1316 lines
42 KiB
JavaScript
1316 lines
42 KiB
JavaScript
/*!
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* jQuery UI Sortable 1.11.4
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/sortable/
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*/
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(function( factory ) {
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define([
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"jquery",
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"./core",
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"./mouse",
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"./widget"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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}(function( $ ) {
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return $.widget("ui.sortable", $.ui.mouse, {
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version: "1.11.4",
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widgetEventPrefix: "sort",
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ready: false,
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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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// callbacks
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activate: null,
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beforeStop: null,
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change: null,
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deactivate: null,
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out: null,
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over: null,
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receive: null,
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remove: null,
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sort: null,
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start: null,
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stop: null,
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update: null
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},
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_isOverAxis: function( x, reference, size ) {
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return ( x >= reference ) && ( x < ( reference + size ) );
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},
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_isFloating: function( item ) {
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return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
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},
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_create: function() {
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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 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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this._setHandleClassName();
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//We're ready to go
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this.ready = true;
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},
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_setOption: function( key, value ) {
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this._super( key, value );
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if ( key === "handle" ) {
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this._setHandleClassName();
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}
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},
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_setHandleClassName: function() {
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this.element.find( ".ui-sortable-handle" ).removeClass( "ui-sortable-handle" );
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$.each( this.items, function() {
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( this.instance.options.handle ?
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this.item.find( this.instance.options.handle ) : this.item )
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.addClass( "ui-sortable-handle" );
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});
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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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.find( ".ui-sortable-handle" )
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.removeClass( "ui-sortable-handle" );
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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(this.widgetName + "-item");
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}
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return this;
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},
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_mouseCapture: function(event, overrideHandle) {
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var currentItem = null,
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validHandle = false,
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that = this;
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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") {
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return false;
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}
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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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$(event.target).parents().each(function() {
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if($.data(this, that.widgetName + "-item") === that) {
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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, that.widgetName + "-item") === that) {
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currentItem = $(event.target);
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}
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if(!currentItem) {
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return false;
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}
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if(this.options.handle && !overrideHandle) {
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$(this.options.handle, currentItem).find("*").addBack().each(function() {
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if(this === event.target) {
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validHandle = true;
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}
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});
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if(!validHandle) {
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return false;
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}
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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 i, body,
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o = this.options;
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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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$.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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// 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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//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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}
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if( o.cursor && o.cursor !== "auto" ) { // cursor option
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body = this.document.find( "body" );
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// support: IE
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this.storedCursor = body.css( "cursor" );
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body.css( "cursor", o.cursor );
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this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
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}
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if(o.opacity) { // opacity option
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if (this.helper.css("opacity")) {
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this._storedOpacity = this.helper.css("opacity");
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}
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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")) {
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this._storedZIndex = this.helper.css("zIndex");
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}
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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] !== this.document[0] && this.scrollParent[0].tagName !== "HTML") {
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this.overflowOffset = this.scrollParent.offset();
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}
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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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}
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//Post "activate" events to possible containers
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if( !noActivation ) {
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for ( i = this.containers.length - 1; i >= 0; i-- ) {
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this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
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}
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}
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//Prepare possible droppables
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if($.ui.ddmanager) {
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$.ui.ddmanager.current = this;
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}
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if ($.ui.ddmanager && !o.dropBehaviour) {
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$.ui.ddmanager.prepareOffsets(this, event);
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}
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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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var i, item, itemElement, intersection,
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o = this.options,
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scrolled = false;
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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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if(this.scrollParent[0] !== this.document[0] && 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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}
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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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}
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} else {
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if(event.pageY - this.document.scrollTop() < o.scrollSensitivity) {
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scrolled = this.document.scrollTop(this.document.scrollTop() - o.scrollSpeed);
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} else if(this.window.height() - (event.pageY - this.document.scrollTop()) < o.scrollSensitivity) {
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scrolled = this.document.scrollTop(this.document.scrollTop() + o.scrollSpeed);
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}
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if(event.pageX - this.document.scrollLeft() < o.scrollSensitivity) {
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scrolled = this.document.scrollLeft(this.document.scrollLeft() - o.scrollSpeed);
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} else if(this.window.width() - (event.pageX - this.document.scrollLeft()) < o.scrollSensitivity) {
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scrolled = this.document.scrollLeft(this.document.scrollLeft() + o.scrollSpeed);
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}
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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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}
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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") {
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this.helper[0].style.left = this.position.left+"px";
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}
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if(!this.options.axis || this.options.axis !== "x") {
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this.helper[0].style.top = this.position.top+"px";
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}
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//Rearrange
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for (i = this.items.length - 1; i >= 0; i--) {
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//Cache variables and intersection, continue if no intersection
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item = this.items[i];
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itemElement = item.item[0];
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intersection = this._intersectsWithPointer(item);
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if (!intersection) {
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continue;
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}
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// Only put the placeholder inside the current Container, skip all
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// items from other containers. This works because when moving
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// an item from one container to another the
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// currentContainer is switched before the placeholder is moved.
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//
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// Without this, moving items in "sub-sortables" can cause
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// the placeholder to jitter between the outer and inner container.
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if (item.instance !== this.currentContainer) {
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continue;
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}
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// cannot intersect with itself
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// no useless actions that have been done before
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// no action if the item moved is the parent of the item checked
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if (itemElement !== this.currentItem[0] &&
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this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
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!$.contains(this.placeholder[0], itemElement) &&
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(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
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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($.ui.ddmanager) {
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$.ui.ddmanager.drag(this, event);
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}
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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) {
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return;
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}
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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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}
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if(this.options.revert) {
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var that = this,
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cur = this.placeholder.offset(),
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axis = this.options.axis,
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animation = {};
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if ( !axis || axis === "x" ) {
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animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollLeft);
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}
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if ( !axis || axis === "y" ) {
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animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollTop);
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}
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this.reverting = true;
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$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
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that._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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if(this.dragging) {
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this._mouseUp({ target: null });
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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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}
|
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|
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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, this._uiHash(this));
|
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if(this.containers[i].containerCache.over) {
|
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this.containers[i]._trigger("out", null, this._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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if (this.placeholder) {
|
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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) {
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this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
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}
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if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
|
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this.helper.remove();
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}
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|
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$.extend(this, {
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helper: null,
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dragging: false,
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reverting: false,
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_noFinalSort: null
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});
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if(this.domPosition.prev) {
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$(this.domPosition.prev).after(this.currentItem);
|
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} else {
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$(this.domPosition.parent).prepend(this.currentItem);
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}
|
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}
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return this;
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},
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serialize: function(o) {
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var items = this._getItemsAsjQuery(o && o.connected),
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str = [];
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o = o || {};
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|
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$(items).each(function() {
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var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
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if (res) {
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str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
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}
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});
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if(!str.length && o.key) {
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str.push(o.key + "=");
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}
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return str.join("&");
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},
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toArray: function(o) {
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var items = this._getItemsAsjQuery(o && o.connected),
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ret = [];
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o = o || {};
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items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
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return ret;
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},
|
|
|
|
/* Be careful with the following core functions */
|
|
_intersectsWith: function(item) {
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|
|
var x1 = this.positionAbs.left,
|
|
x2 = x1 + this.helperProportions.width,
|
|
y1 = this.positionAbs.top,
|
|
y2 = y1 + this.helperProportions.height,
|
|
l = item.left,
|
|
r = l + item.width,
|
|
t = item.top,
|
|
b = t + item.height,
|
|
dyClick = this.offset.click.top,
|
|
dxClick = this.offset.click.left,
|
|
isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ),
|
|
isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ),
|
|
isOverElement = isOverElementHeight && isOverElementWidth;
|
|
|
|
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") || this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
|
|
isOverElementWidth = (this.options.axis === "y") || this._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 = this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
|
|
isOverRightHalf = this._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._setHandleClassName();
|
|
this.refreshPositions();
|
|
return this;
|
|
},
|
|
|
|
_connectWith: function() {
|
|
var options = this.options;
|
|
return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
|
|
},
|
|
|
|
_getItemsAsjQuery: function(connected) {
|
|
|
|
var i, j, cur, inst,
|
|
items = [],
|
|
queries = [],
|
|
connectWith = this._connectWith();
|
|
|
|
if(connectWith && connected) {
|
|
for (i = connectWith.length - 1; i >= 0; i--){
|
|
cur = $(connectWith[i], this.document[0]);
|
|
for ( j = cur.length - 1; j >= 0; j--){
|
|
inst = $.data(cur[j], this.widgetFullName);
|
|
if(inst && inst !== this && !inst.options.disabled) {
|
|
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);
|
|
|
|
function addItems() {
|
|
items.push( this );
|
|
}
|
|
for (i = queries.length - 1; i >= 0; i--){
|
|
queries[i][0].each( addItems );
|
|
}
|
|
|
|
return $(items);
|
|
|
|
},
|
|
|
|
_removeCurrentsFromItems: function() {
|
|
|
|
var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
|
|
|
|
this.items = $.grep(this.items, function (item) {
|
|
for (var j=0; j < list.length; j++) {
|
|
if(list[j] === item.item[0]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
});
|
|
|
|
},
|
|
|
|
_refreshItems: function(event) {
|
|
|
|
this.items = [];
|
|
this.containers = [this];
|
|
|
|
var i, j, cur, inst, targetData, _queries, item, queriesLength,
|
|
items = this.items,
|
|
queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
|
|
connectWith = this._connectWith();
|
|
|
|
if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
|
|
for (i = connectWith.length - 1; i >= 0; i--){
|
|
cur = $(connectWith[i], this.document[0]);
|
|
for (j = cur.length - 1; j >= 0; j--){
|
|
inst = $.data(cur[j], this.widgetFullName);
|
|
if(inst && inst !== this && !inst.options.disabled) {
|
|
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
|
|
this.containers.push(inst);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = queries.length - 1; i >= 0; i--) {
|
|
targetData = queries[i][1];
|
|
_queries = queries[i][0];
|
|
|
|
for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
|
|
item = $(_queries[j]);
|
|
|
|
item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
|
|
|
|
items.push({
|
|
item: item,
|
|
instance: targetData,
|
|
width: 0, height: 0,
|
|
left: 0, top: 0
|
|
});
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
refreshPositions: function(fast) {
|
|
|
|
// Determine whether items are being displayed horizontally
|
|
this.floating = this.items.length ?
|
|
this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
|
|
false;
|
|
|
|
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
|
|
if(this.offsetParent && this.helper) {
|
|
this.offset.parent = this._getParentOffset();
|
|
}
|
|
|
|
var i, item, t, p;
|
|
|
|
for (i = this.items.length - 1; i >= 0; i--){
|
|
item = this.items[i];
|
|
|
|
//We ignore calculating positions of all connected containers when we're not over them
|
|
if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
|
|
continue;
|
|
}
|
|
|
|
t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
|
|
|
|
if (!fast) {
|
|
item.width = t.outerWidth();
|
|
item.height = t.outerHeight();
|
|
}
|
|
|
|
p = t.offset();
|
|
item.left = p.left;
|
|
item.top = p.top;
|
|
}
|
|
|
|
if(this.options.custom && this.options.custom.refreshContainers) {
|
|
this.options.custom.refreshContainers.call(this);
|
|
} else {
|
|
for (i = this.containers.length - 1; i >= 0; i--){
|
|
p = this.containers[i].element.offset();
|
|
this.containers[i].containerCache.left = p.left;
|
|
this.containers[i].containerCache.top = p.top;
|
|
this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
|
|
this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
|
|
}
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
_createPlaceholder: function(that) {
|
|
that = that || this;
|
|
var className,
|
|
o = that.options;
|
|
|
|
if(!o.placeholder || o.placeholder.constructor === String) {
|
|
className = o.placeholder;
|
|
o.placeholder = {
|
|
element: function() {
|
|
|
|
var nodeName = that.currentItem[0].nodeName.toLowerCase(),
|
|
element = $( "<" + nodeName + ">", that.document[0] )
|
|
.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
|
|
.removeClass("ui-sortable-helper");
|
|
|
|
if ( nodeName === "tbody" ) {
|
|
that._createTrPlaceholder(
|
|
that.currentItem.find( "tr" ).eq( 0 ),
|
|
$( "<tr>", that.document[ 0 ] ).appendTo( element )
|
|
);
|
|
} else if ( nodeName === "tr" ) {
|
|
that._createTrPlaceholder( that.currentItem, element );
|
|
} else if ( nodeName === "img" ) {
|
|
element.attr( "src", that.currentItem.attr( "src" ) );
|
|
}
|
|
|
|
if ( !className ) {
|
|
element.css( "visibility", "hidden" );
|
|
}
|
|
|
|
return element;
|
|
},
|
|
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);
|
|
|
|
},
|
|
|
|
_createTrPlaceholder: function( sourceTr, targetTr ) {
|
|
var that = this;
|
|
|
|
sourceTr.children().each(function() {
|
|
$( "<td> </td>", that.document[ 0 ] )
|
|
.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
|
|
.appendTo( targetTr );
|
|
});
|
|
},
|
|
|
|
_contactContainers: function(event) {
|
|
var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom, floating, axis,
|
|
innermostContainer = null,
|
|
innermostIndex = null;
|
|
|
|
// get innermost container that intersects with item
|
|
for (i = this.containers.length - 1; i >= 0; i--) {
|
|
|
|
// never consider a container that's located within the item itself
|
|
if($.contains(this.currentItem[0], this.containers[i].element[0])) {
|
|
continue;
|
|
}
|
|
|
|
if(this._intersectsWith(this.containers[i].containerCache)) {
|
|
|
|
// if we've already found a container and it's more "inner" than this, then continue
|
|
if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
|
|
continue;
|
|
}
|
|
|
|
innermostContainer = this.containers[i];
|
|
innermostIndex = i;
|
|
|
|
} else {
|
|
// container doesn't intersect. trigger "out" event if necessary
|
|
if(this.containers[i].containerCache.over) {
|
|
this.containers[i]._trigger("out", event, this._uiHash(this));
|
|
this.containers[i].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// if no intersecting containers found, return
|
|
if(!innermostContainer) {
|
|
return;
|
|
}
|
|
|
|
// move the item into the container if it's not there already
|
|
if(this.containers.length === 1) {
|
|
if (!this.containers[innermostIndex].containerCache.over) {
|
|
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
|
|
this.containers[innermostIndex].containerCache.over = 1;
|
|
}
|
|
} else {
|
|
|
|
//When entering a new container, we will find the item with the least distance and append our item near it
|
|
dist = 10000;
|
|
itemWithLeastDistance = null;
|
|
floating = innermostContainer.floating || this._isFloating(this.currentItem);
|
|
posProperty = floating ? "left" : "top";
|
|
sizeProperty = floating ? "width" : "height";
|
|
axis = floating ? "clientX" : "clientY";
|
|
|
|
for (j = this.items.length - 1; j >= 0; j--) {
|
|
if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
|
|
continue;
|
|
}
|
|
if(this.items[j].item[0] === this.currentItem[0]) {
|
|
continue;
|
|
}
|
|
|
|
cur = this.items[j].item.offset()[posProperty];
|
|
nearBottom = false;
|
|
if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
|
|
nearBottom = true;
|
|
}
|
|
|
|
if ( Math.abs( event[ axis ] - cur ) < dist ) {
|
|
dist = Math.abs( event[ axis ] - cur );
|
|
itemWithLeastDistance = this.items[ j ];
|
|
this.direction = nearBottom ? "up": "down";
|
|
}
|
|
}
|
|
|
|
//Check if dropOnEmpty is enabled
|
|
if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
|
|
return;
|
|
}
|
|
|
|
if(this.currentContainer === this.containers[innermostIndex]) {
|
|
if ( !this.currentContainer.containerCache.over ) {
|
|
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
|
|
this.currentContainer.containerCache.over = 1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
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));
|
|
this.currentContainer = this.containers[innermostIndex];
|
|
|
|
//Update the placeholder
|
|
this.options.placeholder.update(this.currentContainer, this.placeholder);
|
|
|
|
this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
|
|
this.containers[innermostIndex].containerCache.over = 1;
|
|
}
|
|
|
|
|
|
},
|
|
|
|
_createHelper: function(event) {
|
|
|
|
var o = this.options,
|
|
helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
|
|
|
|
//Add the helper to the DOM if that didn't happen already
|
|
if(!helper.parents("body").length) {
|
|
$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
|
|
}
|
|
|
|
if(helper[0] === this.currentItem[0]) {
|
|
this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
|
|
}
|
|
|
|
if(!helper[0].style.width || o.forceHelperSize) {
|
|
helper.width(this.currentItem.width());
|
|
}
|
|
if(!helper[0].style.height || o.forceHelperSize) {
|
|
helper.height(this.currentItem.height());
|
|
}
|
|
|
|
return helper;
|
|
|
|
},
|
|
|
|
_adjustOffsetFromHelper: function(obj) {
|
|
if (typeof obj === "string") {
|
|
obj = obj.split(" ");
|
|
}
|
|
if ($.isArray(obj)) {
|
|
obj = {left: +obj[0], top: +obj[1] || 0};
|
|
}
|
|
if ("left" in obj) {
|
|
this.offset.click.left = obj.left + this.margins.left;
|
|
}
|
|
if ("right" in obj) {
|
|
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
|
|
}
|
|
if ("top" in obj) {
|
|
this.offset.click.top = obj.top + this.margins.top;
|
|
}
|
|
if ("bottom" in obj) {
|
|
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
|
|
}
|
|
},
|
|
|
|
_getParentOffset: function() {
|
|
|
|
|
|
//Get the offsetParent and cache its position
|
|
this.offsetParent = this.helper.offsetParent();
|
|
var po = this.offsetParent.offset();
|
|
|
|
// This is a special case where we need to modify a offset calculated on start, since the following happened:
|
|
// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
|
|
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
|
|
// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
|
|
if(this.cssPosition === "absolute" && this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) {
|
|
po.left += this.scrollParent.scrollLeft();
|
|
po.top += this.scrollParent.scrollTop();
|
|
}
|
|
|
|
// This needs to be actually done for all browsers, since pageX/pageY includes this information
|
|
// with an ugly IE fix
|
|
if( this.offsetParent[0] === this.document[0].body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
|
|
po = { top: 0, left: 0 };
|
|
}
|
|
|
|
return {
|
|
top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
|
|
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
|
|
};
|
|
|
|
},
|
|
|
|
_getRelativeOffset: function() {
|
|
|
|
if(this.cssPosition === "relative") {
|
|
var p = this.currentItem.position();
|
|
return {
|
|
top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
|
|
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
|
|
};
|
|
} else {
|
|
return { top: 0, left: 0 };
|
|
}
|
|
|
|
},
|
|
|
|
_cacheMargins: function() {
|
|
this.margins = {
|
|
left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
|
|
top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
|
|
};
|
|
},
|
|
|
|
_cacheHelperProportions: function() {
|
|
this.helperProportions = {
|
|
width: this.helper.outerWidth(),
|
|
height: this.helper.outerHeight()
|
|
};
|
|
},
|
|
|
|
_setContainment: function() {
|
|
|
|
var ce, co, over,
|
|
o = this.options;
|
|
if(o.containment === "parent") {
|
|
o.containment = this.helper[0].parentNode;
|
|
}
|
|
if(o.containment === "document" || o.containment === "window") {
|
|
this.containment = [
|
|
0 - this.offset.relative.left - this.offset.parent.left,
|
|
0 - this.offset.relative.top - this.offset.parent.top,
|
|
o.containment === "document" ? this.document.width() : this.window.width() - this.helperProportions.width - this.margins.left,
|
|
(o.containment === "document" ? this.document.width() : this.window.height() || this.document[0].body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
|
|
];
|
|
}
|
|
|
|
if(!(/^(document|window|parent)$/).test(o.containment)) {
|
|
ce = $(o.containment)[0];
|
|
co = $(o.containment).offset();
|
|
over = ($(ce).css("overflow") !== "hidden");
|
|
|
|
this.containment = [
|
|
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
|
|
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
|
|
co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
|
|
co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
|
|
];
|
|
}
|
|
|
|
},
|
|
|
|
_convertPositionTo: function(d, pos) {
|
|
|
|
if(!pos) {
|
|
pos = this.position;
|
|
}
|
|
var mod = d === "absolute" ? 1 : -1,
|
|
scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
|
|
scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
|
|
|
|
return {
|
|
top: (
|
|
pos.top + // The absolute mouse position
|
|
this.offset.relative.top * mod + // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.parent.top * mod - // The offsetParent's offset without borders (offset + border)
|
|
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
|
|
),
|
|
left: (
|
|
pos.left + // The absolute mouse position
|
|
this.offset.relative.left * mod + // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.parent.left * mod - // The offsetParent's offset without borders (offset + border)
|
|
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
|
|
)
|
|
};
|
|
|
|
},
|
|
|
|
_generatePosition: function(event) {
|
|
|
|
var top, left,
|
|
o = this.options,
|
|
pageX = event.pageX,
|
|
pageY = event.pageY,
|
|
scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.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] !== this.document[0] && this.scrollParent[0] !== this.offsetParent[0])) {
|
|
this.offset.relative = this._getRelativeOffset();
|
|
}
|
|
|
|
/*
|
|
* - Position constraining -
|
|
* Constrain the position to a mix of grid, containment.
|
|
*/
|
|
|
|
if(this.originalPosition) { //If we are not dragging yet, we won't check for options
|
|
|
|
if(this.containment) {
|
|
if(event.pageX - this.offset.click.left < this.containment[0]) {
|
|
pageX = this.containment[0] + this.offset.click.left;
|
|
}
|
|
if(event.pageY - this.offset.click.top < this.containment[1]) {
|
|
pageY = this.containment[1] + this.offset.click.top;
|
|
}
|
|
if(event.pageX - this.offset.click.left > this.containment[2]) {
|
|
pageX = this.containment[2] + this.offset.click.left;
|
|
}
|
|
if(event.pageY - this.offset.click.top > this.containment[3]) {
|
|
pageY = this.containment[3] + this.offset.click.top;
|
|
}
|
|
}
|
|
|
|
if(o.grid) {
|
|
top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
|
|
pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
|
|
|
|
left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
|
|
pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
|
|
}
|
|
|
|
}
|
|
|
|
return {
|
|
top: (
|
|
pageY - // The absolute mouse position
|
|
this.offset.click.top - // Click offset (relative to the element)
|
|
this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.parent.top + // The offsetParent's offset without borders (offset + border)
|
|
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
|
|
),
|
|
left: (
|
|
pageX - // The absolute mouse position
|
|
this.offset.click.left - // Click offset (relative to the element)
|
|
this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
this.offset.parent.left + // The offsetParent's offset without borders (offset + border)
|
|
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
|
|
)
|
|
};
|
|
|
|
},
|
|
|
|
_rearrange: function(event, i, a, hardRefresh) {
|
|
|
|
a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling));
|
|
|
|
//Various things done here to improve the performance:
|
|
// 1. we create a setTimeout, that calls refreshPositions
|
|
// 2. on the instance, we have a counter variable, that get's higher after every append
|
|
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
|
|
// 4. this lets only the last addition to the timeout stack through
|
|
this.counter = this.counter ? ++this.counter : 1;
|
|
var counter = this.counter;
|
|
|
|
this._delay(function() {
|
|
if(counter === this.counter) {
|
|
this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
|
|
}
|
|
});
|
|
|
|
},
|
|
|
|
_clear: function(event, noPropagation) {
|
|
|
|
this.reverting = false;
|
|
// We delay all events that have to be triggered to after the point where the placeholder has been removed and
|
|
// everything else normalized again
|
|
var i,
|
|
delayedTriggers = [];
|
|
|
|
// We first have to update the dom position of the actual currentItem
|
|
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
|
|
if(!this._noFinalSort && this.currentItem.parent().length) {
|
|
this.placeholder.before(this.currentItem);
|
|
}
|
|
this._noFinalSort = null;
|
|
|
|
if(this.helper[0] === this.currentItem[0]) {
|
|
for(i in this._storedCSS) {
|
|
if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
|
|
this._storedCSS[i] = "";
|
|
}
|
|
}
|
|
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
|
|
} else {
|
|
this.currentItem.show();
|
|
}
|
|
|
|
if(this.fromOutside && !noPropagation) {
|
|
delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
|
|
}
|
|
if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
|
|
delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
|
|
}
|
|
|
|
// Check if the items Container has Changed and trigger appropriate
|
|
// events.
|
|
if (this !== this.currentContainer) {
|
|
if(!noPropagation) {
|
|
delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
|
|
delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.currentContainer));
|
|
delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.currentContainer));
|
|
}
|
|
}
|
|
|
|
|
|
//Post events to containers
|
|
function delayEvent( type, instance, container ) {
|
|
return function( event ) {
|
|
container._trigger( type, event, instance._uiHash( instance ) );
|
|
};
|
|
}
|
|
for (i = this.containers.length - 1; i >= 0; i--){
|
|
if (!noPropagation) {
|
|
delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
|
|
}
|
|
if(this.containers[i].containerCache.over) {
|
|
delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
|
|
this.containers[i].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
//Do what was originally in plugins
|
|
if ( this.storedCursor ) {
|
|
this.document.find( "body" ).css( "cursor", this.storedCursor );
|
|
this.storedStylesheet.remove();
|
|
}
|
|
if(this._storedOpacity) {
|
|
this.helper.css("opacity", this._storedOpacity);
|
|
}
|
|
if(this._storedZIndex) {
|
|
this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
|
|
}
|
|
|
|
this.dragging = false;
|
|
|
|
if(!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.cancelHelperRemoval ) {
|
|
if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
|
|
this.helper.remove();
|
|
}
|
|
this.helper = null;
|
|
}
|
|
|
|
if(!noPropagation) {
|
|
for (i=0; i < delayedTriggers.length; i++) {
|
|
delayedTriggers[i].call(this, event);
|
|
} //Trigger all delayed events
|
|
this._trigger("stop", event, this._uiHash());
|
|
}
|
|
|
|
this.fromOutside = false;
|
|
return !this.cancelHelperRemoval;
|
|
|
|
},
|
|
|
|
_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
|
|
};
|
|
}
|
|
|
|
});
|
|
|
|
}));
|