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 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *  This code is free software; you can redistribute it and/or modify it
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 *  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
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 *  2 along with this work; if not, write to the Free Software Foundation,
 *  Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.visualvm.jmx.impl;

import java.awt.event.ActionEvent;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JMenuItem;
import org.graalvm.visualvm.core.VisualVM;
import org.graalvm.visualvm.core.ui.actions.ActionUtils;
import org.graalvm.visualvm.core.ui.actions.SingleDataSourceAction;
import org.openide.awt.Mnemonics;
import org.openide.util.NbBundle;
import org.openide.util.actions.Presenter;

/**
 *
 * @author Jiri Sedlacek
 */
public final class AutoConnectAction extends SingleDataSourceAction<JmxApplication> implements Presenter.Popup {
    
    private static AutoConnectAction INSTANCE;
    
    private boolean currentAutoConnect;
    
    
    public static synchronized AutoConnectAction instance() {
        if (INSTANCE == null) INSTANCE = new AutoConnectAction();
        return INSTANCE;
    }
    
    
    @Override
    protected void actionPerformed(final JmxApplication app, ActionEvent actionEvent) {
        final boolean autoConnect = currentAutoConnect;
        VisualVM.getInstance().runTask(new Runnable() {
            public void run() {
                if (autoConnect) app.disableHeartbeat();
                else app.enableHeartbeat();
            }
        });
    }

    @Override
    protected boolean isEnabled(JmxApplication app) {
        return true;
    }
    
    
    @Override
    public JMenuItem getPopupPresenter() {
        JmxApplication app = ActionUtils.getSelectedDataSource(getScope());
        currentAutoConnect = !app.isHeartbeatDisabled();
        
        JMenuItem presenter = new JCheckBoxMenuItem(this);
        Mnemonics.setLocalizedText(presenter, NbBundle.getMessage(ConnectDisconnectAction.class, "LBL_AutoConnect")); // NOI18N
        presenter.setSelected(currentAutoConnect);
        
        return presenter;
    }
    
    
    private AutoConnectAction() {
        super(JmxApplication.class);
    }
    
}
