| /*! |
| * jQuery UI Sortable 1.9.0 |
| * http://jqueryui.com |
| * |
| * Copyright 2012 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 ) { |
| |
| $.widget("ui.sortable", $.ui.mouse, { |
| version: "1.9.0", |
| 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 |
| }, |
| _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 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 |
| var currentItem = null, nodes = $(event.target).parents().each(function() { |
| if($.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) { |
| 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; |
| 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"); |
| $('body').css("cursor", o.cursor); |
| } |
| |
| if(o.opacity) { // opacity option |
| if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity"); |
| this.helper.css("opacity", o.opacity); |
| } |
| |
| if(o.zIndex) { // zIndex option |
| if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex"); |
| this.helper.css("zIndex", o.zIndex); |
| } |
| |
| //Prepare scrolling |
| if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') |
| this.overflowOffset = this.scrollParent.offset(); |
| |
| //Call callbacks |
| this._trigger("start", event, this._uiHash()); |
| |
| //Recache the helper size |
| if(!this._preserveHelperProportions) |
| this._cacheHelperProportions(); |
| |
| |
| //Post 'activate' events to possible containers |
| if(!noActivation) { |
| for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, this._uiHash(this)); } |
| } |
| |
| //Prepare possible droppables |
| if($.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) { |
| |
| //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) { |
| 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) |
| $.ui.ddmanager.prepareOffsets(this, event); |
| } |
| |
| //Regenerate the absolute position used for position checks |
| this.positionAbs = this._convertPositionTo("absolute"); |
| |
| //Set the helper position |
| if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; |
| if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
| |
| //Rearrange |
| for (var i = this.items.length - 1; i >= 0; i--) { |
| |
| //Cache variables and intersection, continue if no intersection |
| var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item); |
| if (!intersection) continue; |
| |
| // Only put the placeholder inside the current Container, skip all |
| // items form other containers. This works because when moving |
| // an item from one container to another the |
| // currentContainer is switched before the placeholder is moved. |
| // |
| // Without this moving items in "sub-sortables" can cause the placeholder to jitter |
| // beetween the outer and inner container. |
| if (item.instance !== this.currentContainer) continue; |
| |
| if (itemElement != this.currentItem[0] //cannot intersect with itself |
| && this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before |
| && !$.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked |
| && (this.options.type == 'semi-dynamic' ? !$.contains(this.element[0], itemElement) : true) |
| //&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container |
| ) { |
| |
| this.direction = intersection == 1 ? "down" : "up"; |
| |
| if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) { |
| this._rearrange(event, item); |
| } else { |
| break; |
| } |
| |
| this._trigger("change", event, this._uiHash()); |
| break; |
| } |
| } |
| |
| //Post events to containers |
| this._contactContainers(event); |
| |
| //Interconnect with droppables |
| if($.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; |
| var 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); |
| 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 = (this.options.axis === 'x') || $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height), |
| isOverElementWidth = (this.options.axis === 'y') || $.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 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 = $.data(cur[j], this.widgetName); |
| if(inst && inst != this && !inst.options.disabled) { |
| queries.push([$.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 $(items); |
| |
| }, |
| |
| _removeCurrentsFromItems: function() { |
| |
| var list = this.currentItem.find(":data(" + this.widgetName + "-item)"); |
| |
| for (var i=0; i < this.items.length; i++) { |
| |
| for (var j=0; j < list.length; j++) { |
| if(list[j] == this.items[i].item[0]) |
| this.items.splice(i,1); |
| }; |
| |
| }; |
| |
| }, |
| |
| _refreshItems: function(event) { |
| |
| this.items = []; |
| this.containers = [this]; |
| var items = this.items; |
| var queries = [[$.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 && this.ready) { //Shouldn't be run the first time through due to massive slow-down |
| for (var i = connectWith.length - 1; i >= 0; i--){ |
| var cur = $(connectWith[i]); |
| for (var j = cur.length - 1; j >= 0; j--){ |
| var inst = $.data(cur[j], this.widgetName); |
| if(inst && inst != this && !inst.options.disabled) { |
| queries.push([$.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(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(); |
| } |
| |
| for (var i = this.items.length - 1; i >= 0; i--){ |
| var 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; |
| |
| 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) { |
| that = that || this; |
| var o = that.options; |
| |
| if(!o.placeholder || o.placeholder.constructor == String) { |
| var 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 = $(o.placeholder.element.call(that.element, that.currentItem)); |
| |
| //Append it after the actual current item |
| that.currentItem.after(that.placeholder); |
| |
| //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317) |
| o.placeholder.update(that, that.placeholder); |
| |
| }, |
| |
| _contactContainers: function(event) { |
| |
| // get innermost container that intersects with item |
| var innermostContainer = null, innermostIndex = null; |
| |
| |
| for (var i = this.containers.length - 1; i >= 0; i--){ |
| |
| // never consider a container that's located within the item itself |
| if($.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 && $.contains(this.containers[i].element[0], innermostContainer.element[0])) |
| continue; |
| |
| innermostContainer = this.containers[i]; |
| innermostIndex = i; |
| |
| } else { |
| // container doesn't intersect. trigger "out" event if necessary |
| if(this.containers[i].containerCache.over) { |
| this.containers[i]._trigger("out", event, this._uiHash(this)); |
| this.containers[i].containerCache.over = 0; |
| } |
| } |
| |
| } |
| |
| // if no intersecting containers found, return |
| if(!innermostContainer) return; |
| |
| // move the item into the container if it's not there already |
| if(this.containers.length === 1) { |
| this.containers[innermostIndex]._trigger("over", event, this._uiHash(this)); |
| this.containers[innermostIndex].containerCache.over = 1; |
| } else if(this.currentContainer != this.containers[innermostIndex]) { |
| |
| //When entering a new container, we will find the item with the least distance and append our item near it |
| var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top']; |
| for (var j = this.items.length - 1; j >= 0; j--) { |
| if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue; |
| var cur = this.containers[innermostIndex].floating ? this.items[j].item.offset().left : this.items[j].item.offset().top; |
| if(Math.abs(cur - base) < dist) { |
| dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; |
| this.direction = (cur - base > 0) ? 'down' : 'up'; |
| } |
| } |
| |
| if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled |
| 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; |
| 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 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(); |
| } |
| |
| 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.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 && $.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 o = this.options, 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(); |
| } |
| |
| 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) |
| + ( ( 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; |
| |
| // Cause error when sort widgets on dashboard. Error: Object has no _delay method |
| //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 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(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 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 (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 plugins |
| if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor |
| if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity |
| if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index |
| |
| this.dragging = false; |
| if(this.cancelHelperRemoval) { |
| if(!noPropagation) { |
| this._trigger("beforeStop", event, this._uiHash()); |
| for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events |
| this._trigger("stop", event, this._uiHash()); |
| } |
| |
| this.fromOutside = false; |
| return false; |
| } |
| |
| if(!noPropagation) this._trigger("beforeStop", event, this._uiHash()); |
| |
| //$(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 (var 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); |
