org.eclipse.emf.ecp.controls.vaadin.internal.XMLDateControlVaadinRenderer.java Source code

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Here is the source code for org.eclipse.emf.ecp.controls.vaadin.internal.XMLDateControlVaadinRenderer.java

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/*******************************************************************************
 * Copyright (c) 2014 Dennis Melzer 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:
 * Dennis - initial API and implementation
 ******************************************************************************/
package org.eclipse.emf.ecp.controls.vaadin.internal;

import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

import javax.xml.datatype.XMLGregorianCalendar;

import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.emf.databinding.EMFUpdateValueStrategy;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.emf.ecp.controls.vaadin.AbstractVaadinSimpleControlRenderer;
import org.eclipse.emf.ecp.controls.vaadin.ECPXMLDateFieldToModelUpdateValueStrategy;

import com.vaadin.ui.Component;
import com.vaadin.ui.DateField;

/**
 * The Vaadin Renderer for a xml date value.
 *
 * @author Dennis Melzer
 *
 */
public class XMLDateControlVaadinRenderer extends AbstractVaadinSimpleControlRenderer {

    @Override
    protected UpdateValueStrategy getModelToTargetStrategy(Component component) {
        return new EMFUpdateValueStrategy() {
            @Override
            public Object convert(Object value) {
                if (value == null) {
                    return null;
                }
                final DateFormat dateInstance = DateFormat.getDateInstance(DateFormat.MEDIUM, Locale.getDefault());

                final XMLGregorianCalendar gregorianCalendar = (XMLGregorianCalendar) value;
                final Date date = gregorianCalendar.toGregorianCalendar().getTime();

                return dateInstance.format(date);
            }
        };
    }

    @Override
    protected UpdateValueStrategy getTargetToModelStrategy(Component component, Setting setting) {
        return new ECPXMLDateFieldToModelUpdateValueStrategy();
    }

    @Override
    public Component createControl() {
        return new DateField();
    }

    @Override
    protected String getUnsetLabel() {
        return VaadinRendererMessages.XMLDateControlVaadinRenderer_NoDateSetClickToSetDate;
    }

}