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/**
* 2020 Anvanto
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author Anvanto (anvantoco@gmail.com)
* @copyright 2020 anvanto.com
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
(function ($) {
$.widget(
"mjs.nestedSortable",
$.extend(
{},
$.ui.sortable.prototype,
{
options: {
tabSize: 20,
disableNesting: 'mjs-nestedSortable-no-nesting',
errorClass: 'mjs-nestedSortable-error',
doNotClear: false,
listType: 'ol',
maxLevels: 0,
protectRoot: false,
rootID: null,
rtl: false,
isAllowed: function (item, parent) {
return true; }
},
_create: function () {
this.element.data('sortable', this.element.data('nestedSortable'));
if (!this.element.is(this.options.listType)) {
throw new Error('nestedSortable: Please check the listType option is set to your actual list type');
}
return $.ui.sortable.prototype._create.apply(this, arguments);
},
destroy: function () {
this.element
.removeData("nestedSortable")
.unbind(".nestedSortable");
return $.ui.sortable.prototype.destroy.apply(this, arguments);
},
_mouseDrag: function (event) {
//Compute the helpers position
this.position = this._generatePosition(event);
this.positionAbs = this._convertPositionTo("absolute");
if (!this.lastPositionAbs) {
this.lastPositionAbs = this.positionAbs;
}
var o = this.options;
//Do scrolling
if (this.options.scroll) {
var scrolled = false;
if (this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
if ((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
} else if (event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
}
if ((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
} else if (event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
}
} else {
if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
} else if ($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
}
if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
} else if ($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
}
if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
$.ui.ddmanager.prepareOffsets(this, event);
}
}
//Regenerate the absolute position used for position checks
this.positionAbs = this._convertPositionTo("absolute");
// Find the top offset before rearrangement,
var previousTopOffset = this.placeholder.offset().top;
//Set the helper position
if (!this.options.axis || this.options.axis != "y") {
this.helper[0].style.left = this.position.left+'px';
}
if (!this.options.axis || this.options.axis != "x") {
this.helper[0].style.top = this.position.top+'px';
}
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
//Cache variables and intersection, continue if no intersection
var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
if (!intersection) {
continue;
}
if (itemElement != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
&& !$.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.contains(this.element[0], itemElement) : true)
) {
$(itemElement).mouseenter();
this.direction = intersection == 1 ? "down" : "up";
if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
$(itemElement).mouseleave();
this._rearrange(event, item);
} else {
break;
}
// Clear emtpy ul's/ol's
this._clearEmpty(itemElement);
this._trigger("change", event, this._uiHash());
break;
}
}
var parentItem = (this.placeholder[0].parentNode.parentNode &&
$(this.placeholder[0].parentNode.parentNode).closest('.ui-sortable').length)
? $(this.placeholder[0].parentNode.parentNode)
: null,
level = this._getLevel(this.placeholder),
childLevels = this._getChildLevels(this.helper);
// To find the previous sibling in the list, keep backtracking until we hit a valid list item.
var previousItem = this.placeholder[0].previousSibling ? $(this.placeholder[0].previousSibling) : null;
if (previousItem != null) {
while (previousItem[0].nodeName.toLowerCase() != 'li' || previousItem[0] == this.currentItem[0] || previousItem[0] == this.helper[0]) {
if (previousItem[0].previousSibling) {
previousItem = $(previousItem[0].previousSibling);
} else {
previousItem = null;
break;
}
}
}
// To find the next sibling in the list, keep stepping forward until we hit a valid list item.
var nextItem = this.placeholder[0].nextSibling ? $(this.placeholder[0].nextSibling) : null;
if (nextItem != null) {
while (nextItem[0].nodeName.toLowerCase() != 'li' || nextItem[0] == this.currentItem[0] || nextItem[0] == this.helper[0]) {
if (nextItem[0].nextSibling) {
nextItem = $(nextItem[0].nextSibling);
} else {
nextItem = null;
break;
}
}
}
var newList = document.createElement(o.listType);
this.beyondMaxLevels = 0;
// If the item is moved to the left, send it to its parent's level unless there are siblings below it.
if (parentItem != null && nextItem == null
&& (o.rtl && (this.positionAbs.left + this.helper.outerWidth() > parentItem.offset().left + parentItem.outerWidth())
|| !o.rtl && (this.positionAbs.left < parentItem.offset().left))
) {
parentItem.after(this.placeholder[0]);
this._clearEmpty(parentItem[0]);
this._trigger("change", event, this._uiHash());
} // If the item is below a sibling and is moved to the right, make it a child of that sibling.
else if (previousItem != null
&& (o.rtl && (this.positionAbs.left + this.helper.outerWidth() < previousItem.offset().left + previousItem.outerWidth() - o.tabSize)
|| !o.rtl && (this.positionAbs.left > previousItem.offset().left + o.tabSize))
) {
this._isAllowed(previousItem, level, level+childLevels+1);
if (!previousItem.children(o.listType).length) {
previousItem[0].appendChild(newList);
}
// If this item is being moved from the top, add it to the top of the list.
if (previousTopOffset && (previousTopOffset <= previousItem.offset().top)) {
previousItem.children(o.listType).prepend(this.placeholder);
} // Otherwise, add it to the bottom of the list.
else {
previousItem.children(o.listType)[0].appendChild(this.placeholder[0]);
}
this._trigger("change", event, this._uiHash());
} else {
this._isAllowed(parentItem, level, level+childLevels);
}
//Post events to containers
this._contactContainers(event);
//Interconnect with droppables
if ($.ui.ddmanager) {
$.ui.ddmanager.drag(this, event);
}
//Call callbacks
this._trigger('sort', event, this._uiHash());
this.lastPositionAbs = this.positionAbs;
return false;
},
_mouseStop: function (event, noPropagation) {
// If 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());
}
// Clean last empty ul/ol
for (var i = this.items.length - 1; i >= 0; i--) {
var item = this.items[i].item[0];
this._clearEmpty(item);
}
$.ui.sortable.prototype._mouseStop.apply(this, arguments);
},
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),
sDepth = o.startDepthCount || 0,
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 || (/(.+)[-=_](.+)/));
if (id) {
var currentItem = {"id" : id[2]};
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 = $.extend({}, this.options, options),
sDepth = o.startDepthCount || 0,
ret = [],
left = 2;
ret.push(
{
"item_id": o.rootID,
"parent_id": 'none',
"depth": sDepth,
"left": '1',
"right": ($(o.items, this.element).length + 1) * 2
}
);
$(this.element).children(o.items).each(
function () {
left = _recursiveArray(this, sDepth + 1, left);
}
);
return ret.sort(
function (a,b) {
return (a.left - b.left);
}
);
function _recursiveArray(item, depth, left)
{
var right = left + 1,
id,
pid;
if ($(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 = ($(item).attr(o.attribute || 'id')).match(o.expression || (/(.+)[-=_](.+)/));
if (depth === sDepth + 1) {
pid = o.rootID;
} else {
var parentItem = ($(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;
$(parent).children(o.listType).children(o.items).each(
function (index, child) {
result = Math.max(self._getChildLevels(child, depth + 1), result);
}
);
return depth ? result + 1 : result;
},
_isAllowed: function (parentItem, level, levels) {
//noinspection RedundantConditionalExpressionJS
var o = this.options,
isRoot = !!$(this.domPosition.parent).hasClass('ui-sortable'),
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);