/*
 * jQuery UI Sortable
 *
 * Copyright (c) 2008 Paul Bakaus
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Sortables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {
function contains(a, b) { 
    var safari2 = $.browser.safari && $.browser.version < 522; 
    if (a.contains && !safari2) { 
        return a.contains(b); 
    } 
    if (a.compareDocumentPosition) 
        return !!(a.compareDocumentPosition(b) & 16); 
    while (b = b.parentNode) 
          if (b == a) return true; 
    return false; 
};
$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
init: function() {
var o = this.options;
this.containerCache = {};
this.element.addClass("ui-sortable");
//Get the items
this.refresh();
//Let's determine if the items are floating
this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;
//Let's determine the parent's offset
//if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative');
this.offset = this.element.offset();
//Initialize mouse events for interaction
this.mouseInit();
},
plugins: {},
ui: function(inst) {
return {
helper: (inst || this)["helper"],
placeholder: (inst || this)["placeholder"] || $([]),
position: (inst || this)["position"],
absolutePosition: (inst || this)["positionAbs"],
options: this.options,
element: this.element,
item: (inst || this)["currentItem"],
sender: inst ? inst.element : null
};		
},
propagate: function(n,e,inst, noPropagation) {
$.ui.plugin.call(this, n, [e, this.ui(inst)]);
if(!noPropagation) this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]);
},
serialize: function(o) {
var items = this.getItemsAsjQuery(o && o.connected);
var str = []; o = o || {};
$(items).each(function() {
var res = ($(this.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
if(res) str.push((o.key || res[1])+'[]='+(o.key && o.expression ? res[1] : res[2]));
});
return str.join('&');
},
toArray: function(attr) {
var items = this.getItemsAsjQuery(o && o.connected);
var ret = [];
items.each(function() { ret.push($(this).attr(attr || 'id')); });
return ret;
},
/* Be careful with the following core functions */
intersectsWith: function(item) {
var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
var l = item.left, r = l + item.width, 
t = item.top, b = t + item.height;
var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
if(this.options.tolerance == "pointer" || this.options.forcePointerForContainers || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
return isOverElement;
} else {
return (l < x1 + (this.helperProportions.width / 2) // Right Half
&& x2 - (this.helperProportions.width / 2) < r // Left Half
&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
}
},
intersectsWithEdge: function(item) {	
var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
var l = item.left, r = l + item.width, 
t = item.top, b = t + item.height;
var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
if(this.options.tolerance == "pointer" || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
if(!isOverElement) return false;
if(this.floating) {
if ((x1 + dxClick) > l && (x1 + dxClick) < l + item.width/2) return 2;
if ((x1 + dxClick) > l + item.width/2 && (x1 + dxClick) < r) return 1;
} else {
var height = item.height;
var direction = y1 - this.updateOriginalPosition.top < 0 ? 2 : 1; // 2 = up
if (direction == 1 && (y1 + dyClick) < t + height/2) { return 2; } // up
else if (direction == 2 && (y1 + dyClick) > t + height/2) { return 1; } // down
}
} else {
if (!(l < x1 + (this.helperProportions.width / 2) // Right Half
&& x2 - (this.helperProportions.width / 2) < r // Left Half
&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
&& y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half
if(this.floating) {
if(x2 > l && x1 < l) return 2; //Crosses left edge
if(x1 < r && x2 > r) return 1; //Crosses right edge
} else {
if(y2 > t && y1 < t) return 1; //Crosses top edge
if(y1 < b && y2 > b) return 2; //Crosses bottom edge
}
}
return false;
},
refresh: function() {
this.refreshItems();
this.refreshPositions();
},
getItemsAsjQuery: function(connected) {
var self = this;
var items = [];
var queries = [];
if(this.options.connectWith && connected) {
for (var i = this.options.connectWith.length - 1; i >= 0; i--){
var cur = $(this.options.connectWith[i]);
for (var j = cur.length - 1; j >= 0; j--){
var inst = $.data(cur[j], 'sortable');
if(inst && inst != this && !inst.options.disabled) {
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper"), inst]);
}
};
};
}
queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper"), this]);
for (var i = queries.length - 1; i >= 0; i--){
queries[i][0].each(function() {
items.push(this);
});
};
return $(items);
},
removeCurrentsFromItems: function() {
var list = this.currentItem.find(":data(sortable-item)");	
for (var i=0; i < this.items.length; i++) {
for (var j=0; j < list.length; j++) {
if(list[j] == this.items[i].item[0])
this.items.splice(i,1);
};
};
},
refreshItems: function() {
this.items = [];
this.containers = [this];
var items = this.items;
var self = this;
var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element), this]];
if(this.options.connectWith) {
for (var i = this.options.connectWith.length - 1; i >= 0; i--){
var cur = $(this.options.connectWith[i]);
for (var j = cur.length - 1; j >= 0; j--){
var inst = $.data(cur[j], 'sortable');
if(inst && inst != this && !inst.options.disabled) {
queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element), inst]);
this.containers.push(inst);
}
};
};
}
for (var i = queries.length - 1; i >= 0; i--){
queries[i][0].each(function() {
$.data(this, 'sortable-item', queries[i][1]); // Data for target checking (mouse manager)
items.push({
item: $(this),
instance: queries[i][1],
width: 0, height: 0,
left: 0, top: 0
});
});
};
},
refreshPositions: function(fast) {
//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
if(this.offsetParent) {
var po = this.offsetParent.offset();
this.offset.parent = { top: po.top + this.offsetParentBorders.top, left: po.left + this.offsetParentBorders.left };
}
for (var i = this.items.length - 1; i >= 0; i--){		
//We ignore calculating positions of all connected containers when we're not over them
if(this.items[i].instance != this.currentContainer && this.currentContainer && this.items[i].item[0] != this.currentItem[0])
continue;
var t = this.options.toleranceElement ? $(this.options.toleranceElement, this.items[i].item) : this.items[i].item;
if(!fast) {
this.items[i].width = t[0].offsetWidth;
this.items[i].height = t[0].offsetHeight;
}
var p = t.offset();
this.items[i].left = p.left;
this.items[i].top = p.top;
};
if(this.options.custom && this.options.custom.refreshContainers) {
this.options.custom.refreshContainers.call(this);
} else {
for (var i = this.containers.length - 1; i >= 0; i--){
var p =this.containers[i].element.offset();
this.containers[i].containerCache.left = p.left;
this.containers[i].containerCache.top = p.top;
this.containers[i].containerCache.width	= this.containers[i].element.outerWidth();
this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
};
}
},
destroy: function() {
this.element
.removeClass("ui-sortable ui-sortable-disabled")
.removeData("sortable")
.unbind(".sortable");
this.mouseDestroy();
for ( var i = this.items.length - 1; i >= 0; i-- )
this.items[i].item.removeData("sortable-item");
},
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 || "ui-sortable-placeholder")[0];
if(!className) { el.style.visibility = "hidden"; el.innerHTML = self.currentItem[0].innerHTML; };
return el;
},
update: function(container, p) {
if(className) return;
if(!p.height()) { p.height(self.currentItem.innerHeight()); };
if(!p.width()) { p.width(self.currentItem.innerWidth()); };
}
};
}
self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem)).appendTo(self.currentItem.parent());
self.currentItem.before(self.placeholder);
o.placeholder.update(self, self.placeholder);
},
contactContainers: function(e) {
for (var i = this.containers.length - 1; i >= 0; i--){
if(this.intersectsWith(this.containers[i].containerCache)) {
if(!this.containers[i].containerCache.over) {
if(this.currentContainer != this.containers[i]) {
//When entering a new container, we will find the item with the least distance and append our item near it
var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];
for (var j = this.items.length - 1; j >= 0; j--) {
if(!contains(this.containers[i].element[0], this.items[j].item[0])) continue;
var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];
if(Math.abs(cur - base) < dist) {
dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
}
}
if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
continue;
this.currentContainer = this.containers[i];
itemWithLeastDistance ? this.options.sortIndicator.call(this, e, itemWithLeastDistance, null, true) : this.options.sortIndicator.call(this, e, null, this.containers[i].element, true);
this.propagate("change", e); //Call plugins and callbacks
this.containers[i].propagate("change", e, this); //Call plugins and callbacks
//Update the placeholder
this.options.placeholder.update(this.currentContainer, this.placeholder);
}
this.containers[i].propagate("over", e, this);
this.containers[i].containerCache.over = 1;
}
} else {
if(this.containers[i].containerCache.over) {
this.containers[i].propagate("out", e, this);
this.containers[i].containerCache.over = 0;
}
}
};			
},
mouseCapture: function(e, overrideHandle) {
if(this.options.disabled || this.options.type == 'static') return false;
//We have to refresh the items data once first
this.refreshItems();
//Find out if the clicked node (or one of its parents) is a actual item in this.items
var currentItem = null, self = this, nodes = $(e.target).parents().each(function() {	
if($.data(this, 'sortable-item') == self) {
currentItem = $(this);
return false;
}
});
if($.data(e.target, 'sortable-item') == self) currentItem = $(e.target);
if(!currentItem) return false;
if(this.options.handle && !overrideHandle) {
var validHandle = false;
$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == e.target) validHandle = true; });
if(!validHandle) return false;
}
this.currentItem = currentItem;
this.removeCurrentsFromItems();
return true;	
},
mouseStart: function(e, overrideHandle, noActivation) {
var o = this.options;
this.currentContainer = this;
//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
this.refreshPositions();
//Create and append the visible helper			
this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : (o.helper == "original" ? this.currentItem :  this.currentItem.clone());
if (!this.helper.parents('body').length) $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(this.helper[0]); //Add the helper to the DOM if that didn't happen already
/*
 * - Position generation -
 * This block generates everything position related - it's the core of draggables.
 */
this.margins = {																				//Cache the margins
left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
};		
this.offset = this.currentItem.offset();														//The element's absolute position on the page
this.offset = {																					//Substract the margins from the element's absolute offset
top: this.offset.top - this.margins.top,
left: this.offset.left - this.margins.left
};
this.offset.click = {																			//Where the click happened, relative to the element
left: e.pageX - this.offset.left,
top: e.pageY - this.offset.top
};
this.offsetParent = this.helper.offsetParent();													//Get the offsetParent and cache its position
var po = this.offsetParent.offset();			
this.offsetParentBorders = {
top: (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
left: (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
};
this.offset.parent = {																			//Store its position plus border
top: po.top + this.offsetParentBorders.top,
left: po.left + this.offsetParentBorders.left
};
this.updateOriginalPosition = this.originalPosition = this.generatePosition(e);				//Generate the original position
this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };  //Cache the former DOM position
//If o.placeholder is used, create a new element at the given position with the class
this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size
if(o.helper == "original") {
this._storedCSS = { position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left"), clear: this.currentItem.css("clear") };
}
if(o.helper != "original") this.currentItem.hide(); //Hide the original, won't cause anything bad this way
this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortable-helper'); //Position it absolutely and add a helper class
this.createPlaceholder();
//Call plugins and callbacks
this.propagate("start", e);
if(!this._preserveHelperProportions) this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size
if(o.cursorAt) {
if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left;
if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right;
if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top;
if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom;
}
/*
 * - Position constraining -
 * Here we prepare position constraining like grid and containment.
 */	
if(o.containment) {
if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
if(o.containment == 'document' || o.containment == 'window') this.containment = [
0 - this.offset.parent.left,
0 - this.offset.parent.top,
$(o.containment == 'document' ? document : window).width() - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0),
($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0)
];
if(!(/^(document|window|parent)$/).test(o.containment)) {
var ce = $(o.containment)[0];
var co = $(o.containment).offset();
this.containment = [
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left,
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top,
co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0),
co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0)
];
}
}
//Post 'activate' events to possible containers
if(!noActivation) {
 for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i].propagate("activate", e, this); }
}
//Prepare possible droppables
if($.ui.ddmanager) $.ui.ddmanager.current = this;
if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
this.dragging = true;
this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position
return true;
},
convertPositionTo: function(d, pos) {
if(!pos) pos = this.position;
var mod = d == "absolute" ? 1 : -1;
return {
top: (
pos.top																	// the calculated relative position
+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) * mod	// The offsetParent's scroll position
+ this.margins.top * mod												//Add the margin (you don't want the margin counting in intersection methods)
),
left: (
pos.left																// the calculated relative position
+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) * mod	// The offsetParent's scroll position
+ this.margins.left * mod												//Add the margin (you don't want the margin counting in intersection methods)
)
};
},
generatePosition: function(e) {
var o = this.options;
var position = {
top: (
e.pageY																	// The absolute mouse position
- this.offset.click.top													// Click offset (relative to the element)
- this.offset.parent.top												// The offsetParent's offset without borders (offset + border)
+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)	// The offsetParent's scroll position, not if the element is fixed
),
left: (
e.pageX																	// The absolute mouse position
- this.offset.click.left												// Click offset (relative to the element)
- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft)	// The offsetParent's scroll position, not if the element is fixed
)
};
if(!this.originalPosition) return position;										//If we are not dragging yet, we won't check for options
/*
 * - Position constraining -
 * Constrain the position to a mix of grid, containment.
 */
if(this.containment) {
if(position.left < this.containment[0]) position.left = this.containment[0];
if(position.top < this.containment[1]) position.top = this.containment[1];
if(position.left > this.containment[2]) position.left = this.containment[2];
if(position.top > this.containment[3]) position.top = this.containment[3];
}
if(o.grid) {
var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1];
position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0];
position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
}
return position;
},
mouseDrag: function(e) {
//Compute the helpers position
this.position = this.generatePosition(e);
this.positionAbs = this.convertPositionTo("absolute");
//Call the internal plugins
$.ui.plugin.call(this, "sort", [e, this.ui()]);
//Regenerate the absolute position used for position checks
this.positionAbs = this.convertPositionTo("absolute");
//Set the helper's position
this.helper[0].style.left = this.position.left+'px';
this.helper[0].style.top = this.position.top+'px';
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
var intersection = this.intersectsWithEdge(this.items[i]);
if(!intersection) continue;
if(this.items[i].item[0] != this.currentItem[0] //cannot intersect with itself
&&	this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != this.items[i].item[0] //no useless actions that have been done before
&&	!contains(this.placeholder[0], this.items[i].item[0]) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !contains(this.element[0], this.items[i].item[0]) : true)
) {
this.updateOriginalPosition = this.generatePosition(e);
this.direction = intersection == 1 ? "down" : "up";
this.options.sortIndicator.call(this, e, this.items[i]);
this.propagate("change", e); //Call plugins and callbacks
break;
}
}
//Post events to containers
this.contactContainers(e);
//Interconnect with droppables
if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
//Call callbacks
this.element.triggerHandler("sort", [e, this.ui()], this.options["sort"]);
return false;
},
rearrange: function(e, i, a, hardRefresh) {
a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
//Various things done here to improve the performance:
// 1. we create a setTimeout, that calls refreshPositions
// 2. on the instance, we have a counter variable, that get's higher after every append
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
// 4. this lets only the last addition to the timeout stack through
this.counter = this.counter ? ++this.counter : 1;
var self = this, counter = this.counter;
window.setTimeout(function() {
if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
},0);
},
mouseStop: function(e, noPropagation) {
//If we are using droppables, inform the manager about the drop
if ($.ui.ddmanager && !this.options.dropBehaviour)
$.ui.ddmanager.drop(this, e);
if(this.options.revert) {
var self = this;
var cur = self.placeholder.offset();
$(this.helper).animate({
left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
}, parseInt(this.options.revert, 10) || 500, function() {
self.clear(e);
});
} else {
this.clear(e, noPropagation);
}
return false;
},
clear: function(e, noPropagation) {
//We first have to update the dom position of the actual currentItem
if(!this._noFinalSort) this.placeholder.before(this.currentItem);
this._noFinalSort = null;
if(this.options.helper == "original")
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
else
this.currentItem.show();
if(this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) this.propagate("update", e, null, noPropagation); //Trigger update callback if the DOM position has changed
if(!contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
this.propagate("remove", e, null, noPropagation);
for (var i = this.containers.length - 1; i >= 0; i--){
if(contains(this.containers[i].element[0], this.currentItem[0])) {
this.containers[i].propagate("update", e, this, noPropagation);
this.containers[i].propagate("receive", e, this, noPropagation);
}
};
};
//Post events to containers
for (var i = this.containers.length - 1; i >= 0; i--){
this.containers[i].propagate("deactivate", e, this, noPropagation);
if(this.containers[i].containerCache.over) {
this.containers[i].propagate("out", e, this);
this.containers[i].containerCache.over = 0;
}
}
this.dragging = false;
if(this.cancelHelperRemoval) {
this.propagate("stop", e, null, noPropagation);
return false;
}
this.propagate("beforeStop", e, null, noPropagation);
this.placeholder.remove();
if(this.options.helper != "original") this.helper.remove(); this.helper = null;
this.propagate("stop", e, null, noPropagation);
return true;
}
}));
$.extend($.ui.sortable, {
getter: "serialize toArray",
defaults: {
helper: "original",
tolerance: "guess",
distance: 1,
delay: 0,
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
cancel: ":input",
items: '> *',
zIndex: 1000,
dropOnEmpty: true,
appendTo: "parent",
sortIndicator: $.ui.sortable.prototype.rearrange,
scope: "default"
}
});
/*
 * Sortable Extensions
 */
$.ui.plugin.add("sortable", "cursor", {
start: function(e, ui) {
var t = $('body');
if (t.css("cursor")) ui.options._cursor = t.css("cursor");
t.css("cursor", ui.options.cursor);
},
beforeStop: function(e, ui) {
if (ui.options._cursor) $('body').css("cursor", ui.options._cursor);
}
});
$.ui.plugin.add("sortable", "zIndex", {
start: function(e, ui) {
var t = ui.helper;
if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex");
t.css('zIndex', ui.options.zIndex);
},
beforeStop: function(e, ui) {
if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex);
}
});
$.ui.plugin.add("sortable", "opacity", {
start: function(e, ui) {
var t = ui.helper;
if(t.css("opacity")) ui.options._opacity = t.css("opacity");
t.css('opacity', ui.options.opacity);
},
beforeStop: function(e, ui) {
if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity);
}
});
$.ui.plugin.add("sortable", "scroll", {
start: function(e, ui) {
var o = ui.options;
var i = $(this).data("sortable");
i.overflowY = function(el) {
do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode);
return $(document);
}(i.currentItem);
i.overflowX = function(el) {
do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode);
return $(document);
}(i.currentItem);
if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') i.overflowYOffset = i.overflowY.offset();
if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') i.overflowXOffset = i.overflowX.offset();
},
sort: function(e, ui) {
var o = ui.options;
var i = $(this).data("sortable");
if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') {
if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity)
i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed;
if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity)
i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed;
} else {
if(e.pageY - $(document).scrollTop() < o.scrollSensitivity)
$(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity)
$(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
}
if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') {
if((i.overflowXOffset.left + i.overflowX[0].offsetWidth) - e.pageX < o.scrollSensitivity)
i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed;
if(e.pageX - i.overflowXOffset.left < o.scrollSensitivity)
i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed;
} else {
if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity)
$(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
$(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
}
});
$.ui.plugin.add("sortable", "axis", {
sort: function(e, ui) {
var i = $(this).data("sortable");
if(ui.options.axis == "y") i.position.left = i.originalPosition.left;
if(ui.options.axis == "x") i.position.top = i.originalPosition.top;
}
});
})(jQuery);