public override void Undo (UndoEngine engine)
{
IDesignerHost host = engine.GetRequiredService (typeof (IDesignerHost)) as IDesignerHost;
if (_added) {
// Console.WriteLine ("Component*Add*RemoveAction.Undo (" + _componentName + ")");
IComponent component = host.Container.Components[_componentName];
if (component != null) // the component might have been destroyed already
host.DestroyComponent (component);
_added = false;
} else {
// Console.WriteLine ("ComponentAdd*Remove*Action.Undo (" + _componentName + ")");
ComponentSerializationService serializationService = engine.GetRequiredService (
typeof (ComponentSerializationService)) as ComponentSerializationService;
serializationService.DeserializeTo (_serializedComponent, host.Container);
_added = true;
}
}
// Reminder: _component might no longer be a valid instance
// so one should request a new one.
//
public override void Undo (UndoEngine engine)
{
if (_beforeChange == null) {
// Console.WriteLine ("ComponentChangeAction.Undo: ERROR: UndoUnit is not complete.");
return;
}
// Console.WriteLine ("ComponentChangeAction.Undo (" + _componentName + "." + _member.Name + ")");
IDesignerHost host = (IDesignerHost)engine.GetRequiredService (typeof(IDesignerHost));
_component = host.Container.Components[_componentName];
ComponentSerializationService serializationService = engine.GetRequiredService (
typeof (ComponentSerializationService)) as ComponentSerializationService;
serializationService.DeserializeTo (_beforeChange, host.Container);
SerializationStore tmp = _beforeChange;
_beforeChange = _afterChange;
_afterChange = tmp;
}
internal virtual System.Windows.Forms.ToolStripItem MorphCurrentItem(System.Type t)
{
System.Windows.Forms.ToolStripItem component = null;
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
DesignerTransaction transaction = host.CreateTransaction(System.Design.SR.GetString("ToolStripMorphingItemTransaction"));
ToolStrip immediateParent = (ToolStrip)this.ImmediateParent;
if (immediateParent is ToolStripOverflow)
{
immediateParent = this.ToolStripItem.Owner;
}
ToolStripMenuItemDesigner designer = null;
int index = immediateParent.Items.IndexOf(this.ToolStripItem);
string name = this.ToolStripItem.Name;
System.Windows.Forms.ToolStripItem ownerItem = null;
if (this.ToolStripItem.IsOnDropDown)
{
ToolStripDropDown down = this.ImmediateParent as ToolStripDropDown;
if (down != null)
{
ownerItem = down.OwnerItem;
if (ownerItem != null)
{
designer = (ToolStripMenuItemDesigner)host.GetDesigner(ownerItem);
}
}
}
try
{
ToolStripDesigner._autoAddNewItems = false;
ComponentSerializationService service = this.GetService(typeof(ComponentSerializationService)) as ComponentSerializationService;
SerializationStore store = null;
if (service != null)
{
store = service.CreateStore();
service.Serialize(store, base.Component);
SerializationStore store2 = null;
ToolStripDropDownItem toolStripItem = this.ToolStripItem as ToolStripDropDownItem;
if ((toolStripItem != null) && typeof(ToolStripDropDownItem).IsAssignableFrom(t))
{
toolStripItem.HideDropDown();
store2 = service.CreateStore();
this.SerializeDropDownItems(toolStripItem, ref store2, service);
store2.Close();
}
store.Close();
IComponentChangeService service2 = (IComponentChangeService)this.GetService(typeof(IComponentChangeService));
if (service2 != null)
{
if (immediateParent.Site != null)
{
service2.OnComponentChanging(immediateParent, TypeDescriptor.GetProperties(immediateParent)["Items"]);
}
else if (ownerItem != null)
{
service2.OnComponentChanging(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"]);
service2.OnComponentChanged(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"], null, null);
}
}
this.FireComponentChanging(toolStripItem);
immediateParent.Items.Remove(this.ToolStripItem);
host.DestroyComponent(this.ToolStripItem);
System.Windows.Forms.ToolStripItem item4 = (System.Windows.Forms.ToolStripItem)host.CreateComponent(t, name);
if ((item4 is ToolStripDropDownItem) && (store2 != null))
{
service.Deserialize(store2);
}
service.DeserializeTo(store, host.Container, false, true);
component = (System.Windows.Forms.ToolStripItem)host.Container.Components[name];
if ((component.Image == null) && (component is ToolStripButton))
{
Image image = null;
try
{
image = new Bitmap(typeof(ToolStripButton), "blank.bmp");
}
catch (Exception exception)
{
if (System.Windows.Forms.ClientUtils.IsCriticalException(exception))
{
throw;
}
}
PropertyDescriptor descriptor = TypeDescriptor.GetProperties(component)["Image"];
if ((descriptor != null) && (image != null))
{
descriptor.SetValue(component, image);
}
PropertyDescriptor descriptor2 = TypeDescriptor.GetProperties(component)["DisplayStyle"];
if (descriptor2 != null)
{
descriptor2.SetValue(component, ToolStripItemDisplayStyle.Image);
}
PropertyDescriptor descriptor3 = TypeDescriptor.GetProperties(component)["ImageTransparentColor"];
if (descriptor3 != null)
{
descriptor3.SetValue(component, Color.Magenta);
}
}
immediateParent.Items.Insert(index, component);
if (service2 != null)
{
if (immediateParent.Site != null)
{
service2.OnComponentChanged(immediateParent, TypeDescriptor.GetProperties(immediateParent)["Items"], null, null);
}
else if (ownerItem != null)
{
service2.OnComponentChanging(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"]);
service2.OnComponentChanged(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"], null, null);
}
}
this.FireComponentChanged(toolStripItem);
if (component.IsOnDropDown && (designer != null))
{
designer.RemoveItemBodyGlyph(component);
designer.AddItemBodyGlyph(component);
}
ToolStripDesigner._autoAddNewItems = true;
if (component != null)
{
if (component is ToolStripSeparator)
{
immediateParent.PerformLayout();
}
BehaviorService service3 = (BehaviorService)component.Site.GetService(typeof(BehaviorService));
if (service3 != null)
{
service3.Invalidate();
}
ISelectionService service4 = (ISelectionService)component.Site.GetService(typeof(ISelectionService));
if (service4 != null)
{
service4.SetSelectedComponents(new object[] { component }, SelectionTypes.Replace);
}
}
}
return(component);
}
catch
{
host.Container.Add(this.ToolStripItem);
immediateParent.Items.Insert(index, this.ToolStripItem);
if (transaction != null)
{
transaction.Cancel();
transaction = null;
}
}
finally
{
if (transaction != null)
{
transaction.Commit();
transaction = null;
}
}
}
return(component);
}