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/*******************************************************************************
* Copyright (c) 2011, 2012 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
* Max Weninger (Wind River) - [361363] [TERMINALS] Implement "Pin&Clone" for the "Terminals" view
*******************************************************************************/
package org.eclipse.tcf.te.ui.terminals.activator;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tcf.te.runtime.preferences.ScopedEclipsePreferences;
import org.eclipse.tcf.te.runtime.tracing.TraceHandler;
import org.eclipse.tcf.te.ui.terminals.interfaces.ImageConsts;
import org.eclipse.tcf.te.ui.terminals.view.TerminalsView;
import org.eclipse.tcf.te.ui.terminals.view.TerminalsViewMementoHandler;
import org.eclipse.tm.internal.terminal.control.ITerminalViewControl;
import org.eclipse.tm.internal.terminal.provisional.api.TerminalState;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchListener;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
@SuppressWarnings("restriction")
public class UIPlugin extends AbstractUIPlugin {
// The shared instance
private static UIPlugin plugin;
// The scoped preferences instance
private static volatile ScopedEclipsePreferences scopedPreferences;
// The trace handler instance
private static volatile TraceHandler traceHandler;
// The workbench listener instance
private IWorkbenchListener listener;
/**
* 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 "org.eclipse.tcf.te.ui.terminals"; //$NON-NLS-1$
}
/**
* Return the scoped preferences for this plugin.
*/
public static ScopedEclipsePreferences getScopedPreferences() {
if (scopedPreferences == null) {
scopedPreferences = new ScopedEclipsePreferences(getUniqueIdentifier());
}
return scopedPreferences;
}
/**
* Returns the bundles trace handler.
*
* @return The bundles trace handler.
*/
public static TraceHandler getTraceHandler() {
if (traceHandler == null) {
traceHandler = new TraceHandler(getUniqueIdentifier());
}
return traceHandler;
}
/* (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;
// Create and register the workbench listener instance
listener = new IWorkbenchListener() {
@Override
public boolean preShutdown(IWorkbench workbench, boolean forced) {
// Find all "Terminals" views
IViewReference[] refs = workbench.getActiveWorkbenchWindow().getActivePage().getViewReferences();
for (IViewReference ref : refs) {
IViewPart part = ref.getView(false);
if (part instanceof TerminalsView) {
/*
* The terminal tabs to save to the views memento on shutdown can
* be determined only _before_ the saveState(memento) method of the
* view is called. Within saveState, it is already to late and the
* terminals might be in CLOSED state already. This depends on the
* terminal type and the corresponding connector implementation.
*
* To be safe, we determine the still opened terminals on shutdown
* separately here in the preShutdown.
*/
final List<CTabItem> saveables = new ArrayList<CTabItem>();
// Get the tab folder
CTabFolder tabFolder = (CTabFolder)((TerminalsView)part).getAdapter(CTabFolder.class);
if (tabFolder != null && !tabFolder.isDisposed()) {
// Get the list of tab items
CTabItem[] items = tabFolder.getItems();
// Loop the tab items and find the still connected ones
for (CTabItem item : items) {
// Ignore disposed items
if (item.isDisposed()) continue;
// Get the terminal view control
ITerminalViewControl terminal = (ITerminalViewControl)item.getData();
if (terminal == null || terminal.getState() != TerminalState.CONNECTED) {
continue;
}
// Still connected -> Add to the list
saveables.add(item);
}
}
// Push the determined saveable items to the memento handler
TerminalsViewMementoHandler mementoHandler = (TerminalsViewMementoHandler)((TerminalsView)part).getAdapter(TerminalsViewMementoHandler.class);
if (mementoHandler != null) mementoHandler.setSaveables(saveables);
}
}
return true;
}
@Override
public void postShutdown(IWorkbench workbench) {
}
};
PlatformUI.getWorkbench().addWorkbenchListener(listener);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
plugin = null;
scopedPreferences = null;
traceHandler = null;
if (listener != null) { PlatformUI.getWorkbench().removeWorkbenchListener(listener); listener = null; }
super.stop(context);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
*/
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
Bundle bundle = Platform.getBundle("org.eclipse.ui.console"); //$NON-NLS-1$
if (bundle != null) {
URL url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_EVIEW + "console_view.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.VIEW_Terminals, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_CLCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Hover, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_ELCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Enabled, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_DLCL + "lock_co.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_ScrollLock_Disabled, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_CLCL + "pin.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_PinTerminal_Hover, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_ELCL + "pin.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_PinTerminal_Enabled, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + "full/" + ImageConsts.IMAGE_DIR_DLCL + "pin.gif"); //$NON-NLS-1$ //$NON-NLS-2$
registry.put(ImageConsts.ACTION_PinTerminal_Disabled, ImageDescriptor.createFromURL(url));
}
bundle = getBundle();
URL url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_CLCL + "command_input_field.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ACTION_ToggleCommandField_Hover, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_ELCL + "command_input_field.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ACTION_ToggleCommandField_Enabled, ImageDescriptor.createFromURL(url));
url = bundle.getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_DLCL + "command_input_field.gif"); //$NON-NLS-1$
registry.put(ImageConsts.ACTION_ToggleCommandField_Disabled, 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);
}
}
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