org.bonitasoft.studio.properties.form.sections.actions.contributions.ImageKindContribution.java Source code

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Here is the source code for org.bonitasoft.studio.properties.form.sections.actions.contributions.ImageKindContribution.java

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/**
 * Copyright (C) 2009-2012 BonitaSoft S.A.
 * BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2.0 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.bonitasoft.studio.properties.form.sections.actions.contributions;

import org.bonitasoft.studio.common.emf.tools.ModelHelper;
import org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection;
import org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution;
import org.bonitasoft.studio.form.properties.i18n.Messages;
import org.bonitasoft.studio.model.form.FormPackage;
import org.bonitasoft.studio.model.form.ImageWidget;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.edit.EMFEditObservables;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;

public class ImageKindContribution implements IExtensibleGridPropertySectionContribution {

    private ImageWidget img;
    private TransactionalEditingDomain editingDomain;
    private EMFDataBindingContext context = null;

    private Button isUrlButton;
    private Button isADocumentButton;

    public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory,
            ExtensibleGridPropertySection extensibleGridPropertySection) {
        composite.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).create());
        composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
        isADocumentButton = widgetFactory.createButton(composite, Messages.imageIsAnAttachment, SWT.RADIO);
        isUrlButton = widgetFactory.createButton(composite, Messages.imageIsAURL, SWT.RADIO);
        bindFields();
    }

    protected void bindFields() {
        if (context != null) {
            context.dispose();
        }
        context = new EMFDataBindingContext();
        UpdateValueStrategy updateValue = new UpdateValueStrategy() {
            @Override
            public Object convert(Object value) {
                if (value instanceof Boolean) {
                    return !Boolean.valueOf((Boolean) value);
                }
                return super.convert(value);
            }
        };

        context.bindValue(WidgetProperties.selection().observe(isUrlButton), EMFEditObservables.observeValue(
                editingDomain, img, FormPackage.Literals.IMAGE_WIDGET__IS_ADOCUMENT), updateValue, updateValue);
        context.bindValue(WidgetProperties.selection().observe(isADocumentButton), EMFEditObservables
                .observeValue(editingDomain, img, FormPackage.Literals.IMAGE_WIDGET__IS_ADOCUMENT));

        if (ModelHelper.isInEntryPageFlowOnAPool(img)) {
            isUrlButton.setSelection(true);
            isUrlButton.setEnabled(false);
            isADocumentButton.setEnabled(false);
        }
    }

    public void dispose() {
        if (context != null) {
            context.dispose();
        }
    }

    public String getLabel() {
        return " ";
    }

    public boolean isRelevantFor(EObject eObject) {
        return eObject instanceof ImageWidget;
    }

    public void refresh() {
    }

    public void setEObject(EObject object) {
        img = (ImageWidget) object;

    }

    public void setEditingDomain(TransactionalEditingDomain editingDomain) {
        this.editingDomain = editingDomain;
    }

    public void setSelection(ISelection selection) {

    }

}