//=========================================================================================
/// <summary>
/// Unregisters a widgets's type name with the scene. After this has finished the object will
/// no longer be found when searching for objects with this type name.
/// </summary>
///
/// <param name="obj"> Object to unregister name for </param>
//=========================================================================================
private void UnregisterType( GuiWidget obj )
{
// Abort if null object:
if ( obj == null ) return;
// Do nothing if the object has no ID or is not in the gui:
if ( obj.Id == 0 || obj.ParentContainer != this || obj.ParentGui != this.m_gui ) return;
// Get the object's type name:
string typeName = obj.GetType().Name;
// Make sure the hash contains the type name
if ( m_types.ContainsKey( typeName ) )
{
// Get the hash for this type name:
Dictionary<int,GuiWidget> hash = m_types[typeName];
// See if this object exists in the hash
if ( hash.ContainsKey( obj.Id ) )
{
// Bingo: remove the object from the hash
hash.Remove( obj.Id );
// If the hash is now empty then remove it from the parent hash
if ( hash.Count == 0 ){ m_types.Remove( typeName ); }
}
}
}
//=========================================================================================
/// <summary>
/// Registers a widgets type name with the gui data so the object can later be found by
/// using this type name. Multiple objects can be registered with the same type.
/// </summary>
///
/// <param name="obj">Object to register type name for</param>
//=========================================================================================
private void RegisterType( GuiWidget obj )
{
// Abort if null object:
if ( obj == null ) return;
// Do nothing if the object has no ID or is not in the gui:
if ( obj.Id == 0 || obj.ParentContainer != this || obj.ParentGui != this.m_gui ) return;
// Get the object's type name:
string typeName = obj.GetType().Name;
// Create a hash for widgets with this type if not already in existance
if ( m_types.ContainsKey( typeName ) == false )
{
m_types.Add( typeName , new Dictionary<int,GuiWidget>() );
}
// Add the object into the hash:
m_types[typeName][obj.Id] = obj;
}