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/*******************************************************************************
* Copyright (c) 2014, 2016 Red Hat and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.cdt.internal.docker.launcher;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.cdt.docker.launcher.DockerLaunchUIPlugin;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
public class SWTImagesFactory {
// The plug-in registry
private static ImageRegistry imageRegistry = DockerLaunchUIPlugin.getDefault().getImageRegistry();
// Sub-directory (under the package containing this class) where 16 color
// images are
private static URL fgIconBaseURL;
static {
try {
fgIconBaseURL = new URL(DockerLaunchUIPlugin.getDefault().getBundle().getEntry("/"), "icons/"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (MalformedURLException e) {
DockerLaunchUIPlugin.log(e);
}
}
private static final String NAME_PREFIX = DockerLaunchUIPlugin.PLUGIN_ID + '.';
private static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length();
public static final String IMG_CONTAINER = NAME_PREFIX + "repository-middle.gif"; //$NON-NLS-1$
public static final String IMG_FOLDER_CLOSED = NAME_PREFIX + "folder_closed.gif"; //$NON-NLS-1$
public static final String IMG_FILE = NAME_PREFIX + "file_obj.gif"; //$NON-NLS-1$
public static final String IMG_WARNING = NAME_PREFIX + "warning_obj.gif"; //$NON-NLS-1$
public static final String IMG_ERROR = NAME_PREFIX + "error_obj.gif"; //$NON-NLS-1$
public static final ImageDescriptor DESC_CONTAINER = createManaged("", IMG_CONTAINER);
public static final ImageDescriptor DESC_FOLDER_CLOSED = createManaged("", IMG_FOLDER_CLOSED);
public static final ImageDescriptor DESC_FILE = createManaged("", IMG_FILE);
public static final ImageDescriptor DESC_WARNING = createManaged("", IMG_WARNING);
public static final ImageDescriptor DESC_ERROR = createManaged("", IMG_ERROR);
private static ImageDescriptor createManaged(String prefix, String name) {
return createManaged(imageRegistry, prefix, name);
}
private static ImageDescriptor createManaged(ImageRegistry registry, String prefix, String name) {
ImageDescriptor result = ImageDescriptor
.createFromURL(makeIconFileURL(prefix, name.substring(NAME_PREFIX_LENGTH)));
registry.put(name, result);
return result;
}
public static Image get(String key) {
return imageRegistry.get(key);
}
private static ImageDescriptor create(String prefix, String name) {
return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name));
}
private static URL makeIconFileURL(String prefix, String name) {
StringBuilder buffer = new StringBuilder(prefix);
buffer.append(name);
try {
return new URL(fgIconBaseURL, buffer.toString());
} catch (MalformedURLException e) {
DockerLaunchUIPlugin.log(e);
return null;
}
}
/**
* Sets all available image descriptors for the given action.
*
* @param action
* to set descriptor for
* @param type
* of image descriptor
* @param relPath
* relative path
*/
public static void setImageDescriptors(IAction action, String type, String relPath) {
if (relPath.startsWith(NAME_PREFIX))
relPath = relPath.substring(NAME_PREFIX_LENGTH);
action.setDisabledImageDescriptor(create("d" + type, relPath)); //$NON-NLS-1$
action.setImageDescriptor(create("e" + type, relPath)); //$NON-NLS-1$
}
/**
* Helper method to access the image registry from the CUIPlugin class.
*/
static ImageRegistry getImageRegistry() {
return imageRegistry;
}
}
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