398 lines
11 KiB
C#
398 lines
11 KiB
C#
using System;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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using System.Collections;
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using System.Drawing;
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using System.ComponentModel.Design;
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using System.ComponentModel;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Summary description for TabStripDesigner.
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/// </summary>
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public class TabStripDesigner:ParentControlDesigner
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{
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public TabStripDesigner()
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{
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}
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public override void Initialize(IComponent component)
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{
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base.Initialize(component);
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if(!component.Site.DesignMode)
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return;
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ISelectionService ss =(ISelectionService)GetService(typeof(ISelectionService));
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if(ss!=null)
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ss.SelectionChanged+=new EventHandler(OnSelectionChanged);
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// If our component is removed we need to clean-up
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IComponentChangeService cc=(IComponentChangeService)GetService(typeof(IComponentChangeService));
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if(cc!=null)
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cc.ComponentRemoving+=new ComponentEventHandler(this.OnComponentRemoving);
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip!=null)
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tabStrip.TabMoved+=new TabStrip.TabMovedEventHandler(this.TabMoved);
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}
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protected override void Dispose(bool disposing)
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{
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ISelectionService ss =(ISelectionService)GetService(typeof(ISelectionService));
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if(ss!=null)
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ss.SelectionChanged-=new EventHandler(OnSelectionChanged);
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// If our component is removed we need to clean-up
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IComponentChangeService cc=(IComponentChangeService)GetService(typeof(IComponentChangeService));
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if(cc!=null)
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cc.ComponentRemoving-=new ComponentEventHandler(this.OnComponentRemoving);
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base.Dispose(disposing);
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}
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public override DesignerVerbCollection Verbs
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{
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get
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{
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DesignerVerb[] verbs;
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verbs = new DesignerVerb[]
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{
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new DesignerVerb("Create New Tab", new EventHandler(CreateNewTab)),
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};
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return new DesignerVerbCollection(verbs);
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}
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}
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protected virtual void CreateNewTab(object sender, EventArgs e)
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{
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IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
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TabStrip tabStrip=this.Control as TabStrip;
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if(tabStrip==null || dh==null)
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return;
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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change.OnComponentChanging(this.Component,null);
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TabItem tab=dh.CreateComponent(typeof(TabItem)) as TabItem;
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tab.Text=tab.Name;
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tabStrip.Tabs.Add(tab);
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if(change!=null)
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change.OnComponentChanged(this.Component,null,null,null);
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}
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private void TabMoved(object sender, TabStripTabMovedEventArgs e)
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{
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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{
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change.OnComponentChanging(this.Control,null);
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change.OnComponentChanged(this.Control,null,null,null);
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}
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}
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private void OnSelectionChanged(object sender, EventArgs e)
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed)
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return;
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ISelectionService ss = (ISelectionService)sender;
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if(ss!=null && ss.PrimarySelection!=this.Control)
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{
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if(ss.PrimarySelection is TabItem && tabStrip.Tabs.Contains(ss.PrimarySelection as TabItem))
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{
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tabStrip.DesignTimeSelection=ss.PrimarySelection as TabItem;
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return;
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}
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}
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tabStrip.DesignTimeSelection=null;
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}
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protected bool m_InternalRemove=false;
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private void OnComponentRemoving(object sender,ComponentEventArgs e)
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{
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InternalComponentRemoving(e);
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}
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protected virtual void InternalComponentRemoving(ComponentEventArgs e)
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{
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if(m_InternalRemove)
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return;
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IDesignerHost dh=(IDesignerHost)GetService(typeof(IDesignerHost));
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if(dh==null)
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return;
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed)
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return;
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if(e.Component is TabItem && this.Control!=null && tabStrip.Tabs.Contains(e.Component as TabItem))
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{
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try
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{
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TabItem item=e.Component as TabItem;
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if(item.AttachedControl!=null && this.Control.Controls.Contains(item.AttachedControl))
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{
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this.Control.Controls.Remove(item.AttachedControl);
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dh.DestroyComponent(item.AttachedControl);
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}
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tabStrip.Tabs.Remove(item);
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tabStrip.RecalcSize();
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tabStrip.Refresh();
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}
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finally
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{
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m_InternalRemove=false;
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}
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}
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}
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protected virtual TabStrip GetTabStrip()
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{
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return this.Control as TabStrip;
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}
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#if FRAMEWORK20
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public override void InitializeNewComponent(IDictionary defaultValues)
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{
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base.InitializeNewComponent(defaultValues);
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SetDesignTimeDefaults();
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}
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#else
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public override void OnSetComponentDefaults()
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{
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base.OnSetComponentDefaults();
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SetDesignTimeDefaults();
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}
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#endif
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private void SetDesignTimeDefaults()
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{
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if (this.Component == null || this.Component.Site == null || !this.Component.Site.DesignMode)
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return;
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this.CreateNewTab(null, null);
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}
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public override System.Collections.ICollection AssociatedComponents
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{
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get
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{
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ArrayList c=new ArrayList(base.AssociatedComponents);
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip!=null)
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{
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foreach(TabItem tab in tabStrip.Tabs)
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c.Add(tab);
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}
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return c;
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}
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}
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#region WndProc Support
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/// <summary>
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/// Selection support for items on container.
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/// </summary>
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private TabItem m_SelectItem=null;
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protected override void WndProc(ref Message m)
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{
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System.Windows.Forms.Control ctrl=this.Control;
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if(ctrl==null || ctrl.IsDisposed)
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{
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base.WndProc(ref m);
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return;
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}
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switch(m.Msg)
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{
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case NativeFunctions.WM_LBUTTONDOWN:
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case NativeFunctions.WM_RBUTTONDOWN:
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{
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if(OnMouseDown(ref m))
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return;
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break;
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}
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case NativeFunctions.WM_RBUTTONUP:
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case NativeFunctions.WM_LBUTTONUP:
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{
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if(OnMouseUp(ref m))
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return;
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break;
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}
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case NativeFunctions.WM_MOUSEMOVE:
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{
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if(OnMouseMove(ref m))
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return;
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break;
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}
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case NativeFunctions.WM_MOUSELEAVE:
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{
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if(OnMouseLeave(ref m))
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return;
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break;
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}
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case NativeFunctions.WM_USER+101:
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{
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if(OnProcessPendingSelection(ref m))
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return;
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break;
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}
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}
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base.WndProc(ref m);
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}
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private bool m_IgnoreMouseUp=false;
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private bool m_SelectTabControl=false;
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protected virtual bool OnMouseDown(ref Message m)
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed || this.Control.IsDisposed)
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return false;
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Point pos=tabStrip.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs(MouseButtons.Left,0,pos.X,pos.Y,0);
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TabItem oldSelected=tabStrip.SelectedTab;
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tabStrip.InternalOnMouseDown(e);
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ISelectionService selection = (ISelectionService) this.GetService(typeof(ISelectionService));
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TabItem selected=null;
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if(selection!=null && selection.PrimarySelection is TabItem)
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selected=selection.PrimarySelection as TabItem;
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if(tabStrip.SelectedTab!=null && selected!=tabStrip.SelectedTab && tabStrip.HitTest(e.X,e.Y)!=null)
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{
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ArrayList arr=new ArrayList(1);
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arr.Add(tabStrip.SelectedTab);
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#if FRAMEWORK20
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selection.SetSelectedComponents(arr, SelectionTypes.Primary);
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#else
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selection.SetSelectedComponents(arr,SelectionTypes.MouseDown);
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#endif
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//m_SelectItem=tabStrip.SelectedTab;
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//NativeFunctions.PostMessage(m.HWnd.ToInt32(),NativeFunctions.WM_USER+101,0,0);
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m_IgnoreMouseUp=true;
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if(m.Msg==NativeFunctions.WM_RBUTTONDOWN)
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this.OnContextMenu(System.Windows.Forms.Control.MousePosition.X,System.Windows.Forms.Control.MousePosition.Y);
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return true;
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}
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else if(tabStrip.SelectedTab==oldSelected)
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{
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if(tabStrip.HitTest(e.X,e.Y)!=null)
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{
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if(m.Msg==NativeFunctions.WM_RBUTTONDOWN)
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this.OnContextMenu(System.Windows.Forms.Control.MousePosition.X,System.Windows.Forms.Control.MousePosition.Y);
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return true;
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}
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}
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return false;
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}
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protected virtual bool OnMouseUp(ref Message m)
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed || this.Control.IsDisposed)
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return false;
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Point pos=tabStrip.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs(MouseButtons.Left,0,pos.X,pos.Y,0);
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tabStrip.InternalOnMouseUp(e);
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if(m_IgnoreMouseUp)
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{
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m_IgnoreMouseUp=false;
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return true;
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}
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if(m_SelectTabControl)
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{
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m_SelectTabControl=false;
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ISelectionService selection = (ISelectionService) this.GetService(typeof(ISelectionService));
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if(selection!=null && selection.PrimarySelection!=this.Control && !(selection.PrimarySelection.GetType() == this.Control.GetType()))
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{
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ArrayList arr=new ArrayList(1);
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arr.Add(this.Control);
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#if FRAMEWORK20
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selection.SetSelectedComponents(arr, SelectionTypes.Primary);
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#else
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selection.SetSelectedComponents(arr,SelectionTypes.Click);
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#endif
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}
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}
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return false;
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}
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protected virtual bool OnMouseMove(ref Message m)
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed || this.Control.IsDisposed)
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return false;
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Point pos=tabStrip.PointToClient(System.Windows.Forms.Control.MousePosition);
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MouseEventArgs e=new MouseEventArgs((m.WParam.ToInt32()==1?MouseButtons.Left:MouseButtons.None),0,pos.X,pos.Y,0);
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tabStrip.InternalOnMouseMove(e);
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if(tabStrip.DisplayRectangle.Contains(pos))
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return true;
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return false;
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}
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protected virtual bool OnMouseLeave(ref Message m)
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed || this.Control.IsDisposed)
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return false;
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tabStrip.InternalOnMouseLeave(new EventArgs());
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return false;
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}
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protected virtual bool OnProcessPendingSelection(ref Message m)
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{
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return ProcessPendingSelection();
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}
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protected virtual bool ProcessPendingSelection()
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{
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TabStrip tabStrip=this.GetTabStrip();
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if(tabStrip==null || tabStrip.IsDisposed || this.Control.IsDisposed)
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return false;
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if(m_SelectItem!=null)
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{
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tabStrip.DesignTimeSelection=m_SelectItem;
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//Point pos=tabStrip.PointToClient(System.Windows.Forms.Control.MousePosition);
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ISelectionService selection = (ISelectionService) this.GetService(typeof(ISelectionService));
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if(selection==null)
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return false;
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ArrayList arr=new ArrayList(1);
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arr.Add(m_SelectItem);
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#if FRAMEWORK20
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selection.SetSelectedComponents(arr, SelectionTypes.Primary);
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#else
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selection.SetSelectedComponents(arr,SelectionTypes.Click);
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#endif
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m_SelectItem =null;
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IComponentChangeService change=this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
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if(change!=null)
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{
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change.OnComponentChanging(this.Control,null);
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change.OnComponentChanged(this.Control,null,null,null);
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}
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return true;
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}
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return false;
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}
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#endregion
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}
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}
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