptions ) {
                        resizableOptions[ key ] = value;
                }
        });

        if ( resize ) {
                this._size();
                this._position();
        }
        if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
                this.uiDialog.resizable( "option", resizableOptions );
        }
},

_setOption: function( key, value ) {
        var isDraggable, isResizable,
                uiDialog = this.uiDialog;

        if ( key === "dialogClass" ) {
                uiDialog
                        .removeClass( this.options.dialogClass )
                        .addClass( value );
        }

        if ( key === "disabled" ) {
                return;
        }

        this._super( key, value );

        if ( key === "appendTo" ) {
                this.uiDialog.appendTo( this._appendTo() );
        }

        if ( key === "buttons" ) {
                this._createButtons();
        }

        if ( key === "closeText" ) {
                this.uiDialogTitlebarClose.button({
                        // Ensure that we always pass a string
                        label: "" + value
                });
        }

        if ( key === "draggable" ) {
                isDraggable = uiDialog.is( ":data(ui-draggable)" );
                if ( isDraggable && !value ) {
                        uiDialog.draggable( "destroy" );
                }

                if ( !isDraggable && value ) {
                        this._makeDraggable();
                }
        }

        if ( key === "position" ) {
                this._position();
        }

        if ( key === "resizable" ) {
                // currently resizable, becoming non-resizable
                isResizable = uiDialog.is( ":data(ui-resizable)" );
                if ( isResizable && !value ) {
                        uiDialog.resizable( "destroy" );
                }

                // currently resizable, changing handles
                if ( isResizable && typeof value === "string" ) {
                        uiDialog.resizable( "option", "handles", value );
                }

                // currently non-resizable, becoming resizable
                if ( !isResizable && value !== false ) {
                        this._makeResizable();
                }
        }

        if ( key === "title" ) {
                this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
        }
},

_size: function() {
        // If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
        // divs will both have width and height set, so we need to reset them
        var nonContentHeight, minContentHeight, maxContentHeight,
                options = this.options;

        // Reset content sizing
        this.element.show().css({
                width: "auto",
                minHeight: 0,
                maxHeight: "none",
                height: 0
        });

        if ( options.minWidth > options.width ) {
                options.width = options.minWidth;
        }

        // reset wrapper sizing
        // determine the height of all the non-content elements
        nonContentHeight = this.uiDialog.css({
                        height: "auto",
                        width: options.width
                })
                .outerHeight();
        minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
        maxContentHeight = typeof options.maxHeight === "number" ?
                Math.max( 0, options.maxHeight - nonContentHeight ) :
                "none";

        if ( options.height === "auto" ) {
                this.element.css({
                        minHeight: minContentHeight,
                        maxHeight: maxContentHeight,
                        height: "auto"
                });
        } else {
                this.element.height( Math.max( 0, options.height - nonContentHeight ) );
        }

        if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
                this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
        }
},

_blockFrames: function() {
        this.iframeBlocks = this.document.find( "iframe" ).map(function() {
                var iframe = $( this );

                return $( "<div>" )
                        .css({
                                position: "absolute",
                                width: iframe.outerWidth(),
                                height: iframe.outerHeight()
                        })
                        .appendTo( iframe.parent() )
                        .offset( iframe.offset() )[0];
        });
},

_unblockFrames: function() {
        if ( this.iframeBlocks ) {
                this.iframeBlocks.remove();
                delete this.iframeBlocks;
        }
},

_allowInteraction: function( event ) {
        if ( $( event.target ).closest( ".ui-dialog" ).length ) {
                return true;
        }

        // TODO: Remove hack when datepicker implements
        // the .ui-front logic (#8989)
        return !!$( event.target ).closest( ".ui-datepicker" ).length;
},

_createOverlay: function() {
        if ( !this.options.modal ) {
                return;
        }

        // We use a delay in case the overlay is created from an
        // event that we're going to be cancelling (#2804)
        var isOpening = true;
        this._delay(function() {
                isOpening = false;
        });

        if ( !this.document.data( "ui-dialog-overlays" ) ) {

                // Prevent use of anchors and inputs
                // Using _on() for an event handler shared across many instances is
                // safe because the dialogs stack and must be closed in reverse order
                this._on( this.document, {
                        focusin: function( event ) {
                                if ( isOpening ) {
                                        return;
                                }

                                if ( !this._allowInteraction( event ) ) {
                                        event.preventDefault();
                                        this._trackingInstances()[ 0 ]._focusTabbable();
                                }
                        }
                });
        }

        this.overlay = $( "<div>" )
                .addClass( "ui-widget-overlay ui-front" )
                .appendTo( this._appendTo() );
        this._on( this.overlay, {
                mousedown: "_keepFocus"
        });
        this.document.data( "ui-dialog-overlays",
                (this.document.data( "ui-dialog-overlays" ) || 0) + 1 );
},

_destroyOverlay: function() {
        if ( !this.options.modal ) {
                return;
        }

        if ( this.overlay ) {
                var overlays = this.document.data( "ui-dialog-overlays" ) - 1;

                if ( !overlays ) {
                        this.document
                                .unbind( "focusin" )
                                .removeData( "ui-dialog-overlays" );
                } else {
                        this.document.data( "ui-dialog-overlays", overlays );
                }

                this.overlay.remove();
                this.overlay = null;
        }
}

});

}));