/*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
package com.sun.hotspot.igv.view;
import com.sun.hotspot.igv.view.widgets.SlotWidget;
import java.awt.Point;
import java.awt.Rectangle;
import org.netbeans.api.visual.anchor.Anchor;
import org.netbeans.api.visual.anchor.Anchor.Entry;
import org.netbeans.api.visual.anchor.Anchor.Result;
import org.netbeans.api.visual.widget.Widget;
/**
*
* @author Thomas Wuerthinger
*/
public class ConnectionAnchor extends Anchor {
public enum HorizontalAlignment {
Left,
Center,
Right
}
private HorizontalAlignment alignment;
public ConnectionAnchor(Widget widget) {
this(HorizontalAlignment.Center, widget);
}
public ConnectionAnchor(HorizontalAlignment alignment, Widget widget) {
super(widget);
this.alignment = alignment;
}
public Result compute(Entry entry) {
return new Result(getRelatedSceneLocation(), Anchor.DIRECTION_ANY);
}
@Override
public Point getRelatedSceneLocation() {
Point p = null;
Widget w = getRelatedWidget();
if (w != null) {
if (w instanceof SlotWidget) {
p = ((SlotWidget) w).getAnchorPosition();
} else {
Rectangle r = w.convertLocalToScene(w.getBounds());
int y = r.y + r.height / 2;
int x = r.x;
if (alignment == HorizontalAlignment.Center) {
x = r.x + r.width / 2;
} else if (alignment == HorizontalAlignment.Right) {
x = r.x + r.width;
}
p = new Point(x, y);
}
}
return p;
}
}