private CompositeCommand CreateRemoveShapeCommand(RadDiagramShapeBase shape)
{
if (shape == null)
{
return(null);
}
var compositeRemoveShapeCommand = new CompositeCommand(CommandNames.RemoveShapes);
var removeCommand = new UndoableDelegateCommand(CommandNames.RemoveShape, s => this.Diagram.RemoveShape(shape), s => this.Diagram.AddShape(shape));
var parentContainer = shape.ParentContainer;
if (parentContainer != null)
{
var execute = new Action <object>((o) => parentContainer.RemoveItem(shape));
var undo = new Action <object>((o) =>
{
if (!parentContainer.Items.Contains(shape))
{
parentContainer.AddItem(shape);
}
});
compositeRemoveShapeCommand.AddCommand(new UndoableDelegateCommand(CommandNames.RemoveItemFromContainer, execute, undo));
}
foreach (var changeSourceCommand in shape.OutgoingLinks.Union(shape.IncomingLinks).ToList().Select(connection => this.CreateRemoveConnectionCommand(connection)))
{
compositeRemoveShapeCommand.AddCommand(changeSourceCommand);
}
compositeRemoveShapeCommand.AddCommand(removeCommand);
var container = shape as RadDiagramContainerShape;
if (container != null)
{
for (int i = container.Items.Count - 1; i >= 0; i--)
{
var shapeToRemove = container.Items[i] as RadDiagramShapeBase;
if (shapeToRemove != null)
{
compositeRemoveShapeCommand.AddCommand(this.CreateRemoveShapeCommand(shapeToRemove));
}
else
{
var connection = container.Items[i] as IConnection;
if (connection != null && connection.Source == null && connection.Target == null)
{
compositeRemoveShapeCommand.AddCommand(this.CreateRemoveConnectionCommand(container.Items[i] as IConnection));
}
}
}
}
return(compositeRemoveShapeCommand);
}
void RemoveShapeConnectors(RadDiagramShapeBase shape)
{
List <IConnector> cs = new List <IConnector>();
foreach (var connen in shape.Connectors)
{
if (connen.Name != "Right")
{
cs.Add(connen);
}
}
foreach (var connen in cs)
{
shape.Connectors.Remove(connen);
}
}
void RemoveShapeConnectors(RadDiagramShapeBase shape)
{
List<IConnector> cs = new List<IConnector>();
foreach (var connen in shape.Connectors)
{
if (connen.Name != "Right")
{
cs.Add(connen);
}
}
foreach (var connen in cs)
{
shape.Connectors.Remove(connen);
}
}
private CompositeCommand CreateRemoveShapeCommand(RadDiagramShapeBase shape)
{
if (shape == null) return null;
var compositeRemoveShapeCommand = new CompositeCommand(CommandNames.RemoveShapes);
var removeCommand = new UndoableDelegateCommand(CommandNames.RemoveShape, s => this.Diagram.RemoveShape(shape), s => this.Diagram.AddShape(shape));
var parentContainer = shape.ParentContainer;
if (parentContainer != null)
{
var execute = new Action<object>((o) => parentContainer.RemoveItem(shape));
var undo = new Action<object>((o) =>
{
if (!parentContainer.Items.Contains(shape))
parentContainer.AddItem(shape);
});
compositeRemoveShapeCommand.AddCommand(new UndoableDelegateCommand(CommandNames.RemoveItemFromContainer, execute, undo));
}
foreach (var changeSourceCommand in shape.OutgoingLinks.Union(shape.IncomingLinks).ToList().Select(connection => this.CreateRemoveConnectionCommand(connection)))
{
compositeRemoveShapeCommand.AddCommand(changeSourceCommand);
}
compositeRemoveShapeCommand.AddCommand(removeCommand);
var container = shape as RadDiagramContainerShape;
if (container != null)
{
for (int i = container.Items.Count - 1; i >= 0; i--)
{
var shapeToRemove = container.Items[i] as RadDiagramShapeBase;
if (shapeToRemove != null)
compositeRemoveShapeCommand.AddCommand(this.CreateRemoveShapeCommand(shapeToRemove));
else
{
var connection = container.Items[i] as IConnection;
if (connection != null && connection.Source == null && connection.Target == null)
compositeRemoveShapeCommand.AddCommand(this.CreateRemoveConnectionCommand(container.Items[i] as IConnection));
}
}
}
return compositeRemoveShapeCommand;
}
private void RemoveContainer(MainContainerShapeBase container, RadDiagramShapeBase itemToRemove)
{
if (container == null || itemToRemove == null) return;
CompositeCommand command = new CompositeCommand("Remove horizontal container");
if (container.IsCollapsed)
{
command.AddCommand(new UndoableDelegateCommand("Update container",
new Action<object>((o) =>
{
container.IsCollapsed = false;
}),
new Action<object>((o) =>
{
container.IsCollapsed = true;
})));
}
command.AddCommand(this.CreateRemoveShapeCommand(itemToRemove));
if (container.IsCollapsed)
{
command.AddCommand(new UndoableDelegateCommand("Update container",
new Action<object>((o) =>
{
}),
new Action<object>((o) =>
{
})));
}
this.Diagram.UndoRedoService.ExecuteCommand(command);
}
