/* * @(#)DrawingEditor.java 5.2 * */ package CH.ifa.draw.framework; import java.awt.*; /** * DrawingEditor defines the interface for coordinating * the different objects that participate in a drawing editor. * *
*
* Mediator
* DrawingEditor is the mediator. It decouples the participants
* of a drawing editor.
*
* @see Tool
* @see DrawingView
* @see Drawing
*/
public interface DrawingEditor {
/**
* Gets the editor's drawing view.
*/
DrawingView view();
/**
* Gets the editor's drawing.
*/
Drawing drawing();
/**
* Gets the editor's current tool.
*/
Tool tool();
/**
* Informs the editor that a tool has done its interaction.
* This method can be used to switch back to the default tool.
*/
void toolDone();
/**
* Informs that the current selection has changed.
* Override this method to handle selection changes.
*/
void selectionChanged(DrawingView view);
/**
* Shows a status message in the editor's user interface
*/
void showStatus(String string);
}