tooling/org.eclipse.smila.processing.designer.ui/code/src/org/eclipse/smila/processing/designer/ui/properties/ServiceTypeSection.java

/***********************************************************************************************************************
 * Copyright (c) 2010 Attensity Europe GmbH. 
 * 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
 **********************************************************************************************************************/
package org.eclipse.smila.processing.designer.ui.properties;

import org.eclipse.bpel.common.ui.details.*;
import org.eclipse.bpel.common.ui.details.widgets.DecoratedLabel;
import org.eclipse.bpel.common.ui.flatui.FlatFormAttachment;
import org.eclipse.bpel.common.ui.flatui.FlatFormData;
import org.eclipse.bpel.ui.properties.BPELPropertySection;
import org.eclipse.bpel.ui.properties.EditController;
import org.eclipse.bpel.ui.util.BPELUtil;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.smila.processing.designer.model.processor.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;

/**
 * The type section for the InvokeServlet activity.
 *
 * Copyright (c) 2010 Attensity Europe GmbH
 *
 * @author Tobias Liefke
 */
public class ServiceTypeSection extends BPELPropertySection
{
    private Text typeTextField;
    private EditController typeEditController;

    /**
     * Changes the content of the text field.
     * 
     * @see BPELPropertySection#basicSetInput(EObject)
     */
    @Override
    protected void basicSetInput(EObject input)
    {
        super.basicSetInput(input);

        typeEditController.setInput(input);
    }

    /**
     * Create the components and event handlers.
     * 
     * @see BPELPropertySection#createClient(Composite)
     */
    @Override
    protected void createClient(Composite parent)
    {
        createComponents(parent);
        createChangeTrackers();
    }

    /**
     * Create the components.
     *
     * @param composite the parent
     */
    private void createComponents(Composite parent)
    {
        Composite composite = createFlatFormComposite(parent);

        DecoratedLabel typeLabel = new DecoratedLabel(composite, SWT.LEFT);
        fWidgetFactory.adapt(typeLabel);
        typeLabel.setText("Servicename:");

        typeTextField = fWidgetFactory.createText(composite, EMPTY_STRING);
        FlatFormData data = new FlatFormData();
        data.left = new FlatFormAttachment(0, BPELUtil.calculateLabelWidth(typeLabel, STANDARD_LABEL_WIDTH_AVG));
        data.right = new FlatFormAttachment(100, (-2) * IDetailsAreaConstants.HSPACE);
        data.top = new FlatFormAttachment(0, IDetailsAreaConstants.VSPACE);
        typeTextField.setLayoutData(data);

        data = new FlatFormData();
        data.left = new FlatFormAttachment(0, 0);
        data.right = new FlatFormAttachment(typeTextField, -IDetailsAreaConstants.HSPACE);
        data.top = new FlatFormAttachment(typeTextField, 0, SWT.CENTER);
        typeLabel.setLayoutData(data);

        // TODO Add help reference
        // PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.PROPERTY_PAGE_NAME);
    }

    /**
     * Create the event listeners.
     */
    private void createChangeTrackers()
    {
        typeEditController = new EditController(getCommandFramework())
        {
            @Override
            public boolean checkNotification(Notification notification)
            {
                return notification.getFeatureID(Service.class) == ProcessorPackage.SERVICE__NAME;
            }

            @Override
            public Command createApplyCommand()
            {
                return wrapInShowContextCommand(super.createApplyCommand());
            }

        };
        typeEditController.setLabel(ProcessorPackage.eINSTANCE.getPipelet_Class().getName());

        typeEditController.setViewIValue(new TextIValue(typeTextField));
        typeEditController.setModeIValue(new IValue()
        {
            @Override
            public Object get()
            {
                InvokeService invokeService = (InvokeService) typeEditController.getInput();
                return invokeService == null || invokeService.getService() == null ? "" : invokeService.getService().getName();
            }

            @Override
            public void set(Object object)
            {
                InvokeService invokeService = (InvokeService) typeEditController.getInput();
                if (invokeService != null)
                {
                    invokeService.getService().setName(object.toString());
                }
            }
        });

        typeEditController.startListeningTo(typeTextField);
    }

    /**
     * @see org.eclipse.bpel.ui.properties.BPELPropertySection#getUserContext()
     */
    @Override
    public Object getUserContext()
    {
        return null;
    }

    /**
     * @see BPELPropertySection#restoreUserContext(Object)
     */
    @Override
    public void restoreUserContext(Object userContext)
    {
        typeTextField.setFocus();
    }

}