/// <summary>
/// Moves a display object (source) to before another display object (target)
/// </summary>
/// <param name="source"></param>
/// <param name="target">Specify null to move to end</param>
public void MoveToBefore(IRenderable source, IRenderable target)
{
int sourceIndex = IndexOf(source);
int targetIndex = -2;
if (target != null)
{
targetIndex = IndexOf(target);
}
if (sourceIndex == -1 || targetIndex == -1 || sourceIndex == targetIndex)
{
return;
}
DisplayObjectEntry temp = displayObjects[sourceIndex];
displayObjects.RemoveAt(sourceIndex);
if (targetIndex == -2)
{
displayObjects.Add(temp);
}
else if (targetIndex < sourceIndex)
{
displayObjects.Insert(targetIndex, temp);
}
else
{
displayObjects.Insert(targetIndex - 1, temp);
}
OnZOrderChanged();
}
public IRenderable this[string name] {
get {
DisplayObjectEntry entry = displayObjects.Find(delegate(DisplayObjectEntry ent) { return(ent.displayObject.Name == name); });
if (entry != null)
{
return(entry.displayObject);
}
else
{
return(null);
}
}
}
public void MoveToBottom(IRenderable source)
{
int sourceIndex = IndexOf(source);
if (sourceIndex != -1)
{
DisplayObjectEntry temp = displayObjects[sourceIndex];
displayObjects.RemoveAt(sourceIndex);
displayObjects.Insert(0, temp);
OnZOrderChanged();
}
}
public void MoveUp(IRenderable displayObject)
{
int index = IndexOf(displayObject);
if (index != -1 && index < displayObjects.Count - 1)
{
// swap the entries
DisplayObjectEntry temp = displayObjects[index];
displayObjects[index] = displayObjects[index + 1];
displayObjects[index + 1] = temp;
OnZOrderChanged();
}
}
public void MoveDown(IRenderable displayObject)
{
// find the entry
int index = IndexOf(displayObject);
if (index > 0)
{
// swap the entries
DisplayObjectEntry temp = displayObjects[index];
displayObjects[index] = displayObjects[index - 1];
displayObjects[index - 1] = temp;
OnZOrderChanged();
}
}
