private void OnMouseUp( object sender, MouseEventArgs args )
{
if ( ( args.Button & m_ActionButton ) == 0 )
{
return;
}
if ( UsingPickAction )
{
if ( !m_PickAction.HasModifiedObjects )
{
object obj = m_LastCursorPick == null ? null : m_LastCursorPick.IntersectedObject;
if ( obj != null )
{
EditorState.Instance.CurrentSelection.ApplySelect( obj, m_AddToSelection );
}
}
else
{
EditorState.Instance.CurrentUndoStack.Push( m_PickAction );
}
m_PickAction = null;
}
else
{
object[] objects = null;
if ( ( m_SelectionStart.X == args.X ) && ( m_SelectionStart.Y == args.Y ) )
{
ILineIntersection pick = ( ( IPicker )sender ).FirstPick( args.X, args.Y, SelectionPickOptions );
if ( pick != null )
{
objects = new object[] { pick.IntersectedObject };
}
}
else
{
objects = ( ( IPicker )sender ).GetObjectsInBox( m_SelectionStart.X, m_SelectionStart.Y, args.X, args.Y );
}
// If any objects are modifiers, then
if ( ( objects != null ) && ( objects.Length > 0 ) )
{
EditorState.Instance.CurrentSelection.ApplySelect( objects, m_AddToSelection );
}
else if ( !m_AddToSelection )
{
EditorState.Instance.CurrentSelection.ClearSelection( );
}
}
}
/// <summary>
/// Returns true if the specified action is a move action
/// </summary>
/// <param name="action">Action to check</param>
/// <returns>true if action is a <see cref="MoveAction"/></returns>
public bool SupportsPickAction( IPickAction action )
{
return action is MoveAction;
}
private void OnMouseDown( object sender, MouseEventArgs args )
{
if ( ( args.Button & m_ActionButton ) == 0 )
{
return;
}
m_SelectionStart = args.Location;
if ( m_CursorPick == null )
{
m_PickAction = null;
}
else
{
IPickable pickable = m_CursorPick.IntersectedObject as IPickable;
if ( pickable != null )
{
SelectionSet selection = EditorState.Instance.CurrentSelection;
m_PickAction = pickable.CreatePickAction( m_CursorPick );
if ( m_PickAction != null )
{
m_PickAction.AddObjects( selection.Selection );
if ( !selection.IsSelected( pickable ) )
{
m_PickAction.AddObjects( new object[] { pickable } );
}
}
}
}
}