com.nokia.tools.s60ct.confml.editor.PluginImages.java Source code

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Here is the source code for com.nokia.tools.s60ct.confml.editor.PluginImages.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
package com.nokia.tools.s60ct.confml.editor;

import java.net.URL;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;

/**
 * Static image cache.
 */
public final class PluginImages {
    public static final ImageDescriptor EXPAND_ALL;
    public static final ImageDescriptor COLLAPSE_ALL;
    public static final ImageDescriptor ADD;
    public static final ImageDescriptor DELETE;
    public static final ImageDescriptor EMPTY_SEQUENCE;
    public static final ImageDescriptor BROWSE;
    public static final Image ERROR_SORTER;
    public static final Image SORTER;
    public static final int SORTER_IMAGE_SIZE = 8;
    public static final Image NOTE;
    public static final Image DIRTY;
    public static final Image FILE;
    public static final Color BACKGROUND_COLOR;
    public static final Image MRK_NOTE;
    public static final Image MRK_DIRTY;
    public static final Image MRK_ERROR;
    public static final Image ERROR;
    public static final Image WARNING;
    public static final Image CLEAR;
    public static final Image CHECKED;

    static {
        MRK_ERROR = new Image(Display.getCurrent(),
                Activator.getImageDescriptor("icons/mrk_error.gif").getImageData());
        MRK_DIRTY = new Image(Display.getCurrent(),
                Activator.getImageDescriptor("icons/mrk_dirty.gif").getImageData());
        MRK_NOTE = new Image(Display.getCurrent(),
                Activator.getImageDescriptor("icons/mrk_notes.gif").getImageData());
        ERROR = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/Error.gif").getImageData());
        CHECKED = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/checked.gif").getImageData());
        WARNING = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/Warning.gif").getImageData());
        CLEAR = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/Clear.gif").getImageData());
        BACKGROUND_COLOR = new Color(null, 232, 242, 255);
        EXPAND_ALL = loadImage("expandall.gif");
        COLLAPSE_ALL = loadImage("collapseall.gif");
        ADD = loadImage("add.gif");
        BROWSE = loadImage("browse.gif");
        DELETE = loadImage("delete.gif");
        ERROR_SORTER = new Image(Display.getCurrent(),
                Activator.getImageDescriptor("icons/srt_error.png").getImageData());
        SORTER = new Image(Display.getCurrent(), createSorterImage());
        NOTE = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/srt_note.png").getImageData());
        DIRTY = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/srt_dirty.png").getImageData());
        FILE = new Image(Display.getCurrent(), Activator.getImageDescriptor("icons/file_icont.gif").getImageData());
        EMPTY_SEQUENCE = loadImage("empty.gif");
    }

    /**
     * Preloads image into backbuffer and then wraps into
     * {@link ImageDescriptor}
     * 
     * @param name
     *            image name
     * @return
     */
    private static ImageDescriptor loadImage(String name) {
        try {
            URL entry = Activator.getDefault().getBundle().getEntry("icons/" + name);
            ImageData id = new ImageData(entry.openStream());
            return ImageDescriptor.createFromImageData(id);
        } catch (Exception ex) {
            Activator.getDefault().getLog()
                    .log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to load icon " + name, ex));
            return null;
        }
    }

    public static ImageData createSorterImage() {
        Display display = Display.getCurrent();
        Image image = new Image(display, SORTER_IMAGE_SIZE + 4, SORTER_IMAGE_SIZE);
        Rectangle bounds = image.getBounds();
        GC gc = new GC(image);
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
        gc.drawRectangle(0, 0, bounds.height - 1, bounds.height - 1);
        gc.drawLine(bounds.height + 2, 1, bounds.height + 2, bounds.height - 1);
        gc.dispose();
        ImageData data = image.getImageData();
        data.transparentPixel = data.getPixel(2, 2);
        return data;
    }

    public static ImageData createErrorSorterImage() {
        Display display = Display.getCurrent();
        Image image = new Image(display, SORTER_IMAGE_SIZE + 4, SORTER_IMAGE_SIZE);
        Rectangle bounds = image.getBounds();
        GC gc = new GC(image);
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
        gc.drawOval(0, 0, bounds.height - 1, bounds.height - 1);
        gc.drawLine(bounds.height + 2, 1, bounds.height + 2, bounds.height - 1);
        gc.dispose();
        ImageData data = image.getImageData();
        data.transparentPixel = data.getPixel(0, 0);
        return data;
    }

    public static ImageData createNoteImage() {
        Display display = Display.getCurrent();
        Image image = new Image(display, SORTER_IMAGE_SIZE + 4, SORTER_IMAGE_SIZE);
        Rectangle bounds = image.getBounds();
        GC gc = new GC(image);
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
        gc.drawOval(0, 0, bounds.height - 1, bounds.height - 1);
        gc.drawLine(bounds.height + 2, 1, bounds.height + 2, bounds.height - 1);
        gc.dispose();
        ImageData data = image.getImageData();
        data.transparentPixel = data.getPixel(0, 0);
        return data;
    }
}