ja.lingo.application.gui.drophandler.DropHandler.java Source code

Introduction

Here is the source code for ja.lingo.application.gui.drophandler.DropHandler.java

Source

/*
 * JaLingo, http://jalingo.sourceforge.net/
 *
 * Copyright (c) 2002-2006 Oleksandr Shyshko
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package ja.lingo.application.gui.drophandler;

import ja.centre.gui.resources.Resources;
import ja.lingo.application.model.Model;
import ja.lingo.application.util.messages.Messages;
import ja.lingo.engine.IEngine;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.swing.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.util.Arrays;

public class DropHandler extends TransferHandler {
    private static final Log LOG = LogFactory.getLog(ja.lingo.application.gui.drophandler.DropHandler.class);

    private Resources resources = Resources.forProperties(getClass());

    private IEngine engine;
    private Model model;

    public DropHandler(IEngine engine, Model model) {
        this.engine = engine;
        this.model = model;
    }

    public boolean canImport(JComponent c, DataFlavor[] flavors) {
        if (engine.getFinder().isEmpty()) {
            return false;
        }

        boolean canImport = Arrays.asList(flavors).contains(DataFlavor.stringFlavor);

        if (!canImport) {
            LOG.warn("Can't import from flavors " + Arrays.asList(flavors));
        }

        return canImport;
    }

    public boolean importData(JComponent c, Transferable t) {
        if (engine.getFinder().isEmpty()) {
            return false;
        }

        if (canImport(c, t.getTransferDataFlavors())) {
            try {
                String value = (String) t.getTransferData(DataFlavor.stringFlavor);

                model.navigateAndTranslate(value.trim());
                model.main_showAtTop();

                return true;
            } catch (Throwable tt) {
                LOG.warn("Could not drop object", tt);
                Messages.info(c, resources.text("couldNotDropObject"));
            }
        }
        return false;
    }
}