/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.erlide.ui.console;
import java.io.IOException;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.core.model.IStreamsProxy;
import org.eclipse.debug.core.model.IStreamsProxy2;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.contexts.DebugContextEvent;
import org.eclipse.debug.ui.contexts.IDebugContextListener;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsolePageParticipant;
import org.eclipse.ui.console.IConsoleView;
import org.eclipse.ui.contexts.IContextActivation;
import org.eclipse.ui.contexts.IContextService;
import org.eclipse.ui.handlers.IHandlerActivation;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.part.IPageBookViewPage;
import org.eclipse.ui.part.IPageSite;
import org.eclipse.ui.part.IShowInSource;
import org.eclipse.ui.part.IShowInTargetList;
import org.eclipse.ui.part.ShowInContext;
import org.erlide.ui.console.actions.ConsoleRemoveAllTerminatedAction;
import org.erlide.ui.console.actions.ConsoleRemoveLaunchAction;
import org.erlide.ui.console.actions.ConsoleTerminateAction;
import org.erlide.ui.console.actions.ShowStandardOutAction;
import org.erlide.ui.console.actions.ShowWhenContentChangesAction;
import org.erlide.ui.util.DisplayUtils;
/**
* Creates and manages process console specific actions
*
* @since 3.1
*/
public class ConsolePageParticipant implements IConsolePageParticipant, IShowInSource,
IShowInTargetList, IDebugEventSetListener, IDebugContextListener {
// actions
private ConsoleTerminateAction fTerminate;
private ConsoleRemoveLaunchAction fRemoveTerminated;
private ConsoleRemoveAllTerminatedAction fRemoveAllTerminated;
private ShowWhenContentChangesAction fStdOut;
private ErlangConsole fConsole;
private IPageBookViewPage fPage;
private IConsoleView fView;
private EOFHandler fEOFHandler;
private final static String fContextId = "org.eclipse.debug.ui.console"; //$NON-NLS-1$;
private IContextActivation fActivatedContext;
private IHandlerActivation fActivatedHandler;
/**
* Handler to send EOF
*/
private class EOFHandler extends AbstractHandler {
@Override
public Object execute(final ExecutionEvent event)
throws org.eclipse.core.commands.ExecutionException {
final IStreamsProxy proxy = getProcess().getStreamsProxy();
if (proxy instanceof IStreamsProxy2) {
final IStreamsProxy2 proxy2 = (IStreamsProxy2) proxy;
try {
proxy2.closeInputStream();
} catch (final IOException e1) {
}
}
return null;
}
}
@Override
public void init(final IPageBookViewPage page, final IConsole console) {
fPage = page;
fConsole = (ErlangConsole) console;
fTerminate = new ConsoleTerminateAction(fConsole);
fRemoveTerminated = new ConsoleRemoveLaunchAction(fConsole);
fRemoveAllTerminated = new ConsoleRemoveAllTerminatedAction();
fStdOut = new ShowStandardOutAction();
fView = (IConsoleView) fPage.getSite().getPage()
.findView(IConsoleConstants.ID_CONSOLE_VIEW);
fTerminate.update();
DebugPlugin.getDefault().addDebugEventListener(this);
DebugUITools.getDebugContextManager()
.getContextService(fPage.getSite().getWorkbenchWindow())
.addDebugContextListener(this);
// contribute to toolbar
final IActionBars actionBars = fPage.getSite().getActionBars();
configureToolBar(actionBars.getToolBarManager());
// create handler and submissions for EOF
fEOFHandler = new EOFHandler();
}
@Override
public void dispose() {
DebugUITools.getDebugContextManager()
.getContextService(fPage.getSite().getWorkbenchWindow())
.removeDebugContextListener(this);
DebugPlugin.getDefault().removeDebugEventListener(this);
if (fRemoveTerminated != null) {
fRemoveTerminated.dispose();
fRemoveTerminated = null;
}
if (fRemoveAllTerminated != null) {
fRemoveAllTerminated.dispose();
fRemoveAllTerminated = null;
}
if (fTerminate != null) {
fTerminate.dispose();
fTerminate = null;
}
if (fStdOut != null) {
fStdOut.dispose();
fStdOut = null;
}
fConsole = null;
}
/**
* Contribute actions to the toolbar
*/
protected void configureToolBar(final IToolBarManager mgr) {
mgr.appendToGroup(IConsoleConstants.LAUNCH_GROUP, fTerminate);
mgr.appendToGroup(IConsoleConstants.LAUNCH_GROUP, fRemoveTerminated);
mgr.appendToGroup(IConsoleConstants.LAUNCH_GROUP, fRemoveAllTerminated);
mgr.appendToGroup(IConsoleConstants.OUTPUT_GROUP, fStdOut);
}
@Override
public Object getAdapter(final Class required) {
if (IShowInSource.class.equals(required)) {
return this;
}
if (IShowInTargetList.class.equals(required)) {
return this;
}
// CONTEXTLAUNCHING
if (ILaunchConfiguration.class.equals(required)) {
final ILaunch launch = getProcess().getLaunch();
if (launch != null) {
return launch.getLaunchConfiguration();
}
return null;
}
return null;
}
@Override
public ShowInContext getShowInContext() {
final IProcess process = getProcess();
if (process == null) {
return null;
}
final IDebugTarget target = (IDebugTarget) process.getAdapter(IDebugTarget.class);
ISelection selection = null;
if (target == null) {
selection = new TreeSelection(new TreePath(new Object[] {
DebugPlugin.getDefault().getLaunchManager(), process.getLaunch(),
process }));
} else {
selection = new TreeSelection(new TreePath(new Object[] {
DebugPlugin.getDefault().getLaunchManager(), target.getLaunch(),
target }));
}
return new ShowInContext(null, selection);
}
@Override
public String[] getShowInTargetIds() {
return new String[] { IDebugUIConstants.ID_DEBUG_VIEW };
}
@Override
public void handleDebugEvents(final DebugEvent[] events) {
for (int i = 0; i < events.length; i++) {
final DebugEvent event = events[i];
if (event.getSource().equals(getProcess())) {
final Runnable r = new Runnable() {
@Override
public void run() {
if (fTerminate != null) {
fTerminate.update();
}
}
};
DisplayUtils.asyncExec(r);
}
}
}
protected IProcess getProcess() {
return null;
// return fConsole != null ? fConsole.getProcess() : null;
}
@Override
public void activated() {
// add EOF submissions
final IPageSite site = fPage.getSite();
final IHandlerService handlerService = (IHandlerService) site
.getService(IHandlerService.class);
final IContextService contextService = (IContextService) site
.getService(IContextService.class);
fActivatedContext = contextService.activateContext(fContextId);
fActivatedHandler = handlerService.activateHandler(
"org.eclipse.debug.ui.commands.eof", fEOFHandler); //$NON-NLS-1$
}
@Override
public void deactivated() {
// remove EOF submissions
final IPageSite site = fPage.getSite();
final IHandlerService handlerService = (IHandlerService) site
.getService(IHandlerService.class);
final IContextService contextService = (IContextService) site
.getService(IContextService.class);
handlerService.deactivateHandler(fActivatedHandler);
contextService.deactivateContext(fActivatedContext);
}
@Override
public void debugContextChanged(final DebugContextEvent event) {
if ((event.getFlags() & DebugContextEvent.ACTIVATED) > 0) {
final IProcess process = getProcess();
if (fView != null && process != null
&& process.equals(DebugUITools.getCurrentProcess())) {
fView.display(fConsole);
}
}
}
}