jquery/ui.core.js

@@ -0,0 +1,519 @@
+/*
+ * jQuery UI 1.7
+ *
+ * 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
+ */
+;jQuery.ui || (function($) {
+
+var _remove = $.fn.remove,
+	isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
+
+//Helper functions and ui object
+$.ui = {
+	version: "1.7",
+
+	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
+	plugin: {
+		add: function(module, option, set) {
+			var proto = $.ui[module].prototype;
+			for(var i in set) {
+				proto.plugins[i] = proto.plugins[i] || [];
+				proto.plugins[i].push([option, set[i]]);
+			}
+		},
+		call: function(instance, name, args) {
+			var set = instance.plugins[name];
+			if(!set || !instance.element[0].parentNode) { return; }
+
+			for (var i = 0; i < set.length; i++) {
+				if (instance.options[set[i][0]]) {
+					set[i][1].apply(instance.element, args);
+				}
+			}
+		}
+	},
+
+	contains: function(a, b) {
+		return document.compareDocumentPosition
+			? a.compareDocumentPosition(b) & 16
+			: a !== b && a.contains(b);
+	},
+
+	hasScroll: function(el, a) {
+
+		//If overflow is hidden, the element might have extra content, but the user wants to hide it
+		if ($(el).css('overflow') == 'hidden') { return false; }
+
+		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
+			has = false;
+
+		if (el[scroll] > 0) { return true; }
+
+		// TODO: determine which cases actually cause this to happen
+		// if the element doesn't have the scroll set, see if it's possible to
+		// set the scroll
+		el[scroll] = 1;
+		has = (el[scroll] > 0);
+		el[scroll] = 0;
+		return has;
+	},
+
+	isOverAxis: function(x, reference, size) {
+		//Determines when x coordinate is over "b" element axis
+		return (x > reference) && (x < (reference + size));
+	},
+
+	isOver: function(y, x, top, left, height, width) {
+		//Determines when x, y coordinates is over "b" element
+		return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
+	},
+
+	keyCode: {
+		BACKSPACE: 8,
+		CAPS_LOCK: 20,
+		COMMA: 188,
+		CONTROL: 17,
+		DELETE: 46,
+		DOWN: 40,
+		END: 35,
+		ENTER: 13,
+		ESCAPE: 27,
+		HOME: 36,
+		INSERT: 45,
+		LEFT: 37,
+		NUMPAD_ADD: 107,
+		NUMPAD_DECIMAL: 110,
+		NUMPAD_DIVIDE: 111,
+		NUMPAD_ENTER: 108,
+		NUMPAD_MULTIPLY: 106,
+		NUMPAD_SUBTRACT: 109,
+		PAGE_DOWN: 34,
+		PAGE_UP: 33,
+		PERIOD: 190,
+		RIGHT: 39,
+		SHIFT: 16,
+		SPACE: 32,
+		TAB: 9,
+		UP: 38
+	}
+};
+
+// WAI-ARIA normalization
+if (isFF2) {
+	var attr = $.attr,
+		removeAttr = $.fn.removeAttr,
+		ariaNS = "http://www.w3.org/2005/07/aaa",
+		ariaState = /^aria-/,
+		ariaRole = /^wairole:/;
+
+	$.attr = function(elem, name, value) {
+		var set = value !== undefined;
+
+		return (name == 'role'
+			? (set
+				? attr.call(this, elem, name, "wairole:" + value)
+				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
+			: (ariaState.test(name)
+				? (set
+					? elem.setAttributeNS(ariaNS,
+						name.replace(ariaState, "aaa:"), value)
+					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
+				: attr.apply(this, arguments)));
+	};
+
+	$.fn.removeAttr = function(name) {
+		return (ariaState.test(name)
+			? this.each(function() {
+				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
+			}) : removeAttr.call(this, name));
+	};
+}
+
+//jQuery plugins
+$.fn.extend({
+	remove: function() {
+		// Safari has a native remove event which actually removes DOM elements,
+		// so we have to use triggerHandler instead of trigger (#3037).
+		$("*", this).add(this).each(function() {
+			$(this).triggerHandler("remove");
+		});
+		return _remove.apply(this, arguments );
+	},
+
+	enableSelection: function() {
+		return this
+			.attr('unselectable', 'off')
+			.css('MozUserSelect', '')
+			.unbind('selectstart.ui');
+	},
+
+	disableSelection: function() {
+		return this
+			.attr('unselectable', 'on')
+			.css('MozUserSelect', 'none')
+			.bind('selectstart.ui', function() { return false; });
+	},
+
+	scrollParent: function() {
+		var scrollParent;
+		if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
+			scrollParent = this.parents().filter(function() {
+				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
+			}).eq(0);
+		} else {
+			scrollParent = this.parents().filter(function() {
+				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
+			}).eq(0);
+		}
+
+		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
+	}
+});
+
+
+//Additional selectors
+$.extend($.expr[':'], {
+	data: function(elem, i, match) {
+		return !!$.data(elem, match[3]);
+	},
+
+	focusable: function(element) {
+		var nodeName = element.nodeName.toLowerCase(),
+			tabIndex = $.attr(element, 'tabindex');
+		return (/input|select|textarea|button|object/.test(nodeName)
+			? !element.disabled
+			: 'a' == nodeName || 'area' == nodeName
+				? element.href || !isNaN(tabIndex)
+				: !isNaN(tabIndex))
+			// the element and all of its ancestors must be visible
+			// the browser may report that the area is hidden
+			&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
+	},
+
+	tabbable: function(element) {
+		var tabIndex = $.attr(element, 'tabindex');
+		return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');
+	}
+});
+
+
+// $.widget is a factory to create jQuery plugins
+// taking some boilerplate code out of the plugin code
+function getter(namespace, plugin, method, args) {
+	function getMethods(type) {
+		var methods = $[namespace][plugin][type] || [];
+		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
+	}
+
+	var methods = getMethods('getter');
+	if (args.length == 1 && typeof args[0] == 'string') {
+		methods = methods.concat(getMethods('getterSetter'));
+	}
+	return ($.inArray(method, methods) != -1);
+}
+
+$.widget = function(name, prototype) {
+	var namespace = name.split(".")[0];
+	name = name.split(".")[1];
+
+	// create plugin method
+	$.fn[name] = function(options) {
+		var isMethodCall = (typeof options == 'string'),
+			args = Array.prototype.slice.call(arguments, 1);
+
+		// prevent calls to internal methods
+		if (isMethodCall && options.substring(0, 1) == '_') {
+			return this;
+		}
+
+		// handle getter methods
+		if (isMethodCall && getter(namespace, name, options, args)) {
+			var instance = $.data(this[0], name);
+			return (instance ? instance[options].apply(instance, args)
+				: undefined);
+		}
+
+		// handle initialization and non-getter methods
+		return this.each(function() {
+			var instance = $.data(this, name);
+
+			// constructor
+			(!instance && !isMethodCall &&
+				$.data(this, name, new $[namespace][name](this, options))._init());
+
+			// method call
+			(instance && isMethodCall && $.isFunction(instance[options]) &&
+				instance[options].apply(instance, args));
+		});
+	};
+
+	// create widget constructor
+	$[namespace] = $[namespace] || {};
+	$[namespace][name] = function(element, options) {
+		var self = this;
+
+		this.namespace = namespace;
+		this.widgetName = name;
+		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
+		this.widgetBaseClass = namespace + '-' + name;
+
+		this.options = $.extend({},
+			$.widget.defaults,
+			$[namespace][name].defaults,
+			$.metadata && $.metadata.get(element)[name],
+			options);
+
+		this.element = $(element)
+			.bind('setData.' + name, function(event, key, value) {
+				if (event.target == element) {
+					return self._setData(key, value);
+				}
+			})
+			.bind('getData.' + name, function(event, key) {
+				if (event.target == element) {
+					return self._getData(key);
+				}
+			})
+			.bind('remove', function() {
+				return self.destroy();
+			});
+	};
+
+	// add widget prototype
+	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
+
+	// TODO: merge getter and getterSetter properties from widget prototype
+	// and plugin prototype
+	$[namespace][name].getterSetter = 'option';
+};
+
+$.widget.prototype = {
+	_init: function() {},
+	destroy: function() {
+		this.element.removeData(this.widgetName)
+			.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
+			.removeAttr('aria-disabled');
+	},
+
+	option: function(key, value) {
+		var options = key,
+			self = this;
+
+		if (typeof key == "string") {
+			if (value === undefined) {
+				return this._getData(key);
+			}
+			options = {};
+			options[key] = value;
+		}
+
+		$.each(options, function(key, value) {
+			self._setData(key, value);
+		});
+	},
+	_getData: function(key) {
+		return this.options[key];
+	},
+	_setData: function(key, value) {
+		this.options[key] = value;
+
+		if (key == 'disabled') {
+			this.element
+				[value ? 'addClass' : 'removeClass'](
+					this.widgetBaseClass + '-disabled' + ' ' +
+					this.namespace + '-state-disabled')
+				.attr("aria-disabled", value);
+		}
+	},
+
+	enable: function() {
+		this._setData('disabled', false);
+	},
+	disable: function() {
+		this._setData('disabled', true);
+	},
+
+	_trigger: function(type, event, data) {
+		var callback = this.options[type],
+			eventName = (type == this.widgetEventPrefix
+				? type : this.widgetEventPrefix + type);
+
+		event = $.Event(event);
+		event.type = eventName;
+
+		// copy original event properties over to the new event
+		// this would happen if we could call $.event.fix instead of $.Event
+		// but we don't have a way to force an event to be fixed multiple times
+		if (event.originalEvent) {
+			for (var i = $.event.props.length, prop; i;) {
+				prop = $.event.props[--i];
+				event[prop] = event.originalEvent[prop];
+			}
+		}
+
+		this.element.trigger(event, data);
+
+		return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
+			|| event.isDefaultPrevented());
+	}
+};
+
+$.widget.defaults = {
+	disabled: false
+};
+
+
+/** Mouse Interaction Plugin **/
+
+$.ui.mouse = {
+	_mouseInit: function() {
+		var self = this;
+
+		this.element
+			.bind('mousedown.'+this.widgetName, function(event) {
+				return self._mouseDown(event);
+			})
+			.bind('click.'+this.widgetName, function(event) {
+				if(self._preventClickEvent) {
+					self._preventClickEvent = false;
+					event.stopImmediatePropagation();
+					return false;
+				}
+			});
+
+		// Prevent text selection in IE
+		if ($.browser.msie) {
+			this._mouseUnselectable = this.element.attr('unselectable');
+			this.element.attr('unselectable', 'on');
+		}
+
+		this.started = false;
+	},
+
+	// TODO: make sure destroying one instance of mouse doesn't mess with
+	// other instances of mouse
+	_mouseDestroy: function() {
+		this.element.unbind('.'+this.widgetName);
+
+		// Restore text selection in IE
+		($.browser.msie
+			&& this.element.attr('unselectable', this._mouseUnselectable));
+	},
+
+	_mouseDown: function(event) {
+		// don't let more than one widget handle mouseStart
+		// TODO: figure out why we have to use originalEvent
+		event.originalEvent = event.originalEvent || {};
+		if (event.originalEvent.mouseHandled) { return; }
+
+		// we may have missed mouseup (out of window)
+		(this._mouseStarted && this._mouseUp(event));
+
+		this._mouseDownEvent = event;
+
+		var self = this,
+			btnIsLeft = (event.which == 1),
+			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
+		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
+			return true;
+		}
+
+		this.mouseDelayMet = !this.options.delay;
+		if (!this.mouseDelayMet) {
+			this._mouseDelayTimer = setTimeout(function() {
+				self.mouseDelayMet = true;
+			}, this.options.delay);
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted = (this._mouseStart(event) !== false);
+			if (!this._mouseStarted) {
+				event.preventDefault();
+				return true;
+			}
+		}
+
+		// these delegates are required to keep context
+		this._mouseMoveDelegate = function(event) {
+			return self._mouseMove(event);
+		};
+		this._mouseUpDelegate = function(event) {
+			return self._mouseUp(event);
+		};
+		$(document)
+			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		// preventDefault() is used to prevent the selection of text here -
+		// however, in Safari, this causes select boxes not to be selectable
+		// anymore, so this fix is needed
+		($.browser.safari || event.preventDefault());
+
+		event.originalEvent.mouseHandled = true;
+		return true;
+	},
+
+	_mouseMove: function(event) {
+		// IE mouseup check - mouseup happened when mouse was out of window
+		if ($.browser.msie && !event.button) {
+			return this._mouseUp(event);
+		}
+
+		if (this._mouseStarted) {
+			this._mouseDrag(event);
+			return event.preventDefault();
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted =
+				(this._mouseStart(this._mouseDownEvent, event) !== false);
+			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
+		}
+
+		return !this._mouseStarted;
+	},
+
+	_mouseUp: function(event) {
+		$(document)
+			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		if (this._mouseStarted) {
+			this._mouseStarted = false;
+			this._preventClickEvent = (event.target == this._mouseDownEvent.target);
+			this._mouseStop(event);
+		}
+
+		return false;
+	},
+
+	_mouseDistanceMet: function(event) {
+		return (Math.max(
+				Math.abs(this._mouseDownEvent.pageX - event.pageX),
+				Math.abs(this._mouseDownEvent.pageY - event.pageY)
+			) >= this.options.distance
+		);
+	},
+
+	_mouseDelayMet: function(event) {
+		return this.mouseDelayMet;
+	},
+
+	// These are placeholder methods, to be overriden by extending plugin
+	_mouseStart: function(event) {},
+	_mouseDrag: function(event) {},
+	_mouseStop: function(event) {},
+	_mouseCapture: function(event) { return true; }
+};
+
+$.ui.mouse.defaults = {
+	cancel: null,
+	distance: 1,
+	delay: 0
+};
+
+})(jQuery);

jquery/ui.draggable.js

@@ -0,0 +1,766 @@
+/*
+ * jQuery UI Draggable 1.7
+ *
+ * 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/Draggables
+ *
+ * Depends:
+ *	ui.core.js
+ */
+(function($) {
+
+$.widget("ui.draggable", $.extend({}, $.ui.mouse, {
+
+	_init: function() {
+
+		if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position")))
+			this.element[0].style.position = 'relative';
+
+		(this.options.addClasses && this.element.addClass("ui-draggable"));
+		(this.options.disabled && this.element.addClass("ui-draggable-disabled"));
+
+		this._mouseInit();
+
+	},
+
+	destroy: function() {
+		if(!this.element.data('draggable')) return;
+		this.element
+			.removeData("draggable")
+			.unbind(".draggable")
+			.removeClass("ui-draggable"
+				+ " ui-draggable-dragging"
+				+ " ui-draggable-disabled");
+		this._mouseDestroy();
+	},
+
+	_mouseCapture: function(event) {
+
+		var o = this.options;
+
+		if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
+			return false;
+
+		//Quit if we're not on a valid handle
+		this.handle = this._getHandle(event);
+		if (!this.handle)
+			return false;
+
+		return true;
+
+	},
+
+	_mouseStart: function(event) {
+
+		var o = this.options;
+
+		//Create and append the visible helper
+		this.helper = this._createHelper(event);
+
+		//Cache the helper size
+		this._cacheHelperProportions();
+
+		//If ddmanager is used for droppables, set the global draggable
+		if($.ui.ddmanager)
+			$.ui.ddmanager.current = this;
+
+		/*
+		 * - Position generation -
+		 * This block generates everything position related - it's the core of draggables.
+		 */
+
+		//Cache the margins of the original element
+		this._cacheMargins();
+
+		//Store the helper's css position
+		this.cssPosition = this.helper.css("position");
+		this.scrollParent = this.helper.scrollParent();
+
+		//The element's absolute position on the page minus margins
+		this.offset = this.element.offset();
+		this.offset = {
+			top: this.offset.top - this.margins.top,
+			left: this.offset.left - this.margins.left
+		};
+
+		$.extend(this.offset, {
+			click: { //Where the click happened, relative to the element
+				left: event.pageX - this.offset.left,
+				top: event.pageY - this.offset.top
+			},
+			parent: this._getParentOffset(),
+			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
+		});
+
+		//Generate the original position
+		this.originalPosition = this._generatePosition(event);
+		this.originalPageX = event.pageX;
+		this.originalPageY = event.pageY;
+
+		//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
+		if(o.cursorAt)
+			this._adjustOffsetFromHelper(o.cursorAt);
+
+		//Set a containment if given in the options
+		if(o.containment)
+			this._setContainment();
+
+		//Call plugins and callbacks
+		this._trigger("start", event);
+
+		//Recache the helper size
+		this._cacheHelperProportions();
+
+		//Prepare the droppable offsets
+		if ($.ui.ddmanager && !o.dropBehaviour)
+			$.ui.ddmanager.prepareOffsets(this, event);
+
+		this.helper.addClass("ui-draggable-dragging");
+		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
+		return true;
+	},
+
+	_mouseDrag: function(event, noPropagation) {
+
+		//Compute the helpers position
+		this.position = this._generatePosition(event);
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		//Call plugins and callbacks and use the resulting position if something is returned
+		if (!noPropagation) {
+			var ui = this._uiHash();
+			this._trigger('drag', event, ui);
+			this.position = ui.position;
+		}
+
+		if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
+		if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
+		if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
+
+		return false;
+	},
+
+	_mouseStop: function(event) {
+
+		//If we are using droppables, inform the manager about the drop
+		var dropped = false;
+		if ($.ui.ddmanager && !this.options.dropBehaviour)
+			dropped = $.ui.ddmanager.drop(this, event);
+
+		//if a drop comes from outside (a sortable)
+		if(this.dropped) {
+			dropped = this.dropped;
+			this.dropped = false;
+		}
+
+		if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
+			var self = this;
+			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
+				self._trigger("stop", event);
+				self._clear();
+			});
+		} else {
+			this._trigger("stop", event);
+			this._clear();
+		}
+
+		return false;
+	},
+
+	_getHandle: function(event) {
+
+		var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
+		$(this.options.handle, this.element)
+			.find("*")
+			.andSelf()
+			.each(function() {
+				if(this == event.target) handle = true;
+			});
+
+		return handle;
+
+	},
+
+	_createHelper: function(event) {
+
+		var o = this.options;
+		var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element);
+
+		if(!helper.parents('body').length)
+			helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));
+
+		if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position")))
+			helper.css("position", "absolute");
+
+		return helper;
+
+	},
+
+	_adjustOffsetFromHelper: function(obj) {
+		if(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left;
+		if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
+		if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top;
+		if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
+	},
+
+	_getParentOffset: function() {
+
+		//Get the offsetParent and cache its position
+		this.offsetParent = this.helper.offsetParent();
+		var po = this.offsetParent.offset();
+
+		// This is a special case where we need to modify a offset calculated on start, since the following happened:
+		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
+		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
+		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
+		if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
+			po.left += this.scrollParent.scrollLeft();
+			po.top += this.scrollParent.scrollTop();
+		}
+
+		if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
+		|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
+			po = { top: 0, left: 0 };
+
+		return {
+			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
+			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
+		};
+
+	},
+
+	_getRelativeOffset: function() {
+
+		if(this.cssPosition == "relative") {
+			var p = this.element.position();
+			return {
+				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
+				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
+			};
+		} else {
+			return { top: 0, left: 0 };
+		}
+
+	},
+
+	_cacheMargins: function() {
+		this.margins = {
+			left: (parseInt(this.element.css("marginLeft"),10) || 0),
+			top: (parseInt(this.element.css("marginTop"),10) || 0)
+		};
+	},
+
+	_cacheHelperProportions: function() {
+		this.helperProportions = {
+			width: this.helper.outerWidth(),
+			height: this.helper.outerHeight()
+		};
+	},
+
+	_setContainment: function() {
+
+		var o = this.options;
+		if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
+		if(o.containment == 'document' || o.containment == 'window') this.containment = [
+			0 - this.offset.relative.left - this.offset.parent.left,
+			0 - this.offset.relative.top - this.offset.parent.top,
+			$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
+			($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
+		];
+
+		if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) {
+			var ce = $(o.containment)[0]; if(!ce) return;
+			var co = $(o.containment).offset();
+			var over = ($(ce).css("overflow") != 'hidden');
+
+			this.containment = [
+				co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
+				co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
+				co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
+				co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
+			];
+		} else if(o.containment.constructor == Array) {
+			this.containment = o.containment;
+		}
+
+	},
+
+	_convertPositionTo: function(d, pos) {
+
+		if(!pos) pos = this.position;
+		var mod = d == "absolute" ? 1 : -1;
+		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
+
+		return {
+			top: (
+				pos.top																	// The absolute mouse position
+				+ this.offset.relative.top * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
+				+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
+				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
+			),
+			left: (
+				pos.left																// The absolute mouse position
+				+ this.offset.relative.left * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
+				+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
+				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
+			)
+		};
+
+	},
+
+	_generatePosition: function(event) {
+
+		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
+
+		// This is another very weird special case that only happens for relative elements:
+		// 1. If the css position is relative
+		// 2. and the scroll parent is the document or similar to the offset parent
+		// we have to refresh the relative offset during the scroll so there are no jumps
+		if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
+			this.offset.relative = this._getRelativeOffset();
+		}
+
+		var pageX = event.pageX;
+		var pageY = event.pageY;
+
+		/*
+		 * - Position constraining -
+		 * Constrain the position to a mix of grid, containment.
+		 */
+
+		if(this.originalPosition) { //If we are not dragging yet, we won't check for options
+
+			if(this.containment) {
+				if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
+				if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
+				if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
+				if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
+			}
+
+			if(o.grid) {
+				var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
+				pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
+
+				var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
+				pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
+			}
+
+		}
+
+		return {
+			top: (
+				pageY																// The absolute mouse position
+				- this.offset.click.top													// Click offset (relative to the element)
+				- this.offset.relative.top												// Only for relative positioned nodes: Relative offset from element to offset parent
+				- this.offset.parent.top												// The offsetParent's offset without borders (offset + border)
+				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
+			),
+			left: (
+				pageX																// The absolute mouse position
+				- this.offset.click.left												// Click offset (relative to the element)
+				- this.offset.relative.left												// Only for relative positioned nodes: Relative offset from element to offset parent
+				- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
+				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
+			)
+		};
+
+	},
+
+	_clear: function() {
+		this.helper.removeClass("ui-draggable-dragging");
+		if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
+		//if($.ui.ddmanager) $.ui.ddmanager.current = null;
+		this.helper = null;
+		this.cancelHelperRemoval = false;
+	},
+
+	// From now on bulk stuff - mainly helpers
+
+	_trigger: function(type, event, ui) {
+		ui = ui || this._uiHash();
+		$.ui.plugin.call(this, type, [event, ui]);
+		if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins
+		return $.widget.prototype._trigger.call(this, type, event, ui);
+	},
+
+	plugins: {},
+
+	_uiHash: function(event) {
+		return {
+			helper: this.helper,
+			position: this.position,
+			absolutePosition: this.positionAbs, //deprecated
+			offset: this.positionAbs
+		};
+	}
+
+}));
+
+$.extend($.ui.draggable, {
+	version: "1.7",
+	eventPrefix: "drag",
+	defaults: {
+		addClasses: true,
+		appendTo: "parent",
+		axis: false,
+		cancel: ":input,option",
+		connectToSortable: false,
+		containment: false,
+		cursor: "auto",
+		cursorAt: false,
+		delay: 0,
+		distance: 1,
+		grid: false,
+		handle: false,
+		helper: "original",
+		iframeFix: false,
+		opacity: false,
+		refreshPositions: false,
+		revert: false,
+		revertDuration: 500,
+		scope: "default",
+		scroll: true,
+		scrollSensitivity: 20,
+		scrollSpeed: 20,
+		snap: false,
+		snapMode: "both",
+		snapTolerance: 20,
+		stack: false,
+		zIndex: false
+	}
+});
+
+$.ui.plugin.add("draggable", "connectToSortable", {
+	start: function(event, ui) {
+
+		var inst = $(this).data("draggable"), o = inst.options,
+			uiSortable = $.extend({}, ui, { item: inst.element });
+		inst.sortables = [];
+		$(o.connectToSortable).each(function() {
+			var sortable = $.data(this, 'sortable');
+			if (sortable && !sortable.options.disabled) {
+				inst.sortables.push({
+					instance: sortable,
+					shouldRevert: sortable.options.revert
+				});
+				sortable._refreshItems();	//Do a one-time refresh at start to refresh the containerCache
+				sortable._trigger("activate", event, uiSortable);
+			}
+		});
+
+	},
+	stop: function(event, ui) {
+
+		//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
+		var inst = $(this).data("draggable"),
+			uiSortable = $.extend({}, ui, { item: inst.element });
+
+		$.each(inst.sortables, function() {
+			if(this.instance.isOver) {
+
+				this.instance.isOver = 0;
+
+				inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
+				this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
+
+				//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
+				if(this.shouldRevert) this.instance.options.revert = true;
+
+				//Trigger the stop of the sortable
+				this.instance._mouseStop(event);
+
+				this.instance.options.helper = this.instance.options._helper;
+
+				//If the helper has been the original item, restore properties in the sortable
+				if(inst.options.helper == 'original')
+					this.instance.currentItem.css({ top: 'auto', left: 'auto' });
+
+			} else {
+				this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
+				this.instance._trigger("deactivate", event, uiSortable);
+			}
+
+		});
+
+	},
+	drag: function(event, ui) {
+
+		var inst = $(this).data("draggable"), self = this;
+
+		var checkPos = function(o) {
+			var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
+			var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
+			var itemHeight = o.height, itemWidth = o.width;
+			var itemTop = o.top, itemLeft = o.left;
+
+			return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
+		};
+
+		$.each(inst.sortables, function(i) {
+			
+			//Copy over some variables to allow calling the sortable's native _intersectsWith
+			this.instance.positionAbs = inst.positionAbs;
+			this.instance.helperProportions = inst.helperProportions;
+			this.instance.offset.click = inst.offset.click;
+			
+			if(this.instance._intersectsWith(this.instance.containerCache)) {
+
+				//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
+				if(!this.instance.isOver) {
+
+					this.instance.isOver = 1;
+					//Now we fake the start of dragging for the sortable instance,
+					//by cloning the list group item, appending it to the sortable and using it as inst.currentItem
+					//We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
+					this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
+					this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
+					this.instance.options.helper = function() { return ui.helper[0]; };
+
+					event.target = this.instance.currentItem[0];
+					this.instance._mouseCapture(event, true);
+					this.instance._mouseStart(event, true, true);
+
+					//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
+					this.instance.offset.click.top = inst.offset.click.top;
+					this.instance.offset.click.left = inst.offset.click.left;
+					this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
+					this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;
+
+					inst._trigger("toSortable", event);
+					inst.dropped = this.instance.element; //draggable revert needs that
+					//hack so receive/update callbacks work (mostly)
+					inst.currentItem = inst.element;
+					this.instance.fromOutside = inst;
+
+				}
+
+				//Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
+				if(this.instance.currentItem) this.instance._mouseDrag(event);
+
+			} else {
+
+				//If it doesn't intersect with the sortable, and it intersected before,
+				//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
+				if(this.instance.isOver) {
+
+					this.instance.isOver = 0;
+					this.instance.cancelHelperRemoval = true;
+					
+					//Prevent reverting on this forced stop
+					this.instance.options.revert = false;
+					
+					// The out event needs to be triggered independently
+					this.instance._trigger('out', event, this.instance._uiHash(this.instance));
+					
+					this.instance._mouseStop(event, true);
+					this.instance.options.helper = this.instance.options._helper;
+
+					//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
+					this.instance.currentItem.remove();
+					if(this.instance.placeholder) this.instance.placeholder.remove();
+
+					inst._trigger("fromSortable", event);
+					inst.dropped = false; //draggable revert needs that
+				}
+
+			};
+
+		});
+
+	}
+});
+
+$.ui.plugin.add("draggable", "cursor", {
+	start: function(event, ui) {
+		var t = $('body'), o = $(this).data('draggable').options;
+		if (t.css("cursor")) o._cursor = t.css("cursor");
+		t.css("cursor", o.cursor);
+	},
+	stop: function(event, ui) {
+		var o = $(this).data('draggable').options;
+		if (o._cursor) $('body').css("cursor", o._cursor);
+	}
+});
+
+$.ui.plugin.add("draggable", "iframeFix", {
+	start: function(event, ui) {
+		var o = $(this).data('draggable').options;
+		$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() {
+			$('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>')
+			.css({
+				width: this.offsetWidth+"px", height: this.offsetHeight+"px",
+				position: "absolute", opacity: "0.001", zIndex: 1000
+			})
+			.css($(this).offset())
+			.appendTo("body");
+		});
+	},
+	stop: function(event, ui) {
+		$("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers
+	}
+});
+
+$.ui.plugin.add("draggable", "opacity", {
+	start: function(event, ui) {
+		var t = $(ui.helper), o = $(this).data('draggable').options;
+		if(t.css("opacity")) o._opacity = t.css("opacity");
+		t.css('opacity', o.opacity);
+	},
+	stop: function(event, ui) {
+		var o = $(this).data('draggable').options;
+		if(o._opacity) $(ui.helper).css('opacity', o._opacity);
+	}
+});
+
+$.ui.plugin.add("draggable", "scroll", {
+	start: function(event, ui) {
+		var i = $(this).data("draggable");
+		if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset();
+	},
+	drag: function(event, ui) {
+
+		var i = $(this).data("draggable"), o = i.options, scrolled = false;
+
+		if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {
+
+			if(!o.axis || o.axis != 'x') {
+				if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
+					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
+				else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity)
+					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
+			}
+
+			if(!o.axis || o.axis != 'y') {
+				if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
+					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
+				else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity)
+					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
+			}
+
+		} else {
+
+			if(!o.axis || o.axis != 'x') {
+				if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
+					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
+				else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
+					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
+			}
+
+			if(!o.axis || o.axis != 'y') {
+				if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
+					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
+				else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
+					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
+			}
+
+		}
+
+		if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
+			$.ui.ddmanager.prepareOffsets(i, event);
+
+	}
+});
+
+$.ui.plugin.add("draggable", "snap", {
+	start: function(event, ui) {
+
+		var i = $(this).data("draggable"), o = i.options;
+		i.snapElements = [];
+
+		$(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() {
+			var $t = $(this); var $o = $t.offset();
+			if(this != i.element[0]) i.snapElements.push({
+				item: this,
+				width: $t.outerWidth(), height: $t.outerHeight(),
+				top: $o.top, left: $o.left
+			});
+		});
+
+	},
+	drag: function(event, ui) {
+
+		var inst = $(this).data("draggable"), o = inst.options;
+		var d = o.snapTolerance;
+
+		var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
+			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
+
+		for (var i = inst.snapElements.length - 1; i >= 0; i--){
+
+			var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width,
+				t = inst.snapElements[i].top, b = t + inst.snapElements[i].height;
+
+			//Yes, I know, this is insane ;)
+			if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
+				if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
+				inst.snapElements[i].snapping = false;
+				continue;
+			}
+
+			if(o.snapMode != 'inner') {
+				var ts = Math.abs(t - y2) <= d;
+				var bs = Math.abs(b - y1) <= d;
+				var ls = Math.abs(l - x2) <= d;
+				var rs = Math.abs(r - x1) <= d;
+				if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
+				if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
+				if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
+				if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
+			}
+
+			var first = (ts || bs || ls || rs);
+
+			if(o.snapMode != 'outer') {
+				var ts = Math.abs(t - y1) <= d;
+				var bs = Math.abs(b - y2) <= d;
+				var ls = Math.abs(l - x1) <= d;
+				var rs = Math.abs(r - x2) <= d;
+				if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
+				if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
+				if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
+				if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
+			}
+
+			if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first))
+				(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
+			inst.snapElements[i].snapping = (ts || bs || ls || rs || first);
+
+		};
+
+	}
+});
+
+$.ui.plugin.add("draggable", "stack", {
+	start: function(event, ui) {
+
+		var o = $(this).data("draggable").options;
+
+		var group = $.makeArray($(o.stack.group)).sort(function(a,b) {
+			return (parseInt($(a).css("zIndex"),10) || o.stack.min) - (parseInt($(b).css("zIndex"),10) || o.stack.min);
+		});
+
+		$(group).each(function(i) {
+			this.style.zIndex = o.stack.min + i;
+		});
+
+		this[0].style.zIndex = o.stack.min + group.length;
+
+	}
+});
+
+$.ui.plugin.add("draggable", "zIndex", {
+	start: function(event, ui) {
+		var t = $(ui.helper), o = $(this).data("draggable").options;
+		if(t.css("zIndex")) o._zIndex = t.css("zIndex");
+		t.css('zIndex', o.zIndex);
+	},
+	stop: function(event, ui) {
+		var o = $(this).data("draggable").options;
+		if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex);
+	}
+});
+
+})(jQuery);