org.eclipse.mylyn.ide.ui/src/org/eclipse/mylyn/ide/ui/ProblemsListLabelProvider.java

/*******************************************************************************
 * Copyright (c) 2004 - 2005 University Of British Columbia and others.
 * 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:
 *     University Of British Columbia - initial API and implementation
 *******************************************************************************/
/*
 * Created on May 12, 2005
  */
package org.eclipse.mylar.ide.ui;

import org.eclipse.jface.viewers.*;
import org.eclipse.mylar.core.IMylarElement;
import org.eclipse.mylar.core.MylarPlugin;
import org.eclipse.mylar.ui.MylarUiPlugin;
import org.eclipse.mylar.ui.internal.UiUtil;
import org.eclipse.swt.graphics.*;
import org.eclipse.ui.views.markers.internal.ProblemMarker;
import org.eclipse.ui.views.markers.internal.TableViewLabelProvider;

/**
 * @author Mik Kersten
 */
public class ProblemsListLabelProvider implements ITableLabelProvider, IColorProvider, IFontProvider {

    private TableViewLabelProvider provider;
    
    public ProblemsListLabelProvider(TableViewLabelProvider provider) {
        this.provider = provider;
    }

    public Font getFont(Object element) {
        if (element instanceof ProblemMarker) {
            String handle = MylarPlugin.getDefault().getStructureBridge(((ProblemMarker)element).getResource().getFileExtension()).getHandleForOffsetInObject(((ProblemMarker)element), 0);
            IMylarElement node = MylarPlugin.getContextManager().getElement(handle);
            if (node != null) {    
                if (node.getDegreeOfInterest().isLandmark() && !node.getDegreeOfInterest().isPropagated()) {
                    return MylarUiPlugin.BOLD;
                } 
            } 
        } 
        return null;
    }
    
    public Image getColumnImage(Object element, int columnIndex) {
        return provider.getColumnImage(element, columnIndex);
    }

    public String getColumnText(Object element, int columnIndex) {
        return provider.getColumnText(element, columnIndex);
    }
    
    public Color getForeground(Object element) {
        if (element instanceof ProblemMarker) {
            String handle = MylarPlugin.getDefault().getStructureBridge(((ProblemMarker)element).getResource().getFileExtension()).getHandleForOffsetInObject(((ProblemMarker)element), 0);
            return UiUtil.getForegroundForElement(MylarPlugin.getContextManager().getElement(handle));
        } else {
            return null;
        }  
    }

    public Color getBackground(Object element) {
        if (element instanceof ProblemMarker) {
            String handle = MylarPlugin.getDefault().getStructureBridge(((ProblemMarker)element).getResource().getFileExtension()).getHandleForOffsetInObject(((ProblemMarker)element), 0);
            return UiUtil.getBackgroundForElement(MylarPlugin.getContextManager().getElement(handle));
        } else {
            return null;
        }
    }

    /**
     * TODO: handle listeners?
     */
    public void addListener(ILabelProviderListener listener) {
//        provider.addListener(listener);
    }

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

    public boolean isLabelProperty(Object element, String property) {
        return provider.isLabelProperty(element, property);
    }

    public void removeListener(ILabelProviderListener listener) {
//        removeListener(listener);
    }
}