es.cv.gvcase.fefem.common.composites.EMFPropertyStringComposite.java Source code

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Here is the source code for es.cv.gvcase.fefem.common.composites.EMFPropertyStringComposite.java

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/***************************************************************************
 * Copyright (c) 2008 Conselleria de Infraestructuras y Transporte,
 * Generalitat de la Comunitat Valenciana . 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: Mario Cervera Ubeda (Integranova)
 *
 **************************************************************************/
package es.cv.gvcase.fefem.common.composites;

//import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.widgets.FormToolkit;

import es.cv.gvcase.fefem.common.FEFEMPage;

/**
 * An implementation of a composite with a text field. Invoke
 * bindFeatureToWidget to bind the text field with the feature
 * 
 * @author Mario Cervera
 */
public abstract class EMFPropertyStringComposite extends EMFPropertyComposite {

    /** The text control for the composite. */
    private Text text;

    /**
     * When a EObject is passed the Text widget is binded with the feature
     * of the EObject passed as parameter
     */
    public EMFPropertyStringComposite(Composite parent, int style, FormToolkit toolkit, EObject eObject,
            FEFEMPage page) {
        super(parent, style, toolkit, eObject, page);

    }

    /**
     * When a Viewer is passed the Text widget is binded with the feature
     * of the object selected in the Viewer
     */
    public EMFPropertyStringComposite(Composite parent, int style, FormToolkit toolkit, Viewer viewer,
            FEFEMPage page) {
        super(parent, style, toolkit, viewer, page);
    }

    protected Text getText() {
        return text;
    }

    protected void createWidgets(FormToolkit toolkit) {

        this.setLayout(new GridLayout(2, false));
        createLabel(toolkit);

        text = toolkit.createText(this, "", getStyle());
        text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        text.setEditable(this.isEditable());

        Object featureVal = getFeatureValue();
        if (featureVal != null) {
            text.setText(featureVal.toString());
        }

        toolkit.adapt(this);
    }

    /**
     * Get the style of the text widget
     * 
     * @return the style
     */
    @Override
    public int getStyle() {
        return SWT.BORDER;
    }

    @Override
    protected IObservableValue getTargetObservable() {
        return SWTObservables.observeText(text, SWT.Modify);
    }

    protected void refresh() {
        this.text.redraw();
    }
}