/// <summary>
/// a factory method that creates an data view command from the send command
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
internal LocalDataViewCommandBase CreateLocalDataViewCommand(IClientCommand command)
{
LocalDataViewCommandBase localDataViewCommandBase = null;
if (command is TransactionCommand)
{
localDataViewCommandBase = new CommitTransactionLocalDataViewCommand((TransactionCommand)command);
}
else if (command is DataviewCommand)
{
localDataViewCommandBase = CreateDataViewCommand((DataviewCommand)command);
}
else if (command is EventCommand)
{
localDataViewCommandBase = CreateEventCommand((EventCommand)command);
}
else if (command is ExecOperCommand)
{
ExecOperCommand execOperCommand = (ExecOperCommand)command;
if (execOperCommand.Operation != null && execOperCommand.Operation.getType() == ConstInterface.MG_OPER_UPDATE)
{
localDataViewCommandBase = new LocalDataViewCommandUpdateNonModifiable(execOperCommand);
}
}
if (localDataViewCommandBase != null)
{
localDataViewCommandBase.DataviewManager = LocalDataviewManager;
localDataViewCommandBase.LocalManager = ClientManager.Instance.LocalManager;
}
return(localDataViewCommandBase);
}
/// <summary>
/// helper function for command type == event
/// </summary>
/// <param name="command"></param>
/// <returns></returns>
private LocalDataViewCommandBase CreateEventCommand(EventCommand eventCommand)
{
LocalDataViewCommandBase localDataViewCommandBase = null;
switch (eventCommand.MagicEvent)
{
case InternalInterface.MG_ACT_DATAVIEW_TOP:
localDataViewCommandBase = new LocalDataViewCommandFetchTopChunk(eventCommand);
break;
case InternalInterface.MG_ACT_DATAVIEW_BOTTOM:
localDataViewCommandBase = new LocalDataViewCommandFetchBottomChunk(eventCommand);
break;
case InternalInterface.MG_ACT_CACHE_PREV:
localDataViewCommandBase = new LocalDataViewCommandFetchPrevChunk(eventCommand);
break;
case InternalInterface.MG_ACT_CACHE_NEXT:
localDataViewCommandBase = new LocalDataViewCommandFetchNextChunk(eventCommand);
break;
case InternalInterface.MG_ACT_RT_REFRESH_VIEW:
localDataViewCommandBase = new LocalDataViewCommandViewRefresh((RefreshEventCommand)eventCommand);
break;
case InternalInterface.MG_ACT_SUBFORM_REFRESH:
localDataViewCommandBase = new LocalDataViewCommandSubformRefresh((SubformRefreshEventCommand)eventCommand);
break;
case InternalInterface.MG_ACT_RTO_CREATE:
localDataViewCommandBase = new LocalDataViewCommandGoToCreateMode(eventCommand);
break;
case InternalInterface.MG_ACT_COMPUTE:
localDataViewCommandBase = new LocalDataViewCommandCompute((ComputeEventCommand)eventCommand);
((LocalDataViewCommandCompute)localDataViewCommandBase).Record = ((DataView)LocalDataviewManager.Task.DataView).GetRecordById(eventCommand.ClientRecId);
break;
case InternalInterface.MG_ACT_RTO_LOCATE:
localDataViewCommandBase = new LocalDataViewCommandLocateInQuery((LocateQueryEventCommand)eventCommand);
break;
case InternalInterface.MG_ACT_COL_SORT:
localDataViewCommandBase = new LocalDataViewCommandSort((ColumnSortEventCommand)eventCommand);
break;
case InternalInterface.MG_ACT_RT_REFRESH_RECORD:
localDataViewCommandBase = new GetCurrentRecordLocalDataViewCommand(eventCommand);
break;
case InternalInterface.MG_ACT_ROLLBACK:
localDataViewCommandBase = new RollbackTransactionLocalDataViewCommand((RollbackEventCommand)eventCommand);
break;
/////NOT Implemented commands
case InternalInterface.MG_ACT_RT_REFRESH_SCREEN:
localDataViewCommandBase = new LocalDataViewCommandViewRefreshScreen(eventCommand);
break;
case InternalInterface.MG_ACT_RTO_SEARCH:
localDataViewCommandBase = new LocalDataviewCommandLocateNext(eventCommand);
break;
case InternalInterface.MG_ACT_UPDATE_DATAVIEW_TO_DATASOURCE:
localDataViewCommandBase = new LocalUpdateRemoteDataViewToDataSourceCommand((UpdateDataViewToDataSourceEventCommand)eventCommand);
break;
default:
Logger.Instance.WriteExceptionToLog("in DataView.fetchChunkFromServer() unknown magicEvent: " + eventCommand.MagicEvent);
break;
}
return(localDataViewCommandBase);
}
/// <summary>
/// helper function for command type == dataview
/// </summary>
/// <param name="command"></param>
/// <param name="localDataViewCommandBase"></param>
/// <returns></returns>
private LocalDataViewCommandBase CreateDataViewCommand(DataviewCommand dataviewCommand)
{
LocalDataViewCommandBase localDataViewCommandBase = null;
switch (dataviewCommand.CommandType)
{
case DataViewCommandType.Init:
localDataViewCommandBase = new LocalInitDataViewCommand(dataviewCommand);
break;
case DataViewCommandType.Clear:
localDataViewCommandBase = new LocalClearDataViewCommand(dataviewCommand);
break;
case DataViewCommandType.Prepare:
localDataViewCommandBase = new LocalDataViewCommandPrepare(dataviewCommand);
break;
case DataViewCommandType.FirstChunk:
localDataViewCommandBase = new LocalDataViewCommandFetchFirstChunk(dataviewCommand);
break;
case DataViewCommandType.RecomputeUnit:
localDataViewCommandBase = new RecomputeUnitLocalDataViewCommand((RecomputeUnitDataviewCommand)dataviewCommand);
((RecomputeUnitLocalDataViewCommand)localDataViewCommandBase).Record = ((DataView)LocalDataviewManager.Task.DataView).GetRecordById(
((RecomputeUnitDataviewCommand)dataviewCommand).ClientRecId);
break;
case DataViewCommandType.ExecuteLocalUpdates:
localDataViewCommandBase = new LocalDataViewCommandExecuteLocalUpdates(dataviewCommand);
break;
case DataViewCommandType.InitDataControlViews:
localDataViewCommandBase = new InitDataControlLocalViewsCommand(dataviewCommand);
break;
case DataViewCommandType.OpenTransaction:
localDataViewCommandBase = new OpenTransactionLocalDataCommand(dataviewCommand);
break;
case DataViewCommandType.CloseTransaction:
localDataViewCommandBase = new CloseTransactionLocalDataViewCommandBase(dataviewCommand);
break;
case DataViewCommandType.AddUserRange:
localDataViewCommandBase = new AddUserRangeLocalDataCommand((AddUserRangeDataviewCommand)dataviewCommand);
break;
case DataViewCommandType.ResetUserRange:
localDataViewCommandBase = new ResetUserRangeLocalDataviewCommand(dataviewCommand);
break;
case DataViewCommandType.DbDisconnect:
localDataViewCommandBase = new LocalClientDbDisconnectCommand((ClientDbDisconnectCommand)dataviewCommand);
break;
case DataViewCommandType.AddUserLocate:
localDataViewCommandBase = new AddUserLocateLocalDataCommand((AddUserLocateDataViewCommand)dataviewCommand);
break;
case DataViewCommandType.AddUserSort:
localDataViewCommandBase = new AddUserSortLocalDataCommand((AddUserSortDataViewCommand)dataviewCommand);
break;
case DataViewCommandType.ResetUserLocate:
localDataViewCommandBase = new ResetUserLocateDataviewCommand(dataviewCommand);
break;
case DataViewCommandType.ResetUserSort:
localDataViewCommandBase = new ResetUserSortLocalDataviewCommand(dataviewCommand);
break;
case DataViewCommandType.DbDelete:
localDataViewCommandBase = new LocalClientDbDeleteCommand((ClientDbDeleteCommand)dataviewCommand);
break;
case DataViewCommandType.DataViewToDataSource:
localDataViewCommandBase = new LocalDataViewToDataSourceCommand((DataViewOutputCommand)dataviewCommand);
break;
case DataViewCommandType.FetchAll:
localDataViewCommandBase = new LocalDataViewFetcherCommand(dataviewCommand);
break;
case DataViewCommandType.ControlItemsRefresh:
localDataViewCommandBase = new LocalDataViewCommandControlItemsRefersh((ControlItemsRefreshCommand)dataviewCommand);
break;
case DataViewCommandType.SQLExecute:
localDataViewCommandBase = new SQLExecuteLocalDataViewCommand((SQLExecuteCommand)dataviewCommand);
break;
}
return(localDataViewCommandBase);
}
