// implements CellAreaLayoutManager
// ------------------------------------------------------------------------
public virtual void AddLayoutComponent(CellAreaComponent comp
, object constraint)
{
string name = (string)constraint;
if (name == null)
{
name = CENTER;
}
if (CENTER.Equals(name))
{
center = comp;
}
else
{
if (NORTH.Equals(name))
{
north = comp;
}
else
{
if (SOUTH.Equals(name))
{
south = comp;
}
else
{
if (EAST.Equals(name))
{
east = comp;
}
else
{
if (WEST.Equals(name))
{
west = comp;
}
else
{
throw new System.ArgumentException("cannot add to layout: unknown constraint: " +
name);
}
}
}
}
}
}
public virtual void Add(CellAreaComponent comp, object constraint
)
{
if (comp == null)
{
throw new System.ArgumentException();
}
if (comp.GetParent() != null)
{
// remove from old parent first
comp.GetParent().Remove(comp);
}
comp._inv_setParent(this);
this.components.Add(comp);
if (layoutMgr != null)
{
layoutMgr.AddLayoutComponent(comp, constraint);
}
}
public virtual void RemoveLayoutComponent(CellAreaComponent comp)
{
}
// ------------------------------------------------------------------------
public virtual void AddLayoutComponent(CellAreaComponent comp, object constraint)
{
}
public virtual void Add(CellAreaComponent comp)
{
Add(comp, null);
}
// fireContainerEvent(ContainerEvent.COMPONENT_ADDED, this, comp);
public virtual void Remove(CellAreaComponent comp)
{
if (comp == null)
{
throw new System.ArgumentException();
}
int index = components.IndexOf(comp);
if (index == -1)
{
throw new System.ArgumentException("can not remove component: component not found as child!"
);
}
if (layoutMgr != null)
{
layoutMgr.RemoveLayoutComponent(comp);
}
}
public virtual void RemoveLayoutComponent(CellAreaComponent
comp)
{
if (comp == center)
{
center = null;
}
else
{
if (comp == north)
{
north = null;
}
else
{
if (comp == south)
{
south = null;
}
else
{
if (comp == east)
{
east = null;
}
else
{
if (comp == west)
{
west = null;
}
}
}
}
}
}