Reworked algorithm of Undo in fast collaboration mode. Fixed bug #33883. Fixed bug #33884.

common/CollaborativeEditingBase.js

@@ -884,11 +884,6 @@ CCollaborativeEditingBase.prototype.private_RestoreDocumentState = function(DocS
 		var oIndexes   = this.m_aOwnChangesIndexes[this.m_aOwnChangesIndexes.length - 1];
 		var nPosition  = oIndexes.Position;
 		var nCount     = oIndexes.Count;
-        var nOverallCount = this.m_aAllChanges.length;
-
-        var oContentChangesMap = {
-
-        };
 
         for (var nIndex = nCount - 1; nIndex >= 0; --nIndex)
         {
@@ -901,8 +896,10 @@ CCollaborativeEditingBase.prototype.private_RestoreDocumentState = function(DocS
             {
                 var _oChange = oChange.Copy();
 
-                if (this.private_CommutateContentChanges(oContentChangesMap, oClass, _oChange, nPosition + nCount))
+				if (this.private_CommutateContentChanges(_oChange, nPosition + nCount))
 					arrChanges.push(_oChange);
+
+				oChange.SetReverted(true);
             }
             else
             {
@@ -921,7 +918,10 @@ CCollaborativeEditingBase.prototype.private_RestoreDocumentState = function(DocS
 		{
 			var oReverseChange = arrChanges[nIndex].CreateReverseChange();
 			if (oReverseChange)
+			{
 				arrReverseChanges.push(oReverseChange);
+				oReverseChange.SetReverted(true);
+			}
 		}
 
         // Накатываем изменения в данном клиенте
@@ -1096,56 +1096,43 @@ CCollaborativeEditingBase.prototype.private_RestoreDocumentState = function(DocS
     {
         return this.m_aOwnChangesIndexes.length <= 0 ? false : true;
     };
-    CCollaborativeEditingBase.prototype.private_CommutateContentChanges = function(oMap, oClass, oChange, nStartPosition)
+    CCollaborativeEditingBase.prototype.private_CommutateContentChanges = function(oChange, nStartPosition)
 	{
-        var arrOtherActions = [];
+		var arrActions          = oChange.ConvertToSimpleActions();
+		var arrCommutateActions = [];
 
-        if (oMap[oClass.Get_Id()])
-        {
-            arrOtherActions = oMap[oClass.Get_Id()];
-        }
-        else
+		for (var nActionIndex = arrActions.length - 1; nActionIndex >= 0; --nActionIndex)
 		{
+			var oAction = arrActions[nActionIndex];
+			var oResult = oAction;
+
 			for (var nIndex = nStartPosition, nOverallCount = this.m_aAllChanges.length; nIndex < nOverallCount; ++nIndex)
 			{
 				var oTempChange = this.m_aAllChanges[nIndex];
 				if (!oTempChange)
 					continue;
 
-                if (oChange.IsRelated(oTempChange))
-                {
-                    arrOtherActions.push(oTempChange.ConvertToSimpleActions());
-                }
-            }
-
-            oMap[oClass.Get_Id()] = arrOtherActions;
-        }
-
-        var arrActions = oChange.ConvertToSimpleActions();
-
-        var arrCommutateActions = [];
-        for (var nActionIndex = arrActions.length - 1; nActionIndex >= 0; --nActionIndex)
-        {
-            var oAction = arrActions[nActionIndex];
-            var oResult = oAction;
-
-            for (var nIndex = 0, nOtherActionsCount = arrOtherActions.length; nIndex < nOtherActionsCount; ++nIndex)
+				if (oChange.IsRelated(oTempChange) &&  true !== oTempChange.IsReverted())
 				{
-                var arrOActions = arrOtherActions[nIndex];
-                for (var nIndex2 = 0, nOtherActionsCount2 = arrOActions.length; nIndex2 < nOtherActionsCount2; ++nIndex2)
+					var arrOtherActions = oTempChange.ConvertToSimpleActions();
+					for (var nIndex2 = 0, nOtherActionsCount2 = arrOtherActions.length; nIndex2 < nOtherActionsCount2; ++nIndex2)
 					{
-                    var oOtherAction = arrOActions[nIndex2];
+						var oOtherAction = arrOtherActions[nIndex2];
 
 						if (false === this.private_Commutate(oAction, oOtherAction))
 						{
-                        arrOActions.splice(nIndex2, 1);
+							arrOtherActions.splice(nIndex2, 1);
 							oResult = null;
 							break;
 						}
 					}
 
-                if (null === oResult)
+					oTempChange.ConvertFromSimpleActions(arrOtherActions);
+				}
+
+				if (!oResult)
 					break;
+
 			}
 
 			if (null !== oResult)

common/HistoryCommon.js

@@ -2898,6 +2898,8 @@
 	function CChangesBase(Class)
 	{
 		this.Class = Class;
+
+		this.Reverted = false;
 	}
 	CChangesBase.prototype.Type = window['AscDFH'].historyitem_Unknown_Unknown;
 	CChangesBase.prototype.Undo = function()
@@ -2949,6 +2951,14 @@
 	{
 		return false;
 	};
+	CChangesBase.prototype.IsReverted = function()
+	{
+		return this.Reverted;
+	};
+	CChangesBase.prototype.SetReverted = function(isReverted)
+	{
+		this.Reverted = isReverted;
+	};
 	window['AscDFH'].CChangesBase = CChangesBase;
 	/**
 	 * Базовый класс для изменений, которые меняют содержимое родительского класса.*
@@ -2964,6 +2974,8 @@
 		this.UseArray = false;
 		this.PosArray = [];
 		this.Add      = isAdd;
+
+		this.Reverted = false;
 	}
 	AscCommon.extendClass(CChangesBaseContentChange, CChangesBase);
 	CChangesBaseContentChange.prototype.IsContentChange = function()