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

Introduction

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

Source

/**
 * Copyright (C) 2011 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.properties.form.sections.actions.contributions;

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.SuggestBox;
import org.bonitasoft.studio.pics.Pics;
import org.bonitasoft.studio.pics.PicsConstants;
import org.bonitasoft.studio.properties.form.sections.actions.DataPropertySection;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.observable.ChangeEvent;
import org.eclipse.core.databinding.observable.IChangeListener;
import org.eclipse.core.databinding.observable.value.IObservableValue;
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.SWTObservables;
import org.eclipse.jface.fieldassist.ControlDecoration;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.views.properties.tabbed.ISection;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;

/**
 * @author Romain Bioteau
 *
 */
public class AsynchronousSuggestBoxContribution implements IExtensibleGridPropertySectionContribution {

    private SuggestBox suggestBox;
    private TransactionalEditingDomain editingDomain;
    private Button isAsynchronousCheckbox;
    private Text delayText;
    private EMFDataBindingContext dataBindingContext;
    private ExtensibleGridPropertySection section;

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

    public void refresh() {
    }

    public String getLabel() {
        return Messages.asynchronousLabel;
    }

    public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory,
            ExtensibleGridPropertySection extensibleGridPropertySection) {
        this.section = extensibleGridPropertySection;
        composite.setLayout(new GridLayout(4, false));
        isAsynchronousCheckbox = widgetFactory.createButton(composite, "", SWT.CHECK);
        widgetFactory.createLabel(composite, Messages.refreshDelay);
        delayText = widgetFactory.createText(composite, String.valueOf(suggestBox.getDelay()),
                SWT.BORDER | SWT.RIGHT);
        delayText.setLayoutData(GridDataFactory.fillDefaults().hint(50, SWT.DEFAULT).create());
        widgetFactory.createLabel(composite, Messages.ms);

        ControlDecoration asyncHint = new ControlDecoration(isAsynchronousCheckbox, SWT.LEFT | SWT.TOP);
        asyncHint.setImage(Pics.getImage(PicsConstants.hint));
        asyncHint.setDescriptionText(Messages.asynchronousHint);

        bindWidgets();
        delayText.setEnabled(suggestBox.isAsynchronous());
    }

    protected void bindWidgets() {
        if (dataBindingContext != null) {
            dataBindingContext.dispose();
        }
        dataBindingContext = new EMFDataBindingContext();

        IObservableValue value = EMFEditObservables.observeValue(editingDomain, suggestBox,
                FormPackage.Literals.SUGGEST_BOX__ASYNCHRONOUS);
        value.addChangeListener(new IChangeListener() {

            public void handleChange(ChangeEvent event) {
                ISection extensibleGridPropertySection = section.getTabbedPropertySheetPage().getCurrentTab()
                        .getSections()[0];
                if (extensibleGridPropertySection instanceof DataPropertySection) {
                    for (IExtensibleGridPropertySectionContribution contib : ((DataPropertySection) extensibleGridPropertySection)
                            .getContributions()) {
                        if (contib instanceof AvailableValueContribution) {
                            //((MultipleValuatedFieldContribution)contib).resetCombo() ;
                        }
                    }
                }
            }
        });
        ;
        dataBindingContext.bindValue(SWTObservables.observeSelection(isAsynchronousCheckbox), EMFEditObservables
                .observeValue(editingDomain, suggestBox, FormPackage.Literals.SUGGEST_BOX__ASYNCHRONOUS));
        dataBindingContext.bindValue(
                EMFEditObservables.observeValue(editingDomain, suggestBox,
                        FormPackage.Literals.SUGGEST_BOX__ASYNCHRONOUS),
                SWTObservables.observeEnabled(delayText), null,
                new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER));
        dataBindingContext.bindValue(SWTObservables.observeText(delayText, SWT.Modify), EMFEditObservables
                .observeValue(editingDomain, suggestBox, FormPackage.Literals.SUGGEST_BOX__DELAY));

    }

    public void setEObject(EObject object) {
        this.suggestBox = (SuggestBox) object;
    }

    public void setSelection(ISelection selection) {

    }

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

    }

    public void dispose() {
    }

}