public override void Initialize(IComponent component)
{
base.Initialize(component);
base.AutoResizeHandles = true;
ExtendedTabControl control = component as ExtendedTabControl;
ISelectionService service = (ISelectionService)this.GetService(typeof(ISelectionService));
if (service != null)
{
service.SelectionChanged += new EventHandler(this.OnSelectionChanged);
}
IComponentChangeService service2 = (IComponentChangeService)this.GetService(typeof(IComponentChangeService));
if (service2 != null)
{
service2.ComponentChanged += new ComponentChangedEventHandler(this.OnComponentChanged);
}
if (control != null)
{
control.SelectedIndexChanged += new EventHandler(this.OnTabSelectedIndexChanged);
control.GotFocus += new EventHandler(this.OnGotFocus);
control.RightToLeftLayoutChanged += new EventHandler(this.OnRightToLeftLayoutChanged);
control.ControlAdded += new ControlEventHandler(this.OnControlAdded);
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
ISelectionService service = (ISelectionService)this.GetService(typeof(ISelectionService));
if (service != null)
{
service.SelectionChanged -= new EventHandler(this.OnSelectionChanged);
}
IComponentChangeService service2 = (IComponentChangeService)this.GetService(typeof(IComponentChangeService));
if (service2 != null)
{
service2.ComponentChanged -= new ComponentChangedEventHandler(this.OnComponentChanged);
}
ExtendedTabControl control = this.Control as ExtendedTabControl;
if (control != null)
{
control.SelectedIndexChanged -= new EventHandler(this.OnTabSelectedIndexChanged);
control.GotFocus -= new EventHandler(this.OnGotFocus);
control.RightToLeftLayoutChanged -= new EventHandler(this.OnRightToLeftLayoutChanged);
control.ControlAdded -= new ControlEventHandler(this.OnControlAdded);
}
}
base.Dispose(disposing);
}
private void OnSelectionChanged(object sender, EventArgs e)
{
ISelectionService service = (ISelectionService)this.GetService(typeof(ISelectionService));
this.tabControlSelected = false;
if (service != null)
{
ICollection selectedComponents = service.GetSelectedComponents();
ExtendedTabControl component = (ExtendedTabControl)base.Component;
foreach (object obj2 in selectedComponents)
{
if (obj2 == component)
{
this.tabControlSelected = true;
}
ExtendedTabPage tabPageOfComponent = GetTabPageOfComponent(obj2);
if ((tabPageOfComponent != null) && (tabPageOfComponent.Parent == component))
{
this.tabControlSelected = false;
component.SelectedTab = tabPageOfComponent;
break;
}
}
}
}
protected override bool GetHitTest(Point point)
{
ExtendedTabControl control = (ExtendedTabControl)this.Control;
if (this.tabControlSelected)
{
Point pt = this.Control.PointToClient(point);
return(!control.DisplayRectangle.Contains(pt));
}
return(false);
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
ExtendedTabControl control = (ExtendedTabControl)this.Control;
if (control.SelectedTab == null)
{
throw new ArgumentException("Only ExtendedTabPages can be placed in ExtendedTabControls.");
}
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
ExtendedTabPageDesigner toInvoke = (ExtendedTabPageDesigner)service.GetDesigner(control.SelectedTab);
ParentControlDesigner.InvokeCreateTool(toInvoke, tool);
}
return(null);
}
private void OnRemove(object sender, EventArgs eevent)
{
ExtendedTabControl component = (ExtendedTabControl)base.Component;
if ((component != null) && (component.TabPages.Count != 0))
{
MemberDescriptor member = TypeDescriptor.GetProperties(base.Component)["Controls"];
ExtendedTabPage selectedTab = component.SelectedTab;
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
DesignerTransaction transaction = null;
try
{
try
{
transaction = service.CreateTransaction("TabControlRemoveTab");
base.RaiseComponentChanging(member);
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw exception;
}
return;
}
service.DestroyComponent(selectedTab);
base.RaiseComponentChanged(member, null, null);
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
}
}
private void OnTabSelectedIndexChanged(object sender, EventArgs e)
{
ISelectionService service = (ISelectionService)this.GetService(typeof(ISelectionService));
if (service != null)
{
ICollection selectedComponents = service.GetSelectedComponents();
ExtendedTabControl component = (ExtendedTabControl)base.Component;
bool flag = false;
foreach (object obj2 in selectedComponents)
{
ExtendedTabPage tabPageOfComponent = GetTabPageOfComponent(obj2);
if (((tabPageOfComponent != null) && (tabPageOfComponent.Parent == component)) && (tabPageOfComponent == component.SelectedTab))
{
flag = true;
break;
}
}
if (!flag)
{
service.SetSelectedComponents(new object[] { base.Component });
}
}
}
protected override void OnDragOver(DragEventArgs de)
{
if (this.forwardOnDrag)
{
ExtendedTabControl control = (ExtendedTabControl)this.Control;
Point pt = this.Control.PointToClient(new Point(de.X, de.Y));
if (!control.DisplayRectangle.Contains(pt))
{
de.Effect = DragDropEffects.None;
}
else
{
ExtendedTabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnDragOverInternal(de);
}
}
}
else
{
base.OnDragOver(de);
}
}
public override void InitializeNewComponent(IDictionary defaultValues)
{
base.InitializeNewComponent(defaultValues);
try
{
this.addingOnInitialize = true;
this.OnAdd(this, EventArgs.Empty);
this.OnAdd(this, EventArgs.Empty);
}
finally
{
this.addingOnInitialize = false;
}
MemberDescriptor member = TypeDescriptor.GetProperties(base.Component)["Controls"];
base.RaiseComponentChanging(member);
base.RaiseComponentChanged(member, null, null);
ExtendedTabControl component = (ExtendedTabControl)base.Component;
if (component != null)
{
component.SelectedIndex = 0;
}
}
private void OnAdd(object sender, EventArgs eevent)
{
ExtendedTabControl component = (ExtendedTabControl)base.Component;
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
DesignerTransaction transaction = null;
try
{
try
{
transaction = service.CreateTransaction("TabControlAddTab");
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw exception;
}
return;
}
MemberDescriptor member = TypeDescriptor.GetProperties(component)["Controls"];
ExtendedTabPage page = (ExtendedTabPage)service.CreateComponent(typeof(ExtendedTabPage));
if (!this.addingOnInitialize)
{
base.RaiseComponentChanging(member);
}
page.Padding = new Padding(3);
string str = null;
PropertyDescriptor descriptor2 = TypeDescriptor.GetProperties(page)["Name"];
if ((descriptor2 != null) && (descriptor2.PropertyType == typeof(string)))
{
str = (string)descriptor2.GetValue(page);
}
if (str != null)
{
PropertyDescriptor descriptor3 = TypeDescriptor.GetProperties(page)["Text"];
if (descriptor3 != null)
{
descriptor3.SetValue(page, str);
}
}
PropertyDescriptor descriptor4 = TypeDescriptor.GetProperties(page)["UseVisualStyleBackColor"];
if (((descriptor4 != null) && (descriptor4.PropertyType == typeof(bool))) && (!descriptor4.IsReadOnly && descriptor4.IsBrowsable))
{
descriptor4.SetValue(page, true);
}
component.Controls.Add(page);
component.SelectedIndex = component.TabCount - 1;
if (!this.addingOnInitialize)
{
base.RaiseComponentChanged(member, null, null);
}
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
}
