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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
* William Chen (Wind River) - [345387] Open the remote files with a proper editor
* William Chen (Wind River) - [345552] Edit the remote files with a proper editor
* William Chen (Wind River) - [361324] Add more file operations in the file system
* system of Target Explorer.
*******************************************************************************/
package org.eclipse.tcf.te.tcf.filesystem.activator;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Hashtable;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.IExecutionListener;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tcf.te.tcf.filesystem.internal.ImageConsts;
import org.eclipse.tcf.te.tcf.filesystem.internal.autosave.SaveAllListener;
import org.eclipse.tcf.te.tcf.filesystem.internal.autosave.SaveListener;
import org.eclipse.tcf.te.tcf.filesystem.internal.handlers.PersistenceManager;
import org.eclipse.tcf.te.tcf.filesystem.internal.operations.FSClipboard;
import org.eclipse.tcf.te.tcf.filesystem.internal.url.TcfURLConnection;
import org.eclipse.tcf.te.tcf.filesystem.model.FSModel;
import org.eclipse.tcf.te.ui.jface.images.AbstractImageDescriptor;
import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.url.AbstractURLStreamHandlerService;
import org.osgi.service.url.URLConstants;
import org.osgi.service.url.URLStreamHandlerService;
/**
* The activator class controls the plug-in life cycle
*/
public class UIPlugin extends AbstractUIPlugin {
// The shared instance of this plug-in.
private static UIPlugin plugin;
// The service registration for the "tcf" URL stream handler.
private ServiceRegistration<?> regURLStreamHandlerService;
// The listener which listens to command "SAVE" and synchronize the local file with the target.
private IExecutionListener saveListener;
// The listener which listens to command "SAVE ALL" and synchronize the local file with the target.
private IExecutionListener saveAllListener;
// The shared instance of Clipboard
private FSClipboard clipboard;
/**
* The constructor
*/
public UIPlugin() {
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static UIPlugin getDefault() {
return plugin;
}
/**
* Convenience method which returns the unique identifier of this plugin.
*/
public static String getUniqueIdentifier() {
if (getDefault() != null && getDefault().getBundle() != null) {
return getDefault().getBundle().getSymbolicName();
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
clipboard = new FSClipboard();
// Register the "tcf" URL stream handler service.
Hashtable<String, String[]> properties = new Hashtable<String, String[]>();
properties.put(URLConstants.URL_HANDLER_PROTOCOL, new String[] { TcfURLConnection.PROTOCOL_SCHEMA });
regURLStreamHandlerService = context.registerService(
URLStreamHandlerService.class.getName(),
new AbstractURLStreamHandlerService() {
@Override
public URLConnection openConnection(URL u) throws IOException {
return new TcfURLConnection(u);
}
}, properties);
// Add the two execution listeners to command "SAVE" and "SAVE ALL".
ICommandService commandService = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);
if (commandService != null) {
saveListener = new SaveListener();
Command saveCmd = commandService.getCommand(IWorkbenchCommandConstants.FILE_SAVE);
saveCmd.addExecutionListener(saveListener);
saveAllListener = new SaveAllListener();
Command saveAllCmd = commandService.getCommand(IWorkbenchCommandConstants.FILE_SAVE_ALL);
saveAllCmd.addExecutionListener(saveAllListener);
}
}
/**
* Get the shared instance of clipboard
*/
public FSClipboard getClipboard() {
return clipboard;
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
PersistenceManager.getInstance().dispose();
FSModel.getInstance().dispose();
if (regURLStreamHandlerService != null) {
// When URL stream handler service is unregistered, any URL related operation will be invalid.
regURLStreamHandlerService.unregister();
regURLStreamHandlerService = null;
}
// Remove the two execution listeners.
ICommandService commandService = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class);
if (commandService != null) {
Command saveCmd = commandService.getCommand(IWorkbenchCommandConstants.FILE_SAVE);
saveCmd.removeExecutionListener(saveListener);
Command saveAllCmd = commandService.getCommand(IWorkbenchCommandConstants.FILE_SAVE_ALL);
saveAllCmd.removeExecutionListener(saveAllListener);
}
clipboard = null;
plugin = null;
super.stop(context);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
*/
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
URL url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "folder.gif"); //$NON-NLS-1$
registry.put(ImageConsts.FOLDER, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "rootdrive.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ROOT_DRIVE, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "rootdriveopen.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ROOT_DRIVE_OPEN, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "synch_synch.gif"); //$NON-NLS-1$
registry.put(ImageConsts.COMPARE_EDITOR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ32 + "replace_confirm.png"); //$NON-NLS-1$
registry.put(ImageConsts.REPLACE_FOLDER_CONFIRM, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ32 + "delete_readonly.png"); //$NON-NLS-1$
registry.put(ImageConsts.DELETE_READONLY_CONFIRM, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "ovr_cut.png"); //$NON-NLS-1$
registry.put(ImageConsts.CUT_DECORATOR_IMAGE, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ32 + "banner.png"); //$NON-NLS-1$
registry.put(ImageConsts.BANNER_IMAGE, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "error.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ERROR_IMAGE, ImageDescriptor.createFromURL(url));
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>Image</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>Image</code> object instance or <code>null</code>.
*/
public static Image getImage(String key) {
return getDefault().getImageRegistry().get(key);
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>ImageDescriptor</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>ImageDescriptor</code> object instance or <code>null</code>.
*/
public static ImageDescriptor getImageDescriptor(String key) {
return getDefault().getImageRegistry().getDescriptor(key);
}
/**
* Loads the image given by the specified image descriptor from the image
* registry. If the image has been loaded ones before already, the cached
* <code>Image</code> object instance is returned. Otherwise, the <code>
* Image</code> object instance will be created and cached before returned.
*
* @param descriptor The image descriptor.
* @return The corresponding <code>Image</code> object instance or <code>null</code>.
*/
public static Image getSharedImage(AbstractImageDescriptor descriptor) {
ImageRegistry registry = getDefault().getImageRegistry();
String imageKey = descriptor.getDecriptorKey();
Image image = registry.get(imageKey);
if (image == null) {
registry.put(imageKey, descriptor);
image = registry.get(imageKey);
}
return image;
}
}
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