[Bps-public-commit] rt-extension-automaticassignment branch, master, updated. 664f37cdaeeb67a0222440e7047c8e255cbb883e

Shawn Moore shawn at bestpractical.com
Wed Aug 17 15:33:26 EDT 2016


The branch, master has been updated
       via  664f37cdaeeb67a0222440e7047c8e255cbb883e (commit)
      from  0c506f3d5c5190f82b48335ffb7df6972f05abb9 (commit)

Summary of changes:
 lib/RT/Extension/AutomaticAssignment.pm |    2 +
 static/css/automatic-assignment.css     |    7 +-
 static/js/automatic-assignment.js       |   11 +
 static/js/jquery.ui.sortable.js         | 1250 +++++++++++++++++++++++++++++++
 4 files changed, 1269 insertions(+), 1 deletion(-)
 create mode 100644 static/js/jquery.ui.sortable.js

- Log -----------------------------------------------------------------
commit 664f37cdaeeb67a0222440e7047c8e255cbb883e
Author: Shawn M Moore <shawn at bestpractical.com>
Date:   Wed Aug 17 19:34:02 2016 +0000

    Drag and drop for filters

diff --git a/lib/RT/Extension/AutomaticAssignment.pm b/lib/RT/Extension/AutomaticAssignment.pm
index 974e5e2..8fc8603 100644
--- a/lib/RT/Extension/AutomaticAssignment.pm
+++ b/lib/RT/Extension/AutomaticAssignment.pm
@@ -4,6 +4,8 @@ use warnings;
 
 our $VERSION = '0.01';
 
+RT->AddJavaScript('jquery.ui.sortable.js');
+
 RT->AddStyleSheets("automatic-assignment.css");
 RT->AddJavaScript("automatic-assignment.js");
 
diff --git a/static/css/automatic-assignment.css b/static/css/automatic-assignment.css
index 5363f77..5b72e4a 100644
--- a/static/css/automatic-assignment.css
+++ b/static/css/automatic-assignment.css
@@ -2,7 +2,8 @@ form.automatic-assignment {
     max-width: 700px;
 }
 
-.sortable-box {
+.sortable-box,
+.sortable-placeholder {
     border-style: solid;
     border-width: 1.5px;
     margin: 5px;
@@ -10,6 +11,10 @@ form.automatic-assignment {
     background-color: #eee;
 }
 
+.sortable-placeholder {
+    border-style: dashed;
+}
+
 .sortable-box .inner {
     padding: 5px;
 }
diff --git a/static/js/automatic-assignment.js b/static/js/automatic-assignment.js
index aaf2081..e231bd8 100644
--- a/static/js/automatic-assignment.js
+++ b/static/js/automatic-assignment.js
@@ -82,5 +82,16 @@ jQuery(function () {
             refreshFiltersField();
         });
     });
+
+    filterList.sortable({
+        axis: 'y',
+        items: '.sortable-box',
+        containment: 'parent',
+        placeholder: 'sortable-placeholder',
+        forcePlaceholderSize: true,
+        update: function (event, ui) {
+            refreshFiltersField();
+        }
+    });
 });
 
diff --git a/static/js/jquery.ui.sortable.js b/static/js/jquery.ui.sortable.js
new file mode 100644
index 0000000..1ade1e3
--- /dev/null
+++ b/static/js/jquery.ui.sortable.js
@@ -0,0 +1,1250 @@
+/*!
+ * jQuery UI Sortable 1.10.0
+ * http://jqueryui.com
+ *
+ * Copyright 2013 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/sortable/
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *	jquery.ui.mouse.js
+ *	jquery.ui.widget.js
+ */
+(function( $, undefined ) {
+
+/*jshint loopfunc: true */
+
+function isOverAxis( x, reference, size ) {
+	return ( x > reference ) && ( x < ( reference + size ) );
+}
+
+$.widget("ui.sortable", $.ui.mouse, {
+	version: "1.10.0",
+	widgetEventPrefix: "sort",
+	ready: false,
+	options: {
+		appendTo: "parent",
+		axis: false,
+		connectWith: false,
+		containment: false,
+		cursor: "auto",
+		cursorAt: false,
+		dropOnEmpty: true,
+		forcePlaceholderSize: false,
+		forceHelperSize: false,
+		grid: false,
+		handle: false,
+		helper: "original",
+		items: "> *",
+		opacity: false,
+		placeholder: false,
+		revert: false,
+		scroll: true,
+		scrollSensitivity: 20,
+		scrollSpeed: 20,
+		scope: "default",
+		tolerance: "intersect",
+		zIndex: 1000,
+
+		// callbacks
+		activate: null,
+		beforeStop: null,
+		change: null,
+		deactivate: null,
+		out: null,
+		over: null,
+		receive: null,
+		remove: null,
+		sort: null,
+		start: null,
+		stop: null,
+		update: null
+	},
+	_create: function() {
+
+		var o = this.options;
+		this.containerCache = {};
+		this.element.addClass("ui-sortable");
+
+		//Get the items
+		this.refresh();
+
+		//Let's determine if the items are being displayed horizontally
+		this.floating = this.items.length ? o.axis === "x" || (/left|right/).test(this.items[0].item.css("float")) || (/inline|table-cell/).test(this.items[0].item.css("display")) : false;
+
+		//Let's determine the parent's offset
+		this.offset = this.element.offset();
+
+		//Initialize mouse events for interaction
+		this._mouseInit();
+
+		//We're ready to go
+		this.ready = true;
+
+	},
+
+	_destroy: function() {
+		this.element
+			.removeClass("ui-sortable ui-sortable-disabled");
+		this._mouseDestroy();
+
+		for ( var i = this.items.length - 1; i >= 0; i-- ) {
+			this.items[i].item.removeData(this.widgetName + "-item");
+		}
+
+		return this;
+	},
+
+	_setOption: function(key, value){
+		if ( key === "disabled" ) {
+			this.options[ key ] = value;
+
+			this.widget().toggleClass( "ui-sortable-disabled", !!value );
+		} else {
+			// Don't call widget base _setOption for disable as it adds ui-state-disabled class
+			$.Widget.prototype._setOption.apply(this, arguments);
+		}
+	},
+
+	_mouseCapture: function(event, overrideHandle) {
+		var currentItem = null,
+			validHandle = false,
+			that = this;
+
+		if (this.reverting) {
+			return false;
+		}
+
+		if(this.options.disabled || this.options.type === "static") {
+			return false;
+		}
+
+		//We have to refresh the items data once first
+		this._refreshItems(event);
+
+		//Find out if the clicked node (or one of its parents) is a actual item in this.items
+		$(event.target).parents().each(function() {
+			if($.data(this, that.widgetName + "-item") === that) {
+				currentItem = $(this);
+				return false;
+			}
+		});
+		if($.data(event.target, that.widgetName + "-item") === that) {
+			currentItem = $(event.target);
+		}
+
+		if(!currentItem) {
+			return false;
+		}
+		if(this.options.handle && !overrideHandle) {
+			$(this.options.handle, currentItem).find("*").addBack().each(function() {
+				if(this === event.target) {
+					validHandle = true;
+				}
+			});
+			if(!validHandle) {
+				return false;
+			}
+		}
+
+		this.currentItem = currentItem;
+		this._removeCurrentsFromItems();
+		return true;
+
+	},
+
+	_mouseStart: function(event, overrideHandle, noActivation) {
+
+		var i,
+			o = this.options;
+
+		this.currentContainer = this;
+
+		//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
+		this.refreshPositions();
+
+		//Create and append the visible helper
+		this.helper = this._createHelper(event);
+
+		//Cache the helper size
+		this._cacheHelperProportions();
+
+		/*
+		 * - Position generation -
+		 * This block generates everything position related - it's the core of draggables.
+		 */
+
+		//Cache the margins of the original element
+		this._cacheMargins();
+
+		//Get the next scrolling parent
+		this.scrollParent = this.helper.scrollParent();
+
+		//The element's absolute position on the page minus margins
+		this.offset = this.currentItem.offset();
+		this.offset = {
+			top: this.offset.top - this.margins.top,
+			left: this.offset.left - this.margins.left
+		};
+
+		$.extend(this.offset, {
+			click: { //Where the click happened, relative to the element
+				left: event.pageX - this.offset.left,
+				top: event.pageY - this.offset.top
+			},
+			parent: this._getParentOffset(),
+			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
+		});
+
+		// Only after we got the offset, we can change the helper's position to absolute
+		// TODO: Still need to figure out a way to make relative sorting possible
+		this.helper.css("position", "absolute");
+		this.cssPosition = this.helper.css("position");
+
+		//Generate the original position
+		this.originalPosition = this._generatePosition(event);
+		this.originalPageX = event.pageX;
+		this.originalPageY = event.pageY;
+
+		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
+		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
+
+		//Cache the former DOM position
+		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
+
+		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
+		if(this.helper[0] !== this.currentItem[0]) {
+			this.currentItem.hide();
+		}
+
+		//Create the placeholder
+		this._createPlaceholder();
+
+		//Set a containment if given in the options
+		if(o.containment) {
+			this._setContainment();
+		}
+
+		if(o.cursor) { // cursor option
+			if ($("body").css("cursor")) {
+				this._storedCursor = $("body").css("cursor");
+			}
+			$("body").css("cursor", o.cursor);
+		}
+
+		if(o.opacity) { // opacity option
+			if (this.helper.css("opacity")) {
+				this._storedOpacity = this.helper.css("opacity");
+			}
+			this.helper.css("opacity", o.opacity);
+		}
+
+		if(o.zIndex) { // zIndex option
+			if (this.helper.css("zIndex")) {
+				this._storedZIndex = this.helper.css("zIndex");
+			}
+			this.helper.css("zIndex", o.zIndex);
+		}
+
+		//Prepare scrolling
+		if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
+			this.overflowOffset = this.scrollParent.offset();
+		}
+
+		//Call callbacks
+		this._trigger("start", event, this._uiHash());
+
+		//Recache the helper size
+		if(!this._preserveHelperProportions) {
+			this._cacheHelperProportions();
+		}
+
+
+		//Post "activate" events to possible containers
+		if( !noActivation ) {
+			for ( i = this.containers.length - 1; i >= 0; i-- ) {
+				this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
+			}
+		}
+
+		//Prepare possible droppables
+		if($.ui.ddmanager) {
+			$.ui.ddmanager.current = this;
+		}
+
+		if ($.ui.ddmanager && !o.dropBehaviour) {
+			$.ui.ddmanager.prepareOffsets(this, event);
+		}
+
+		this.dragging = true;
+
+		this.helper.addClass("ui-sortable-helper");
+		this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
+		return true;
+
+	},
+
+	_mouseDrag: function(event) {
+		var i, item, itemElement, intersection,
+			o = this.options,
+			scrolled = false;
+
+		//Compute the helpers position
+		this.position = this._generatePosition(event);
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		if (!this.lastPositionAbs) {
+			this.lastPositionAbs = this.positionAbs;
+		}
+
+		//Do scrolling
+		if(this.options.scroll) {
+			if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
+
+				if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
+					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
+				} else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
+					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
+				}
+
+				if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
+					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
+				} else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
+					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
+				}
+
+			} else {
+
+				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(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) {
+				$.ui.ddmanager.prepareOffsets(this, event);
+			}
+		}
+
+		//Regenerate the absolute position used for position checks
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		//Set the helper position
+		if(!this.options.axis || this.options.axis !== "y") {
+			this.helper[0].style.left = this.position.left+"px";
+		}
+		if(!this.options.axis || this.options.axis !== "x") {
+			this.helper[0].style.top = this.position.top+"px";
+		}
+
+		//Rearrange
+		for (i = this.items.length - 1; i >= 0; i--) {
+
+			//Cache variables and intersection, continue if no intersection
+			item = this.items[i];
+			itemElement = item.item[0];
+			intersection = this._intersectsWithPointer(item);
+			if (!intersection) {
+				continue;
+			}
+
+			// Only put the placeholder inside the current Container, skip all
+			// items form other containers. This works because when moving
+			// an item from one container to another the
+			// currentContainer is switched before the placeholder is moved.
+			//
+			// Without this moving items in "sub-sortables" can cause the placeholder to jitter
+			// beetween the outer and inner container.
+			if (item.instance !== this.currentContainer) {
+				continue;
+			}
+
+			// cannot intersect with itself
+			// no useless actions that have been done before
+			// no action if the item moved is the parent of the item checked
+			if (itemElement !== this.currentItem[0] &&
+				this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
+				!$.contains(this.placeholder[0], itemElement) &&
+				(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
+			) {
+
+				this.direction = intersection === 1 ? "down" : "up";
+
+				if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
+					this._rearrange(event, item);
+				} else {
+					break;
+				}
+
+				this._trigger("change", event, this._uiHash());
+				break;
+			}
+		}
+
+		//Post events to containers
+		this._contactContainers(event);
+
+		//Interconnect with droppables
+		if($.ui.ddmanager) {
+			$.ui.ddmanager.drag(this, event);
+		}
+
+		//Call callbacks
+		this._trigger("sort", event, this._uiHash());
+
+		this.lastPositionAbs = this.positionAbs;
+		return false;
+
+	},
+
+	_mouseStop: function(event, noPropagation) {
+
+		if(!event) {
+			return;
+		}
+
+		//If we are using droppables, inform the manager about the drop
+		if ($.ui.ddmanager && !this.options.dropBehaviour) {
+			$.ui.ddmanager.drop(this, event);
+		}
+
+		if(this.options.revert) {
+			var that = this,
+				cur = this.placeholder.offset();
+
+			this.reverting = true;
+
+			$(this.helper).animate({
+				left: cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft),
+				top: cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop)
+			}, parseInt(this.options.revert, 10) || 500, function() {
+				that._clear(event);
+			});
+		} else {
+			this._clear(event, noPropagation);
+		}
+
+		return false;
+
+	},
+
+	cancel: function() {
+
+		if(this.dragging) {
+
+			this._mouseUp({ target: null });
+
+			if(this.options.helper === "original") {
+				this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
+			} else {
+				this.currentItem.show();
+			}
+
+			//Post deactivating events to containers
+			for (var i = this.containers.length - 1; i >= 0; i--){
+				this.containers[i]._trigger("deactivate", null, this._uiHash(this));
+				if(this.containers[i].containerCache.over) {
+					this.containers[i]._trigger("out", null, this._uiHash(this));
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+
+		}
+
+		if (this.placeholder) {
+			//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
+			if(this.placeholder[0].parentNode) {
+				this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
+			}
+			if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
+				this.helper.remove();
+			}
+
+			$.extend(this, {
+				helper: null,
+				dragging: false,
+				reverting: false,
+				_noFinalSort: null
+			});
+
+			if(this.domPosition.prev) {
+				$(this.domPosition.prev).after(this.currentItem);
+			} else {
+				$(this.domPosition.parent).prepend(this.currentItem);
+			}
+		}
+
+		return this;
+
+	},
+
+	serialize: function(o) {
+
+		var items = this._getItemsAsjQuery(o && o.connected),
+			str = [];
+		o = o || {};
+
+		$(items).each(function() {
+			var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
+			if (res) {
+				str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
+			}
+		});
+
+		if(!str.length && o.key) {
+			str.push(o.key + "=");
+		}
+
+		return str.join("&");
+
+	},
+
+	toArray: function(o) {
+
+		var items = this._getItemsAsjQuery(o && o.connected),
+			ret = [];
+
+		o = o || {};
+
+		items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
+		return ret;
+
+	},
+
+	/* Be careful with the following core functions */
+	_intersectsWith: function(item) {
+
+		var x1 = this.positionAbs.left,
+			x2 = x1 + this.helperProportions.width,
+			y1 = this.positionAbs.top,
+			y2 = y1 + this.helperProportions.height,
+			l = item.left,
+			r = l + item.width,
+			t = item.top,
+			b = t + item.height,
+			dyClick = this.offset.click.top,
+			dxClick = this.offset.click.left,
+			isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
+
+		if ( this.options.tolerance === "pointer" ||
+			this.options.forcePointerForContainers ||
+			(this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
+		) {
+			return isOverElement;
+		} else {
+
+			return (l < x1 + (this.helperProportions.width / 2) && // Right Half
+				x2 - (this.helperProportions.width / 2) < r && // Left Half
+				t < y1 + (this.helperProportions.height / 2) && // Bottom Half
+				y2 - (this.helperProportions.height / 2) < b ); // Top Half
+
+		}
+	},
+
+	_intersectsWithPointer: function(item) {
+
+		var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
+			isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
+			isOverElement = isOverElementHeight && isOverElementWidth,
+			verticalDirection = this._getDragVerticalDirection(),
+			horizontalDirection = this._getDragHorizontalDirection();
+
+		if (!isOverElement) {
+			return false;
+		}
+
+		return this.floating ?
+			( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
+			: ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
+
+	},
+
+	_intersectsWithSides: function(item) {
+
+		var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
+			isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
+			verticalDirection = this._getDragVerticalDirection(),
+			horizontalDirection = this._getDragHorizontalDirection();
+
+		if (this.floating && horizontalDirection) {
+			return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
+		} else {
+			return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
+		}
+
+	},
+
+	_getDragVerticalDirection: function() {
+		var delta = this.positionAbs.top - this.lastPositionAbs.top;
+		return delta !== 0 && (delta > 0 ? "down" : "up");
+	},
+
+	_getDragHorizontalDirection: function() {
+		var delta = this.positionAbs.left - this.lastPositionAbs.left;
+		return delta !== 0 && (delta > 0 ? "right" : "left");
+	},
+
+	refresh: function(event) {
+		this._refreshItems(event);
+		this.refreshPositions();
+		return this;
+	},
+
+	_connectWith: function() {
+		var options = this.options;
+		return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
+	},
+
+	_getItemsAsjQuery: function(connected) {
+
+		var i, j, cur, inst,
+			items = [],
+			queries = [],
+			connectWith = this._connectWith();
+
+		if(connectWith && connected) {
+			for (i = connectWith.length - 1; i >= 0; i--){
+				cur = $(connectWith[i]);
+				for ( j = cur.length - 1; j >= 0; j--){
+					inst = $.data(cur[j], this.widgetFullName);
+					if(inst && inst !== this && !inst.options.disabled) {
+						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
+					}
+				}
+			}
+		}
+
+		queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);
+
+		for (i = queries.length - 1; i >= 0; i--){
+			queries[i][0].each(function() {
+				items.push(this);
+			});
+		}
+
+		return $(items);
+
+	},
+
+	_removeCurrentsFromItems: function() {
+
+		var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
+
+		this.items = $.grep(this.items, function (item) {
+			for (var j=0; j < list.length; j++) {
+				if(list[j] === item.item[0]) {
+					return false;
+				}
+			}
+			return true;
+		});
+
+	},
+
+	_refreshItems: function(event) {
+
+		this.items = [];
+		this.containers = [this];
+
+		var i, j, cur, inst, targetData, _queries, item, queriesLength,
+			items = this.items,
+			queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
+			connectWith = this._connectWith();
+
+		if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
+			for (i = connectWith.length - 1; i >= 0; i--){
+				cur = $(connectWith[i]);
+				for (j = cur.length - 1; j >= 0; j--){
+					inst = $.data(cur[j], this.widgetFullName);
+					if(inst && inst !== this && !inst.options.disabled) {
+						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
+						this.containers.push(inst);
+					}
+				}
+			}
+		}
+
+		for (i = queries.length - 1; i >= 0; i--) {
+			targetData = queries[i][1];
+			_queries = queries[i][0];
+
+			for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
+				item = $(_queries[j]);
+
+				item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
+
+				items.push({
+					item: item,
+					instance: targetData,
+					width: 0, height: 0,
+					left: 0, top: 0
+				});
+			}
+		}
+
+	},
+
+	refreshPositions: function(fast) {
+
+		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
+		if(this.offsetParent && this.helper) {
+			this.offset.parent = this._getParentOffset();
+		}
+
+		var i, item, t, p;
+
+		for (i = this.items.length - 1; i >= 0; i--){
+			item = this.items[i];
+
+			//We ignore calculating positions of all connected containers when we're not over them
+			if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
+				continue;
+			}
+
+			t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
+
+			if (!fast) {
+				item.width = t.outerWidth();
+				item.height = t.outerHeight();
+			}
+
+			p = t.offset();
+			item.left = p.left;
+			item.top = p.top;
+		}
+
+		if(this.options.custom && this.options.custom.refreshContainers) {
+			this.options.custom.refreshContainers.call(this);
+		} else {
+			for (i = this.containers.length - 1; i >= 0; i--){
+				p = this.containers[i].element.offset();
+				this.containers[i].containerCache.left = p.left;
+				this.containers[i].containerCache.top = p.top;
+				this.containers[i].containerCache.width	= this.containers[i].element.outerWidth();
+				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
+			}
+		}
+
+		return this;
+	},
+
+	_createPlaceholder: function(that) {
+		that = that || this;
+		var className,
+			o = that.options;
+
+		if(!o.placeholder || o.placeholder.constructor === String) {
+			className = o.placeholder;
+			o.placeholder = {
+				element: function() {
+
+					var el = $(document.createElement(that.currentItem[0].nodeName))
+						.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
+						.removeClass("ui-sortable-helper")[0];
+
+					if(!className) {
+						el.style.visibility = "hidden";
+					}
+
+					return el;
+				},
+				update: function(container, p) {
+
+					// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
+					// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
+					if(className && !o.forcePlaceholderSize) {
+						return;
+					}
+
+					//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
+					if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
+					if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
+				}
+			};
+		}
+
+		//Create the placeholder
+		that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
+
+		//Append it after the actual current item
+		that.currentItem.after(that.placeholder);
+
+		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
+		o.placeholder.update(that, that.placeholder);
+
+	},
+
+	_contactContainers: function(event) {
+		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom,
+			innermostContainer = null,
+			innermostIndex = null;
+
+		// get innermost container that intersects with item
+		for (i = this.containers.length - 1; i >= 0; i--) {
+
+			// never consider a container that's located within the item itself
+			if($.contains(this.currentItem[0], this.containers[i].element[0])) {
+				continue;
+			}
+
+			if(this._intersectsWith(this.containers[i].containerCache)) {
+
+				// if we've already found a container and it's more "inner" than this, then continue
+				if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
+					continue;
+				}
+
+				innermostContainer = this.containers[i];
+				innermostIndex = i;
+
+			} else {
+				// container doesn't intersect. trigger "out" event if necessary
+				if(this.containers[i].containerCache.over) {
+					this.containers[i]._trigger("out", event, this._uiHash(this));
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+
+		}
+
+		// if no intersecting containers found, return
+		if(!innermostContainer) {
+			return;
+		}
+
+		// move the item into the container if it's not there already
+		if(this.containers.length === 1) {
+			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
+			this.containers[innermostIndex].containerCache.over = 1;
+		} else {
+
+			//When entering a new container, we will find the item with the least distance and append our item near it
+			dist = 10000;
+			itemWithLeastDistance = null;
+			posProperty = this.containers[innermostIndex].floating ? "left" : "top";
+			sizeProperty = this.containers[innermostIndex].floating ? "width" : "height";
+			base = this.positionAbs[posProperty] + this.offset.click[posProperty];
+			for (j = this.items.length - 1; j >= 0; j--) {
+				if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
+					continue;
+				}
+				if(this.items[j].item[0] === this.currentItem[0]) {
+					continue;
+				}
+				cur = this.items[j].item.offset()[posProperty];
+				nearBottom = false;
+				if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
+					nearBottom = true;
+					cur += this.items[j][sizeProperty];
+				}
+
+				if(Math.abs(cur - base) < dist) {
+					dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
+					this.direction = nearBottom ? "up": "down";
+				}
+			}
+
+			//Check if dropOnEmpty is enabled
+			if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
+				return;
+			}
+
+			this.currentContainer = this.containers[innermostIndex];
+			itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
+			this._trigger("change", event, this._uiHash());
+			this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
+
+			//Update the placeholder
+			this.options.placeholder.update(this.currentContainer, this.placeholder);
+
+			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
+			this.containers[innermostIndex].containerCache.over = 1;
+		}
+
+
+	},
+
+	_createHelper: function(event) {
+
+		var o = this.options,
+			helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
+
+		//Add the helper to the DOM if that didn't happen already
+		if(!helper.parents("body").length) {
+			$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
+		}
+
+		if(helper[0] === this.currentItem[0]) {
+			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
+		}
+
+		if(!helper[0].style.width || o.forceHelperSize) {
+			helper.width(this.currentItem.width());
+		}
+		if(!helper[0].style.height || o.forceHelperSize) {
+			helper.height(this.currentItem.height());
+		}
+
+		return helper;
+
+	},
+
+	_adjustOffsetFromHelper: function(obj) {
+		if (typeof obj === "string") {
+			obj = obj.split(" ");
+		}
+		if ($.isArray(obj)) {
+			obj = {left: +obj[0], top: +obj[1] || 0};
+		}
+		if ("left" in obj) {
+			this.offset.click.left = obj.left + this.margins.left;
+		}
+		if ("right" in obj) {
+			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
+		}
+		if ("top" in obj) {
+			this.offset.click.top = obj.top + this.margins.top;
+		}
+		if ("bottom" in obj) {
+			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 && $.contains(this.scrollParent[0], this.offsetParent[0])) {
+			po.left += this.scrollParent.scrollLeft();
+			po.top += this.scrollParent.scrollTop();
+		}
+
+		// This needs to be actually done for all browsers, since pageX/pageY includes this information
+		// with an ugly IE fix
+		if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
+			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.currentItem.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.currentItem.css("marginLeft"),10) || 0),
+			top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
+		};
+	},
+
+	_cacheHelperProportions: function() {
+		this.helperProportions = {
+			width: this.helper.outerWidth(),
+			height: this.helper.outerHeight()
+		};
+	},
+
+	_setContainment: function() {
+
+		var ce, co, over,
+			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)) {
+			ce = $(o.containment)[0];
+			co = $(o.containment).offset();
+			over = ($(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
+			];
+		}
+
+	},
+
+	_convertPositionTo: function(d, pos) {
+
+		if(!pos) {
+			pos = this.position;
+		}
+		var mod = d === "absolute" ? 1 : -1,
+			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.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)
+				( ( 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)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
+			)
+		};
+
+	},
+
+	_generatePosition: function(event) {
+
+		var top, left,
+			o = this.options,
+			pageX = event.pageX,
+			pageY = event.pageY,
+			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.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();
+		}
+
+		/*
+		 * - 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) {
+				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;
+
+				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)
+				( ( 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)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
+			)
+		};
+
+	},
+
+	_rearrange: function(event, i, a, hardRefresh) {
+
+		a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling));
+
+		//Various things done here to improve the performance:
+		// 1. we create a setTimeout, that calls refreshPositions
+		// 2. on the instance, we have a counter variable, that get's higher after every append
+		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
+		// 4. this lets only the last addition to the timeout stack through
+		this.counter = this.counter ? ++this.counter : 1;
+		var counter = this.counter;
+
+		this._delay(function() {
+			if(counter === this.counter) {
+				this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
+			}
+		});
+
+	},
+
+	_clear: function(event, noPropagation) {
+
+		this.reverting = false;
+		// We delay all events that have to be triggered to after the point where the placeholder has been removed and
+		// everything else normalized again
+		var i,
+			delayedTriggers = [];
+
+		// We first have to update the dom position of the actual currentItem
+		// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
+		if(!this._noFinalSort && this.currentItem.parent().length) {
+			this.placeholder.before(this.currentItem);
+		}
+		this._noFinalSort = null;
+
+		if(this.helper[0] === this.currentItem[0]) {
+			for(i in this._storedCSS) {
+				if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
+					this._storedCSS[i] = "";
+				}
+			}
+			this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
+		} else {
+			this.currentItem.show();
+		}
+
+		if(this.fromOutside && !noPropagation) {
+			delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
+		}
+		if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
+			delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
+		}
+
+		// Check if the items Container has Changed and trigger appropriate
+		// events.
+		if (this !== this.currentContainer) {
+			if(!noPropagation) {
+				delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
+			}
+		}
+
+
+		//Post events to containers
+		for (i = this.containers.length - 1; i >= 0; i--){
+			if(!noPropagation) {
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
+			}
+			if(this.containers[i].containerCache.over) {
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
+				this.containers[i].containerCache.over = 0;
+			}
+		}
+
+		//Do what was originally in plugins
+		if(this._storedCursor) {
+			$("body").css("cursor", this._storedCursor);
+		}
+		if(this._storedOpacity) {
+			this.helper.css("opacity", this._storedOpacity);
+		}
+		if(this._storedZIndex) {
+			this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
+		}
+
+		this.dragging = false;
+		if(this.cancelHelperRemoval) {
+			if(!noPropagation) {
+				this._trigger("beforeStop", event, this._uiHash());
+				for (i=0; i < delayedTriggers.length; i++) {
+					delayedTriggers[i].call(this, event);
+				} //Trigger all delayed events
+				this._trigger("stop", event, this._uiHash());
+			}
+
+			this.fromOutside = false;
+			return false;
+		}
+
+		if(!noPropagation) {
+			this._trigger("beforeStop", event, this._uiHash());
+		}
+
+		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
+		this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
+
+		if(this.helper[0] !== this.currentItem[0]) {
+			this.helper.remove();
+		}
+		this.helper = null;
+
+		if(!noPropagation) {
+			for (i=0; i < delayedTriggers.length; i++) {
+				delayedTriggers[i].call(this, event);
+			} //Trigger all delayed events
+			this._trigger("stop", event, this._uiHash());
+		}
+
+		this.fromOutside = false;
+		return true;
+
+	},
+
+	_trigger: function() {
+		if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
+			this.cancel();
+		}
+	},
+
+	_uiHash: function(_inst) {
+		var inst = _inst || this;
+		return {
+			helper: inst.helper,
+			placeholder: inst.placeholder || $([]),
+			position: inst.position,
+			originalPosition: inst.originalPosition,
+			offset: inst.positionAbs,
+			item: inst.currentItem,
+			sender: _inst ? _inst.element : null
+		};
+	}
+
+});
+
+})(jQuery);

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