/*
* @(#)ChangeConnectionEndHandle.java
*
* Project: JHotdraw - a GUI framework for technical drawings
* http://www.jhotdraw.org
* http://jhotdraw.sourceforge.net
* Copyright: ? by the original author(s) and all contributors
* License: Lesser GNU Public License (LGPL)
* http://www.opensource.org/licenses/lgpl-license.html
*/
package research;
import research.connector.Connector;
import java.awt.Point;
/**
* A handle to reconnect the end point of
* a connection to another figure.
*
* @version <$CURRENT_VERSION$>
*/
public class ChangeConnectionEndHandle extends ChangeConnectionHandle {
/**
* Constructs the connection handle.
*/
public ChangeConnectionEndHandle(Figure owner) {
super(owner);
}
/**
* Gets the end figure of a connection.
*/
protected Connector target() {
return getConnection().getEndConnector();
}
/**
* Disconnects the end figure.
*/
protected void disconnect() {
getConnection().disconnectEnd();
}
/**
* Sets the end of the connection.
*/
protected void connect(Connector c) {
getConnection().connectEnd(c);
}
/**
* Sets the end point of the connection.
*/
protected void setPoint(int x, int y) {
getConnection().endPoint(x, y);
}
/**
* Returns the end point of the connection.
*/
public Point locate() {
return getConnection().endPoint();
}
/**
* Factory method for undo activity
*/
protected Undoable createUndoActivity(DrawingView newView) {
return new UndoActivity(newView);
}
public static class UndoActivity extends ChangeConnectionHandle.UndoActivity {
public UndoActivity(DrawingView newView) {
super(newView);
}
protected Connector replaceConnector(ConnectionFigure connection) {
Connector tempEndConnector = connection.getEndConnector();
connection.connectEnd(getOldConnector());
return tempEndConnector;
}
}
}