/// <summary></summary>
/// <param name="datasetDefinition"></param>
public PpsDataSet(PpsDataSetDefinition datasetDefinition)
{
this.datasetDefinition = datasetDefinition;
this.undoSink = new PpsUndoManagerBase();
this.tables = new PpsDataTable[datasetDefinition.TableDefinitions.Count];
for (var i = 0; i < tables.Length; i++)
{
tables[i] = datasetDefinition.TableDefinitions[i].CreateDataTable(this);
}
this.tableCollection = new TableCollection(tables);
this.properties = new DynamicRuntimeTable(this);
this.eventSinks = new List <LuaTable>();
} // ctor
} // proc ClearInternal
/// <summary>This functions starts a section without any constraint and foreign key check.</summary>
/// <param name="disableUndoStack">Do not add to use undo stack. The undo-stack will be cut.</param>
/// <returns></returns>
public IDisposable BeginData(bool disableUndoStack = true)
{
if (deferredConstraintChecks != null)
{
throw new InvalidOperationException();
}
// detach undo sink
var tmp = disableUndoStack && undoSink != null ? undoSink : null;
if (tmp != null)
{
undoSink.ResetUndoStack();
undoSink = null;
}
// start deferred contraints
deferredConstraintChecks = new PpsDeferedConstraintCheck();
var events = DeferedEvents();
return(new DisposableScope(
() =>
{
// executes constaint checks
deferredConstraintChecks.ExecuteAll();
deferredConstraintChecks = null;
// run events
events?.Dispose();
// attach undo sink
if (tmp != null)
{
undoSink = tmp;
}
}));
} // func BeginData
} // proc InvokeEventHandler
#endregion
/// <summary>Registers an undo-manager.</summary>
/// <param name="undoSink"></param>
public void RegisterUndoSink(IPpsUndoSink undoSink)
{
this.undoSink = undoSink ?? new PpsUndoManagerBase();
} // proc RegisterUndoSink
