CALConsolePageParticipant.java

/*******************************************************************************
 * Copyright (c) 2007 Business Objects Software Limited and others.
 * All rights reserved. 
 * This file is 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:
 *     Business Objects Software Limited - initial API and implementation
 *******************************************************************************/

/*
 * CALConsolePageParticipant.java
 * Created: Jul 24, 2007
 * By: Edward Lam
 */

package org.openquark.cal.eclipse.ui.console;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleConstants;
import org.eclipse.ui.console.IConsolePageParticipant;
import org.eclipse.ui.console.actions.CloseConsoleAction;
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;


/**
 * Page participant to activate console actions
 * @author Edward Lam
 */
public class CALConsolePageParticipant implements IConsolePageParticipant {

    private IHandlerActivation fHandlerActivation;
    private IContextActivation fContextActivation;

    private CloseConsoleAction fCloseAction;
    private TerminateConsoleExecutionAction terminateConsoleExecutionAction;

    /**
     * {@inheritDoc}
     */
    public void init(IPageBookViewPage page, IConsole console) {
        fCloseAction = new CloseConsoleAction(console);

        IToolBarManager manager = page.getSite().getActionBars().getToolBarManager();
        manager.appendToGroup(IConsoleConstants.LAUNCH_GROUP, fCloseAction);

        terminateConsoleExecutionAction = new TerminateConsoleExecutionAction((CALConsole)console);
        manager.appendToGroup(IConsoleConstants.LAUNCH_GROUP, terminateConsoleExecutionAction);
    }

    /**
     * {@inheritDoc}
     */
    public void dispose() {
        deactivated();
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("unchecked")
    public Object getAdapter(Class adapter) {
        return null;
    }

    /**
     * {@inheritDoc}
     */
    public void activated() {
        // add EOF submissions
        IWorkbench workbench = PlatformUI.getWorkbench();
        IHandlerService handlerService = (IHandlerService) workbench.getAdapter(IHandlerService.class);
        
        IHandler terminateExecutionHandler = new AbstractHandler() {
            public Object execute(ExecutionEvent event) throws ExecutionException {
                terminateConsoleExecutionAction.run(null);
                return null;
            }
        };
        
        fHandlerActivation = handlerService.activateHandler("org.openquark.cal.eclipse.ui.console.terminateexecution", terminateExecutionHandler); //$NON-NLS-1$
                
        IContextService contextService = (IContextService) workbench.getAdapter(IContextService.class);
        fContextActivation = contextService.activateContext("org.openquark.cal.eclipse.ui.calEditorScope"); //$NON-NLS-1$
    }

    /**
     * {@inheritDoc}
     */
    public void deactivated() {
        // remove EOF submissions
        IWorkbench workbench = PlatformUI.getWorkbench();
        IHandlerService handlerService = (IHandlerService)workbench.getAdapter(IHandlerService.class);
        handlerService.deactivateHandler(fHandlerActivation);
        IContextService contextService = (IContextService)workbench.getAdapter(IContextService.class);
        contextService.deactivateContext(fContextActivation);
    }

}