452 lines
14 KiB
JavaScript
452 lines
14 KiB
JavaScript
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/*
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* jQuery UI Nested Sortable
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* v 1.3.5 / 21 jun 2012
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* http://mjsarfatti.com/code/nestedSortable
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*
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* Depends on:
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* jquery.ui.sortable.js 1.8+
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*
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* Copyright (c) 2010-2012 Manuele J Sarfatti
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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($) {
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$.widget("mjs.nestedSortable", $.extend({}, $.ui.sortable.prototype, {
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options: {
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tabSize: 20,
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disableNesting: 'mjs-nestedSortable-no-nesting',
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errorClass: 'mjs-nestedSortable-error',
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doNotClear: 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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isAllowed: function(item, parent) { return true; }
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},
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_create: function() {
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this.element.data('sortable', this.element.data('nestedSortable'));
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if (!this.element.is(this.options.listType))
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throw new Error('nestedSortable: Please check the listType option is set to your actual list type');
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return $.ui.sortable.prototype._create.apply(this, arguments);
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},
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destroy: function() {
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this.element
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.removeData("nestedSortable")
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.unbind(".nestedSortable");
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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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//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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var o = this.options;
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//Do scrolling
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if(this.options.scroll) {
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var scrolled = false;
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if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
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if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
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this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
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else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
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this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
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if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
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this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
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else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
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this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
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} else {
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if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
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scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
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else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
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scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
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if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
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scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
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else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
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scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
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}
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if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
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$.ui.ddmanager.prepareOffsets(this, event);
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}
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//Regenerate the absolute position used for position checks
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this.positionAbs = this._convertPositionTo("absolute");
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// Find the top offset before rearrangement,
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var 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") this.helper[0].style.left = this.position.left+'px';
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if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
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//Rearrange
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for (var i = this.items.length - 1; i >= 0; i--) {
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//Cache variables and intersection, continue if no intersection
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var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
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if (!intersection) continue;
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if(itemElement != this.currentItem[0] //cannot intersect with itself
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&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
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&& !$.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
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&& (this.options.type == 'semi-dynamic' ? !$.contains(this.element[0], itemElement) : true)
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//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
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) {
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$(itemElement).mouseenter();
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this.direction = intersection == 1 ? "down" : "up";
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if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
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$(itemElement).mouseleave();
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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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// 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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var parentItem = (this.placeholder[0].parentNode.parentNode &&
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$(this.placeholder[0].parentNode.parentNode).closest('.ui-sortable').length)
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? $(this.placeholder[0].parentNode.parentNode)
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: null,
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level = this._getLevel(this.placeholder),
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childLevels = this._getChildLevels(this.helper);
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// To find the previous sibling in the list, keep backtracking until we hit a valid list item.
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var previousItem = this.placeholder[0].previousSibling ? $(this.placeholder[0].previousSibling) : null;
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if (previousItem != null) {
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while (previousItem[0].nodeName.toLowerCase() != 'li' || previousItem[0] == this.currentItem[0] || previousItem[0] == this.helper[0]) {
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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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// To find the next sibling in the list, keep stepping forward until we hit a valid list item.
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var nextItem = this.placeholder[0].nextSibling ? $(this.placeholder[0].nextSibling) : null;
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if (nextItem != null) {
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while (nextItem[0].nodeName.toLowerCase() != 'li' || nextItem[0] == this.currentItem[0] || nextItem[0] == this.helper[0]) {
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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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var newList = document.createElement(o.listType);
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this.beyondMaxLevels = 0;
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// If the item is moved to the left, send it to its parent's level unless there are siblings below it.
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if (parentItem != null && nextItem == null &&
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(o.rtl && (this.positionAbs.left + this.helper.outerWidth() > parentItem.offset().left + parentItem.outerWidth()) ||
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!o.rtl && (this.positionAbs.left < parentItem.offset().left))) {
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parentItem.after(this.placeholder[0]);
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this._clearEmpty(parentItem[0]);
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this._trigger("change", event, this._uiHash());
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}
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// If the item is below a sibling and is moved to the right, make it a child of that sibling.
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else if (previousItem != null &&
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(o.rtl && (this.positionAbs.left + this.helper.outerWidth() < previousItem.offset().left + previousItem.outerWidth() - o.tabSize) ||
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!o.rtl && (this.positionAbs.left > previousItem.offset().left + o.tabSize))) {
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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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}
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// 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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}
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// Otherwise, add it to the bottom of the list.
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else {
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previousItem.children(o.listType)[0].appendChild(this.placeholder[0]);
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}
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this._trigger("change", event, this._uiHash());
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}
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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) $.ui.ddmanager.drag(this, event);
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//Call callbacks
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this._trigger('sort', event, this._uiHash());
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this.lastPositionAbs = this.positionAbs;
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return false;
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},
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_mouseStop: function(event, noPropagation) {
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// If the item is in a position not allowed, send it back
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if (this.beyondMaxLevels) {
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this.placeholder.removeClass(this.options.errorClass);
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if (this.domPosition.prev) {
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$(this.domPosition.prev).after(this.placeholder);
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} else {
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$(this.domPosition.parent).prepend(this.placeholder);
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}
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this._trigger("revert", event, this._uiHash());
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}
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// Clean last empty ul/ol
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for (var i = this.items.length - 1; i >= 0; i--) {
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var item = this.items[i].item[0];
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this._clearEmpty(item);
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}
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$.ui.sortable.prototype._mouseStop.apply(this, arguments);
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// for Orbit ----> Check the number of pages in each page
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if($('#items').length) {
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var $sortable = $('.sortable'),
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$host = $sortable.children('.navbar').eq(0),
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$navbar = $('.sortable li').children('.navbar'),
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$quantity = $sortable.find('li').length;
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$host.find('.badge').text($quantity);
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$navbar.each(function(i) {
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if($navbar.eq(i).next('ol').length>0) {
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var $amount = $navbar.eq(i).next('ol').find('li').length;
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$navbar.eq(i).find('.badge').text($amount);
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}else{
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$navbar.eq(i).find('.badge').text('0');
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}
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if($navbar.eq(i).next('ol').length==1 && $navbar.eq(i).next('ol').children('li').length==0){
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$navbar.eq(i).next('ol').remove();
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}
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$navbar.eq(i).find('.badge').text()>0 ? $navbar.eq(i).find('.badge').addClass('badge-info'):$navbar.eq(i).find('.badge').removeClass('badge-info');
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});
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}
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//
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},
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serialize: function(options) {
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var o = $.extend({}, this.options, options),
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items = this._getItemsAsjQuery(o && o.connected),
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str = [];
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$(items).each(function() {
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var res = ($(o.item || this).attr(o.attribute || 'id') || '')
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.match(o.expression || (/(.+)[-=_](.+)/)),
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pid = ($(o.item || this).parent(o.listType)
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.parent(o.items)
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.attr(o.attribute || 'id') || '')
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.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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+ (pid ? (o.key && o.expression ? pid[1] : pid[2]) : o.rootID));
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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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toHierarchy: function(options) {
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var o = $.extend({}, this.options, options),
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sDepth = o.startDepthCount || 0,
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ret = [];
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$(this.element).children(o.items).each(function () {
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var level = _recursiveItems(this);
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ret.push(level);
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});
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return ret;
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function _recursiveItems(item) {
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var id = ($(item).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
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if (id) {
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var currentItem = {"id" : id[2]};
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if ($(item).children(o.listType).children(o.items).length > 0) {
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currentItem.children = [];
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$(item).children(o.listType).children(o.items).each(function() {
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var level = _recursiveItems(this);
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currentItem.children.push(level);
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});
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}
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return currentItem;
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}
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}
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},
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toArray: function(options) {
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var o = $.extend({}, this.options, options),
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sDepth = o.startDepthCount || 0,
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ret = [],
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left = 2;
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ret.push({
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"item_id": o.rootID,
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"parent_id": 'none',
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"depth": sDepth,
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"left": '1',
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"right": ($(o.items, this.element).length + 1) * 2
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});
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$(this.element).children(o.items).each(function () {
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left = _recursiveArray(this, sDepth + 1, left);
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});
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ret = ret.sort(function(a,b){ return (a.left - b.left); });
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return ret;
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function _recursiveArray(item, depth, left) {
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var right = left + 1,
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id,
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pid;
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if ($(item).children(o.listType).children(o.items).length > 0) {
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depth ++;
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$(item).children(o.listType).children(o.items).each(function () {
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right = _recursiveArray($(this), depth, right);
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});
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depth --;
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||
|
|
}
|
||
|
|
|
||
|
|
id = ($(item).attr(o.attribute || 'id')).match(o.expression || (/(.+)[-=_](.+)/));
|
||
|
|
|
||
|
|
if (depth === sDepth + 1) {
|
||
|
|
pid = o.rootID;
|
||
|
|
} else {
|
||
|
|
var parentItem = ($(item).parent(o.listType)
|
||
|
|
.parent(o.items)
|
||
|
|
.attr(o.attribute || 'id'))
|
||
|
|
.match(o.expression || (/(.+)[-=_](.+)/));
|
||
|
|
pid = parentItem[2];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (id) {
|
||
|
|
ret.push({"item_id": id[2], "parent_id": pid, "depth": depth, "left": left, "right": right});
|
||
|
|
}
|
||
|
|
|
||
|
|
left = right + 1;
|
||
|
|
return left;
|
||
|
|
}
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
_clearEmpty: function(item) {
|
||
|
|
|
||
|
|
var emptyList = $(item).children(this.options.listType);
|
||
|
|
if (emptyList.length && !emptyList.children().length && !this.options.doNotClear) {
|
||
|
|
emptyList.remove();
|
||
|
|
}
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
_getLevel: function(item) {
|
||
|
|
|
||
|
|
var level = 1;
|
||
|
|
|
||
|
|
if (this.options.listType) {
|
||
|
|
var 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,
|
||
|
|
isRoot = $(this.domPosition.parent).hasClass('ui-sortable') ? true : false,
|
||
|
|
maxLevels = this.placeholder.closest('.ui-sortable').nestedSortable('option', 'maxLevels'); // this takes into account the maxLevels set to the recipient list
|
||
|
|
|
||
|
|
// Is the root protected?
|
||
|
|
// Are we trying to nest under a no-nest?
|
||
|
|
// Are we nesting too deep?
|
||
|
|
if (!o.isAllowed(this.currentItem, parentItem) ||
|
||
|
|
parentItem && parentItem.hasClass(o.disableNesting) ||
|
||
|
|
o.protectRoot && (parentItem == null && !isRoot || isRoot && level > 1)) {
|
||
|
|
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);
|
||
|
|
})(jQuery);
|