public void Unregister(IDragDropToTabWindow win)
{
if (_allWindows.Contains(win))
{
_allWindows.Remove(win);
}
}
public void Register(IDragDropToTabWindow win)
{
if (!_allWindows.Contains(win))
{
_allWindows.Add(win);
((Window)win).Closed += new EventHandler(DragWindowManager_Closed);
}
}
public void DragEnd(IDragDropToTabWindow dragWin)
{
if (dragWin == null)
{
return;
}
Win32Helper.Win32Point p = new Win32Helper.Win32Point();
if (!Win32Helper.GetCursorPos(ref p))
{
return;
}
Point dragWinPosition = new Point(p.X, p.Y);
foreach (IDragDropToTabWindow targetWin in _dragEnteredWindows)
{
if (targetWin.IsDragMouseOverTabZone(dragWinPosition))
{
System.Windows.Controls.ItemCollection items = ((ITabWindow)dragWin).TabItems;
for (int i = 0; i < items.Count; i++)
{
System.Windows.Controls.TabItem item = items[i] as System.Windows.Controls.TabItem;
if (item != null)
{
((ITabWindow)targetWin).AddTabItem(item.Header.ToString(), (System.Windows.Controls.Control)item.Content);
}
}
for (int i = items.Count; i > 0; i--)
{
System.Windows.Controls.TabItem item = items[i - 1] as System.Windows.Controls.TabItem;
if (item != null)
{
((ITabWindow)dragWin).RemoveTabItem(item);
}
}
}
targetWin.OnDrageLeave();
}
if (_dragEnteredWindows.Count > 0 && ((ITabWindow)dragWin).TabItems.Count == 0)
{
((Window)dragWin).Close();
}
_dragEnteredWindows.Clear();
}
public void DragMove(IDragDropToTabWindow dragWin)
{
if (dragWin == null)
{
return;
}
Win32Helper.Win32Point p = new Win32Helper.Win32Point();
if (!Win32Helper.GetCursorPos(ref p))
{
return;
}
Point dragWinPosition = new Point(p.X, p.Y);
foreach (IDragDropToTabWindow existWin in _allWindows)
{
if (dragWin.Equals(existWin))
{
continue;
}
if (existWin.IsDragMouseOver(dragWinPosition))
{
if (!_dragEnteredWindows.Contains(existWin))
{
_dragEnteredWindows.Add(existWin);
}
}
else
{
if (_dragEnteredWindows.Contains(existWin))
{
_dragEnteredWindows.Remove(existWin);
existWin.OnDrageLeave();
}
}
}
if (_dragEnteredWindows.Count > 0)
{
IntPtr dragWinHwnd = new System.Windows.Interop.WindowInteropHelper((Window)dragWin).Handle;
IntPtr dragBelowhwnd = Win32Helper.GetWindow(dragWinHwnd, Win32Helper.GW_HWNDNEXT);
IDragDropToTabWindow nextTopWin = null;
bool foundTabTarget = false;
for (IntPtr hWind = dragBelowhwnd; hWind != IntPtr.Zero; hWind = Win32Helper.GetWindow(hWind, Win32Helper.GW_HWNDNEXT))
{
foreach (Window enteredWin in _dragEnteredWindows)
{
IntPtr enterWinHwnd = new System.Windows.Interop.WindowInteropHelper(enteredWin).Handle;
if (hWind == enterWinHwnd)
{
nextTopWin = (IDragDropToTabWindow)enteredWin;
((IDragDropToTabWindow)enteredWin).OnDragEnter();
foundTabTarget = true;
break;
}
}
if (foundTabTarget)
{
break;
}
}
if (nextTopWin != null)
{
foreach (Window enteredWin in _dragEnteredWindows)
{
if (!nextTopWin.Equals(enteredWin))
{
((IDragDropToTabWindow)enteredWin).OnDrageLeave();
}
}
if (nextTopWin.IsDragMouseOverTabZone(dragWinPosition))
{
((Window)dragWin).Hide();
}
else
{
((Window)dragWin).Show();
}
}
}
else
{
if (!((Window)dragWin).IsVisible)
{
((Window)dragWin).Show();
}
}
}
