framework/org.eclipse.mylyn.reviews.ui/src/com/atlassian/connector/eclipse/internal/crucible/ui/CrucibleImages.java

/*******************************************************************************
 * Copyright (c) 2009 Atlassian 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:
 *     Atlassian - initial API and implementation
 ******************************************************************************/

package com.atlassian.connector.eclipse.internal.crucible.ui;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * @author Steffen Pingel
 */
public final class CrucibleImages {

	private static ImageRegistry imageRegistry;

	private static final URL BASE_URL = CrucibleUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$

	private static final String T_OBJ = "obj16"; //$NON-NLS-1$

	private static final String OVR = "ovr"; //$NON-NLS-1$

	public static final ImageDescriptor REVIEWER_COMPLETE = create(T_OBJ, "reviewerComplete.gif"); //$NON-NLS-1$

	public static final ImageDescriptor COMMENT_SMALL = create(T_OBJ, "comment-small.gif"); //$NON-NLS-1$

	public static final ImageDescriptor CRUCIBLE = create(T_OBJ, "crucible.png"); //$NON-NLS-1$

	public static final ImageDescriptor ADD_COMMENT = create(T_OBJ, "pin_addcomment.png"); //$NON-NLS-1$

	public static final ImageDescriptor ABANDON = create(T_OBJ, "pin_abandon.png"); //$NON-NLS-1$

	public static final ImageDescriptor SUMMARIZE = create(T_OBJ, "pin_summarise.png"); //$NON-NLS-1$

	public static final ImageDescriptor CLOSE = create(T_OBJ, "pin_close.png"); //$NON-NLS-1$

	public static final ImageDescriptor RECOVER = create(T_OBJ, "pin_recover.png"); //$NON-NLS-1$

	public static final ImageDescriptor REOPEN = create(T_OBJ, "pin_reopen.png"); //$NON-NLS-1$

	public static final ImageDescriptor UNCOMPLETE = create(T_OBJ, "pin_uncomplete.png"); //$NON-NLS-1$

	public static final ImageDescriptor COMPLETE = create(T_OBJ, "pin_complete.png"); //$NON-NLS-1$

	public static final ImageDescriptor SUBMIT = create(T_OBJ, "pin_submit.png"); //$NON-NLS-1$

	public static final ImageDescriptor COMMENT_EDIT = create(T_OBJ, "ico_small_edit.gif"); //$NON-NLS-1$

	public static final ImageDescriptor COMMENT_DELETE = create(T_OBJ, "ico_small_delete.gif"); //$NON-NLS-1$

	public static final ImageDescriptor COMMENT_POST = create(T_OBJ, "ico_small_publish.gif"); //$NON-NLS-1$

	public static final ImageDescriptor JOIN = create(T_OBJ, "pin_join.png"); //$NON-NLS-1$

	public static final ImageDescriptor LEAVE = create(T_OBJ, "pin_leave.png"); //$NON-NLS-1$

	public static final ImageDescriptor APPROVE = create(T_OBJ, "pin_approve.png"); //$NON-NLS-1$

	public static final ImageDescriptor SET_REVIEWERS = create(T_OBJ, "pin_setreviewers.png"); //$NON-NLS-1$

	public static final ImageDescriptor POST = create(T_OBJ, "pin_submit.png"); //$NON-NLS-1$

	public static final ImageDescriptor FILE = create(T_OBJ, "file_obj.gif"); //$NON-NLS-1$

	public static final ImageDescriptor CHANGESET = create(T_OBJ, "changeset_obj.gif"); //$NON-NLS-1$

	public static final ImageDescriptor ADD_CHANGESET = create(T_OBJ, "add_changeset.gif"); //$NON-NLS-1$

	public static final ImageDescriptor ADD_PATCH = create(T_OBJ, "add_patch.gif"); //$NON-NLS-1$

	public static final ImageDescriptor DEFAULT_AVATAR = create(T_OBJ, "default_avatar.png"); //$NON-NLS-1$

	public static final ImageDescriptor DEFAULT_AVATAR_LARGE = create(T_OBJ, "default_avatar-large.png"); //$NON-NLS-1$

	public static final ImageDescriptor OVR_DELETED = create(OVR, "deleted.png"); //$NON-NLS-1$

	public static final ImageDescriptor OVR_ADDED = create(OVR, "added.png"); //$NON-NLS-1$

	public static final ImageDescriptor PUBLISH_DRAFT_COMMENTS = create(T_OBJ, "ico_comment_toggle_read.png"); //$NON-NLS-1$

	public static final ImageDescriptor ADD_FILE_COMMENT = create(T_OBJ, "pin_filecomment.png"); //$NON-NLS-1$

	/**
	 * this icon is borrowed from org.eclipse.ui (access scope is there internal, so I don't want to have compilation warning
	 * just because of it
	 */
	public static final ImageDescriptor OVR_MODIFIED = create(OVR, "dirty_ov.gif"); //$NON-NLS-1$

	private CrucibleImages() {
	}

	private static ImageDescriptor create(String prefix, String name) {
		try {
			return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name));
		} catch (MalformedURLException e) {
			return ImageDescriptor.getMissingImageDescriptor();
		}
	}

	private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException {
		if (BASE_URL == null) {
			throw new MalformedURLException();
		}

		StringBuffer buffer = new StringBuffer(prefix);
		buffer.append('/');
		buffer.append(name);
		return new URL(BASE_URL, buffer.toString());
	}

	private static ImageRegistry getImageRegistry() {
		if (imageRegistry == null) {
			imageRegistry = new ImageRegistry();
		}

		return imageRegistry;
	}

	public static Image getImage(ImageDescriptor imageDescriptor) {
		ImageRegistry registry = getImageRegistry();

		Image image = registry.get("" + imageDescriptor.hashCode());
		if (image == null) {
			image = imageDescriptor.createImage();
			registry.put("" + imageDescriptor.hashCode(), image);
		}
		return image;
	}

}