eu.geclipse.ui.providers.DecoratingGridModelLabelProvider.java Source code

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Here is the source code for eu.geclipse.ui.providers.DecoratingGridModelLabelProvider.java

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/*****************************************************************************
 * Copyright (c) 2008 g-Eclipse Consortium 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Mathias Stuempert - initial API and implementation
 *****************************************************************************/

package eu.geclipse.ui.providers;

import org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.graphics.Image;

/**
 * Decorating label provider that forwards the {@link ITableLabelProvider}
 * functionalities to the {@link IStyledLabelProvider} if this is an instance
 * of {@link ITableLabelProvider}.
 */
public class DecoratingGridModelLabelProvider extends DecoratingStyledCellLabelProvider
        implements ITableLabelProvider {

    /**
     * Create a new label provider from the specified settings.
     * 
     * @param labelProvider The {@link IStyledLabelProvider}.
     * @param decorator The {@link ILabelDecorator}.
     */
    public DecoratingGridModelLabelProvider(final IStyledLabelProvider labelProvider,
            final ILabelDecorator decorator) {
        super(labelProvider, decorator, null);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
     */
    public Image getColumnImage(final Object element, final int columnIndex) {
        Image result = null;
        IStyledLabelProvider provider = getStyledStringProvider();
        if ((provider instanceof ITableLabelProvider) && (columnIndex > 0)) {
            result = ((ITableLabelProvider) provider).getColumnImage(element, columnIndex);
        } else if (columnIndex == 0) {
            result = super.getImage(element);
        }
        return result;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
     */
    public String getColumnText(final Object element, final int columnIndex) {
        String result = ""; //$NON-NLS-1$
        IStyledLabelProvider provider = getStyledStringProvider();
        if ((provider instanceof ITableLabelProvider) && (columnIndex > 0)) {
            result = ((ITableLabelProvider) provider).getColumnText(element, columnIndex);
        } else if (columnIndex == 0) {
            result = provider.getStyledText(element).getString();
        }
        return result;
    }

}