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/** jQuery UI Sortable 1.8.5** Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)* Dual licensed under the MIT or GPL Version 2 licenses.* http://jquery.org/license** http://docs.jquery.com/UI/Sortables** Depends:* jquery.ui.core.js* jquery.ui.mouse.js* jquery.ui.widget.js*/(function( $, undefined ) {$.widget("ui.sortable", $.ui.mouse, {widgetEventPrefix: "sort",options: {appendTo: "parent",axis: false,connectWith: false,containment: false,cursor: 'auto',cursorAt: false,dropOnEmpty: true,forcePlaceholderSize: false,forceHelperSize: false,grid: false,handle: false,helper: "original",items: '> *',opacity: false,placeholder: false,revert: false,scroll: true,scrollSensitivity: 20,scrollSpeed: 20,scope: "default",tolerance: "intersect",zIndex: 1000},_create: function() {var o = this.options;this.containerCache = {};this.element.addClass("ui-sortable");//Get the itemsthis.refresh();//Let's determine if the items are floatingthis.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;//Let's determine the parent's offsetthis.offset = this.element.offset();//Initialize mouse events for interactionthis._mouseInit();},destroy: function() {this.element.removeClass("ui-sortable ui-sortable-disabled").removeData("sortable").unbind(".sortable");this._mouseDestroy();for ( var i = this.items.length - 1; i >= 0; i-- )this.items[i].item.removeData("sortable-item");return this;},_setOption: function(key, value){if ( key === "disabled" ) {this.options[ key ] = value;this.widget()[ value ? "addClass" : "removeClass"]( "ui-sortable-disabled" );} else {// Don't call widget base _setOption for disable as it adds ui-state-disabled class$.Widget.prototype._setOption.apply(this, arguments);}},_mouseCapture: function(event, overrideHandle) {if (this.reverting) {return false;}if(this.options.disabled || this.options.type == 'static') return false;//We have to refresh the items data once firstthis._refreshItems(event);//Find out if the clicked node (or one of its parents) is a actual item in this.itemsvar currentItem = null, self = this, nodes = $(event.target).parents().each(function() {if($.data(this, 'sortable-item') == self) {currentItem = $(this);return false;}});if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);if(!currentItem) return false;if(this.options.handle && !overrideHandle) {var validHandle = false;$(this.options.handle, currentItem).find("*").andSelf().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 o = this.options, self = this;this.currentContainer = this;//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapturethis.refreshPositions();//Create and append the visible helperthis.helper = this._createHelper(event);//Cache the helper sizethis._cacheHelperProportions();/** - Position generation -* This block generates everything position related - it's the core of draggables.*///Cache the margins of the original elementthis._cacheMargins();//Get the next scrolling parentthis.scrollParent = this.helper.scrollParent();//The element's absolute position on the page minus marginsthis.offset = this.currentItem.offset();this.offset = {top: this.offset.top - this.margins.top,left: this.offset.left - this.margins.left};// 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 possiblethis.helper.css("position", "absolute");this.cssPosition = this.helper.css("position");$.extend(this.offset, {click: { //Where the click happened, relative to the elementleft: event.pageX - this.offset.left,top: event.pageY - this.offset.top},parent: this._getParentOffset(),relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper});//Generate the original positionthis.originalPosition = this._generatePosition(event);this.originalPageX = event.pageX;this.originalPageY = event.pageY;//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));//Cache the former DOM positionthis.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this wayif(this.helper[0] != this.currentItem[0]) {this.currentItem.hide();}//Create the placeholderthis._createPlaceholder();//Set a containment if given in the optionsif(o.containment)this._setContainment();if(o.cursor) { // cursor optionif ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");$('body').css("cursor", o.cursor);}if(o.opacity) { // opacity optionif (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");this.helper.css("opacity", o.opacity);}if(o.zIndex) { // zIndex optionif (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");this.helper.css("zIndex", o.zIndex);}//Prepare scrollingif(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')this.overflowOffset = this.scrollParent.offset();//Call callbacksthis._trigger("start", event, this._uiHash());//Recache the helper sizeif(!this._preserveHelperProportions)this._cacheHelperProportions();//Post 'activate' events to possible containersif(!noActivation) {for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }}//Prepare possible droppablesif($.ui.ddmanager)$.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 positionreturn true;},_mouseDrag: function(event) {//Compute the helpers positionthis.position = this._generatePosition(event);this.positionAbs = this._convertPositionTo("absolute");if (!this.lastPositionAbs) {this.lastPositionAbs = this.positionAbs;}//Do scrollingif(this.options.scroll) {var o = this.options, scrolled = false;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 checksthis.positionAbs = this._convertPositionTo("absolute");//Set the helper positionif(!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';//Rearrangefor (var i = this.items.length - 1; i >= 0; i--) {//Cache variables and intersection, continue if no intersectionvar item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);if (!intersection) continue;if(itemElement != this.currentItem[0] //cannot intersect with itself&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before&& !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container) {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 containersthis._contactContainers(event);//Interconnect with droppablesif($.ui.ddmanager) $.ui.ddmanager.drag(this, event);//Call callbacksthis._trigger('sort', event, this._uiHash());this.lastPositionAbs = this.positionAbs;return false;},_mouseStop: function(event, noPropagation) {if(!event) return;//If we are using droppables, inform the manager about the dropif ($.ui.ddmanager && !this.options.dropBehaviour)$.ui.ddmanager.drop(this, event);if(this.options.revert) {var self = this;var cur = self.placeholder.offset();self.reverting = true;$(this.helper).animate({left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)}, parseInt(this.options.revert, 10) || 500, function() {self._clear(event);});} else {this._clear(event, noPropagation);}return false;},cancel: function() {var self = this;if(this.dragging) {this._mouseUp();if(this.options.helper == "original")this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");elsethis.currentItem.show();//Post deactivating events to containersfor (var i = this.containers.length - 1; i >= 0; i--){this.containers[i]._trigger("deactivate", null, self._uiHash(this));if(this.containers[i].containerCache.over) {this.containers[i]._trigger("out", null, self._uiHash(this));this.containers[i].containerCache.over = 0;}}}//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();$.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);var 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);var 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;var l = item.left,r = l + item.width,t = item.top,b = t + item.height;var dyClick = this.offset.click.top,dxClick = this.offset.click.left;var 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 = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),isOverElementWidth = $.ui.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 = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),isOverRightHalf = $.ui.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 self = this;var items = [];var queries = [];var connectWith = this._connectWith();if(connectWith && connected) {for (var i = connectWith.length - 1; i >= 0; i--){var cur = $(connectWith[i]);for (var j = cur.length - 1; j >= 0; j--){var inst = $.data(cur[j], 'sortable');if(inst && inst != this && !inst.options.disabled) {queries.push([$.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 (var i = queries.length - 1; i >= 0; i--){queries[i][0].each(function() {items.push(this);});};return $(items);},_removeCurrentsFromItems: function() {var list = this.currentItem.find(":data(sortable-item)");for (var i=0; i < this.items.length; i++) {for (var j=0; j < list.length; j++) {if(list[j] == this.items[i].item[0])this.items.splice(i,1);};};},_refreshItems: function(event) {this.items = [];this.containers = [this];var items = this.items;var self = this;var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];var connectWith = this._connectWith();if(connectWith) {for (var i = connectWith.length - 1; i >= 0; i--){var cur = $(connectWith[i]);for (var j = cur.length - 1; j >= 0; j--){var inst = $.data(cur[j], 'sortable');if(inst && inst != this && !inst.options.disabled) {queries.push([$.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 (var i = queries.length - 1; i >= 0; i--) {var targetData = queries[i][1];var _queries = queries[i][0];for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {var item = $(_queries[j]);item.data('sortable-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 changeif(this.offsetParent && this.helper) {this.offset.parent = this._getParentOffset();}for (var i = this.items.length - 1; i >= 0; i--){var item = this.items[i];var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;if (!fast) {item.width = t.outerWidth();item.height = t.outerHeight();}var 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 (var i = this.containers.length - 1; i >= 0; i--){var 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) {var self = that || this, o = self.options;if(!o.placeholder || o.placeholder.constructor == String) {var className = o.placeholder;o.placeholder = {element: function() {var el = $(document.createElement(self.currentItem[0].nodeName)).addClass(className || self.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 specifiedif(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 itemif(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); };if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); };}};}//Create the placeholderself.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));//Append it after the actual current itemself.currentItem.after(self.placeholder);//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)o.placeholder.update(self, self.placeholder);},_contactContainers: function(event) {// get innermost container that intersects with itemvar innermostContainer = null, innermostIndex = null;for (var i = this.containers.length - 1; i >= 0; i--){// never consider a container that's located within the item itselfif($.ui.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 continueif(innermostContainer && $.ui.contains(this.containers[i].element[0], innermostContainer.element[0]))continue;innermostContainer = this.containers[i];innermostIndex = i;} else {// container doesn't intersect. trigger "out" event if necessaryif(this.containers[i].containerCache.over) {this.containers[i]._trigger("out", event, this._uiHash(this));this.containers[i].containerCache.over = 0;}}}// if no intersecting containers found, returnif(!innermostContainer) return;// move the item into the container if it's not there alreadyif(this.containers.length === 1) {this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));this.containers[innermostIndex].containerCache.over = 1;} else if(this.currentContainer != this.containers[innermostIndex]) {//When entering a new container, we will find the item with the least distance and append our item near itvar dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top'];for (var j = this.items.length - 1; j >= 0; j--) {if(!$.ui.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue;var cur = this.items[j][this.containers[innermostIndex].floating ? 'left' : 'top'];if(Math.abs(cur - base) < dist) {dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];}}if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabledreturn;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 placeholderthis.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;var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already$(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 positionthis.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 dragif(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' && $.browser.msie)) //Ugly IE fixpo = { top: 0, left: 0 };return {top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)};},_getRelativeOffset: function() {if(this.cssPosition == "relative") {var p = this.currentItem.position();return {top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()};} else {return { top: 0, left: 0 };}},_cacheMargins: function() {this.margins = {left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),top: (parseInt(this.currentItem.css("marginTop"),10) || 0)};},_cacheHelperProportions: function() {this.helperProportions = {width: this.helper.outerWidth(),height: this.helper.outerHeight()};},_setContainment: function() {var o = this.options;if(o.containment == 'parent') o.containment = this.helper[0].parentNode;if(o.containment == 'document' || o.containment == 'window') this.containment = [0 - this.offset.relative.left - this.offset.parent.left,0 - this.offset.relative.top - this.offset.parent.top,$(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)) {var ce = $(o.containment)[0];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];}},_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 jumpsif(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 optionsif(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() )))};},_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 throughthis.counter = this.counter ? ++this.counter : 1;var self = this, counter = this.counter;window.setTimeout(function() {if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove},0);},_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 againvar delayedTriggers = [], self = this;// 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[0].parentNode) this.placeholder.before(this.currentItem);this._noFinalSort = null;if(this.helper[0] == this.currentItem[0]) {for(var 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 changedif(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current elementif(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });for (var i = this.containers.length - 1; i >= 0; i--){if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.containers[i]));delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.containers[i]));}};};//Post events to containersfor (var 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 pluginsif(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursorif(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacityif(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-indexthis.dragging = false;if(this.cancelHelperRemoval) {if(!noPropagation) {this._trigger("beforeStop", event, this._uiHash());for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed eventsthis._trigger("stop", event, this._uiHash());}return false;}if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());//$(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 (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed eventsthis._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 self = inst || this;return {helper: self.helper,placeholder: self.placeholder || $([]),position: self.position,originalPosition: self.originalPosition,offset: self.positionAbs,item: self.currentItem,sender: inst ? inst.element : null};}});$.extend($.ui.sortable, {version: "1.8.5"});})(jQuery);