// takes a LSP content item and splits it into a new LSP, combined with the new window
private void SplitCell(WindowBase windowToDrop, EdgeDockingDropZone dropZone)
{
if (!(dropZone.Data is ControlBase)) return;
//orphan the window being dropped
windowToDrop.ContainerContext.RemoveChild(windowToDrop);
if (windowToDrop is IOrientingControl)
{
((IOrientingControl)windowToDrop).Orientation = Orientation ==
LUCAStackPanelOrientation.Horizontal
? System.Windows.Controls.Orientation.Horizontal
: System.Windows.Controls.Orientation.Vertical;
}
var targetWindow = dropZone.Data as ControlBase;
if (Children.Count <= 1)
{
//flip the orientation
Orientation = Orientation == LUCAStackPanelOrientation.Horizontal
? LUCAStackPanelOrientation.Vertical
: LUCAStackPanelOrientation.Horizontal;
UpdateLastKnownDimensions(this, windowToDrop);
switch (dropZone.InsertType)
{
case InsertType.Left:
case InsertType.Top:
//the dropped window is first in the new stack
InsertChild(0, windowToDrop);
break;
case InsertType.Right:
case InsertType.Bottom:
//the target window is first in the new stack
AddChild(windowToDrop);
break;
default:
throw new LUCAControlException("Incorrect Insert Type");
}
windowToDrop.ContainerContext = this;
}
else
{
//capture the position of the target window
var index = Children.IndexOf(targetWindow);
var newLsp = new LUCAStackPanel
{
Orientation = Orientation == LUCAStackPanelOrientation.Horizontal
? LUCAStackPanelOrientation.Vertical
: LUCAStackPanelOrientation.Horizontal
};
UpdateLastKnownDimensions(newLsp, windowToDrop);
//insert the new LSP into the parent LSP
InsertChild(index, newLsp);
//orphan the targetWindow
RemoveChild(targetWindow);
switch (dropZone.InsertType)
{
case InsertType.Left:
case InsertType.Top:
//the dropped window is first in the new stack
newLsp.AddChild(windowToDrop);
newLsp.AddChild(targetWindow);
break;
case InsertType.Right:
case InsertType.Bottom:
//the target window is first in the new stack
newLsp.AddChild(targetWindow);
newLsp.AddChild(windowToDrop);
break;
default:
throw new LUCAControlException("Incorrect Insert Type");
}
//assign parent relationships
targetWindow.ContainerContext = newLsp;
windowToDrop.ContainerContext = newLsp;
}
}
// takes the LSP and moves it into a new parent container LSP which is split with the window being dropped
private void Split(WindowBase windowToDrop, EdgeDockingDropZone dropZone)
{
// remove the window from it's current parent container
windowToDrop.ContainerContext.RemoveChild(windowToDrop);
UpdateLastKnownDimensions(this, windowToDrop);
if (windowToDrop is IOrientingControl)
{
((IOrientingControl)windowToDrop).Orientation = Orientation ==
LUCAStackPanelOrientation.Horizontal
? System.Windows.Controls.Orientation.Horizontal
: System.Windows.Controls.Orientation.Vertical;
}
if (Children.Count <= 1)
{
switch (dropZone.InsertType)
{
case InsertType.Left:
case InsertType.Top:
//the dropped window is first in the new stack
InsertChild(0, windowToDrop);
break;
case InsertType.Right:
case InsertType.Bottom:
//the target window is first in the new stack
AddChild(windowToDrop);
break;
default:
throw new LUCAControlException("Incorrect Insert Type");
}
windowToDrop.ContainerContext = this;
}
else
{
// capture the current index of this LSP
var ix = ContainerContext.Children.IndexOf(this);
// store the parent container for this LUCAStackPanel
var plc = ContainerContext;
// remove this LUCAStackPanel from it's parent container so we can remerge it later into a new LUCAStackPanel
ContainerContext.RemoveChild(this);
// create a new LUCAStackPanel for the window and this LSP. Toggling the orientation from this LSP.
var newLsp = new LUCAStackPanel
{
Orientation = Orientation == LUCAStackPanelOrientation.Horizontal
? LUCAStackPanelOrientation.Vertical
: LUCAStackPanelOrientation.Horizontal,
};
UpdateLastKnownDimensions(newLsp, windowToDrop);
//add the new LSP to the original parent container
plc.InsertChild(ix, newLsp);
//get the order correct
if (dropZone.InsertType == InsertType.Top || dropZone.InsertType == InsertType.Left)
{
newLsp.AddChild(windowToDrop);
newLsp.AddChild(this);
}
else
{
newLsp.AddChild(this);
newLsp.AddChild(windowToDrop);
}
//assign parent relationships
ContainerContext = newLsp;
windowToDrop.ContainerContext = newLsp;
//if this LSP has only 1 child, then Rebuild the layout so that it is actually removed and replaced by its' child.
if (Children.Count == 1) RebuildGridLayout();
}
}