DotNet 4.8.1 build of DotNetBar

PROMS/DotNetBar Source Code/TabControlDesigner.cs

@@ -0,0 +1,130 @@
+using System;
+using System.Windows.Forms;
+using System.Windows.Forms.Design;
+using System.Collections;
+using System.Drawing;
+using System.ComponentModel.Design;
+using System.ComponentModel;
+
+namespace DevComponents.DotNetBar
+{
+	/// <summary>
+	/// Summary description for TabControlDesigner.
+	/// </summary>
+	public class TabControlDesigner:TabStripDesigner
+	{
+		public TabControlDesigner()
+		{
+		}
+
+		protected override void CreateNewTab(object sender, EventArgs e)
+		{
+			IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
+			TabControl tabControl=this.Control as TabControl;
+			if(tabControl==null || dh==null)
+				return;
+
+			IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
+			if(change!=null)
+				change.OnComponentChanging(this.Component,null);
+
+			TabItem tab=dh.CreateComponent(typeof(TabItem)) as TabItem;
+			tab.Text=tab.Name;
+
+			TabControlPanel panel=dh.CreateComponent(typeof(TabControlPanel)) as TabControlPanel;
+			tabControl.ApplyDefaultPanelStyle(panel);
+			tab.AttachedControl=panel;
+			panel.TabItem=tab;
+			
+			tabControl.Tabs.Add(tab);
+			tabControl.Controls.Add(panel);
+			panel.Dock=DockStyle.Fill;
+			panel.SendToBack();
+			
+			tabControl.RecalcLayout();
+
+			if(change!=null)
+				change.OnComponentChanged(this.Component,null,null,null);
+
+			if(change!=null)
+			{
+				change.OnComponentChanging(panel,null);
+				change.OnComponentChanged(panel,null,null,null);
+			}
+		}
+
+		public override bool CanParent(Control c)
+		{
+			if(c is TabControlPanel)
+				return true;
+			return false;
+		}
+
+		protected override void InternalComponentRemoving(ComponentEventArgs e)
+		{
+			if(m_InternalRemove)
+				return;
+			IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
+			if(dh==null)
+				return;
+
+			if(e.Component is TabControlPanel && this.Control!=null && this.Control.Controls.Contains(e.Component as Control))
+			{
+				try
+				{
+					TabControlPanel panel=e.Component as TabControlPanel;
+					if(panel.TabItem!=null)
+					{
+						TabControl tabControl=this.Control as TabControl;
+						tabControl.Tabs.Remove(panel.TabItem);
+						dh.DestroyComponent(panel.TabItem);
+					}
+				}
+				finally
+				{
+					m_InternalRemove=false;
+				}
+			}
+			else if(e.Component is TabItem && this.Control!=null && ((TabControl)this.Control).Tabs.Contains(e.Component as TabItem))
+			{
+				try
+				{
+					TabItem item=e.Component as TabItem;
+					if(item.AttachedControl!=null && this.Control.Controls.Contains(item.AttachedControl))
+					{
+						TabControl tabControl=this.Control as TabControl;
+						tabControl.Controls.Remove(item.AttachedControl);
+						dh.DestroyComponent(item.AttachedControl);
+					}
+				}
+				finally
+				{
+					m_InternalRemove=false;
+				}
+			}
+		}
+
+		protected override TabStrip GetTabStrip()
+		{
+			if(this.Control==null || !(this.Control is TabControl))
+				return null;
+			return ((TabControl)this.Control).TabStrip;
+		}
+
+		public override System.Collections.ICollection AssociatedComponents
+		{
+			get
+			{
+				ArrayList c=new ArrayList(base.AssociatedComponents);
+				TabControl tabControl=this.Control as TabControl;
+				if(tabControl!=null)
+				{
+					foreach(TabItem tab in tabControl.Tabs)
+						c.Add(tab);
+				}
+
+				return c;
+			}
+		}
+	}
+}