1/*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24package com.sun.hotspot.igv.controlflow;
25
26import java.awt.Point;
27import java.awt.event.MouseEvent;
28import org.netbeans.api.visual.action.SelectProvider;
29import org.netbeans.api.visual.action.WidgetAction;
30import org.netbeans.api.visual.widget.Widget;
31
32/**
33 * Selection action that acts on double-click only. Does not support aiming.
34 *
35 * @author Peter Hofer
36 */
37public class DoubleClickSelectAction extends WidgetAction.LockedAdapter {
38
39    private final SelectProvider provider;
40
41    public DoubleClickSelectAction(SelectProvider provider) {
42        this.provider = provider;
43    }
44
45    protected boolean isLocked() {
46        return false;
47    }
48
49    @Override
50    public State mousePressed(Widget widget, WidgetMouseEvent event) {
51        if (event.getClickCount() >= 2 && (event.getButton() == MouseEvent.BUTTON1 || event.getButton() == MouseEvent.BUTTON2)) {
52            boolean invert = (event.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) != 0;
53            Point point = event.getPoint();
54            if (provider.isSelectionAllowed(widget, point, invert)) {
55                provider.select(widget, point, invert);
56                return State.CHAIN_ONLY;
57            }
58        }
59        return State.REJECTED;
60    }
61}
62