org.kalypso.core.status.CopyStatusClipboardAction.java Source code

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Here is the source code for org.kalypso.core.status.CopyStatusClipboardAction.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 * 
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 * 
 *  and
 *  
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 * 
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 * 
 *  This library 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
 *  Lesser General Public License for more details.
 * 
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 *  Contact:
 * 
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *   
 *  ---------------------------------------------------------------------------*/
package org.kalypso.core.status;

import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.kalypso.contribs.eclipse.core.runtime.StatusUtilities;
import org.kalypso.core.KalypsoCoreImages;
import org.kalypso.core.KalypsoCorePlugin;
import org.kalypso.core.i18n.Messages;

/**
 * @author Gernot Belger
 */
public class CopyStatusClipboardAction extends Action {
    private final String m_data;

    public CopyStatusClipboardAction(final IStatus status) {
        m_data = createClipboardString(status);

        setToolTipText(Messages.getString("CopyStatusClipboardAction_0")); //$NON-NLS-1$

        final ImageDescriptor image = KalypsoCorePlugin.getImageProvider()
                .getImageDescriptor(KalypsoCoreImages.DESCRIPTORS.STATUS_COPY_CLIPBOARD);
        setImageDescriptor(image);

        setEnabled(!StringUtils.isEmpty(m_data));
    }

    static String createClipboardString(final IStatus status) {
        if (status == null)
            return null;

        final StringWriter sw = new StringWriter();
        final PrintWriter pw = new PrintWriter(sw);

        printStatus(pw, status, 0);

        pw.flush();
        return sw.toString();
    }

    private static void printStatus(final PrintWriter pw, final IStatus status, final int level) {
        final String severity = StatusUtilities.getLocalizedSeverity(status);
        final String message = status.getMessage();

        final String indent = StringUtils.repeat(" ", level * 4); //$NON-NLS-1$

        pw.format("%s%s: %s%n", indent, severity, message); //$NON-NLS-1$

        final Throwable exception = status.getException();
        if (exception != null) {
            pw.println();
            exception.printStackTrace(pw);
        }

        pw.println();

        final IStatus[] children = status.getChildren();
        for (final IStatus child : children) {
            printStatus(pw, child, level + 1);
            pw.println();
        }

        pw.println();
    }

    @Override
    public void runWithEvent(final Event event) {
        final Display display = event.widget.getDisplay();
        pasteToClipboard(display);
    }

    private void pasteToClipboard(final Display display) {
        if (StringUtils.isEmpty(m_data))
            return;

        final Clipboard clipboard = new Clipboard(display);

        try {
            final TextTransfer textTransfer = TextTransfer.getInstance();
            final Transfer[] transfers = new Transfer[] { textTransfer };
            final Object[] data = new Object[] { m_data };
            clipboard.setContents(data, transfers);
        } finally {
            clipboard.dispose();
        }
    }
}