OpenTimelineAction.java

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/*
 * Autopsy Forensic Browser
 *
 * Copyright 2013 Basis Technology Corp.
 * Contact: carrier <at> sleuthkit <dot> org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.sleuthkit.autopsy.timeline;

import java.util.logging.Level;
import javax.swing.JOptionPane;
import org.openide.awt.ActionID;
import org.openide.awt.ActionReference;
import org.openide.awt.ActionReferences;
import org.openide.awt.ActionRegistration;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.actions.CallableSystemAction;
import org.openide.windows.WindowManager;
import org.sleuthkit.autopsy.casemodule.Case;
import org.sleuthkit.autopsy.core.Installer;
import org.sleuthkit.autopsy.coreutils.Logger;

@ActionID(category = "Tools", id = "org.sleuthkit.autopsy.timeline.Timeline")
@ActionRegistration(displayName = "#CTL_MakeTimeline", lazy = false)
@ActionReferences(value = {
    @ActionReference(path = "Menu/Tools", position = 100)})
public class OpenTimelineAction extends CallableSystemAction {

    private static final Logger LOGGER = Logger.getLogger(OpenTimelineAction.class.getName());

    private static final boolean fxInited = Installer.isJavaFxInited();

    synchronized static void invalidateController() {
        timeLineController = null;
    }

    private static TimeLineController timeLineController = null;

    public OpenTimelineAction() {
        super();
    }

    @Override
    public boolean isEnabled() {
        return Case.isCaseOpen() && fxInited;// && Case.getCurrentCase().hasData();
    }

    @Override
    public void performAction() {

        //check case
        if (!Case.existsCurrentCase()) {
            return;
        }
        final Case currentCase = Case.getCurrentCase();

        if (currentCase.hasData() == false) {
            JOptionPane.showMessageDialog(WindowManager.getDefault().getMainWindow(),
                    NbBundle.getMessage(this.getClass(), "OpenTimeLineAction.msgdlg.text"));
            LOGGER.log(Level.INFO, "Could not create timeline, there are no data sources.");// NON-NLS
            return;
        }
        synchronized (OpenTimelineAction.class) {
            if (timeLineController == null) {
                timeLineController = new TimeLineController();
                LOGGER.log(Level.WARNING, "Failed to get TimeLineController from lookup. Instantiating one directly.S");// NON-NLS
            }
        }
        timeLineController.openTimeLine();
    }

    @Override
    public String getName() {
        return NbBundle.getMessage(TimeLineTopComponent.class, "OpenTimelineAction.title");
    }

    @Override
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP;
    }

    @Override
    public boolean asynchronous() {
        return false; // run on edt
    }
}