/// <summary>
/// Provides a routine which merges a container with its parent (if appropriate).
/// The purpose of this logic is to remove internally created containers when they are not needed.
/// </summary>
protected internal virtual bool MergeWithParentContainer()
{
this.UpdateCollapsed();
//only internally created split containers are target of automatic clean-up
if (!this.isCleanUpTarget)
{
return(false);
}
if (this.panels.Count == 0)
{
this.Dispose();
return(true);
}
RadSplitContainer parentContainer = this.Parent as RadSplitContainer;
if (parentContainer == null)
{
return(false);
}
//we have one child panel, add it to our parent
if (this.panels.Count == 1)
{
//remember at which position are we and what size we have
int index = parentContainer.SplitPanels.IndexOf(this);
Size currSize = this.Size;
//detach ourselves from the parent
this.Parent = null;
SplitPanel child = this.panels[0];
child.Parent = null;
child.Size = currSize;
parentContainer.panels.Insert(index, child);
return(true);
}
//since we are the only child in our parent,
//we simply remove ourselves and add our children to our parent
if (parentContainer.SplitPanels.Count == 1)
{
//do not forget to get set orientation for the container we are merging with
parentContainer.Orientation = this.Orientation;
List <SplitPanel> children = ControlHelper.GetChildControls <SplitPanel>(this, false);
//remove ourselves from Parent's panels
this.Parent = null;
this.SplitPanels.Clear();
//add all our children to our parent
foreach (SplitPanel child in children)
{
parentContainer.SplitPanels.Add(child);
}
return(true);
}
//now check for equal orientation - we do not want nested containers with equal orientation
if (parentContainer.Orientation == this.orientation)
{
//get all our children and add them to the parent container
int index = parentContainer.SplitPanels.IndexOf(this);
List <SplitPanel> children = ControlHelper.GetChildControls <SplitPanel>(this, false);
this.Parent = null;
this.SplitPanels.Clear();
foreach (SplitPanel child in children)
{
parentContainer.SplitPanels.Insert(index++, child);
}
return(true);
}
return(false);
}