Java tutorial
/******************************************************************************* * Copyright (c) 2013 Christian Pontesegger 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: * Christian Pontesegger - initial API and implementation *******************************************************************************/ package org.eclipse.ease.ui.console; import java.io.IOException; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.debug.core.DebugPlugin; 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.ease.ui.console.actions.RemoveAllTerminatedConsolesAction; import org.eclipse.ease.ui.console.actions.RemoveCurrentConsoleAction; import org.eclipse.ease.ui.console.actions.ShowStandardErrorAction; import org.eclipse.ease.ui.console.actions.ShowStandardOutAction; import org.eclipse.ease.ui.console.actions.ShowWhenContentChangesAction; import org.eclipse.ease.ui.console.actions.TerminateConsoleAction; 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 JavaScript console specific actions * */ public class ScriptConsolePageParticipant implements IConsolePageParticipant, IShowInSource, IShowInTargetList, IDebugContextListener { // actions private TerminateConsoleAction fTerminate; private RemoveCurrentConsoleAction fRemoveTerminated; private RemoveAllTerminatedConsolesAction fRemoveAllTerminated; private ShowWhenContentChangesAction fStdOut; private ShowWhenContentChangesAction fStdErr; private ScriptConsole fConsole; private IPageBookViewPage fPage; private IConsoleView fView; private EOFHandler fEOFHandler; private final 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; } } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#init(IPageBookViewPage, IConsole) */ @Override public void init(final IPageBookViewPage page, final IConsole console) { fPage = page; fConsole = (ScriptConsole) console; fConsole.setPageParticipant(this); fRemoveTerminated = new RemoveCurrentConsoleAction(fConsole); fRemoveAllTerminated = new RemoveAllTerminatedConsolesAction(); fTerminate = new TerminateConsoleAction(page.getSite().getWorkbenchWindow(), fConsole); fStdOut = new ShowStandardOutAction(console); fStdErr = new ShowStandardErrorAction(console); fView = (IConsoleView) fPage.getSite().getPage().findView(IConsoleConstants.ID_CONSOLE_VIEW); 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(); } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#dispose() */ @Override public void dispose() { fConsole.setPageParticipant(null); DebugUITools.getDebugContextManager().getContextService(fPage.getSite().getWorkbenchWindow()) .removeDebugContextListener(this); fRemoveTerminated = null; 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(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); mgr.appendToGroup(IConsoleConstants.OUTPUT_GROUP, fStdErr); } /* * (non-Javadoc) * * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class) */ @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; } /* * (non-Javadoc) * * @see org.eclipse.ui.part.IShowInSource#getShowInContext() */ @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); } /* * (non-Javadoc) * * @see org.eclipse.ui.part.IShowInTargetList#getShowInTargetIds() */ @Override public String[] getShowInTargetIds() { return new String[] { IDebugUIConstants.ID_DEBUG_VIEW }; } protected IProcess getProcess() { // FIXME implement // return fConsole != null ? fConsole.getProcess() : null; return null; } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#activated() */ @Override public void activated() { // add EOF submissions final IPageSite site = fPage.getSite(); if ((fActivatedContext == null) && (fActivatedHandler == null)) { 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); //$NON-NLS-1$ } } /* * (non-Javadoc) * * @see org.eclipse.ui.console.IConsolePageParticipant#deactivated() */ @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); fActivatedContext = null; fActivatedHandler = null; } /* * (non-Javadoc) * * @see * org.eclipse.debug.internal.ui.contexts.provisional.IDebugContextListener#contextEvent(org.eclipse.debug.internal.ui.contexts.provisional. * DebugContextEvent * ) */ @Override public void debugContextChanged(final DebugContextEvent event) { if ((event.getFlags() & DebugContextEvent.ACTIVATED) > 0) { if ((fView != null) && (getProcess() != null) && getProcess().equals(DebugUITools.getCurrentProcess())) { fView.display(fConsole); } } } public void engineChanged() { if (fTerminate != null) fTerminate.update(); } }