907 lines
24 KiB
JavaScript
907 lines
24 KiB
JavaScript
/*
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* jQuery UI Nested Sortable
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* v 2.1a / 2016-02-04
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* https://github.com/ilikenwf/nestedSortable
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*
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* Depends on:
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* jquery.ui.sortable.js 1.10+
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*
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* Copyright (c) 2010-2016 Manuele J Sarfatti and contributors
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* Licensed under the MIT License
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* http://www.opensource.org/licenses/mit-license.php
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*/
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(function( factory ) {
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"use strict";
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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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"jquery-ui/sortable"
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], factory );
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} else {
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// Browser globals
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factory( window.jQuery );
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}
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}(function($) {
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"use strict";
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function isOverAxis( x, reference, size ) {
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return ( x > reference ) && ( x < ( reference + size ) );
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}
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$.widget("mjs.nestedSortable", $.extend({}, $.ui.sortable.prototype, {
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options: {
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disableParentChange: false,
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doNotClear: false,
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expandOnHover: 700,
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isAllowed: function() { return true; },
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isTree: false,
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listType: "ol",
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maxLevels: 0,
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protectRoot: false,
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rootID: null,
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rtl: false,
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startCollapsed: false,
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tabSize: 20,
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branchClass: "mjs-nestedSortable-branch",
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collapsedClass: "mjs-nestedSortable-collapsed",
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disableNestingClass: "mjs-nestedSortable-no-nesting",
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errorClass: "mjs-nestedSortable-error",
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expandedClass: "mjs-nestedSortable-expanded",
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hoveringClass: "mjs-nestedSortable-hovering",
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leafClass: "mjs-nestedSortable-leaf",
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disabledClass: "mjs-nestedSortable-disabled"
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},
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_create: function() {
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var self = this,
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err;
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this.element.data("ui-sortable", this.element.data("mjs-nestedSortable"));
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// mjs - prevent browser from freezing if the HTML is not correct
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if (!this.element.is(this.options.listType)) {
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err = "nestedSortable: " +
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"Please check that the listType option is set to your actual list type";
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throw new Error(err);
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}
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// if we have a tree with expanding/collapsing functionality,
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// force 'intersect' tolerance method
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if (this.options.isTree && this.options.expandOnHover) {
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this.options.tolerance = "intersect";
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}
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$.ui.sortable.prototype._create.apply(this, arguments);
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// prepare the tree by applying the right classes
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// (the CSS is responsible for actual hide/show functionality)
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if (this.options.isTree) {
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$(this.items).each(function() {
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var $li = this.item,
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hasCollapsedClass = $li.hasClass(self.options.collapsedClass),
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hasExpandedClass = $li.hasClass(self.options.expandedClass);
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if ($li.children(self.options.listType).length) {
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$li.addClass(self.options.branchClass);
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// expand/collapse class only if they have children
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if ( !hasCollapsedClass && !hasExpandedClass ) {
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if (self.options.startCollapsed) {
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$li.addClass(self.options.collapsedClass);
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} else {
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$li.addClass(self.options.expandedClass);
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}
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}
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} else {
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$li.addClass(self.options.leafClass);
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}
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});
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}
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},
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_destroy: function() {
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this.element
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.removeData("mjs-nestedSortable")
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.removeData("ui-sortable");
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return $.ui.sortable.prototype._destroy.apply(this, arguments);
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},
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_mouseDrag: function(event) {
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var i,
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item,
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itemElement,
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intersection,
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self = this,
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o = this.options,
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scrolled = false,
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$document = $(document),
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previousTopOffset,
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parentItem,
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level,
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childLevels,
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itemAfter,
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itemBefore,
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newList,
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method,
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a,
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previousItem,
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nextItem,
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helperIsNotSibling;
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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] !== document && this.scrollParent[0].tagName !== "HTML") {
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if (
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(
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this.overflowOffset.top +
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this.scrollParent[0].offsetHeight
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) -
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event.pageY <
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o.scrollSensitivity
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) {
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scrolled = this.scrollParent.scrollTop() + o.scrollSpeed;
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this.scrollParent.scrollTop(scrolled);
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} else if (
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event.pageY -
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this.overflowOffset.top <
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o.scrollSensitivity
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) {
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scrolled = this.scrollParent.scrollTop() - o.scrollSpeed;
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this.scrollParent.scrollTop(scrolled);
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}
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if (
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(
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this.overflowOffset.left +
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this.scrollParent[0].offsetWidth
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) -
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event.pageX <
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o.scrollSensitivity
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) {
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scrolled = this.scrollParent.scrollLeft() + o.scrollSpeed;
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this.scrollParent.scrollLeft(scrolled);
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} else if (
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event.pageX -
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this.overflowOffset.left <
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o.scrollSensitivity
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) {
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scrolled = this.scrollParent.scrollLeft() - o.scrollSpeed;
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this.scrollParent.scrollLeft(scrolled);
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}
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} else {
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if (
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event.pageY -
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$document.scrollTop() <
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o.scrollSensitivity
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) {
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scrolled = $document.scrollTop() - o.scrollSpeed;
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$document.scrollTop(scrolled);
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} else if (
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$(window).height() -
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(
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event.pageY -
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$document.scrollTop()
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) <
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o.scrollSensitivity
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) {
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scrolled = $document.scrollTop() + o.scrollSpeed;
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$document.scrollTop(scrolled);
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}
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if (
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event.pageX -
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$document.scrollLeft() <
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o.scrollSensitivity
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) {
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scrolled = $document.scrollLeft() - o.scrollSpeed;
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$document.scrollLeft(scrolled);
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} else if (
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$(window).width() -
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(
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event.pageX -
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$document.scrollLeft()
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) <
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o.scrollSensitivity
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) {
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scrolled = $document.scrollLeft() + o.scrollSpeed;
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$document.scrollLeft(scrolled);
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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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// mjs - find the top offset before rearrangement,
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previousTopOffset = this.placeholder.offset().top;
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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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// mjs - check and reset hovering state at each cycle
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this.hovering = this.hovering ? this.hovering : null;
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this.mouseentered = this.mouseentered ? this.mouseentered : false;
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// mjs - let's start caching some variables
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(function() {
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var _parentItem = this.placeholder.parent().parent();
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if (_parentItem && _parentItem.closest(".ui-sortable").length) {
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parentItem = _parentItem;
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}
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}.call(this));
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level = this._getLevel(this.placeholder);
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childLevels = this._getChildLevels(this.helper);
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newList = document.createElement(o.listType);
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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 form 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 the placeholder to jitter
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// beetween 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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// No action if intersected item is disabled
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// and the element above or below in the direction we're going is also disabled
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if (itemElement.className.indexOf(o.disabledClass) !== -1) {
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// Note: intersection hardcoded direction values from
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// jquery.ui.sortable.js:_intersectsWithPointer
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if (intersection === 2) {
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// Going down
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itemAfter = this.items[i + 1];
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if (itemAfter && itemAfter.item.hasClass(o.disabledClass)) {
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continue;
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}
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} else if (intersection === 1) {
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// Going up
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itemBefore = this.items[i - 1];
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if (itemBefore && itemBefore.item.hasClass(o.disabledClass)) {
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continue;
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}
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}
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}
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method = intersection === 1 ? "next" : "prev";
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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[method]()[0] !== itemElement &&
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!$.contains(this.placeholder[0], itemElement) &&
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(
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this.options.type === "semi-dynamic" ?
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!$.contains(this.element[0], itemElement) :
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true
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)
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) {
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// mjs - we are intersecting an element:
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// trigger the mouseenter event and store this state
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if (!this.mouseentered) {
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$(itemElement).mouseenter();
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this.mouseentered = true;
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}
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// mjs - if the element has children and they are hidden,
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// show them after a delay (CSS responsible)
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if (o.isTree && $(itemElement).hasClass(o.collapsedClass) && o.expandOnHover) {
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if (!this.hovering) {
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$(itemElement).addClass(o.hoveringClass);
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this.hovering = window.setTimeout(function() {
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$(itemElement)
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.removeClass(o.collapsedClass)
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.addClass(o.expandedClass);
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self.refreshPositions();
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self._trigger("expand", event, self._uiHash());
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}, o.expandOnHover);
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}
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}
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this.direction = intersection === 1 ? "down" : "up";
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// mjs - rearrange the elements and reset timeouts and hovering state
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if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
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$(itemElement).mouseleave();
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this.mouseentered = false;
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$(itemElement).removeClass(o.hoveringClass);
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if (this.hovering) {
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window.clearTimeout(this.hovering);
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}
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this.hovering = null;
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// mjs - do not switch container if
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// it's a root item and 'protectRoot' is true
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// or if it's not a root item but we are trying to make it root
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if (o.protectRoot &&
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!(
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this.currentItem[0].parentNode === this.element[0] &&
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// it's a root item
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itemElement.parentNode !== this.element[0]
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// it's intersecting a non-root item
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)
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) {
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if (this.currentItem[0].parentNode !== this.element[0] &&
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itemElement.parentNode === this.element[0]
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) {
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if ( !$(itemElement).children(o.listType).length) {
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itemElement.appendChild(newList);
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if (o.isTree) {
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$(itemElement)
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.removeClass(o.leafClass)
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.addClass(o.branchClass + " " + o.expandedClass);
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}
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}
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if (this.direction === "down") {
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a = $(itemElement).prev().children(o.listType);
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} else {
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a = $(itemElement).children(o.listType);
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}
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if (a[0] !== undefined) {
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this._rearrange(event, null, a);
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}
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} else {
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this._rearrange(event, item);
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}
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} else if (!o.protectRoot) {
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this._rearrange(event, item);
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}
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} else {
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break;
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}
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// Clear emtpy ul's/ol's
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this._clearEmpty(itemElement);
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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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// mjs - to find the previous sibling in the list,
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// keep backtracking until we hit a valid list item.
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(function() {
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var _previousItem = this.placeholder.prev();
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if (_previousItem.length) {
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previousItem = _previousItem;
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} else {
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previousItem = null;
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}
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}.call(this));
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if (previousItem != null) {
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while (
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previousItem[0].nodeName.toLowerCase() !== "li" ||
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previousItem[0].className.indexOf(o.disabledClass) !== -1 ||
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previousItem[0] === this.currentItem[0] ||
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previousItem[0] === this.helper[0]
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) {
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if (previousItem[0].previousSibling) {
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previousItem = $(previousItem[0].previousSibling);
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} else {
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previousItem = null;
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break;
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}
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}
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}
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// mjs - to find the next sibling in the list,
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// keep stepping forward until we hit a valid list item.
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(function() {
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var _nextItem = this.placeholder.next();
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if (_nextItem.length) {
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nextItem = _nextItem;
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} else {
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nextItem = null;
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}
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}.call(this));
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if (nextItem != null) {
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while (
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nextItem[0].nodeName.toLowerCase() !== "li" ||
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nextItem[0].className.indexOf(o.disabledClass) !== -1 ||
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nextItem[0] === this.currentItem[0] ||
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nextItem[0] === this.helper[0]
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) {
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if (nextItem[0].nextSibling) {
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nextItem = $(nextItem[0].nextSibling);
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} else {
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nextItem = null;
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break;
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}
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}
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}
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this.beyondMaxLevels = 0;
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// mjs - if the item is moved to the left, send it one level up
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// but only if it's at the bottom of the list
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if (parentItem != null &&
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nextItem == null &&
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!(o.protectRoot && parentItem[0].parentNode == this.element[0]) &&
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(
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o.rtl &&
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(
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this.positionAbs.left +
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this.helper.outerWidth() > parentItem.offset().left +
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parentItem.outerWidth()
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) ||
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!o.rtl && (this.positionAbs.left < parentItem.offset().left)
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)
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) {
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parentItem.after(this.placeholder[0]);
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helperIsNotSibling = !parentItem
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.children(o.listItem)
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.children("li:visible:not(.ui-sortable-helper)")
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.length;
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if (o.isTree && helperIsNotSibling) {
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parentItem
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.removeClass(this.options.branchClass + " " + this.options.expandedClass)
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.addClass(this.options.leafClass);
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}
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if(typeof parentItem !== 'undefined')
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this._clearEmpty(parentItem[0]);
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this._trigger("change", event, this._uiHash());
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// mjs - if the item is below a sibling and is moved to the right,
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// make it a child of that sibling
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} else if (previousItem != null &&
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!previousItem.hasClass(o.disableNestingClass) &&
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(
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previousItem.children(o.listType).length &&
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previousItem.children(o.listType).is(":visible") ||
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!previousItem.children(o.listType).length
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) &&
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!(o.protectRoot && this.currentItem[0].parentNode === this.element[0]) &&
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(
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o.rtl &&
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(
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this.positionAbs.left +
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this.helper.outerWidth() <
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previousItem.offset().left +
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previousItem.outerWidth() -
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o.tabSize
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) ||
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!o.rtl &&
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(this.positionAbs.left > previousItem.offset().left + o.tabSize)
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)
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) {
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this._isAllowed(previousItem, level, level + childLevels + 1);
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if (!previousItem.children(o.listType).length) {
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previousItem[0].appendChild(newList);
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if (o.isTree) {
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previousItem
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.removeClass(o.leafClass)
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.addClass(o.branchClass + " " + o.expandedClass);
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}
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}
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// mjs - if this item is being moved from the top, add it to the top of the list.
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if (previousTopOffset && (previousTopOffset <= previousItem.offset().top)) {
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previousItem.children(o.listType).prepend(this.placeholder);
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} else {
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// mjs - otherwise, add it to the bottom of the list.
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previousItem.children(o.listType)[0].appendChild(this.placeholder[0]);
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}
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if(typeof parentItem !== 'undefined')
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this._clearEmpty(parentItem[0]);
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this._trigger("change", event, this._uiHash());
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} else {
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this._isAllowed(parentItem, level, level + childLevels);
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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
|
|
this._trigger("sort", event, this._uiHash());
|
|
|
|
this.lastPositionAbs = this.positionAbs;
|
|
return false;
|
|
|
|
},
|
|
|
|
_mouseStop: function(event) {
|
|
// mjs - if the item is in a position not allowed, send it back
|
|
if (this.beyondMaxLevels) {
|
|
|
|
this.placeholder.removeClass(this.options.errorClass);
|
|
|
|
if (this.domPosition.prev) {
|
|
$(this.domPosition.prev).after(this.placeholder);
|
|
} else {
|
|
$(this.domPosition.parent).prepend(this.placeholder);
|
|
}
|
|
|
|
this._trigger("revert", event, this._uiHash());
|
|
|
|
}
|
|
|
|
// mjs - clear the hovering timeout, just to be sure
|
|
$("." + this.options.hoveringClass)
|
|
.mouseleave()
|
|
.removeClass(this.options.hoveringClass);
|
|
|
|
this.mouseentered = false;
|
|
if (this.hovering) {
|
|
window.clearTimeout(this.hovering);
|
|
}
|
|
this.hovering = null;
|
|
|
|
this._relocate_event = event;
|
|
this._pid_current = $(this.domPosition.parent).parent().attr("id");
|
|
this._sort_current = this.domPosition.prev ? $(this.domPosition.prev).next().index() : 0;
|
|
$.ui.sortable.prototype._mouseStop.apply(this, arguments); //asybnchronous execution, @see _clear for the relocate event.
|
|
},
|
|
|
|
// mjs - this function is slightly modified
|
|
// to make it easier to hover over a collapsed element and have it expand
|
|
_intersectsWithSides: function(item) {
|
|
|
|
var half = this.options.isTree ? .8 : .5,
|
|
isOverBottomHalf = isOverAxis(
|
|
this.positionAbs.top + this.offset.click.top,
|
|
item.top + (item.height * half),
|
|
item.height
|
|
),
|
|
isOverTopHalf = isOverAxis(
|
|
this.positionAbs.top + this.offset.click.top,
|
|
item.top - (item.height * half),
|
|
item.height
|
|
),
|
|
isOverRightHalf = isOverAxis(
|
|
this.positionAbs.left + this.offset.click.left,
|
|
item.left + (item.width / 2),
|
|
item.width
|
|
),
|
|
verticalDirection = this._getDragVerticalDirection(),
|
|
horizontalDirection = this._getDragHorizontalDirection();
|
|
|
|
if (this.floating && horizontalDirection) {
|
|
return (
|
|
(horizontalDirection === "right" && isOverRightHalf) ||
|
|
(horizontalDirection === "left" && !isOverRightHalf)
|
|
);
|
|
} else {
|
|
return verticalDirection && (
|
|
(verticalDirection === "down" && isOverBottomHalf) ||
|
|
(verticalDirection === "up" && isOverTopHalf)
|
|
);
|
|
}
|
|
|
|
},
|
|
|
|
_contactContainers: function() {
|
|
|
|
if (this.options.protectRoot && this.currentItem[0].parentNode === this.element[0] ) {
|
|
return;
|
|
}
|
|
|
|
$.ui.sortable.prototype._contactContainers.apply(this, arguments);
|
|
|
|
},
|
|
|
|
_clear: function() {
|
|
var i,
|
|
item;
|
|
|
|
$.ui.sortable.prototype._clear.apply(this, arguments);
|
|
|
|
//relocate event
|
|
if (!(this._pid_current === this._uiHash().item.parent().parent().attr("id") &&
|
|
this._sort_current === this._uiHash().item.index())) {
|
|
this._trigger("relocate", this._relocate_event, this._uiHash());
|
|
}
|
|
|
|
// mjs - clean last empty ul/ol
|
|
for (i = this.items.length - 1; i >= 0; i--) {
|
|
item = this.items[i].item[0];
|
|
this._clearEmpty(item);
|
|
}
|
|
|
|
},
|
|
|
|
serialize: function(options) {
|
|
|
|
var o = $.extend({}, this.options, options),
|
|
items = this._getItemsAsjQuery(o && o.connected),
|
|
str = [];
|
|
|
|
$(items).each(function() {
|
|
var res = ($(o.item || this).attr(o.attribute || "id") || "")
|
|
.match(o.expression || (/(.+)[-=_](.+)/)),
|
|
pid = ($(o.item || this).parent(o.listType)
|
|
.parent(o.items)
|
|
.attr(o.attribute || "id") || "")
|
|
.match(o.expression || (/(.+)[-=_](.+)/));
|
|
|
|
if (res) {
|
|
str.push(
|
|
(
|
|
(o.key || res[1]) +
|
|
"[" +
|
|
(o.key && o.expression ? res[1] : res[2]) + "]"
|
|
) +
|
|
"=" +
|
|
(pid ? (o.key && o.expression ? pid[1] : pid[2]) : o.rootID));
|
|
}
|
|
});
|
|
|
|
if (!str.length && o.key) {
|
|
str.push(o.key + "=");
|
|
}
|
|
|
|
return str.join("&");
|
|
|
|
},
|
|
|
|
toHierarchy: function(options) {
|
|
|
|
var o = $.extend({}, this.options, options),
|
|
ret = [];
|
|
|
|
$(this.element).children(o.items).each(function() {
|
|
var level = _recursiveItems(this);
|
|
ret.push(level);
|
|
});
|
|
|
|
return ret;
|
|
|
|
function _recursiveItems(item) {
|
|
var id = ($(item).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[-=_](.+)/)),
|
|
currentItem;
|
|
|
|
var data = $(item).data();
|
|
if (data.nestedSortableItem) {
|
|
delete data.nestedSortableItem; // Remove the nestedSortableItem object from the data
|
|
}
|
|
|
|
if (id) {
|
|
currentItem = {
|
|
"id": id[2]
|
|
};
|
|
|
|
currentItem = $.extend({}, currentItem, data); // Combine the two objects
|
|
|
|
if ($(item).children(o.listType).children(o.items).length > 0) {
|
|
currentItem.children = [];
|
|
$(item).children(o.listType).children(o.items).each(function() {
|
|
var level = _recursiveItems(this);
|
|
currentItem.children.push(level);
|
|
});
|
|
}
|
|
return currentItem;
|
|
}
|
|
}
|
|
},
|
|
|
|
toArray: function(options) {
|
|
|
|
var o = $.extend({}, this.options, options),
|
|
sDepth = o.startDepthCount || 0,
|
|
ret = [],
|
|
left = 1;
|
|
|
|
if (!o.excludeRoot) {
|
|
ret.push({
|
|
"item_id": o.rootID,
|
|
"parent_id": null,
|
|
"depth": sDepth,
|
|
"left": left,
|
|
"right": ($(o.items, this.element).length + 1) * 2
|
|
});
|
|
left++;
|
|
}
|
|
|
|
$(this.element).children(o.items).each(function() {
|
|
left = _recursiveArray(this, sDepth, left);
|
|
});
|
|
|
|
ret = ret.sort(function(a, b) { return (a.left - b.left); });
|
|
|
|
return ret;
|
|
|
|
function _recursiveArray(item, depth, _left) {
|
|
|
|
var right = _left + 1,
|
|
id,
|
|
pid,
|
|
parentItem;
|
|
|
|
if ($(item).children(o.listType).children(o.items).length > 0) {
|
|
depth++;
|
|
$(item).children(o.listType).children(o.items).each(function() {
|
|
right = _recursiveArray($(this), depth, right);
|
|
});
|
|
depth--;
|
|
}
|
|
|
|
id = ($(item).attr(o.attribute || "id")).match(o.expression || (/(.+)[-=_](.+)/));
|
|
|
|
if (depth === sDepth) {
|
|
pid = o.rootID;
|
|
} else {
|
|
parentItem = ($(item).parent(o.listType)
|
|
.parent(o.items)
|
|
.attr(o.attribute || "id"))
|
|
.match(o.expression || (/(.+)[-=_](.+)/));
|
|
pid = parentItem[2];
|
|
}
|
|
|
|
if (id) {
|
|
var data = $(item).children('div').data();
|
|
var itemObj = $.extend( data, {
|
|
"id":id[2],
|
|
"parent_id":pid,
|
|
"depth":depth,
|
|
"left":_left,
|
|
"right":right
|
|
} );
|
|
ret.push( itemObj );
|
|
}
|
|
|
|
_left = right + 1;
|
|
return _left;
|
|
}
|
|
|
|
},
|
|
|
|
_clearEmpty: function (item) {
|
|
function replaceClass(elem, search, replace, swap) {
|
|
if (swap) {
|
|
search = [replace, replace = search][0];
|
|
}
|
|
|
|
$(elem).removeClass(search).addClass(replace);
|
|
}
|
|
|
|
var o = this.options,
|
|
childrenList = $(item).children(o.listType),
|
|
hasChildren = childrenList.has('li').length;
|
|
|
|
var doNotClear =
|
|
o.doNotClear ||
|
|
hasChildren ||
|
|
o.protectRoot && $(item)[0] === this.element[0];
|
|
|
|
if (o.isTree) {
|
|
replaceClass(item, o.branchClass, o.leafClass, doNotClear);
|
|
}
|
|
|
|
if (!doNotClear) {
|
|
childrenList.parent().removeClass(o.expandedClass);
|
|
childrenList.remove();
|
|
}
|
|
},
|
|
|
|
_getLevel: function(item) {
|
|
|
|
var level = 1,
|
|
list;
|
|
|
|
if (this.options.listType) {
|
|
list = item.closest(this.options.listType);
|
|
while (list && list.length > 0 && !list.is(".ui-sortable")) {
|
|
level++;
|
|
list = list.parent().closest(this.options.listType);
|
|
}
|
|
}
|
|
|
|
return level;
|
|
},
|
|
|
|
_getChildLevels: function(parent, depth) {
|
|
var self = this,
|
|
o = this.options,
|
|
result = 0;
|
|
depth = depth || 0;
|
|
|
|
$(parent).children(o.listType).children(o.items).each(function(index, child) {
|
|
result = Math.max(self._getChildLevels(child, depth + 1), result);
|
|
});
|
|
|
|
return depth ? result + 1 : result;
|
|
},
|
|
|
|
_isAllowed: function(parentItem, level, levels) {
|
|
var o = this.options,
|
|
// this takes into account the maxLevels set to the recipient list
|
|
maxLevels = this
|
|
.placeholder
|
|
.closest(".ui-sortable")
|
|
.nestedSortable("option", "maxLevels"),
|
|
|
|
// Check if the parent has changed to prevent it, when o.disableParentChange is true
|
|
oldParent = this.currentItem.parent().parent(),
|
|
disabledByParentchange = o.disableParentChange && (
|
|
//From somewhere to somewhere else, except the root
|
|
typeof parentItem !== 'undefined' && !oldParent.is(parentItem) ||
|
|
typeof parentItem === 'undefined' && oldParent.is("li") //From somewhere to the root
|
|
);
|
|
// mjs - is the root protected?
|
|
// mjs - are we nesting too deep?
|
|
if (
|
|
disabledByParentchange ||
|
|
!o.isAllowed(this.placeholder, parentItem, this.currentItem)
|
|
) {
|
|
this.placeholder.addClass(o.errorClass);
|
|
if (maxLevels < levels && maxLevels !== 0) {
|
|
this.beyondMaxLevels = levels - maxLevels;
|
|
} else {
|
|
this.beyondMaxLevels = 1;
|
|
}
|
|
} else {
|
|
if (maxLevels < levels && maxLevels !== 0) {
|
|
this.placeholder.addClass(o.errorClass);
|
|
this.beyondMaxLevels = levels - maxLevels;
|
|
} else {
|
|
this.placeholder.removeClass(o.errorClass);
|
|
this.beyondMaxLevels = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
}));
|
|
|
|
$.mjs.nestedSortable.prototype.options = $.extend(
|
|
{},
|
|
$.ui.sortable.prototype.options,
|
|
$.mjs.nestedSortable.prototype.options
|
|
);
|
|
})); |