TmfNavigatorLabelProvider.java

/*******************************************************************************
 * Copyright (c) 2011, 2014 Ericsson
 *
 * 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
 *
 * Contributors:
 *   Francois Chouinard - Initial API and implementation
 *   Patrick Tasse - Add support for unknown trace type icon
 *******************************************************************************/

package org.eclipse.tracecompass.tmf.ui.project.model;

import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.StyledString.Styler;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.ICommonLabelProvider;

/**
 * The TMF project label provider for the tree viewer in the project explorer view.
 * <p>
 * @version 1.0
 * @author Francois Chouinard
 */
public class TmfNavigatorLabelProvider implements ICommonLabelProvider, IStyledLabelProvider {

    // ------------------------------------------------------------------------
    // ICommonLabelProvider
    // ------------------------------------------------------------------------

    @Override
    public Image getImage(Object element) {
        if (element instanceof ITmfProjectModelElement) {
            return ((ITmfProjectModelElement) element).getIcon();
        }
        return null;
    }

    @Override
    public String getText(Object element) {
        if (element instanceof ITmfProjectModelElement) {
            return ((ITmfProjectModelElement) element).getLabelText();
        }
        return null;
    }

    @Override
    public void addListener(ILabelProviderListener listener) {
    }

    @Override
    public void dispose() {
    }

    @Override
    public boolean isLabelProperty(Object element, String property) {
        return false;
    }

    @Override
    public void removeListener(ILabelProviderListener listener) {
    }

    @Override
    public void restoreState(IMemento aMemento) {
    }

    @Override
    public void saveState(IMemento aMemento) {
    }

    @Override
    public String getDescription(Object anElement) {
        return getText(anElement);
    }

    @Override
    public void init(ICommonContentExtensionSite aConfig) {
    }

    @Override
    public StyledString getStyledText(Object element) {
        String text = getText(element);
        if (text != null) {
            if (element instanceof ITmfStyledProjectModelElement) {
                Styler styler = ((ITmfStyledProjectModelElement) element).getStyler();
                if (styler != null) {
                    return new StyledString(text, styler);
                }
            }
            return new StyledString(text);
        }
        return null;
    }

}