ijfx.core.io.IjfxRecentFileService.java Source code

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Here is the source code for ijfx.core.io.IjfxRecentFileService.java

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/*
This file is part of ImageJ FX.
    
ImageJ FX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
ImageJ FX 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 for more details.
    
You should have received a copy of the GNU General Public License
along with ImageJ FX.  If not, see <http://www.gnu.org/licenses/>. 
    
 Copyright 2015,2016 Cyril MONGIS, Michael Knop
       
 */
package ijfx.core.io;

import com.google.common.collect.Lists;
import ijfx.core.prefs.JsonPreferenceService;
import ijfx.ui.main.ImageJFX;
import java.util.List;
import org.scijava.Priority;
import org.scijava.event.EventService;
import org.scijava.io.RecentFileService;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;
import org.scijava.service.AbstractService;
import org.scijava.service.Service;

/**
 *
 * @author Cyril MONGIS, 2016
 */
@Plugin(type = Service.class, priority = Priority.NORMAL_PRIORITY + 1)
public class IjfxRecentFileService extends AbstractService implements RecentFileService {

    @Parameter
    JsonPreferenceService jsonPreferenceService;

    @Parameter
    EventService eventService;

    private static final String RECENT_FILE_JSON_FILE = "recentFile.json";

    List<String> listPath;

    private final int RECENT_FILE_DISPLAYED_LIMIT = 10;

    @Override
    public void initialize() {
        listPath = jsonPreferenceService.loadListFromJson(RECENT_FILE_JSON_FILE, String.class);
    }

    @Override
    public void add(String path) {
        if (listPath.contains(path) == false) {
            listPath.add(path);
        } else {
            remove(path);
            listPath.add(path);

        }
        ;
        eventService.publishLater(new RecentFileAddedEvent().setObject(path));
        save();

    }

    @Override
    public boolean remove(String path) {
        listPath.remove(path);
        eventService.publishLater(new RecentFileRemovedEvent().setObject(path));
        return true;
    }

    @Override
    public void clear() {
        listPath.clear();
        eventService.publishLater(new RecentFileListClearedEvent());
    }

    @Override
    public List<String> getRecentFiles() {
        List<String> recentFile = Lists.reverse(listPath);
        if (recentFile.size() > RECENT_FILE_DISPLAYED_LIMIT) {
            recentFile = recentFile.subList(0, 10);
        }
        return recentFile;
    }

    public void save() {
        jsonPreferenceService.savePreference(listPath, RECENT_FILE_JSON_FILE);
    }

}