org.bonitasoft.studio.common.properties.DescriptionPropertySectionContribution.java Source code

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Here is the source code for org.bonitasoft.studio.common.properties.DescriptionPropertySectionContribution.java

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/**
 * Copyright (C) 2009 BonitaSoft S.A.
 * BonitaSoft, 31 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.common.properties;

import javax.xml.bind.JAXBException;
import javax.xml.bind.PropertyException;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.Validator;

import org.bonitasoft.studio.common.Messages;
import org.bonitasoft.studio.common.jface.databinding.validator.InputLengthValidator;
import org.bonitasoft.studio.model.process.Element;
import org.bonitasoft.studio.model.process.ProcessPackage;
import org.bonitasoft.studio.model.process.TextAnnotation;
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.fieldassist.ControlDecorationSupport;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;

/**
 * @author Mickael Istria
 * @author Aurelien Pupier : refactored
 * 
 */
public class DescriptionPropertySectionContribution implements IExtensibleGridPropertySectionContribution {

    protected Element element;
    protected TransactionalEditingDomain editingDomain;
    private EMFDataBindingContext context;

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution
     * #createControl(org.eclipse.swt.widgets.Composite,
     * org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory)
     */
    public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory,
            ExtensibleGridPropertySection page) {

        composite.setLayout(new RowLayout());
        Text text = widgetFactory.createText(composite, element.getDocumentation(),
                SWT.BORDER | SWT.MULTI | SWT.WRAP);
        RowData rd = new RowData();
        rd.width = 300;
        rd.height = 60;
        text.setLayoutData(rd);

        context = new EMFDataBindingContext();
        UpdateValueStrategy strategy = new UpdateValueStrategy();
        strategy.setBeforeSetValidator(new InputLengthValidator(Messages.GeneralSection_Description, 254));
        //   context.bindValue(SWTObservables.observeDelayedValue(400, SWTObservables.observeText(text, SWT.Modify)), EMFEditObservables.observeValue(editingDomain, element, ProcessPackage.Literals.ELEMENT__DOCUMENTATION),strategy,null);
        ControlDecorationSupport.create(
                context.bindValue(
                        SWTObservables.observeDelayedValue(400, SWTObservables.observeText(text, SWT.Modify)),
                        EMFEditObservables.observeValue(editingDomain, element,
                                ProcessPackage.Literals.ELEMENT__DOCUMENTATION),
                        strategy, null),
                SWT.LEFT | SWT.TOP);

    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution#getLabel()
     */
    public String getLabel() {
        return Messages.GeneralSection_Description;
    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution#refresh()
     */
    public void refresh() {

    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution
     * #setEObject(org.eclipse.emf.ecore.EObject)
     */
    public void setEObject(EObject object) {
        this.element = (Element) object;
    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution
     * #setEditingDomain(org.eclipse.emf.transaction.TransactionalEditingDomain)
     */
    public void setEditingDomain(TransactionalEditingDomain editingDomain) {
        this.editingDomain = editingDomain;
    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution
     * #isRelevantFor(org.eclipse.emf.ecore.EObject)
     */
    public boolean isRelevantFor(EObject eObject) {
        return eObject instanceof Element && !(eObject instanceof TextAnnotation);
    }

    /*
     * (non-Javadoc)
     * 
     * @seeorg.bonitasoft.studio.properties.sections.general.
     * IExtenstibleGridPropertySectionContribution
     * #setSelection(org.eclipse.jface.viewers.ISelection)
     */
    public void setSelection(ISelection selection) {
        // NOTHING
    }

    /* (non-Javadoc)
     * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#dispose()
     */
    public void dispose() {
        if (context != null)
            context.dispose();
    }

}