com.aptana.editor.beaver.outline.BeaverOutlineLabelProvider.java Source code

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Here is the source code for com.aptana.editor.beaver.outline.BeaverOutlineLabelProvider.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.beaver.outline;

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

import beaver.spec.ast.Rule;

import com.aptana.editor.beaver.BeaverPlugin;
import com.aptana.editor.beaver.outline.BeaverOutlineContentProvider.SymbolWrapper;

/**
 * BeaverOutlineLabelProvider
 */
public class BeaverOutlineLabelProvider extends LabelProvider {
    private static final Image RULE_ICON = BeaverPlugin.getImage("icons/rule.png");

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element) {
        if (element instanceof SymbolWrapper) {
            element = ((SymbolWrapper) element).getSymbol();
        }

        if (element instanceof Rule) {
            return RULE_ICON;
        }

        return super.getImage(element);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element) {
        String result;

        if (element instanceof SymbolWrapper) {
            element = ((SymbolWrapper) element).getSymbol();
        }

        if (element instanceof Rule) {
            Rule rule = (Rule) element;

            result = rule.getLHSSymbolName();
        } else {
            result = super.getText(element);
        }

        return result;
    }
}