com.nokia.carbide.remoteconnections.internal.ui.mylyn.CompositeContainerImageDescriptor.java Source code

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Here is the source code for com.nokia.carbide.remoteconnections.internal.ui.mylyn.CompositeContainerImageDescriptor.java

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/*******************************************************************************
 * Copyright (c) 2004, 2008 Tasktop Technologies 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:
 *     Tasktop Technologies - initial API and implementation
 *******************************************************************************/

package com.nokia.carbide.remoteconnections.internal.ui.mylyn;

import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;

/**
 * @author Mik Kersten
 */
public class CompositeContainerImageDescriptor extends CompositeImageDescriptor {

    private final ImageData base;

    private ImageData overlay;

    protected Point size;

    public CompositeContainerImageDescriptor(ImageDescriptor icon, ImageDescriptor overlay, boolean wide) {
        this.base = getImageData(icon);
        if (overlay != null) {
            this.overlay = getImageData(overlay);
        }
        int width = CompositeElementImageDescriptor.WIDTH_ICON;
        if (wide) {
            width += CompositeElementImageDescriptor.OFFSET_DECORATION;
        }
        this.size = new Point(width, base.height);
    }

    @Override
    protected void drawCompositeImage(int width, int height) {
        drawImage(base, 0, 0);
        if (overlay != null) {
            drawImage(overlay, base.width + 2, 0);
        }
    }

    private ImageData getImageData(ImageDescriptor descriptor) {
        ImageData data = descriptor.getImageData();
        // see bug 51965: getImageData can return null
        if (data == null) {
            data = DEFAULT_IMAGE_DATA;
        }
        return data;
    }

    @Override
    protected Point getSize() {
        return new Point(size.x, size.y);
    }
}