//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/

dhtmlXGridObject.prototype.enableUndoRedo = function()
{var self = this;var func = function() {return self._onEditUndoRedo.apply(self,arguments)};this.attachEvent("onEditCell", func);var func2 = function(a,b,c) {return self._onEditUndoRedo.apply(self,[2,a,b,(c?1:0),(c?0:1)])};this.attachEvent("onCheckbox", func2);this._IsUndoRedoEnabled = true;this._UndoRedoData = [];this._UndoRedoPos = -1};dhtmlXGridObject.prototype.disableUndoRedo = function()
{this._IsUndoRedoEnabled = false;this._UndoRedoData = [];this._UndoRedoPos = -1};dhtmlXGridObject.prototype._onEditUndoRedo = function(stage, row_id, cell_index, new_value, old_value)
{if (this._IsUndoRedoEnabled && stage == 2 && old_value != new_value){if (this._UndoRedoPos !== -1 && this._UndoRedoPos != ( this._UndoRedoData.length-1 )) {this._UndoRedoData = this._UndoRedoData.slice(0, this._UndoRedoPos+1)}else if (this._UndoRedoPos === -1 && this._UndoRedoData.length > 0){this._UndoRedoData = []};var obj = {old_value:old_value,
 new_value:new_value,
 row_id:row_id,
 cell_index:cell_index
 };this._UndoRedoData.push(obj);this._UndoRedoPos++};return true};dhtmlXGridObject.prototype.doUndo = function()
{if (this._UndoRedoPos === -1)return false;var obj = this._UndoRedoData[this._UndoRedoPos--];var c=this.cells(obj.row_id, obj.cell_index);if (this.getColType(obj.cell_index)=="tree")
 c.setLabel(obj.old_value);else
 c.setValue(obj.old_value)};dhtmlXGridObject.prototype.doRedo = function()
{if (this._UndoRedoPos == this._UndoRedoData.length-1)return false;var obj = this._UndoRedoData[++this._UndoRedoPos];this.cells(obj.row_id, obj.cell_index).setValue(obj.new_value)};dhtmlXGridObject.prototype.getRedo = function()
{if (this._UndoRedoPos == this._UndoRedoData.length-1)return [];return this._UndoRedoData.slice(this._UndoRedoPos+1)};dhtmlXGridObject.prototype.getUndo = function()
{if (this._UndoRedoPos == -1)return [];return this._UndoRedoData.slice(0, this._UndoRedoPos+1)};//(c)dhtmlx ltd. www.dhtmlx.com
//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/