Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2009 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.eclipse.dltk.internal.debug.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.dltk.debug.ui.DLTKDebugUIPlugin; import org.eclipse.dltk.debug.ui.ScriptDebugConsole; 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; /** * Creates and manages process console specific actions */ public class ScriptDebugConsolePageParticipant implements IConsolePageParticipant, IShowInSource, IShowInTargetList, IDebugEventSetListener, IDebugContextListener { // actions private ConsoleTerminateAction fTerminate; private ConsoleRemoveLaunchAction fRemoveTerminated; private ConsoleRemoveAllTerminatedAction fRemoveAllTerminated; // private ShowWhenContentChangesAction fStdOut; // private ShowWhenContentChangesAction fStdErr; private ScriptDebugConsole fConsole; private IPageBookViewPage fPage; private IConsoleView fView; private EOFHandler fEOFHandler; private 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 { public Object execute(ExecutionEvent event) throws org.eclipse.core.commands.ExecutionException { IStreamsProxy proxy = getProcess().getStreamsProxy(); if (proxy instanceof IStreamsProxy2) { IStreamsProxy2 proxy2 = (IStreamsProxy2) proxy; try { proxy2.closeInputStream(); } catch (IOException e1) { } } return null; } } /* * (non-Javadoc) * * @see * org.eclipse.ui.console.IConsolePageParticipant#init(IPageBookViewPage, * IConsole) */ public void init(IPageBookViewPage page, IConsole console) { fPage = page; fConsole = (ScriptDebugConsole) console; fRemoveTerminated = new ConsoleRemoveLaunchAction(fConsole.getLaunch()); fRemoveAllTerminated = new ConsoleRemoveAllTerminatedAction(); fTerminate = new ConsoleTerminateAction(page.getSite().getWorkbenchWindow(), fConsole); // fStdOut = new ShowStandardOutAction(); // fStdErr = new ShowStandardErrorAction(); fView = (IConsoleView) fPage.getSite().getPage().findView(IConsoleConstants.ID_CONSOLE_VIEW); DebugPlugin.getDefault().addDebugEventListener(this); DebugUITools.getDebugContextManager().getContextService(fPage.getSite().getWorkbenchWindow()) .addDebugContextListener(this); // contribute to toolbar IActionBars actionBars = fPage.getSite().getActionBars(); configureToolBar(actionBars.getToolBarManager()); // create handler and submissions for EOF fEOFHandler = new EOFHandler(); } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#dispose() */ 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; // } // if (fStdErr != null) { // fStdErr.dispose(); // fStdErr = null; // } fConsole = null; } /** * Contribute actions to the toolbar */ protected void configureToolBar(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); // mgr.appendToGroup(IConsoleConstants.OUTPUT_GROUP, fStdErr); } /* * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class) */ public Object getAdapter(@SuppressWarnings("unchecked") Class required) { if (IShowInSource.class.equals(required)) { return this; } if (IShowInTargetList.class.equals(required)) { return this; } // CONTEXTLAUNCHING if (ILaunchConfiguration.class.equals(required)) { ILaunch launch = fConsole.getLaunch(); if (launch != null) { return launch.getLaunchConfiguration(); } return null; } return null; } /* * (non-Javadoc) * * @see org.eclipse.ui.part.IShowInSource#getShowInContext() */ public ShowInContext getShowInContext() { IProcess process = getProcess(); if (process == null) { return null; } 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); } /* * @see org.eclipse.ui.part.IShowInTargetList#getShowInTargetIds() */ public String[] getShowInTargetIds() { return new String[] { IDebugUIConstants.ID_DEBUG_VIEW }; } /* * @see IDebugEventSetListener#handleDebugEvents(DebugEvent[]) */ public void handleDebugEvents(DebugEvent[] events) { for (int i = 0; i < events.length; i++) { DebugEvent event = events[i]; if (event.getSource().equals(getProcess())) { Runnable r = new Runnable() { public void run() { if (fTerminate != null) { fTerminate.update(); } } }; DLTKDebugUIPlugin.getStandardDisplay().asyncExec(r); } } } protected IProcess getProcess() { return fConsole != null ? fConsole.getProcess() : null; } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#activated() */ public void activated() { // add EOF submissions IPageSite site = fPage.getSite(); IHandlerService handlerService = (IHandlerService) site.getService(IHandlerService.class); IContextService contextService = (IContextService) site.getService(IContextService.class); fActivatedContext = contextService.activateContext(fContextId); fActivatedHandler = handlerService.activateHandler("org.eclipse.debug.ui.commands.eof", fEOFHandler); //$NON-NLS-1$ } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#deactivated() */ public void deactivated() { // remove EOF submissions IPageSite site = fPage.getSite(); IHandlerService handlerService = (IHandlerService) site.getService(IHandlerService.class); IContextService contextService = (IContextService) site.getService(IContextService.class); handlerService.deactivateHandler(fActivatedHandler); contextService.deactivateContext(fActivatedContext); } /* * @see IDebugContextListener#contextEvent(DebugContextEvent) */ public void debugContextChanged(DebugContextEvent event) { if ((event.getFlags() & DebugContextEvent.ACTIVATED) > 0) { final IProcess process = getProcess(); if (process != null) { if (fView != null && process.equals(DebugUITools.getCurrentProcess())) { fView.display(fConsole); } } } } }