public override bool DragAndDrop_HandleDrop(Package p, int x, int y)
{
Point pos = CanvasPosToLocal(new Point(x, y));
Pos dir = GetDroppedTabDirection(pos.X, pos.Y);
DockedTabControl addTo = m_DockedTabControl;
if (dir == Pos.Fill && addTo == null)
{
return(false);
}
if (dir != Pos.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);
}
Invalidate();
return(true);
}
public void MoveTabsTo(DockedTabControl target)
{
var children = TabStrip.Children.ToArray(); // copy because collection will be modified
foreach (ControlBase child in children)
{
TabButton button = child as TabButton;
if (button == null)
{
continue;
}
target.AddPage(button);
}
Invalidate();
}
/// <summary>
/// Initializes an inner docked control for the specified position.
/// </summary>
/// <param name="pos">Dock position.</param>
protected virtual void SetupChildDock(Pos pos)
{
if (m_DockedTabControl == null)
{
m_DockedTabControl = new DockedTabControl(this);
m_DockedTabControl.TabRemoved += OnTabRemoved;
m_DockedTabControl.TabStripPosition = Pos.Bottom;
m_DockedTabControl.TitleBarVisible = true;
}
Dock = pos;
Pos sizeDir;
if (pos == Pos.Right)
{
sizeDir = Pos.Left;
}
else if (pos == Pos.Left)
{
sizeDir = Pos.Right;
}
else if (pos == Pos.Top)
{
sizeDir = Pos.Bottom;
}
else if (pos == Pos.Bottom)
{
sizeDir = Pos.Top;
}
else
{
throw new ArgumentException("Invalid dock", "pos");
}
if (m_Sizer != null)
{
m_Sizer.Dispose();
}
m_Sizer = new Resizer(this);
m_Sizer.Dock = sizeDir;
m_Sizer.ResizeDir = sizeDir;
m_Sizer.SetSize(2, 2);
}