/*
* 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.controlflow;
import com.sun.hotspot.igv.data.InputGraph;
import com.sun.hotspot.igv.data.services.InputGraphProvider;
import java.awt.BorderLayout;
import java.io.Serializable;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import org.openide.ErrorManager;
import org.openide.util.Lookup;
import org.openide.util.LookupEvent;
import org.openide.util.LookupListener;
import org.openide.util.NbBundle;
import org.openide.util.Utilities;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
/**
*
* @author Thomas Wuerthinger
*/
final class ControlFlowTopComponent extends TopComponent implements LookupListener {
private static ControlFlowTopComponent instance;
private Lookup.Result result = null;
private static final String PREFERRED_ID = "ControlFlowTopComponent";
private ControlFlowScene scene;
private ControlFlowTopComponent() {
initComponents();
setName(NbBundle.getMessage(ControlFlowTopComponent.class, "CTL_ControlFlowTopComponent"));
setToolTipText(NbBundle.getMessage(ControlFlowTopComponent.class, "HINT_ControlFlowTopComponent"));
scene = new ControlFlowScene();
this.setLayout(new BorderLayout());
this.associateLookup(scene.getLookup());
JScrollPane panel = new JScrollPane(scene.createView());
this.add(panel, BorderLayout.CENTER);
}
@Override
public void requestFocus() {
super.requestFocus();
scene.getView().requestFocus();
}
@Override
public boolean requestFocusInWindow() {
super.requestFocusInWindow();
return scene.getView().requestFocusInWindow();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents() {
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(0, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(0, 300, Short.MAX_VALUE)
);
}// </editor-fold>//GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
// End of variables declaration//GEN-END:variables
/**
* Gets default instance. Do not use directly: reserved for *.settings files only,
* i.e. deserialization routines; otherwise you could get a non-deserialized instance.
* To obtain the singleton instance, use {@link findInstance}.
*/
public static synchronized ControlFlowTopComponent getDefault() {
if (instance == null) {
instance = new ControlFlowTopComponent();
}
return instance;
}
/**
* Obtain the ControlFlowTopComponent instance. Never call {@link #getDefault} directly!
*/
public static synchronized ControlFlowTopComponent findInstance() {
TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
if (win == null) {
ErrorManager.getDefault().log(ErrorManager.WARNING, "Cannot find ControlFlow component. It will not be located properly in the window system.");
return getDefault();
}
if (win instanceof ControlFlowTopComponent) {
return (ControlFlowTopComponent) win;
}
ErrorManager.getDefault().log(ErrorManager.WARNING, "There seem to be multiple components with the '" + PREFERRED_ID + "' ID. That is a potential source of errors and unexpected behavior.");
return getDefault();
}
@Override
public int getPersistenceType() {
return TopComponent.PERSISTENCE_ALWAYS;
}
@Override
public void componentOpened() {
Lookup.Template tpl = new Lookup.Template(Object.class);
result = Utilities.actionsGlobalContext().lookup(tpl);
result.addLookupListener(this);
}
@Override
public void componentClosed() {
result.removeLookupListener(this);
result = null;
}
public void resultChanged(LookupEvent lookupEvent) {
final InputGraphProvider p = Lookup.getDefault().lookup(InputGraphProvider.class);
if (p != null) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
InputGraph g = p.getGraph();
if (g != null) {
scene.setGraph(g);
}
}
});
}
}
@Override
public Object writeReplace() {
return new ResolvableHelper();
}
@Override
protected String preferredID() {
return PREFERRED_ID;
}
@Override
public void requestActive() {
scene.getView().requestFocusInWindow();
super.requestActive();
}
final static class ResolvableHelper implements Serializable {
private static final long serialVersionUID = 1L;
public Object readResolve() {
return ControlFlowTopComponent.getDefault();
}
}
}