AddImageWizardDataSourceSettingsPanel.java

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/*
 * Autopsy Forensic Browser
 *
 * Copyright 2011-2018 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.casemodule;
 
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.logging.Level;
import org.openide.util.NbBundle;
import org.sleuthkit.autopsy.coreutils.Logger;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.openide.WizardDescriptor;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;
import org.openide.windows.WindowManager;
import java.awt.Cursor;
import org.sleuthkit.autopsy.ingest.runIngestModuleWizard.ShortcutWizardDescriptorPanel;

@SuppressWarnings("PMD.SingularField") // UI widgets cause lots of false positives
class AddImageWizardDataSourceSettingsPanel extends ShortcutWizardDescriptorPanel implements PropertyChangeListener {

    private AddImageWizardDataSourceSettingsVisual component;
    private boolean isNextEnable = false;
    // paths to any set hash lookup databases (can be null)
 
    AddImageWizardDataSourceSettingsPanel() {
    }

    @Override
    public AddImageWizardDataSourceSettingsVisual getComponent() {
        if (component == null) {
            WindowManager.getDefault().getMainWindow().setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
            component = new AddImageWizardDataSourceSettingsVisual(this);
            component.setLocation(WindowManager.getDefault().getMainWindow().getLocation());
        }
        component.addPropertyChangeListener(this);
        return component;
    }

    @Override
    public HelpCtx getHelp() {
        // Show no Help button for this panel:
        return HelpCtx.DEFAULT_HELP;
 
    }

    @Override
    public boolean isValid() {
        return isNextEnable;
    }

    void moveFocusToNext() {
        // set the focus to the next button of the wizard dialog if it's enabled
        if (isNextEnable) {
            Lookup.getDefault().lookup(AddImageAction.class).requestFocusButton(
                    NbBundle.getMessage(this.getClass(), "AddImageWizardChooseDataSourcePanel.moveFocusNext"));
        }
    }

    public void enableNextButton(boolean isEnabled) {
        isNextEnable = isEnabled;
        fireChangeEvent();
    }
    private final Set<ChangeListener> listeners = new HashSet<>(1); // or can use ChangeSupport in NB 6.0

    @Override
    public final void addChangeListener(ChangeListener l) {
        synchronized (listeners) {
            listeners.add(l);
        }
    }

    @Override
    public final void removeChangeListener(ChangeListener l) {
        synchronized (listeners) {
            listeners.remove(l);
        }
    }

    protected final void fireChangeEvent() {
        Iterator<ChangeListener> it;
        synchronized (listeners) {
            it = new HashSet<>(listeners).iterator();
        }
        ChangeEvent ev = new ChangeEvent(this);
        while (it.hasNext()) {
            it.next().stateChanged(ev);
        }
    }

    @Override
    public void readSettings(WizardDescriptor settings) {
        // Prepopulate the image directory from the properties file
        try {
 
            // If there is a process object in the settings, revert it and remove it from the settings
            AddImageAction.CleanupTask cleanupTask = (AddImageAction.CleanupTask) settings.getProperty(AddImageAction.IMAGECLEANUPTASK_PROP);
            if (cleanupTask != null) {
                try {
                    cleanupTask.cleanup();
                } catch (Exception ex) {
                    Logger logger = Logger.getLogger(AddImageWizardDataSourceSettingsPanel.class.getName());
                    logger.log(Level.WARNING, "Error cleaning up image task", ex); //NON-NLS
                } finally {
                    cleanupTask.disable();
                }
            }
        } catch (Exception e) {
        }
        component.setDspSelection((String) settings.getProperty("SelectedDsp")); //NON-NLS magic string used SelectDataSourceProcessorPanel
    }

    @Override
    public void storeSettings(WizardDescriptor settings) {    
    }

    @Override
    public void propertyChange(PropertyChangeEvent evt) {
        fireChangeEvent();
    }
}