/*
* jQuery UI Dialog 1.7.1
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Dialog
*
* Depends:
*	ui.core.js
*	ui.draggable.js
*	ui.resizable.js
*/
(function($) {

    var setDataSwitch = {
        dragStart: "start.draggable",
        drag: "drag.draggable",
        dragStop: "stop.draggable",
        maxHeight: "maxHeight.resizable",
        minHeight: "minHeight.resizable",
        maxWidth: "maxWidth.resizable",
        minWidth: "minWidth.resizable",
        resizeStart: "start.resizable",
        resize: "drag.resizable",
        resizeStop: "stop.resizable"
    },

	uiDialogClasses =
		'ui-dialog ' +
		'ui-widget ' +
		'ui-widget-content ' +
		'ui-corner-all ';

    $.widget("ui.dialog", {

        _init: function() {
            this.originalTitle = this.element.attr('title');

            var self = this,
			options = this.options,

			title = options.title || this.originalTitle || ' ',
			titleId = $.ui.dialog.getTitleId(this.element),

			uiDialog = (this.uiDialog = $('<div/>'))
				.appendTo(document.body)
				.hide()
				.addClass(uiDialogClasses + options.dialogClass)
				.css({
				    position: 'absolute',
				    overflow: 'hidden',
				    zIndex: options.zIndex
				})
            // setting tabIndex makes the div focusable
            // setting outline to 0 prevents a border on focus in Mozilla
				.attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
				    (options.closeOnEscape && event.keyCode
						&& event.keyCode == $.ui.keyCode.ESCAPE && self.close(event));
				})
				.attr({
				    role: 'dialog',
				    'aria-labelledby': titleId
				})
				.mousedown(function(event) {
				    self.moveToTop(false, event);
				}),

			uiDialogContent = this.element
				.show()
				.removeAttr('title')
				.addClass(
					'ui-dialog-content ' +
					'ui-widget-content')
				.appendTo(uiDialog),

			uiDialogTitlebar = (this.uiDialogTitlebar = $('<div></div>'))
				.addClass(
					'ui-dialog-titlebar ' +
					'ui-widget-header ' +
					'ui-corner-all ' +
					'ui-helper-clearfix'
				)
				.prependTo(uiDialog),

			uiDialogTitlebarClose = $('<a href="#"/>')
				.addClass(
					'ui-dialog-titlebar-close ' +
					'ui-corner-all'
				)
				.attr('role', 'button')
				.hover(
					function() {
					    uiDialogTitlebarClose.addClass('ui-state-hover');
					},
					function() {
					    uiDialogTitlebarClose.removeClass('ui-state-hover');
					}
				)
				.focus(function() {
				    uiDialogTitlebarClose.addClass('ui-state-focus');
				})
				.blur(function() {
				    uiDialogTitlebarClose.removeClass('ui-state-focus');
				})
				.mousedown(function(ev) {
				    ev.stopPropagation();
				})
				.click(function(event) {
				    self.close(event);
				    return false;
				})
				.appendTo(uiDialogTitlebar),

			uiDialogTitlebarCloseText = (this.uiDialogTitlebarCloseText = $('<span/>'))
				.addClass(
					'ui-icon ' +
					'ui-icon-closethick'
				)
				.text(options.closeText)
				.appendTo(uiDialogTitlebarClose),

			uiDialogTitle = $('<span/>')
				.addClass('ui-dialog-title')
				.attr('id', titleId)
				.html(title)
				.prependTo(uiDialogTitlebar);

            uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();

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

            this._createButtons(options.buttons);
            this._isOpen = false;

            (options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
            (options.autoOpen && this.open());

        },

        destroy: function() {
            (this.overlay && this.overlay.destroy());
            this.uiDialog.hide();
            this.element
			.unbind('.dialog')
			.removeData('dialog')
			.removeClass('ui-dialog-content ui-widget-content')
			.hide().appendTo('body');
            this.uiDialog.remove();

            (this.originalTitle && this.element.attr('title', this.originalTitle));
        },

        close: function(event) {
            var self = this;

            if (false === self._trigger('beforeclose', event)) {
                return;
            }

            (self.overlay && self.overlay.destroy());
            self.uiDialog.unbind('keypress.ui-dialog');

            (self.options.hide
			? self.uiDialog.hide(self.options.hide, function() {
			    self._trigger('close', event);
			})
			: self.uiDialog.hide() && self._trigger('close', event));

            $.ui.dialog.overlay.resize();

            self._isOpen = false;
        },

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

        // the force parameter allows us to move modal dialogs to their correct
        // position on open
        moveToTop: function(force, event) {

            if ((this.options.modal && !force)
			|| (!this.options.stack && !this.options.modal)) {
                return this._trigger('focus', event);
            }

            if (this.options.zIndex > $.ui.dialog.maxZ) {
                $.ui.dialog.maxZ = this.options.zIndex;
            }
            (this.overlay && this.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = ++$.ui.dialog.maxZ));

            //Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
            //  http://ui.jquery.com/bugs/ticket/3193
            var saveScroll = { scrollTop: this.element.attr('scrollTop'), scrollLeft: this.element.attr('scrollLeft') };
            this.uiDialog.css('z-index', ++$.ui.dialog.maxZ);
            this.element.attr(saveScroll);
            this._trigger('focus', event);
        },

        open: function() {
            if (this._isOpen) { return; }

            var options = this.options,
			uiDialog = this.uiDialog;

            this.overlay = options.modal ? new $.ui.dialog.overlay(this) : null;
            (uiDialog.next().length && uiDialog.appendTo('body'));
            this._size();
            this._position(options.position);
            uiDialog.show(options.show);
            this.moveToTop(true);

            // prevent tabbing out of modal dialogs
            (options.modal && uiDialog.bind('keypress.ui-dialog', function(event) {
                if (event.keyCode != $.ui.keyCode.TAB) {
                    return;
                }

                var tabbables = $(':tabbable', this),
				first = tabbables.filter(':first')[0],
				last = tabbables.filter(':last')[0];

                if (event.target == last && !event.shiftKey) {
                    setTimeout(function() {
                        first.focus();
                    }, 1);
                } else if (event.target == first && event.shiftKey) {
                    setTimeout(function() {
                        last.focus();
                    }, 1);
                }
            }));

            // set focus to the first tabbable element in the content area or the first button
            // if there are no tabbable elements, set focus on the dialog itself
            $([])
			.add(uiDialog.find('.ui-dialog-content :tabbable:first'))
			.add(uiDialog.find('.ui-dialog-buttonpane :tabbable:first'))
			.add(uiDialog)
			.filter(':first')
			.focus();

            this._trigger('open');
            this._isOpen = true;
        },

        _createButtons: function(buttons) {
            var self = this,
			hasButtons = false,
			uiDialogButtonPane = $('<div></div>')
				.addClass(
					'ui-dialog-buttonpane ' +
					'ui-widget-content ' +
					'ui-helper-clearfix'
				);

            // if we already have a button pane, remove it
            this.uiDialog.find('.ui-dialog-buttonpane').remove();

            (typeof buttons == 'object' && buttons !== null &&
			$.each(buttons, function() { return !(hasButtons = true); }));
            if (hasButtons) {
                $.each(buttons, function(name, fn) {
                    $('<button type="button"></button>')
					.addClass(
						'ui-state-default ' +
						'ui-corner-all'
					)
					.text(name)
					.click(function() { fn.apply(self.element[0], arguments); })
					.hover(
						function() {
						    $(this).addClass('ui-state-hover');
						},
						function() {
						    $(this).removeClass('ui-state-hover');
						}
					)
					.focus(function() {
					    $(this).addClass('ui-state-focus');
					})
					.blur(function() {
					    $(this).removeClass('ui-state-focus');
					})
					.attr("id", name)//ADDED
					.appendTo(uiDialogButtonPane);
                });
                uiDialogButtonPane.appendTo(this.uiDialog);
            }
        },

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

            this.uiDialog.draggable({
                cancel: '.ui-dialog-content',
                handle: '.ui-dialog-titlebar',
                containment: 'document',
                start: function() {
                    heightBeforeDrag = options.height;
                    $(this).height($(this).height()).addClass("ui-dialog-dragging");
                    (options.dragStart && options.dragStart.apply(self.element[0], arguments));
                },
                drag: function() {
                    (options.drag && options.drag.apply(self.element[0], arguments));
                },
                stop: function() {
                    $(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
                    (options.dragStop && options.dragStop.apply(self.element[0], arguments));
                    $.ui.dialog.overlay.resize();
                }
            });
        },

        _makeResizable: function(handles) {
            handles = (handles === undefined ? this.options.resizable : handles);
            var self = this,
			options = this.options,
			resizeHandles = typeof handles == 'string'
				? handles
				: 'n,e,s,w,se,sw,ne,nw';

            this.uiDialog.resizable({
                cancel: '.ui-dialog-content',
                alsoResize: this.element,
                maxWidth: options.maxWidth,
                maxHeight: options.maxHeight,
                minWidth: options.minWidth,
                minHeight: options.minHeight,
                start: function() {
                    $(this).addClass("ui-dialog-resizing");
                    (options.resizeStart && options.resizeStart.apply(self.element[0], arguments));
                },
                resize: function() {
                    (options.resize && options.resize.apply(self.element[0], arguments));
                },
                handles: resizeHandles,
                stop: function() {
                    $(this).removeClass("ui-dialog-resizing");
                    options.height = $(this).height();
                    options.width = $(this).width();
                    (options.resizeStop && options.resizeStop.apply(self.element[0], arguments));
                    $.ui.dialog.overlay.resize();
                }
            })
		.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
        },

        _position: function(pos) {
            var wnd = $(window), doc = $(document),
			pTop = doc.scrollTop(), pLeft = doc.scrollLeft(),
			minTop = pTop;

            if ($.inArray(pos, ['center', 'top', 'right', 'bottom', 'left']) >= 0) {
                pos = [
				pos == 'right' || pos == 'left' ? pos : 'center',
				pos == 'top' || pos == 'bottom' ? pos : 'middle'
			];
            }
            if (pos.constructor != Array) {
                pos = ['center', 'middle'];
            }
            if (pos[0].constructor == Number) {
                pLeft += pos[0];
            } else {
                switch (pos[0]) {
                    case 'left':
                        pLeft += 0;
                        break;
                    case 'right':
                        pLeft += wnd.width() - this.uiDialog.outerWidth();
                        break;
                    default:
                    case 'center':
                        pLeft += (wnd.width() - this.uiDialog.outerWidth()) / 2;
                }
            }
            if (pos[1].constructor == Number) {
                pTop += pos[1];
            } else {
                switch (pos[1]) {
                    case 'top':
                        pTop += 0;
                        break;
                    case 'bottom':
                        pTop += wnd.height() - this.uiDialog.outerHeight();
                        break;
                    default:
                    case 'middle':
                        pTop += (wnd.height() - this.uiDialog.outerHeight()) / 2;
                }
            }

            // prevent the dialog from being too high (make sure the titlebar
            // is accessible)
            pTop = Math.max(pTop, minTop);
            this.uiDialog.css({ top: pTop, left: pLeft });
        },

        _setData: function(key, value) {
            (setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
            switch (key) {
                case "buttons":
                    this._createButtons(value);
                    break;
                case "closeText":
                    this.uiDialogTitlebarCloseText.text(value);
                    break;
                case "dialogClass":
                    this.uiDialog
					.removeClass(this.options.dialogClass)
					.addClass(uiDialogClasses + value);
                    break;
                case "draggable":
                    (value
					? this._makeDraggable()
					: this.uiDialog.draggable('destroy'));
                    break;
                case "height":
                    this.uiDialog.height(value);
                    break;
                case "position":
                    this._position(value);
                    break;
                case "resizable":
                    var uiDialog = this.uiDialog,
					isResizable = this.uiDialog.is(':data(resizable)');

                    // currently resizable, becoming non-resizable
                    (isResizable && !value && uiDialog.resizable('destroy'));

                    // currently resizable, changing handles
                    (isResizable && typeof value == 'string' &&
					uiDialog.resizable('option', 'handles', value));

                    // currently non-resizable, becoming resizable
                    (isResizable || this._makeResizable(value));
                    break;
                case "title":
                    $(".ui-dialog-title", this.uiDialogTitlebar).html(value || '&nbsp;');
                    break;
                case "width":
                    this.uiDialog.width(value);
                    break;
            }

            $.widget.prototype._setData.apply(this, arguments);
        },

        _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 options = this.options;

            // reset content sizing
            this.element.css({
                height: 0,
                minHeight: 0,
                width: 'auto'
            });

            // reset wrapper sizing
            // determine the height of all the non-content elements
            var nonContentHeight = this.uiDialog.css({
                height: 'auto',
                width: options.width
            })
			.height();

            this.element
			.css({
			    minHeight: Math.max(options.minHeight - nonContentHeight, 0),
			    height: options.height == 'auto'
					? 'auto'
					: Math.max(options.height - nonContentHeight, 0)
			});
        }
    });

    $.extend($.ui.dialog, {
        version: "1.7.1",
        defaults: {
            autoOpen: true,
            bgiframe: false,
            buttons: {},
            closeOnEscape: true,
            closeText: 'close',
            dialogClass: '',
            draggable: true,
            hide: null,
            height: 'auto',
            maxHeight: false,
            maxWidth: false,
            minHeight: 150,
            minWidth: 150,
            modal: false,
            position: 'center',
            resizable: true,
            show: null,
            stack: true,
            title: '',
            width: 300,
            zIndex: 1000
        },

        getter: 'isOpen',

        uuid: 0,
        maxZ: 0,

        getTitleId: function($el) {
            return 'ui-dialog-title-' + ($el.attr('id') || ++this.uuid);
        },

        overlay: function(dialog) {
            this.$el = $.ui.dialog.overlay.create(dialog);
        }
    });

    $.extend($.ui.dialog.overlay, {
        instances: [],
        maxZ: 0,
        events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
		function(event) { return event + '.dialog-overlay'; }).join(' '),
        create: function(dialog) {
            if (this.instances.length === 0) {
                // prevent use of anchors and inputs
                // we use a setTimeout in case the overlay is created from an
                // event that we're going to be cancelling (see #2804)
                setTimeout(function() {
                    $(document).bind($.ui.dialog.overlay.events, function(event) {
                        var dialogZ = $(event.target).parents('.ui-dialog').css('zIndex') || 0;
                        return (dialogZ > $.ui.dialog.overlay.maxZ);
                    });
                }, 1);

                // allow closing by pressing the escape key
                $(document).bind('keydown.dialog-overlay', function(event) {
                    (dialog.options.closeOnEscape && event.keyCode
						&& event.keyCode == $.ui.keyCode.ESCAPE && dialog.close(event));
                });

                // handle window resize
                $(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
            }

            var $el = $('<div></div>').appendTo(document.body)
			.addClass('ui-widget-overlay').css({
			    width: this.width(),
			    height: this.height()
			});

            (dialog.options.bgiframe && $.fn.bgiframe && $el.bgiframe());

            this.instances.push($el);
            return $el;
        },

        destroy: function($el) {
            this.instances.splice($.inArray(this.instances, $el), 1);

            if (this.instances.length === 0) {
                $([document, window]).unbind('.dialog-overlay');
            }

            $el.remove();
        },

        height: function() {
            // handle IE 6
            if ($.browser.msie && $.browser.version < 7) {
                var scrollHeight = Math.max(
				document.documentElement.scrollHeight,
				document.body.scrollHeight
			);
                var offsetHeight = Math.max(
				document.documentElement.offsetHeight,
				document.body.offsetHeight
			);

                if (scrollHeight < offsetHeight) {
                    return $(window).height() + 'px';
                } else {
                    return scrollHeight + 'px';
                }
                // handle "good" browsers
            } else {
                return $(document).height() + 'px';
            }
        },

        width: function() {
            // handle IE 6
            if ($.browser.msie && $.browser.version < 7) {
                var scrollWidth = Math.max(
				document.documentElement.scrollWidth,
				document.body.scrollWidth
			);
                var offsetWidth = Math.max(
				document.documentElement.offsetWidth,
				document.body.offsetWidth
			);

                if (scrollWidth < offsetWidth) {
                    return $(window).width() + 'px';
                } else {
                    return scrollWidth + 'px';
                }
                // handle "good" browsers
            } else {
                return $(document).width() + 'px';
            }
        },

        resize: function() {
            /* If the dialog is draggable and the user drags it past the
            * right edge of the window, the document becomes wider so we
            * need to stretch the overlay. If the user then drags the
            * dialog back to the left, the document will become narrower,
            * so we need to shrink the overlay to the appropriate size.
            * This is handled by shrinking the overlay before setting it
            * to the full document size.
            */
            var $overlays = $([]);
            $.each($.ui.dialog.overlay.instances, function() {
                $overlays = $overlays.add(this);
            });

            $overlays.css({
                width: 0,
                height: 0
            }).css({
                width: $.ui.dialog.overlay.width(),
                height: $.ui.dialog.overlay.height()
            });
        }
    });

    $.extend($.ui.dialog.overlay.prototype, {
        destroy: function() {
            $.ui.dialog.overlay.destroy(this.$el);
        }
    });

})(jQuery);