/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
/*
* @(#)ConnectionStartHandle.java 3.0 2007-05-18
*
* Copyright (c) 1996-2007 by the original authors of JHotDraw
* and all its contributors.
* All rights reserved.
*
* The copyright of this software is owned by the authors and
* contributors of the JHotDraw project ("the copyright holders").
* You may not use, copy or modify this software, except in
* accordance with the license agreement you entered into with
* the copyright holders. For details see accompanying license terms.
*/
package org.jhotdraw.draw;
import org.jhotdraw.util.*;
import java.awt.*;
import java.awt.geom.*;
import java.util.*;
/**
* Handle to reconnect the
* start of a connection to another figure.
*
* @author Werner Randelshofer
* @version 3.0 2007-05-18 Changed due to changes in the canConnect methods
* of the ConnectionFigure interface. Shortened the name from
* ChangeConnectionStartHandle to ConnectionStartHandle.
* <br>2006-01-14 Changed to support double precision coordinates.
* <br>1.0 2003-12-01 Derived from JHotDraw 5.4b1.
*/
public class ConnectionStartHandle extends AbstractConnectionHandle {
/**
* Constructs the connection handle for the given start figure.
*/
public ConnectionStartHandle(ConnectionFigure owner) {
super(owner);
}
/**
* Sets the start of the connection.
*/
protected void connect(Connector c) {
getOwner().setStartConnector(c);
}
/**
* Disconnects the start figure.
*/
protected void disconnect() {
getOwner().setStartConnector(null);
}
protected Connector getTarget() {
return getOwner().getStartConnector();
}
/**
* Sets the start point of the connection.
*/
protected void setLocation(Point2D.Double p) {
getOwner().willChange();
getOwner().setStartPoint(p);
getOwner().changed();
}
/**
* Returns the start point of the connection.
*/
protected Point2D.Double getLocation() {
return getOwner().getStartPoint();
}
protected boolean canConnect(Connector existingEnd, Connector targetEnd) {
return getOwner().canConnect(targetEnd, existingEnd);
}
protected int getBezierNodeIndex() {
return 0;
}
}