com.aptana.editor.common.outline.CompositeOutlineLabelProvider.java Source code

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Here is the source code for com.aptana.editor.common.outline.CompositeOutlineLabelProvider.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.common.outline;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

import com.aptana.parsing.ast.ILanguageNode;

public class CompositeOutlineLabelProvider extends LabelProvider {

    private Map<String, ILabelProvider> fProvidersByLanguage;

    public CompositeOutlineLabelProvider() {
        fProvidersByLanguage = new HashMap<String, ILabelProvider>();
    }

    @Override
    public Image getImage(Object element) {
        if (element instanceof ILanguageNode) {
            String language = ((ILanguageNode) element).getLanguage();
            ILabelProvider provider = fProvidersByLanguage.get(language);
            if (provider != null) {
                return provider.getImage(element);
            }
        }
        return getDefaultImage(element);
    }

    @Override
    public String getText(Object element) {
        if (element instanceof ILanguageNode) {
            String language = ((ILanguageNode) element).getLanguage();
            ILabelProvider provider = fProvidersByLanguage.get(language);
            if (provider != null) {
                return provider.getText(element);
            }
        }
        return getDefaultText(element);
    }

    protected void addSubLanguage(String language, ILabelProvider provider) {
        fProvidersByLanguage.put(language, provider);
    }

    protected Image getDefaultImage(Object element) {
        return super.getImage(element);
    }

    protected String getDefaultText(Object element) {
        return super.getText(element);
    }
}