Java Code Examples for org.eclipse.jface.resource.ImageDescriptor#getMissingImageDescriptor()

/**
 * Register an image from the workspace shared image pool. If the image
 * resource does not exist or fails to load, a default "error" resource is
 * supplied.
 * 
 * @param name name of the image
 * @param sharedName name of the shared image ({@link ISharedImages})
 * @return whether the image has correctly been loaded
 */
private boolean newSharedImage(String name, String sharedName) {
  boolean success = true;
  ImageDescriptor id = getSharedByName(sharedName);

  if (id == null) {
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

/**
 * Returns the image associated with the given image descriptor.
 * 
 * @param descriptor
 *            the image descriptor for which the helper manages an image, or <code>null</code> for a missing image
 *            descriptor
 * @return the image associated with the image descriptor or <code>null</code> if the image descriptor can't create
 *         the requested image.
 */
@Override
public Image getImage(ImageDescriptor descriptor) {
	if (descriptor == null) {
		descriptor = ImageDescriptor.getMissingImageDescriptor();
	}

	Image result = registry.get(descriptor);
	if (result != null) {
		return result;
	}
	result = descriptor.createImage();
	if (result != null) {
		registry.put(descriptor, result);
	}
	return result;
}
 

/**
 * Load and register a new image. If the image resource does not exist or
 * fails to load, a default "error" resource is supplied.
 * 
 * @param name name of the image
 * @param filename name of the file containing the image
 * @return whether the image has correctly been loaded
 */
private boolean newImage(String name, String filename) {
  ImageDescriptor id;
  boolean success;

  try {
    URL fileURL =
        FileLocator.find(bundle, new Path(RESOURCE_DIR + filename), null);
    id = ImageDescriptor.createFromURL(FileLocator.toFileURL(fileURL));
    success = true;

  } catch (Exception e) {

    e.printStackTrace();
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

/**
 * Register an image from the workspace shared image pool. If the image
 * resource does not exist or fails to load, a default "error" resource is
 * supplied.
 * 
 * @param name name of the image
 * @param sharedName name of the shared image ({@link ISharedImages})
 * @return whether the image has correctly been loaded
 */
private boolean newPluginImage(String name, String pluginId,
    String filename) {

  boolean success = true;
  ImageDescriptor id =
      AbstractUIPlugin.imageDescriptorFromPlugin(pluginId, filename);

  if (id == null) {
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

/**
 * Register an image from the workspace shared image pool. If the image
 * resource does not exist or fails to load, a default "error" resource is
 * supplied.
 * 
 * @param name name of the image
 * @param sharedName name of the shared image ({@link ISharedImages})
 * @return whether the image has correctly been loaded
 */
private boolean newSharedImage(String name, String sharedName) {
  boolean success = true;
  ImageDescriptor id = getSharedByName(sharedName);

  if (id == null) {
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

public ImageDescriptor descriptor() {
	if (descriptor == null) {
		final Image image = GamaIcons.getInstance().getImageInCache(code);
		if (image != null) {
			descriptor = ImageDescriptor.createFromImage(image);
		} else {
			descriptor = AbstractUIPlugin.imageDescriptorFromPlugin(plugin, GamaIcons.DEFAULT_PATH + path + ".png");
		}

		if (descriptor == null) {
			DEBUG.ERR("ERROR: Cannot find icon " + GamaIcons.DEFAULT_PATH + path + ".png in plugin: " + plugin);
			descriptor = ImageDescriptor.getMissingImageDescriptor();
		}
	}
	return descriptor;
}
 

/**
 * Load and register a new image. If the image resource does not exist or
 * fails to load, a default "error" resource is supplied.
 * 
 * @param name name of the image
 * @param filename name of the file containing the image
 * @return whether the image has correctly been loaded
 */
private boolean newImage(String name, String filename) {
  ImageDescriptor id;
  boolean success;

  try {
    URL fileURL =
        FileLocator.find(bundle, new Path(RESOURCE_DIR + filename), null);
    id = ImageDescriptor.createFromURL(FileLocator.toFileURL(fileURL));
    success = true;

  } catch (Exception e) {

    e.printStackTrace();
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

/**
 * Register an image from the workspace shared image pool. If the image
 * resource does not exist or fails to load, a default "error" resource is
 * supplied.
 * 
 * @param name name of the image
 * @param sharedName name of the shared image ({@link ISharedImages})
 * @return whether the image has correctly been loaded
 */
private boolean newPluginImage(String name, String pluginId,
    String filename) {

  boolean success = true;
  ImageDescriptor id =
      AbstractUIPlugin.imageDescriptorFromPlugin(pluginId, filename);

  if (id == null) {
    id = ImageDescriptor.getMissingImageDescriptor();
    // id = getSharedByName(ISharedImages.IMG_OBJS_ERROR_TSK);
    success = false;
  }

  descMap.put(name, id);
  imageMap.put(name, id.createImage(true));

  return success;
}
 

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

/**
 * Returns an image descriptor for the image file at the given plug-in relative
 * path.
 *
 * @param path the path
 * @return the image descriptor
 */
public static ImageDescriptor getImageDescriptor(String path) {
	try {
		return AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.nebula.examples", path);
	} catch (Throwable e) {
		return ImageDescriptor.getMissingImageDescriptor();
	}
}
 

public static ImageDescriptor getImageDescriptor(final String imageName, final AbstractUIPlugin plugin) {
    ImageDescriptor desc;
    try {
        desc = ImageDescriptor.createFromURL(
                new URL(
                        plugin.getBundle().getResource("/"), //$NON-NLS-1$
                        "icons/" + imageName)); //$NON-NLS-1$
    } catch (final MalformedURLException e) {
        desc = ImageDescriptor.getMissingImageDescriptor();
    }

    return desc;
}
 

public static ImageDescriptor getImageDescriptor(String name){
	try {
		URL installURL = getDefault().getDescriptor().getInstallURL();
		URL iconURL = new URL(installURL, ISootConstants.ICON_PATH + name);
		return ImageDescriptor.createFromURL(iconURL);
	}
	catch (MalformedURLException e){
		return ImageDescriptor.getMissingImageDescriptor();
	}
}
 

/**
 * Return the image descriptor with the given key.
 * 
 * @param key
 *            java.lang.String
 * @return org.eclipse.jface.resource.ImageDescriptor
 */
public static ImageDescriptor getImageDescriptor(String key) {
	initializeIfNeeded();
	ImageDescriptor id = imageDescriptors.get(key);
	if (id != null)
		return id;

	return ImageDescriptor.getMissingImageDescriptor();
}
 

/**
 * Returns an image from the file at the given plug-in relative path.
 *
 * @param path
 * @return image; the returned image <b>MUST be disposed after usage</b> to free up memory
 */
public static Image getImage(final String path) {
  ImageDescriptor descriptor = getImageDescriptor(path);

  if (descriptor == null) {
    log.warn(
        "could not create image for path '"
            + path
            + "', either the file does not exists or the format is not supported");
    descriptor = ImageDescriptor.getMissingImageDescriptor();
  }

  return new Image(Display.getDefault(), descriptor.getImageData());
}
 

private static void declareRegistryImage(String key, String path) {
       ImageDescriptor desc = ImageDescriptor.getMissingImageDescriptor();
       try {
           desc = ImageDescriptor.createFromURL(makeIconFileURL(path));
       } catch(MalformedURLException me) {
           LogViewerPlugin.getDefault().showErrorMessage(me);
       }
       imageRegistry.put(key, desc);
}
 

public static ImageDescriptor createImageDescriptor(Bundle bundle, IPath path, boolean useMissingImageDescriptor)
{
	URL url = FileLocator.find(bundle, path, null);
	if (url != null)
	{
		return ImageDescriptor.createFromURL(url);
	}
	if (useMissingImageDescriptor)
	{
		return ImageDescriptor.getMissingImageDescriptor();
	}
	return null;
}
 

public static ImageDescriptor createImageDescriptor(Bundle bundle, IPath path, boolean useMissingImageDescriptor) {
	URL url= FileLocator.find(bundle, path, null);
	if (url != null) {
		return ImageDescriptor.createFromURL(url);
	}
	if (useMissingImageDescriptor) {
		return ImageDescriptor.getMissingImageDescriptor();
	}
	return null;
}
 

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

/**
 * Returns the image descriptor with the given relative path.
 */
protected ImageDescriptor getImageDescriptor(String relativePath) {
	String iconPath = "icons/full/"; //$NON-NLS-1$ 
	URL url = FileLocator.find(WorkbenchNavigatorPlugin.getDefault().getBundle(), new Path(iconPath + relativePath), Collections.EMPTY_MAP);
	if (url == null) {
		return ImageDescriptor.getMissingImageDescriptor();
	}
	return ImageDescriptor.createFromURL(url);
}
 

public ImageDescriptor getImageDescriptor() {
	return ImageDescriptor.getMissingImageDescriptor();
}