org.eclipse.e4.demo.contacts.handlers.SaveHandler.java Source code

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Here is the source code for org.eclipse.e4.demo.contacts.handlers.SaveHandler.java

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/*******************************************************************************
 * Copyright (c) 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.e4.demo.contacts.handlers;

import java.lang.reflect.InvocationTargetException;
import javax.inject.Named;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.di.Persist;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.e4.ui.workbench.modeling.EPartService;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Shell;

public class SaveHandler {

    @CanExecute
    public boolean canExecute(EPartService partService) {
        MPart details = partService.findPart("DetailsView");
        return details.isDirty();
    }

    @Execute
    public void execute(IEclipseContext context, @Optional IStylingEngine engine,
            @Named(IServiceConstants.ACTIVE_SHELL) Shell shell, final EPartService partService)
            throws InvocationTargetException, InterruptedException {
        final MPart details = partService.findPart("DetailsView");
        final IEclipseContext pmContext = context.createChild();

        ProgressMonitorDialog dialog = new ProgressMonitorDialog(shell);
        dialog.open();

        ThemeUtil.applyDialogStyles(engine, dialog.getShell());

        dialog.run(true, true, new IRunnableWithProgress() {
            public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                pmContext.set(IProgressMonitor.class.getName(), monitor);
                Object clientObject = details.getObject();
                ContextInjectionFactory.invoke(clientObject, Persist.class, pmContext, null);
            }
        });

        if (pmContext != null)
            pmContext.dispose();
    }

}