public override bool DragAndDrop_HandleDrop(Package p, int x, int y)
{
Point pos = CanvasPosToLocal(new Point(x, y));
Dock dir = GetDroppedTabDirection(pos.X, pos.Y);
Invalidate();
DockedTabControl addTo = m_DockedTabControl;
if (dir == Dock.Fill && addTo == null)
{
return(false);
}
if (dir != Dock.Fill)
{
DockBase dock = GetChildDock(dir);
addTo = dock.m_DockedTabControl;
if (!m_DropFar)
{
dock.BringToFront();
}
else
{
dock.SendToBack();
}
}
if (p.Name == "TabButtonMove")
{
TabButton tabButton = DragAndDrop.SourceControl as TabButton;
if (null == tabButton)
{
return(false);
}
addTo.AddPage(tabButton);
}
if (p.Name == "TabWindowMove")
{
DockedTabControl tabControl = DragAndDrop.SourceControl as DockedTabControl;
if (null == tabControl)
{
return(false);
}
if (tabControl == addTo)
{
return(false);
}
tabControl.MoveTabsTo(addTo);
}
return(true);
}
/// <summary>
/// Gets an inner docked control for the specified position.
/// </summary>
/// <param name="pos"></param>
/// <returns></returns>
protected virtual DockBase GetChildDock(Dock pos)
{
// todo: verify
DockBase dock = null;
switch (pos)
{
case Dock.Left:
if (m_Left == null)
{
m_Left = new DockBase(this);
m_Left.Width = 200;
m_Left.SetupChildDock(pos);
}
dock = m_Left;
break;
case Dock.Right:
if (m_Right == null)
{
m_Right = new DockBase(this);
m_Right.Width = 200;
m_Right.SetupChildDock(pos);
}
dock = m_Right;
break;
case Dock.Top:
if (m_Top == null)
{
m_Top = new DockBase(this);
m_Top.Height = 200;
m_Top.SetupChildDock(pos);
}
dock = m_Top;
break;
case Dock.Bottom:
if (m_Bottom == null)
{
m_Bottom = new DockBase(this);
m_Bottom.Height = 200;
m_Bottom.SetupChildDock(pos);
}
dock = m_Bottom;
break;
}
if (dock != null)
{
dock.IsCollapsed = false;
}
return(dock);
}
protected virtual void DoRedundancyCheck()
{
if (!IsEmpty)
{
return;
}
DockBase pDockParent = Parent as DockBase;
if (null == pDockParent)
{
return;
}
pDockParent.OnRedundantChildDock(this);
}
protected virtual void OnRedundantChildDock(DockBase dock)
{
dock.IsCollapsed = true;
DoRedundancyCheck();
DoConsolidateCheck();
}