org.eclipse.ui.tests.decorators.TestLabelProvider.java Source code

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Here is the source code for org.eclipse.ui.tests.decorators.TestLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2004, 2006 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.tests.decorators;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.tests.TestPlugin;

/**
 * TestTreeLabelProvider is the lable provider for the tree 
 * decorator test.
 */
public class TestLabelProvider implements ILabelProvider, IColorProvider, IFontProvider {

    Image image;

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
     */
    public Image getImage(Object element) {
        if (image == null) {
            TestPlugin plugin = TestPlugin.getDefault();
            image = plugin.getImageDescriptor("anything.gif").createImage();
        }
        return image;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
     */
    public String getText(Object element) {
        return ((TestElement) element).name;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
     */
    public Color getBackground(Object element) {

        int switchNumber = 0;
        if (element instanceof TreeElement)
            switchNumber = ((TreeElement) element).level;
        else
            switchNumber = ((TableElement) element).index % 4;

        switch (switchNumber) {
        case 0:
            return Display.getDefault().getSystemColor(SWT.COLOR_YELLOW);
        case 1:
            return Display.getDefault().getSystemColor(SWT.COLOR_GREEN);
        case 2:
            return Display.getDefault().getSystemColor(SWT.COLOR_DARK_GREEN);
        case 3:
            return Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
        default:
            break;
        }

        return null;

    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
     */
    public Color getForeground(Object element) {

        int switchNumber = 0;
        if (element instanceof TreeElement)
            switchNumber = ((TreeElement) element).level;
        else
            switchNumber = ((TableElement) element).index % 4;

        switch (switchNumber) {
        case 0:
            return Display.getDefault().getSystemColor(SWT.COLOR_DARK_RED);
        case 1:
            return Display.getDefault().getSystemColor(SWT.COLOR_RED);
        case 2:
            return Display.getDefault().getSystemColor(SWT.COLOR_CYAN);
        case 3:
            return Display.getDefault().getSystemColor(SWT.COLOR_YELLOW);
        default:
            break;
        }

        return null;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
     */
    public Font getFont(Object element) {
        return JFaceResources.getFontRegistry().getItalic(JFaceResources.DEFAULT_FONT);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
     */
    public void addListener(ILabelProviderListener listener) {

    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
     */
    public void dispose() {
        if (image != null)
            image.dispose();

    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
     */
    public boolean isLabelProperty(Object element, String property) {
        return false;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
     */
    public void removeListener(ILabelProviderListener listener) {

    }
}