/*******************************************************************************
* 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
******************************************************************************/
/*
* @(#)StickyRectangleConnector.java 2.0 2006-01-14
*
* Copyright (c) 1996-2006 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 java.io.IOException;
import org.jhotdraw.geom.Geom;
import org.jhotdraw.util.*;
import java.awt.*;
import java.awt.geom.*;
import org.jhotdraw.xml.DOMInput;
import org.jhotdraw.xml.DOMOutput;
/**
* A StickyRectangleConnector locates connection Points by
* choping the connection between the centers of the
* two figures at the display box.
* <p>
* The location of the connection Point2D.Double is computed once,
* when the user connects the figure. Moving the figure
* around will not change the location.
*
* @author Werner Randelshofer
* @version 2.0 2006-01-14 Changed to support double precison coordinates.
* <br>1.0 5. Februar 2004 Created.
*/
public class StickyRectangleConnector extends ChopRectangleConnector {
private float angle;
/** Creates a new instance.
* Only used for storable.
*/
public StickyRectangleConnector() {
}
public StickyRectangleConnector(Figure owner) {
super(owner);
}
public void draw(Graphics2D g) {
g.setColor(Color.blue);
g.setStroke(new BasicStroke());
g.draw(getBounds());
}
public void setAngle(float angle) {
this.angle = angle;
}
public double getAngle() {
return angle;
}
public StickyRectangleConnector(Figure owner, Point2D.Double p) {
super(owner);
this.angle = (float) Geom.pointToAngle(owner.getBounds(), p);
}
public void updateAnchor(Point2D.Double p) {
this.angle = (float) Geom.pointToAngle(getOwner().getBounds(), p);
}
public Point2D.Double getAnchor() {
return Geom.angleToPoint(getOwner().getBounds(), angle);
}
@Override protected Point2D.Double chop(Figure target, Point2D.Double from) {
return Geom.angleToPoint(target.getBounds(), angle);
}
public String getParameters() {
return Float.toString((float) (angle / Math.PI * 180));
}
public void read(DOMInput in) throws IOException {
super.read(in);
angle = (float) in.getAttribute("angle", 0.0);
}
public void write(DOMOutput out) throws IOException {
super.write(out);
out.addAttribute("angle", angle);
}
}