File: D:/web/itpartnership.net (cms)/lib/jquery/js/jquery.ui.nestedSortable.js
/*
* jQuery UI Nested Sortable 1.1.1
*
* Copyright 2010, Manuele J Sarfatti
*
* http://mjsarfatti.com/sandbox/nestedSortable
*
* Depends:
* jquery.ui.core.js 1.8+
* jquery.ui.widget.js 1.8+
* jquery.ui.sortable.js 1.8+
*/
(function($) {
$.widget("ui.nestedSortable", $.extend({}, $.ui.sortable.prototype, {
options: {
tabSize: 20,
disableNesting: 'ui-nestedSortable-no-nesting',
errorClass: 'ui-nestedSortable-error'
},
_create: function(){
this.element.data('sortable', this.element.data('sortableTree'));
return $.ui.sortable.prototype._create.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;
}
//Do scrolling
if(this.options.scroll) {
var o = this.options, 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)
$.ui.ddmanager.prepareOffsets(this, event);
}
//Regenerate the absolute position used for position checks
this.positionAbs = this._convertPositionTo("absolute");
//Set the helper position
if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
//Cache variables and intersection, continue if no intersection
var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
if (!intersection) continue;
if(itemElement != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
&& !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
) {
this.direction = intersection == 1 ? "down" : "up";
if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
this._rearrange(event, item);
} else {
break;
}
// Clear emtpy ul's
this._clearUls(itemElement);
this._trigger("change", event, this._uiHash());
break;
}
}
// Get the real previous item
itemBefore = this.placeholder[0].previousSibling;
while (itemBefore != null) {
if (itemBefore.nodeType == 1 && itemBefore != this.currentItem[0]) {
break;
} else {
itemBefore = itemBefore.previousSibling;
}
}
parentItem = this.placeholder[0].parentNode.parentNode;
newUl = document.createElement('ul');
// Make/delete nested ul's
if (parentItem != null && parentItem.nodeName == 'LI' && this.positionAbs.left < $(parentItem).offset().left) {
$(parentItem).after(this.placeholder[0]);
this._clearUls(parentItem);
} else if (itemBefore != null && itemBefore.nodeName == 'LI' && this.positionAbs.left > $(itemBefore).offset().left + this.options.tabSize) {
if (!($(itemBefore).hasClass(this.options.disableNesting))) {
if ($(this.placeholder[0]).hasClass(this.options.errorClass)) {
$(this.placeholder[0]).css('marginLeft', 0).removeClass(this.options.errorClass);
}
if (itemBefore.children[1] == null) {
itemBefore.appendChild(newUl);
}
itemBefore.children[1].appendChild(this.placeholder[0]);
} else {
$(this.placeholder[0]).addClass(this.options.errorClass).css('marginLeft', this.options.tabSize);
}
} else if (itemBefore != null) {
if ($(this.placeholder[0]).hasClass(this.options.errorClass)) {
$(this.placeholder[0]).css('marginLeft', 0).removeClass(this.options.errorClass);
}
$(itemBefore).after(this.placeholder[0]);
} else {
if ($(this.placeholder[0]).hasClass(this.options.errorClass)) {
$(this.placeholder[0]).css('marginLeft', 0).removeClass(this.options.errorClass);
}
}
//Post events to containers
this._contactContainers(event);
//Interconnect with droppables
if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
//Call callbacks
this._trigger('sort', event, this._uiHash());
this.lastPositionAbs = this.positionAbs;
return false;
},
serialize: function(o) {
var items = this._getItemsAsjQuery(o && o.connected);
var str = []; o = o || {};
$(items).each(function() {
var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
var pid = ($(o.item || this).parent('ul').parent('li').attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
if(res) str.push((o.key || res[1]+'['+(o.key && o.expression ? res[1] : res[2])+']')+'='+(pid ? (o.key && o.expression ? pid[1] : pid[2]) : 'root'));
});
if(!str.length && o.key) {
str.push(o.key + '=');
}
return str.join('&');
},
toArray: function(o) {
o = o || {};
var sDepth = o.startDepthCount || 0;
var ret = [];
var left = 2;
ret.push({"item_id": 'root', "parent_id": 'none', "depth": sDepth, "left": '1', "right": ($('li', this.element).length + 1) * 2});
$(this.element).children('li').each(function() {
left = _recursiveArray($(this), sDepth + 1, left);
});
return ret;
function _recursiveArray(item, depth, left) {
right = left + 1;
if ($(item).children('ul').children('li').length > 0) {
depth ++;
$(item).children('ul').children('li').each(function() {
right = _recursiveArray($(this), depth, right);
});
depth --;
}
id = $(item).attr('id').match(o.expression || (/(.+)[-=_](.+)/));
if (depth === sDepth + 1) pid = 'root';
else {
parent = $(item).parent('ul').parent('li').attr('id').match(o.expression || (/(.+)[-=_](.+)/));
pid = parent[2];
}
ret.push({"item_id": id[2], "parent_id": pid, "depth": depth, "left": left, "right": right});
return left = right + 1;
}
},
_createPlaceholder: function(that) {
var self = that || this, o = self.options;
if(!o.placeholder || o.placeholder.constructor == String) {
var className = o.placeholder;
o.placeholder = {
element: function() {
var el = $(document.createElement(self.currentItem[0].nodeName))
.addClass(className || self.currentItem[0].className+" ui-sortable-placeholder")
.removeClass("ui-sortable-helper")[0];
if(!className)
el.style.visibility = "hidden";
return el;
},
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 an actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
if(!p.height() || p.css('height') == 'auto') { p.height(self.currentItem.height()); };
if(!p.width()) { p.width(self.currentItem.width()); };
}
};
}
//Create the placeholder
self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));
//Append it after the actual current item
self.currentItem.after(self.placeholder);
//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
o.placeholder.update(self, self.placeholder);
},
_clear: function(event, noPropagation) {
$.ui.sortable.prototype._clear.apply(this, arguments);
// Clean last empty ul
for (var i = this.items.length - 1; i >= 0; i--) {
var item = this.items[i].item[0];
this._clearUls(item);
}
return true;
},
_clearUls: function(item) {
if (item.children[1] && item.children[1].children.length == 0) {
item.removeChild(item.children[1]);
}
}
}));
$.ui.nestedSortable.prototype.options = $.extend({}, $.ui.sortable.prototype.options, $.ui.nestedSortable.prototype.options);
})(jQuery);