/// <summary>
/// Handler called every time a block state is changed in the controller.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
private protected virtual void OnBlockStateChanged(WriteableChangeBlockOperation operation)
{
IWriteableBlockState BlockState = operation.BlockState;
Debug.Assert(BlockState != null);
Debug.Assert(BlockStateViewTable.ContainsKey(BlockState));
}
private protected virtual void UndoChangeReplication(IWriteableOperation operation)
{
WriteableChangeBlockOperation ChangeBlockOperation = (WriteableChangeBlockOperation)operation;
ChangeBlockOperation = ChangeBlockOperation.ToInverseChange();
ExecuteChangeReplication(ChangeBlockOperation);
}
private protected virtual void ExecuteChangeReplication(WriteableChangeBlockOperation operation)
{
Node ParentNode = operation.ParentNode;
string PropertyName = operation.PropertyName;
IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex> Inner = GetInner(ParentNode, PropertyName) as IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex>;
Inner.ChangeReplication(operation);
NotifyBlockStateChanged(operation);
}
/// <summary>
/// Changes the replication state of a block.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void ChangeReplication(WriteableChangeBlockOperation operation)
{
ReplicationStatus Replication = operation.Replication;
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
IWriteableBlockState BlockState = (IWriteableBlockState)BlockStateList[BlockIndex];
NodeTreeHelperBlockList.SetReplication(BlockState.ChildBlock, Replication);
operation.Update(BlockState);
}
/// <summary>
/// Changes the replication state of a block.
/// </summary>
/// <param name="inner">The inner where the blok is changed.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
/// <param name="replication">New replication value.</param>
public virtual void ChangeReplication(IWriteableBlockListInner inner, int blockIndex, ReplicationStatus replication)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Debug.Assert(blockIndex >= 0 && blockIndex < Inner.BlockStateList.Count);
System.Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoChangeReplication(operation);
System.Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => UndoChangeReplication(operation);
WriteableChangeBlockOperation Operation = CreateChangeBlockOperation(Inner.Owner.Node, Inner.PropertyName, blockIndex, replication, HandlerRedo, HandlerUndo, isNested: false);
Operation.Redo();
SetLastOperation(Operation);
CheckInvariant();
}
private protected virtual void NotifyBlockStateChanged(WriteableChangeBlockOperation operation)
{
BlockStateChangedHandler?.Invoke(operation);
}
private protected virtual void RedoChangeReplication(IWriteableOperation operation)
{
WriteableChangeBlockOperation ChangeBlockOperation = (WriteableChangeBlockOperation)operation;
ExecuteChangeReplication(ChangeBlockOperation);
}
