/*
* Copyright (c) 2008, 2015, 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.bytecodes;
import com.sun.hotspot.igv.data.Group;
import com.sun.hotspot.igv.data.InputGraph;
import com.sun.hotspot.igv.data.services.InputGraphProvider;
import com.sun.hotspot.igv.util.LookupHistory;
import java.awt.BorderLayout;
import java.io.Serializable;
import javax.swing.SwingUtilities;
import org.openide.ErrorManager;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.ExplorerUtils;
import org.openide.explorer.view.BeanTreeView;
import org.openide.util.*;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
/**
* @author Thomas Wuerthinger
*/
final class BytecodeViewTopComponent extends TopComponent implements ExplorerManager.Provider, LookupListener {
private static BytecodeViewTopComponent instance;
private static final String PREFERRED_ID = "BytecodeViewTopComponent";
private ExplorerManager manager;
private BeanTreeView treeView;
private Lookup.Result result = null;
private MethodNode rootNode;
private BytecodeViewTopComponent() {
initComponents();
setName(NbBundle.getMessage(BytecodeViewTopComponent.class, "CTL_BytecodeViewTopComponent"));
setToolTipText(NbBundle.getMessage(BytecodeViewTopComponent.class, "HINT_BytecodeViewTopComponent"));
manager = new ExplorerManager();
rootNode = new MethodNode(null, null, "");
manager.setRootContext(rootNode);
setLayout(new BorderLayout());
treeView = new BeanTreeView();
treeView.setRootVisible(false);
this.add(BorderLayout.CENTER, treeView);
associateLookup(ExplorerUtils.createLookup(manager, getActionMap()));
}
/** 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 BytecodeViewTopComponent getDefault() {
if (instance == null) {
instance = new BytecodeViewTopComponent();
}
return instance;
}
/**
* Obtain the BytecodeViewTopComponent instance. Never call {@link #getDefault} directly!
*/
public static synchronized BytecodeViewTopComponent findInstance() {
TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
if (win == null) {
ErrorManager.getDefault().log(ErrorManager.WARNING, "Cannot find BytecodeView component. It will not be located properly in the window system.");
return getDefault();
}
if (win instanceof BytecodeViewTopComponent) {
return (BytecodeViewTopComponent) 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<InputGraphProvider> tpl = new Lookup.Template<>(InputGraphProvider.class);
result = Utilities.actionsGlobalContext().lookup(tpl);
result.addLookupListener(this);
}
@Override
public void componentClosed() {
result.removeLookupListener(this);
result = null;
}
@Override
public Object writeReplace() {
return new ResolvableHelper();
}
@Override
protected String preferredID() {
return PREFERRED_ID;
}
@Override
public ExplorerManager getExplorerManager() {
return manager;
}
@Override
public void requestActive() {
super.requestActive();
this.treeView.requestFocus();
}
@Override
public boolean requestFocus(boolean temporary) {
this.treeView.requestFocus();
return super.requestFocus(temporary);
}
@Override
protected boolean requestFocusInWindow(boolean temporary) {
this.treeView.requestFocus();
return super.requestFocusInWindow(temporary);
}
@Override
public void resultChanged(LookupEvent lookupEvent) {
final InputGraphProvider p = LookupHistory.getLast(InputGraphProvider.class);//)Utilities.actionsGlobalContext().lookup(InputGraphProvider.class);
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
if (p != null) {
InputGraph graph = p.getGraph();
if (graph != null) {
Group g = graph.getGroup();
rootNode.update(graph, g.getMethod());
return;
}
}
rootNode.update(null, null);
}
});
}
final static class ResolvableHelper implements Serializable {
private static final long serialVersionUID = 1L;
public Object readResolve() {
return BytecodeViewTopComponent.getDefault();
}
}
}