/// <summary>
/// Invokes a drag event that accepts a valid position for docking.
/// </summary>
/// <returns>Returns the target docking container.</returns>
internal DockContainer ConfirmDock()
{
DockEventArgs e = new DockEventArgs(new Point(MousePosition.X, MousePosition.Y), this.dockType, true);
if (DragWindow != null)
DragWindow(this, e);
return e.Target;
}
/// <summary>
/// Invokes the drag event and adjusts the size and location if a valid docking position was received.
/// This method is only used by explicit drag windows (see flag).
/// </summary>
internal void MoveWindow()
{
if ((this.DragWindow != null) && isDragWindow)
{
dragTarget = null;
DockEventArgs e = new DockEventArgs(new Point(MousePosition.X, MousePosition.Y), this.dockType, false);
this.DragWindow(this, e);
dragTarget = e.Target;
if (dragTarget != null)
{
this.Size = dragTarget.Size;
if (dragTarget.Parent != null)
this.Location = dragTarget.RectangleToScreen(dragTarget.ClientRectangle).Location;
else
this.Location = dragTarget.Location;
}
}
}
/// <summary>
/// The DragWindow event handler for dockable windows.
/// Used to enable a DockWindow to send its position changes to this container.
/// Calls recursively all DragWindow event handlers of the child containers.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">An DockEventArgs that contains the docking data.</param>
public void DragWindow(object sender, DockEventArgs e)
{
try
{
// First, check if the given point is in the current tree.
if (!HitTest(e.Point))
return;
// Then, check if the container is dockable at all.
if (e.DockType == DockContainerType.None)
return;
// Then test all containers.
foreach (DockContainer c in containerList)
{
c.DragWindow(sender, e);
if (e.Target != null)
return;
}
if (containerList.Count != 0)
return;
// Then test itself.
DockWindow wnd = sender as DockWindow;
e.Target = GetTarget(wnd.Size, e.DockType, e.Point);
if ((e.Target != null) && (e.Release))
{
if (panelList.Contains(wnd.ControlContainer) && (panelList.Count == 1))
{
e.Target = this;
return;
}
// Dock the container, if needed.
if (!containerList.Contains(e.Target) && (e.Target != this))
{
// Create new container and fill it with own panels or containers.
DockContainer cont = new DockContainer();
cont.removeable = removeable;
removeable = true;
cont.DockBorder = dockBorder;
cont.DockType = dockType;
disableOnControlRemove = true;
while (containerList.Count > 0)
cont.Controls.Add(containerList[0] as DockContainer);
disableOnControlRemove = false;
containerList.Add(cont);
DockPanel temp = ActivePanel;
while (panelList.Count > 0)
cont.Controls.Add(panelList[0] as DockPanel);
cont.ActivePanel = temp;
this.Controls.Add(cont);
cont.Dock = DockStyle.Fill;
// Add the container to the list object.
containerList.Add(e.Target);
this.Controls.Add(e.Target);
}
// Add the panel.
e.Target.AddPanel(wnd, e.Point);
// Set focus.
this.TopLevelControl.BringToFront();
this.TopLevelControl.Invalidate(true);
e.Target.ActivePanel.Focus();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}