lost.tok.navigator.InformationNavigator.java Source code

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Here is the source code for lost.tok.navigator.InformationNavigator.java

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/* Tree of Knowledge - An information management Eclipse plugin
 * Copyright (C) 2007 Team Lost
 * 
 * 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., 51 Franklin Street, Fifth Floor, 
 * Boston, MA  02110-1301, USA.
 */

package lost.tok.navigator;

import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.DND;

import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;

import org.eclipse.ui.part.PluginTransfer;
import org.eclipse.ui.part.ResourceTransfer;
import org.eclipse.ui.views.navigator.LocalSelectionTransfer;
import org.eclipse.ui.views.navigator.NavigatorDragAdapter;
import org.eclipse.ui.views.navigator.ResourcePatternFilter;

import org.eclipse.ui.views.navigator.ResourceNavigator;
import org.eclipse.ui.views.navigator.ResourceSorter;

public class InformationNavigator extends ResourceNavigator {

    public final static String ID = "lost.tok.navigator.Navigator"; //$NON-NLS-1$
    private Listener dragDetectListener;
    protected boolean dragDetected;

    public InformationNavigator() {
        super();
    }

    public void createPartControl(Composite parent) {
        super.createPartControl(parent);
        ResourceSorter sorter = new InformationComparator();
        super.setSorter(sorter);
    }

    protected void handleSelectionChanged(SelectionChangedEvent event) {
        super.handleSelectionChanged(event);
    }

    public void dispose() {
        super.dispose();
    }

    protected void initDragAndDrop() {
        int ops = DND.DROP_COPY | DND.DROP_MOVE;
        Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getInstance(),
                ResourceTransfer.getInstance(), FileTransfer.getInstance(), PluginTransfer.getInstance() };
        TreeViewer viewer = getTreeViewer();
        viewer.addDragSupport(ops, transfers, new NavigatorDragAdapter(viewer));
        ToKDropAdapter adapter = new ToKDropAdapter(viewer);
        adapter.setFeedbackEnabled(false);
        viewer.addDropSupport(ops | DND.DROP_DEFAULT, transfers, adapter);
        dragDetectListener = new Listener() {
            public void handleEvent(Event event) {
                dragDetected = true;
            }
        };
        viewer.getControl().addListener(SWT.DragDetect, dragDetectListener);
    }

    protected void initFilters(TreeViewer viewer) {
        super.initFilters(viewer);
        ResourcePatternFilter f = new ResourcePatternFilter();
        String st[] = { "order.xml", ".project" };

        f.setPatterns(st);
        viewer.addFilter(f);
    }
}