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/*
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* jQuery UI Sortable 1.8.6
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*
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* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/Sortables
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.mouse.js
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* jquery.ui.widget.js
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*/
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(function( $, undefined ) {
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$.widget("ui.sortable", $.ui.mouse, {
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widgetEventPrefix: "sort",
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options: {
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appendTo: "parent",
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axis: false,
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connectWith: false,
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containment: false,
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cursor: 'auto',
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cursorAt: false,
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dropOnEmpty: true,
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forcePlaceholderSize: false,
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forceHelperSize: false,
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grid: false,
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handle: false,
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helper: "original",
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items: '> *',
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opacity: false,
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placeholder: false,
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revert: false,
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scroll: true,
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scrollSensitivity: 20,
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scrollSpeed: 20,
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scope: "default",
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tolerance: "intersect",
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zIndex: 1000
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},
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_create: function() {
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var o = this.options;
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this.containerCache = {};
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this.element.addClass("ui-sortable");
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//Get the items
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this.refresh();
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//Let's determine if the items are floating
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this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;
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//Let's determine the parent's offset
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this.offset = this.element.offset();
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//Initialize mouse events for interaction
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this._mouseInit();
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},
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destroy: function() {
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this.element
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.removeClass("ui-sortable ui-sortable-disabled")
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.removeData("sortable")
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.unbind(".sortable");
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this._mouseDestroy();
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for ( var i = this.items.length - 1; i >= 0; i-- )
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this.items[i].item.removeData("sortable-item");
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return this;
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},
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_setOption: function(key, value){
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if ( key === "disabled" ) {
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this.options[ key ] = value;
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this.widget()
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[ value ? "addClass" : "removeClass"]( "ui-sortable-disabled" );
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} else {
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// Don't call widget base _setOption for disable as it adds ui-state-disabled class
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$.Widget.prototype._setOption.apply(this, arguments);
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}
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},
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_mouseCapture: function(event, overrideHandle) {
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if (this.reverting) {
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return false;
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}
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if(this.options.disabled || this.options.type == 'static') return false;
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//We have to refresh the items data once first
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this._refreshItems(event);
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//Find out if the clicked node (or one of its parents) is a actual item in this.items
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var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
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if($.data(this, 'sortable-item') == self) {
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currentItem = $(this);
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return false;
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}
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});
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if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);
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if(!currentItem) return false;
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if(this.options.handle && !overrideHandle) {
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var validHandle = false;
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$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
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if(!validHandle) return false;
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}
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this.currentItem = currentItem;
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this._removeCurrentsFromItems();
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return true;
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},
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_mouseStart: function(event, overrideHandle, noActivation) {
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var o = this.options, self = this;
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this.currentContainer = this;
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//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
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this.refreshPositions();
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//Create and append the visible helper
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this.helper = this._createHelper(event);
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//Cache the helper size
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this._cacheHelperProportions();
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/*
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* - Position generation -
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* This block generates everything position related - it's the core of draggables.
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*/
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//Cache the margins of the original element
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this._cacheMargins();
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//Get the next scrolling parent
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this.scrollParent = this.helper.scrollParent();
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//The element's absolute position on the page minus margins
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this.offset = this.currentItem.offset();
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this.offset = {
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top: this.offset.top - this.margins.top,
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left: this.offset.left - this.margins.left
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};
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// Only after we got the offset, we can change the helper's position to absolute
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// TODO: Still need to figure out a way to make relative sorting possible
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this.helper.css("position", "absolute");
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this.cssPosition = this.helper.css("position");
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$.extend(this.offset, {
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click: { //Where the click happened, relative to the element
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left: event.pageX - this.offset.left,
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top: event.pageY - this.offset.top
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},
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parent: this._getParentOffset(),
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relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
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});
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//Generate the original position
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this.originalPosition = this._generatePosition(event);
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this.originalPageX = event.pageX;
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this.originalPageY = event.pageY;
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//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
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(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
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//Cache the former DOM position
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this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
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//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
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if(this.helper[0] != this.currentItem[0]) {
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this.currentItem.hide();
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}
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//Create the placeholder
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this._createPlaceholder();
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//Set a containment if given in the options
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if(o.containment)
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this._setContainment();
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if(o.cursor) { // cursor option
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if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
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$('body').css("cursor", o.cursor);
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}
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if(o.opacity) { // opacity option
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if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
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this.helper.css("opacity", o.opacity);
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}
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if(o.zIndex) { // zIndex option
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if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
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this.helper.css("zIndex", o.zIndex);
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}
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//Prepare scrolling
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if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
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this.overflowOffset = this.scrollParent.offset();
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//Call callbacks
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this._trigger("start", event, this._uiHash());
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//Recache the helper size
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if(!this._preserveHelperProportions)
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this._cacheHelperProportions();
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//Post 'activate' events to possible containers
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if(!noActivation) {
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for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
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}
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//Prepare possible droppables
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if($.ui.ddmanager)
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$.ui.ddmanager.current = this;
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if ($.ui.ddmanager && !o.dropBehaviour)
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$.ui.ddmanager.prepareOffsets(this, event);
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this.dragging = true;
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this.helper.addClass("ui-sortable-helper");
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this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
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return true;
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},
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_mouseDrag: function(event) {
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//Compute the helpers position
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this.position = this._generatePosition(event);
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this.positionAbs = this._convertPositionTo("absolute");
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if (!this.lastPositionAbs) {
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this.lastPositionAbs = this.positionAbs;
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}
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//Do scrolling
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if(this.options.scroll) {
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var o = this.options, scrolled = false;
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if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
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if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
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this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
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else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
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this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
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if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
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this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
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else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
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this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
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} else {
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if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
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scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
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else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
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scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
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if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
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scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
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else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
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scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
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}
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if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
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$.ui.ddmanager.prepareOffsets(this, event);
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}
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//Regenerate the absolute position used for position checks
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this.positionAbs = this._convertPositionTo("absolute");
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//Set the helper position
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if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
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if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
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//Rearrange
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for (var i = this.items.length - 1; i >= 0; i--) {
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//Cache variables and intersection, continue if no intersection
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var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
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if (!intersection) continue;
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if(itemElement != this.currentItem[0] //cannot intersect with itself
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&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
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&& !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
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&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
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//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
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) {
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this.direction = intersection == 1 ? "down" : "up";
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if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
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this._rearrange(event, item);
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} else {
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break;
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}
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this._trigger("change", event, this._uiHash());
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break;
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}
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}
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//Post events to containers
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this._contactContainers(event);
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//Interconnect with droppables
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if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
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//Call callbacks
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this._trigger('sort', event, this._uiHash());
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this.lastPositionAbs = this.positionAbs;
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return false;
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},
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_mouseStop: function(event, noPropagation) {
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if(!event) return;
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//If we are using droppables, inform the manager about the drop
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if ($.ui.ddmanager && !this.options.dropBehaviour)
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$.ui.ddmanager.drop(this, event);
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if(this.options.revert) {
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var self = this;
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var cur = self.placeholder.offset();
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self.reverting = true;
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$(this.helper).animate({
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left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
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top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
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}, parseInt(this.options.revert, 10) || 500, function() {
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self._clear(event);
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});
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} else {
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this._clear(event, noPropagation);
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}
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return false;
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},
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cancel: function() {
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var self = this;
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if(this.dragging) {
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this._mouseUp();
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if(this.options.helper == "original")
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this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
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else
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this.currentItem.show();
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//Post deactivating events to containers
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for (var i = this.containers.length - 1; i >= 0; i--){
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this.containers[i]._trigger("deactivate", null, self._uiHash(this));
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if(this.containers[i].containerCache.over) {
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this.containers[i]._trigger("out", null, self._uiHash(this));
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this.containers[i].containerCache.over = 0;
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}
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}
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}
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//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
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if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
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if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();
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$.extend(this, {
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helper: null,
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dragging: false,
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reverting: false,
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_noFinalSort: null
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});
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392
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if(this.domPosition.prev) {
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$(this.domPosition.prev).after(this.currentItem);
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} else {
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$(this.domPosition.parent).prepend(this.currentItem);
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}
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397
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return this;
|
399
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400
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},
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serialize: function(o) {
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var items = this._getItemsAsjQuery(o && o.connected);
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var str = []; o = o || {};
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$(items).each(function() {
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var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
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if(res) str.push((o.key || res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
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});
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if(!str.length && o.key) {
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str.push(o.key + '=');
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}
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return str.join('&');
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},
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toArray: function(o) {
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var items = this._getItemsAsjQuery(o && o.connected);
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var ret = []; o = o || {};
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items.each(function() { ret.push($(o.item || this).attr(o.attribute || 'id') || ''); });
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return ret;
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},
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429
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430
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/* Be careful with the following core functions */
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_intersectsWith: function(item) {
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432
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var x1 = this.positionAbs.left,
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x2 = x1 + this.helperProportions.width,
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y1 = this.positionAbs.top,
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y2 = y1 + this.helperProportions.height;
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var l = item.left,
|
439
|
r = l + item.width,
|
440
|
t = item.top,
|
441
|
b = t + item.height;
|
442
|
|
443
|
var dyClick = this.offset.click.top,
|
444
|
dxClick = this.offset.click.left;
|
445
|
|
446
|
var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
|
447
|
|
448
|
if( this.options.tolerance == "pointer"
|
449
|
|| this.options.forcePointerForContainers
|
450
|
|| (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
|
451
|
) {
|
452
|
return isOverElement;
|
453
|
} else {
|
454
|
|
455
|
return (l < x1 + (this.helperProportions.width / 2) // Right Half
|
456
|
&& x2 - (this.helperProportions.width / 2) < r // Left Half
|
457
|
&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
|
458
|
&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
|
459
|
|
460
|
}
|
461
|
},
|
462
|
|
463
|
_intersectsWithPointer: function(item) {
|
464
|
|
465
|
var isOverElementHeight = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
|
466
|
isOverElementWidth = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
|
467
|
isOverElement = isOverElementHeight && isOverElementWidth,
|
468
|
verticalDirection = this._getDragVerticalDirection(),
|
469
|
horizontalDirection = this._getDragHorizontalDirection();
|
470
|
|
471
|
if (!isOverElement)
|
472
|
return false;
|
473
|
|
474
|
return this.floating ?
|
475
|
( ((horizontalDirection && horizontalDirection == "right") || verticalDirection == "down") ? 2 : 1 )
|
476
|
: ( verticalDirection && (verticalDirection == "down" ? 2 : 1) );
|
477
|
|
478
|
},
|
479
|
|
480
|
_intersectsWithSides: function(item) {
|
481
|
|
482
|
var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
|
483
|
isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
|
484
|
verticalDirection = this._getDragVerticalDirection(),
|
485
|
horizontalDirection = this._getDragHorizontalDirection();
|
486
|
|
487
|
if (this.floating && horizontalDirection) {
|
488
|
return ((horizontalDirection == "right" && isOverRightHalf) || (horizontalDirection == "left" && !isOverRightHalf));
|
489
|
} else {
|
490
|
return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) || (verticalDirection == "up" && !isOverBottomHalf));
|
491
|
}
|
492
|
|
493
|
},
|
494
|
|
495
|
_getDragVerticalDirection: function() {
|
496
|
var delta = this.positionAbs.top - this.lastPositionAbs.top;
|
497
|
return delta != 0 && (delta > 0 ? "down" : "up");
|
498
|
},
|
499
|
|
500
|
_getDragHorizontalDirection: function() {
|
501
|
var delta = this.positionAbs.left - this.lastPositionAbs.left;
|
502
|
return delta != 0 && (delta > 0 ? "right" : "left");
|
503
|
},
|
504
|
|
505
|
refresh: function(event) {
|
506
|
this._refreshItems(event);
|
507
|
this.refreshPositions();
|
508
|
return this;
|
509
|
},
|
510
|
|
511
|
_connectWith: function() {
|
512
|
var options = this.options;
|
513
|
return options.connectWith.constructor == String
|
514
|
? [options.connectWith]
|
515
|
: options.connectWith;
|
516
|
},
|
517
|
|
518
|
_getItemsAsjQuery: function(connected) {
|
519
|
|
520
|
var self = this;
|
521
|
var items = [];
|
522
|
var queries = [];
|
523
|
var connectWith = this._connectWith();
|
524
|
|
525
|
if(connectWith && connected) {
|
526
|
for (var i = connectWith.length - 1; i >= 0; i--){
|
527
|
var cur = $(connectWith[i]);
|
528
|
for (var j = cur.length - 1; j >= 0; j--){
|
529
|
var inst = $.data(cur[j], 'sortable');
|
530
|
if(inst && inst != this && !inst.options.disabled) {
|
531
|
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not('.ui-sortable-placeholder'), inst]);
|
532
|
}
|
533
|
};
|
534
|
};
|
535
|
}
|
536
|
|
537
|
queries.push([$.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]);
|
538
|
|
539
|
for (var i = queries.length - 1; i >= 0; i--){
|
540
|
queries[i][0].each(function() {
|
541
|
items.push(this);
|
542
|
});
|
543
|
};
|
544
|
|
545
|
return $(items);
|
546
|
|
547
|
},
|
548
|
|
549
|
_removeCurrentsFromItems: function() {
|
550
|
|
551
|
var list = this.currentItem.find(":data(sortable-item)");
|
552
|
|
553
|
for (var i=0; i < this.items.length; i++) {
|
554
|
|
555
|
for (var j=0; j < list.length; j++) {
|
556
|
if(list[j] == this.items[i].item[0])
|
557
|
this.items.splice(i,1);
|
558
|
};
|
559
|
|
560
|
};
|
561
|
|
562
|
},
|
563
|
|
564
|
_refreshItems: function(event) {
|
565
|
|
566
|
this.items = [];
|
567
|
this.containers = [this];
|
568
|
var items = this.items;
|
569
|
var self = this;
|
570
|
var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];
|
571
|
var connectWith = this._connectWith();
|
572
|
|
573
|
if(connectWith) {
|
574
|
for (var i = connectWith.length - 1; i >= 0; i--){
|
575
|
var cur = $(connectWith[i]);
|
576
|
for (var j = cur.length - 1; j >= 0; j--){
|
577
|
var inst = $.data(cur[j], 'sortable');
|
578
|
if(inst && inst != this && !inst.options.disabled) {
|
579
|
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
|
580
|
this.containers.push(inst);
|
581
|
}
|
582
|
};
|
583
|
};
|
584
|
}
|
585
|
|
586
|
for (var i = queries.length - 1; i >= 0; i--) {
|
587
|
var targetData = queries[i][1];
|
588
|
var _queries = queries[i][0];
|
589
|
|
590
|
for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
|
591
|
var item = $(_queries[j]);
|
592
|
|
593
|
item.data('sortable-item', targetData); // Data for target checking (mouse manager)
|
594
|
|
595
|
items.push({
|
596
|
item: item,
|
597
|
instance: targetData,
|
598
|
width: 0, height: 0,
|
599
|
left: 0, top: 0
|
600
|
});
|
601
|
};
|
602
|
};
|
603
|
|
604
|
},
|
605
|
|
606
|
refreshPositions: function(fast) {
|
607
|
|
608
|
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
|
609
|
if(this.offsetParent && this.helper) {
|
610
|
this.offset.parent = this._getParentOffset();
|
611
|
}
|
612
|
|
613
|
for (var i = this.items.length - 1; i >= 0; i--){
|
614
|
var item = this.items[i];
|
615
|
|
616
|
var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
|
617
|
|
618
|
if (!fast) {
|
619
|
item.width = t.outerWidth();
|
620
|
item.height = t.outerHeight();
|
621
|
}
|
622
|
|
623
|
var p = t.offset();
|
624
|
item.left = p.left;
|
625
|
item.top = p.top;
|
626
|
};
|
627
|
|
628
|
if(this.options.custom && this.options.custom.refreshContainers) {
|
629
|
this.options.custom.refreshContainers.call(this);
|
630
|
} else {
|
631
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
632
|
var p = this.containers[i].element.offset();
|
633
|
this.containers[i].containerCache.left = p.left;
|
634
|
this.containers[i].containerCache.top = p.top;
|
635
|
this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
|
636
|
this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
|
637
|
};
|
638
|
}
|
639
|
|
640
|
return this;
|
641
|
},
|
642
|
|
643
|
_createPlaceholder: function(that) {
|
644
|
|
645
|
var self = that || this, o = self.options;
|
646
|
|
647
|
if(!o.placeholder || o.placeholder.constructor == String) {
|
648
|
var className = o.placeholder;
|
649
|
o.placeholder = {
|
650
|
element: function() {
|
651
|
|
652
|
var el = $(document.createElement(self.currentItem[0].nodeName))
|
653
|
.addClass(className || self.currentItem[0].className+" ui-sortable-placeholder")
|
654
|
.removeClass("ui-sortable-helper")[0];
|
655
|
|
656
|
if(!className)
|
657
|
el.style.visibility = "hidden";
|
658
|
|
659
|
return el;
|
660
|
},
|
661
|
update: function(container, p) {
|
662
|
|
663
|
// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
|
664
|
// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
|
665
|
if(className && !o.forcePlaceholderSize) return;
|
666
|
|
667
|
//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
|
668
|
if(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); };
|
669
|
if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); };
|
670
|
}
|
671
|
};
|
672
|
}
|
673
|
|
674
|
//Create the placeholder
|
675
|
self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));
|
676
|
|
677
|
//Append it after the actual current item
|
678
|
self.currentItem.after(self.placeholder);
|
679
|
|
680
|
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
|
681
|
o.placeholder.update(self, self.placeholder);
|
682
|
|
683
|
},
|
684
|
|
685
|
_contactContainers: function(event) {
|
686
|
|
687
|
// get innermost container that intersects with item
|
688
|
var innermostContainer = null, innermostIndex = null;
|
689
|
|
690
|
|
691
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
692
|
|
693
|
// never consider a container that's located within the item itself
|
694
|
if($.ui.contains(this.currentItem[0], this.containers[i].element[0]))
|
695
|
continue;
|
696
|
|
697
|
if(this._intersectsWith(this.containers[i].containerCache)) {
|
698
|
|
699
|
// if we've already found a container and it's more "inner" than this, then continue
|
700
|
if(innermostContainer && $.ui.contains(this.containers[i].element[0], innermostContainer.element[0]))
|
701
|
continue;
|
702
|
|
703
|
innermostContainer = this.containers[i];
|
704
|
innermostIndex = i;
|
705
|
|
706
|
} else {
|
707
|
// container doesn't intersect. trigger "out" event if necessary
|
708
|
if(this.containers[i].containerCache.over) {
|
709
|
this.containers[i]._trigger("out", event, this._uiHash(this));
|
710
|
this.containers[i].containerCache.over = 0;
|
711
|
}
|
712
|
}
|
713
|
|
714
|
}
|
715
|
|
716
|
// if no intersecting containers found, return
|
717
|
if(!innermostContainer) return;
|
718
|
|
719
|
// move the item into the container if it's not there already
|
720
|
if(this.containers.length === 1) {
|
721
|
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
|
722
|
this.containers[innermostIndex].containerCache.over = 1;
|
723
|
} else if(this.currentContainer != this.containers[innermostIndex]) {
|
724
|
|
725
|
//When entering a new container, we will find the item with the least distance and append our item near it
|
726
|
var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top'];
|
727
|
for (var j = this.items.length - 1; j >= 0; j--) {
|
728
|
if(!$.ui.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue;
|
729
|
var cur = this.items[j][this.containers[innermostIndex].floating ? 'left' : 'top'];
|
730
|
if(Math.abs(cur - base) < dist) {
|
731
|
dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
|
732
|
}
|
733
|
}
|
734
|
|
735
|
if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
|
736
|
return;
|
737
|
|
738
|
this.currentContainer = this.containers[innermostIndex];
|
739
|
itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
|
740
|
this._trigger("change", event, this._uiHash());
|
741
|
this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
|
742
|
|
743
|
//Update the placeholder
|
744
|
this.options.placeholder.update(this.currentContainer, this.placeholder);
|
745
|
|
746
|
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
|
747
|
this.containers[innermostIndex].containerCache.over = 1;
|
748
|
}
|
749
|
|
750
|
|
751
|
},
|
752
|
|
753
|
_createHelper: function(event) {
|
754
|
|
755
|
var o = this.options;
|
756
|
var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);
|
757
|
|
758
|
if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
|
759
|
$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
|
760
|
|
761
|
if(helper[0] == this.currentItem[0])
|
762
|
this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
|
763
|
|
764
|
if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
|
765
|
if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());
|
766
|
|
767
|
return helper;
|
768
|
|
769
|
},
|
770
|
|
771
|
_adjustOffsetFromHelper: function(obj) {
|
772
|
if (typeof obj == 'string') {
|
773
|
obj = obj.split(' ');
|
774
|
}
|
775
|
if ($.isArray(obj)) {
|
776
|
obj = {left: +obj[0], top: +obj[1] || 0};
|
777
|
}
|
778
|
if ('left' in obj) {
|
779
|
this.offset.click.left = obj.left + this.margins.left;
|
780
|
}
|
781
|
if ('right' in obj) {
|
782
|
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
|
783
|
}
|
784
|
if ('top' in obj) {
|
785
|
this.offset.click.top = obj.top + this.margins.top;
|
786
|
}
|
787
|
if ('bottom' in obj) {
|
788
|
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
|
789
|
}
|
790
|
},
|
791
|
|
792
|
_getParentOffset: function() {
|
793
|
|
794
|
|
795
|
//Get the offsetParent and cache its position
|
796
|
this.offsetParent = this.helper.offsetParent();
|
797
|
var po = this.offsetParent.offset();
|
798
|
|
799
|
// This is a special case where we need to modify a offset calculated on start, since the following happened:
|
800
|
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
|
801
|
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
|
802
|
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
|
803
|
if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
|
804
|
po.left += this.scrollParent.scrollLeft();
|
805
|
po.top += this.scrollParent.scrollTop();
|
806
|
}
|
807
|
|
808
|
if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
|
809
|
|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
|
810
|
po = { top: 0, left: 0 };
|
811
|
|
812
|
return {
|
813
|
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
|
814
|
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
|
815
|
};
|
816
|
|
817
|
},
|
818
|
|
819
|
_getRelativeOffset: function() {
|
820
|
|
821
|
if(this.cssPosition == "relative") {
|
822
|
var p = this.currentItem.position();
|
823
|
return {
|
824
|
top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
|
825
|
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
|
826
|
};
|
827
|
} else {
|
828
|
return { top: 0, left: 0 };
|
829
|
}
|
830
|
|
831
|
},
|
832
|
|
833
|
_cacheMargins: function() {
|
834
|
this.margins = {
|
835
|
left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
|
836
|
top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
|
837
|
};
|
838
|
},
|
839
|
|
840
|
_cacheHelperProportions: function() {
|
841
|
this.helperProportions = {
|
842
|
width: this.helper.outerWidth(),
|
843
|
height: this.helper.outerHeight()
|
844
|
};
|
845
|
},
|
846
|
|
847
|
_setContainment: function() {
|
848
|
|
849
|
var o = this.options;
|
850
|
if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
|
851
|
if(o.containment == 'document' || o.containment == 'window') this.containment = [
|
852
|
0 - this.offset.relative.left - this.offset.parent.left,
|
853
|
0 - this.offset.relative.top - this.offset.parent.top,
|
854
|
$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
|
855
|
($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
|
856
|
];
|
857
|
|
858
|
if(!(/^(document|window|parent)$/).test(o.containment)) {
|
859
|
var ce = $(o.containment)[0];
|
860
|
var co = $(o.containment).offset();
|
861
|
var over = ($(ce).css("overflow") != 'hidden');
|
862
|
|
863
|
this.containment = [
|
864
|
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
|
865
|
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
|
866
|
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,
|
867
|
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
|
868
|
];
|
869
|
}
|
870
|
|
871
|
},
|
872
|
|
873
|
_convertPositionTo: function(d, pos) {
|
874
|
|
875
|
if(!pos) pos = this.position;
|
876
|
var mod = d == "absolute" ? 1 : -1;
|
877
|
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
|
878
|
|
879
|
return {
|
880
|
top: (
|
881
|
pos.top // The absolute mouse position
|
882
|
+ this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent
|
883
|
+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
|
884
|
- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
|
885
|
),
|
886
|
left: (
|
887
|
pos.left // The absolute mouse position
|
888
|
+ this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent
|
889
|
+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
|
890
|
- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
|
891
|
)
|
892
|
};
|
893
|
|
894
|
},
|
895
|
|
896
|
_generatePosition: function(event) {
|
897
|
|
898
|
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);
|
899
|
|
900
|
// This is another very weird special case that only happens for relative elements:
|
901
|
// 1. If the css position is relative
|
902
|
// 2. and the scroll parent is the document or similar to the offset parent
|
903
|
// we have to refresh the relative offset during the scroll so there are no jumps
|
904
|
if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
|
905
|
this.offset.relative = this._getRelativeOffset();
|
906
|
}
|
907
|
|
908
|
var pageX = event.pageX;
|
909
|
var pageY = event.pageY;
|
910
|
|
911
|
/*
|
912
|
* - Position constraining -
|
913
|
* Constrain the position to a mix of grid, containment.
|
914
|
*/
|
915
|
|
916
|
if(this.originalPosition) { //If we are not dragging yet, we won't check for options
|
917
|
|
918
|
if(this.containment) {
|
919
|
if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
|
920
|
if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
|
921
|
if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
|
922
|
if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
|
923
|
}
|
924
|
|
925
|
if(o.grid) {
|
926
|
var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
|
927
|
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;
|
928
|
|
929
|
var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
|
930
|
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;
|
931
|
}
|
932
|
|
933
|
}
|
934
|
|
935
|
return {
|
936
|
top: (
|
937
|
pageY // The absolute mouse position
|
938
|
- this.offset.click.top // Click offset (relative to the element)
|
939
|
- this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
|
940
|
- this.offset.parent.top // The offsetParent's offset without borders (offset + border)
|
941
|
+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
|
942
|
),
|
943
|
left: (
|
944
|
pageX // The absolute mouse position
|
945
|
- this.offset.click.left // Click offset (relative to the element)
|
946
|
- this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
|
947
|
- this.offset.parent.left // The offsetParent's offset without borders (offset + border)
|
948
|
+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
|
949
|
)
|
950
|
};
|
951
|
|
952
|
},
|
953
|
|
954
|
_rearrange: function(event, i, a, hardRefresh) {
|
955
|
|
956
|
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));
|
957
|
|
958
|
//Various things done here to improve the performance:
|
959
|
// 1. we create a setTimeout, that calls refreshPositions
|
960
|
// 2. on the instance, we have a counter variable, that get's higher after every append
|
961
|
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
|
962
|
// 4. this lets only the last addition to the timeout stack through
|
963
|
this.counter = this.counter ? ++this.counter : 1;
|
964
|
var self = this, counter = this.counter;
|
965
|
|
966
|
window.setTimeout(function() {
|
967
|
if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
|
968
|
},0);
|
969
|
|
970
|
},
|
971
|
|
972
|
_clear: function(event, noPropagation) {
|
973
|
|
974
|
this.reverting = false;
|
975
|
// We delay all events that have to be triggered to after the point where the placeholder has been removed and
|
976
|
// everything else normalized again
|
977
|
var delayedTriggers = [], self = this;
|
978
|
|
979
|
// We first have to update the dom position of the actual currentItem
|
980
|
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
|
981
|
if(!this._noFinalSort && this.currentItem[0].parentNode) this.placeholder.before(this.currentItem);
|
982
|
this._noFinalSort = null;
|
983
|
|
984
|
if(this.helper[0] == this.currentItem[0]) {
|
985
|
for(var i in this._storedCSS) {
|
986
|
if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
|
987
|
}
|
988
|
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
|
989
|
} else {
|
990
|
this.currentItem.show();
|
991
|
}
|
992
|
|
993
|
if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
|
994
|
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
|
995
|
if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
|
996
|
if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
|
997
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
998
|
if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
|
999
|
delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
1000
|
delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
1001
|
}
|
1002
|
};
|
1003
|
};
|
1004
|
|
1005
|
//Post events to containers
|
1006
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
1007
|
if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
1008
|
if(this.containers[i].containerCache.over) {
|
1009
|
delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
|
1010
|
this.containers[i].containerCache.over = 0;
|
1011
|
}
|
1012
|
}
|
1013
|
|
1014
|
//Do what was originally in plugins
|
1015
|
if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
|
1016
|
if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity
|
1017
|
if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
|
1018
|
|
1019
|
this.dragging = false;
|
1020
|
if(this.cancelHelperRemoval) {
|
1021
|
if(!noPropagation) {
|
1022
|
this._trigger("beforeStop", event, this._uiHash());
|
1023
|
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
|
1024
|
this._trigger("stop", event, this._uiHash());
|
1025
|
}
|
1026
|
return false;
|
1027
|
}
|
1028
|
|
1029
|
if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());
|
1030
|
|
1031
|
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
|
1032
|
this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
|
1033
|
|
1034
|
if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;
|
1035
|
|
1036
|
if(!noPropagation) {
|
1037
|
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
|
1038
|
this._trigger("stop", event, this._uiHash());
|
1039
|
}
|
1040
|
|
1041
|
this.fromOutside = false;
|
1042
|
return true;
|
1043
|
|
1044
|
},
|
1045
|
|
1046
|
_trigger: function() {
|
1047
|
if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
|
1048
|
this.cancel();
|
1049
|
}
|
1050
|
},
|
1051
|
|
1052
|
_uiHash: function(inst) {
|
1053
|
var self = inst || this;
|
1054
|
return {
|
1055
|
helper: self.helper,
|
1056
|
placeholder: self.placeholder || $([]),
|
1057
|
position: self.position,
|
1058
|
originalPosition: self.originalPosition,
|
1059
|
offset: self.positionAbs,
|
1060
|
item: self.currentItem,
|
1061
|
sender: inst ? inst.element : null
|
1062
|
};
|
1063
|
}
|
1064
|
|
1065
|
});
|
1066
|
|
1067
|
$.extend($.ui.sortable, {
|
1068
|
version: "1.8.6"
|
1069
|
});
|
1070
|
|
1071
|
})(jQuery);
|