public ConvertSheetToState()
 {
     stateViewer = new SpriteManagerStateViewer();
     sheetViewer = new SpriteSheetViewer();
 }
 public ReplaceSpriteSheetNames()
 {
     sheetViewer = new SpriteSheetViewer();
     mapViewer   = new SpriteMapViewer();
 }
 public SaveSpriteSheetNames()
 {
     viewer = new SpriteSheetViewer();
 }