var ArrayUtils = require('../utils/array'); 
var Class = require('../utils/Class'); 
var NOOP = require('../utils/NOOP'); 
var StableSort = require('../utils/array/StableSort'); 
var List = new Class({ 
initialize: function List(parent){ 
this.parent = parent; 
this.list = [] ; 
this.position = 0; 
this.addCallback = NOOP; 
this.removeCallback = NOOP; 
this._sortKey = ''; 
} 
,
add: function (child, skipCallback){ 
if (skipCallback) { 
return ArrayUtils.Add(this.list, child); 
} 
 else { 
return ArrayUtils.Add(this.list, child, 0, this.addCallback, this); 
} 
} 
,
addAt: function (child, index, skipCallback){ 
if (skipCallback) { 
return ArrayUtils.AddAt(this.list, child, index); 
} 
 else { 
return ArrayUtils.AddAt(this.list, child, index, 0, this.addCallback, this); 
} 
} 
,
getAt: function (index){ 
return this.list[index]; 
} 
,
getIndex: function (child){ 
return this.list.indexOf(child); 
} 
,
sort: function (property, handler){ 
if (!property) { 
return this; 
} 
if (handler === undefined) { 
handler = function (childA, childB){ 
return childA[property] - childB[property]; 
} 
; 
} 
StableSort.inplace(this.list, handler); 
return this; 
} 
,
getByName: function (name){ 
return ArrayUtils.GetFirst(this.list, 'name', name); 
} 
,
getRandom: function (startIndex, length){ 
return ArrayUtils.GetRandom(this.list, startIndex, length); 
} 
,
getFirst: function (property, value, startIndex, endIndex){ 
return ArrayUtils.GetFirst(this.list, property, value, startIndex, endIndex); 
} 
,
getAll: function (property, value, startIndex, endIndex){ 
return ArrayUtils.GetAll(this.list, property, value, startIndex, endIndex); 
} 
,
count: function (property, value){ 
return ArrayUtils.CountAllMatching(this.list, property, value); 
} 
,
swap: function (child1, child2){ 
ArrayUtils.Swap(this.list, child1, child2); 
} 
,
moveTo: function (child, index){ 
return ArrayUtils.MoveTo(this.list, child, index); 
} 
,
remove: function (child, skipCallback){ 
if (skipCallback) { 
return ArrayUtils.Remove(this.list, child); 
} 
 else { 
return ArrayUtils.Remove(this.list, child, this.removeCallback, this); 
} 
} 
,
removeAt: function (index, skipCallback){ 
if (skipCallback) { 
return ArrayUtils.RemoveAt(this.list, index); 
} 
 else { 
return ArrayUtils.RemoveAt(this.list, index, this.removeCallback, this); 
} 
} 
,
removeBetween: function (startIndex, endIndex, skipCallback){ 
if (skipCallback) { 
return ArrayUtils.RemoveBetween(this.list, startIndex, endIndex); 
} 
 else { 
return ArrayUtils.RemoveBetween(this.list, startIndex, endIndex, this.removeCallback, this); 
} 
} 
,
removeAll: function (skipCallback){ 
var i = _AN_Read_length('length', this.list); 
while (i-- ){ 
this.remove(this.list[i], skipCallback); 
} 
return this; 
} 
,
bringToTop: function (child){ 
return ArrayUtils.BringToTop(this.list, child); 
} 
,
sendToBack: function (child){ 
return ArrayUtils.SendToBack(this.list, child); 
} 
,
moveUp: function (child){ 
ArrayUtils.MoveUp(this.list, child); 
return child; 
} 
,
moveDown: function (child){ 
ArrayUtils.MoveDown(this.list, child); 
return child; 
} 
,
reverse: function (){ 
this.list.reverse(); 
return this; 
} 
,
shuffle: function (){ 
ArrayUtils.Shuffle(this.list); 
return this; 
} 
,
replace: function (oldChild, newChild){ 
return (_AN_Call_replace('Replace', ArrayUtils, this.list, oldChild, newChild)); 
} 
,
exists: function (child){ 
return (this.list.indexOf(child) > -1); 
} 
,
setAll: function (property, value, startIndex, endIndex){ 
ArrayUtils.SetAll(this.list, property, value, startIndex, endIndex); 
return this; 
} 
,
each: function (callback, context){ 
var args = [null ] ; 
for (var i = 2; 
i < (_AN_Read_length('length', arguments)); i++ ){ 
args.push(arguments[i]); 
} 
for (i = 0; i < (_AN_Read_length('length', this.list)); i++ ){ 
args[0] = this.list[i]; 
callback.apply(context, args); 
} 
} 
,
shutdown: function (){ 
this.removeAll(); 
this.list = [] ; 
} 
,
destroy: function (){ 
this.removeAll(); 
this.parent = null ; 
this.addCallback = null ; 
this.removeCallback = null ; 
} 
,
length: { 
get: function (){ 
return (_AN_Read_length('length', this.list)); 
} 
}
,
first: { 
get: function (){ 
this.position = 0; 
if ((_AN_Read_length('length', this.list)) > 0) { 
return this.list[0]; 
} 
 else { 
return null ; 
} 
} 
}
,
last: { 
get: function (){ 
if ((_AN_Read_length('length', this.list)) > 0) { 
this.position = _AN_Read_length('length', this.list) - 1; 
return this.list[this.position]; 
} 
 else { 
return null ; 
} 
} 
}
,
next: { 
get: function (){ 
if (this.position < (_AN_Read_length('length', this.list))) { 
this.position++ ; 
return this.list[this.position]; 
} 
 else { 
return null ; 
} 
} 
}
,
previous: { 
get: function (){ 
if (this.position > 0) { 
this.position-- ; 
return this.list[this.position]; 
} 
 else { 
return null ; 
} 
} 
}
}
); 
module.exports = List;