org.kalypso.ui.editor.styleeditor.stroke.StrokeLineJoinValue.java Source code

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Here is the source code for org.kalypso.ui.editor.styleeditor.stroke.StrokeLineJoinValue.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.ui.editor.styleeditor.stroke;

import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.LabelProvider;
import org.kalypso.ui.editor.styleeditor.binding.IStyleInput;
import org.kalypso.ui.editor.styleeditor.binding.InputWithContextObservableValue;
import org.kalypsodeegree.filterencoding.FilterEvaluationException;
import org.kalypsodeegree.graphics.sld.Stroke;

/**
 * @author Gernot Belger
 */
public class StrokeLineJoinValue extends InputWithContextObservableValue<Stroke, LineJoin> {
    public StrokeLineJoinValue(final IStyleInput<Stroke> input) {
        super(input, LineJoin.class);
    }

    @Override
    protected LineJoin getValueFromData(final Stroke data) {
        try {
            final int lineJoin = data.getLineJoin(null);
            return LineJoin.values()[lineJoin];
        } catch (final FilterEvaluationException e) {
            e.printStackTrace();
            return LineJoin.bevel;
        }
    }

    @Override
    protected void setValueToInput(final Stroke data, final LineJoin value) {
        if (value == null)
            data.setLineJoin(LineJoin.bevel.getLineJoin());
        else
            data.setLineJoin(value.getLineJoin());
    }

    public void configureViewer(final ComboViewer viewer) {
        viewer.setContentProvider(new ArrayContentProvider());
        viewer.setLabelProvider(new LabelProvider());
        viewer.setInput(LineJoin.values());
    }
}