FileExtMismatchOptionsPanelController.java

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/*
 * Autopsy Forensic Browser
 *
 * Copyright 2011-2017 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.modules.fileextmismatch;
 
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import javax.swing.JComponent;
import org.netbeans.spi.options.OptionsPanelController;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;
import org.sleuthkit.autopsy.coreutils.Logger;
 
@OptionsPanelController.TopLevelRegistration(
        categoryName = "#OptionsCategory_Name_FileExtMismatchOptions",
        iconBase = "org/sleuthkit/autopsy/modules/fileextmismatch/options-icon.png",
        position = 9,
        keywords = "#OptionsCategory_FileExtMismatch",
        keywordsCategory = "KeywordSearchOptions")
public final class FileExtMismatchOptionsPanelController extends OptionsPanelController {
 
    private FileExtMismatchSettingsPanel panel;
    private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
    private boolean changed;
    private static final Logger logger = Logger.getLogger(FileExtMismatchOptionsPanelController.class.getName());

    @Override
    public void update() {
        getPanel().load();
        changed = false;
    }

    @Override
    public void applyChanges() {
        if (changed) {
            getPanel().ok();
            changed = false;
        }
    }

    @Override
    public void cancel() {
        getPanel().cancel();
    }
 
    @Override
    public boolean isValid() {
        return getPanel().valid();
    }

    @Override
    public boolean isChanged() {
        return changed;
    }
 
    @Override
    public HelpCtx getHelpCtx() {
        return null; // new HelpCtx("...ID") if you have a help set
    }
 
    @Override
    public JComponent getComponent(Lookup masterLookup) {
        return getPanel();
    }
 
    @Override
    public void addPropertyChangeListener(PropertyChangeListener l) {
        pcs.addPropertyChangeListener(l);
    }
 
    @Override
    public void removePropertyChangeListener(PropertyChangeListener l) {
        pcs.removePropertyChangeListener(l);
    }
 
    private FileExtMismatchSettingsPanel getPanel() {
        if (panel == null) {
            panel = new FileExtMismatchSettingsPanel();
            panel.addPropertyChangeListener(new PropertyChangeListener() {
                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals(OptionsPanelController.PROP_CHANGED)) {
                        changed();
                    }
                }
            });
        }
        return panel;
    }
 
    void changed() {
        if (!changed) {
            changed = true;
 
            pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true);
        }
 
        pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null);
    }
}