Java tutorial
/** * Copyright (C) 2015 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.designer.ui.property.section.control; import static org.bonitasoft.studio.common.jface.databinding.UpdateStrategyFactory.neverUpdateValueStrategy; import static org.bonitasoft.studio.common.jface.databinding.UpdateStrategyFactory.updateValueStrategy; import org.bonitasoft.studio.common.jface.databinding.CustomEMFEditObservables; import org.bonitasoft.studio.common.repository.RepositoryAccessor; import org.bonitasoft.studio.designer.i18n.Messages; import org.bonitasoft.studio.model.process.FormMappingType; import org.bonitasoft.studio.model.process.ProcessPackage; import org.bonitasoft.studio.preferences.BonitaPreferenceConstants; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.PojoObservables; import org.eclipse.core.databinding.conversion.Converter; import org.eclipse.core.databinding.conversion.IConverter; import org.eclipse.core.databinding.observable.Realm; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.core.databinding.observable.value.SelectObservableValue; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Romain Bioteau */ public class FormMappingRadioGroup extends Composite implements BonitaPreferenceConstants { private final SelectObservableValue mappingTypeObservable; private final InternalMappingComposite pageDesignerMappingComposite; private final URLMappingComposite urlMappingComposite; private final CustomStackLayout stackLayout; private final InfoMessageComposite legacyComposite; private final InfoMessageComposite noneComposite; public FormMappingRadioGroup(final Composite parent, final TabbedPropertySheetWidgetFactory widgetFactory, final IEclipsePreferences preferenceStore, final RepositoryAccessor repositoryAccessor, final FormReferenceExpressionValidator formReferenceExpressionValidator, final CreateOrEditFormProposalListener createOrEditFormListener) { super(parent, SWT.NONE); setLayout(GridLayoutFactory.swtDefaults().numColumns(4).extendedMargins(10, 10, 10, 10).create()); setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); final Button uiDesignerRadio = widgetFactory.createButton(this, Messages.uiDesignerLabel, SWT.RADIO); uiDesignerRadio.setLayoutData(GridDataFactory.swtDefaults().align(SWT.LEFT, SWT.CENTER).create()); final Button externalRadio = widgetFactory.createButton(this, Messages.externalURL, SWT.RADIO); externalRadio.setLayoutData(GridDataFactory.swtDefaults().align(SWT.LEFT, SWT.CENTER).create()); final Button noneRadio = widgetFactory.createButton(this, Messages.noForm, SWT.RADIO); noneRadio.setLayoutData(GridDataFactory.swtDefaults().align(SWT.LEFT, SWT.CENTER).create()); final Button legacyRadio = widgetFactory.createButton(this, Messages.legacyForm, SWT.RADIO); legacyRadio.setLayoutData(GridDataFactory.swtDefaults().align(SWT.LEFT, SWT.CENTER).create()); mappingTypeObservable = new SelectObservableValue(FormMappingType.class); mappingTypeObservable.addOption(FormMappingType.NONE, SWTObservables.observeSelection(noneRadio)); mappingTypeObservable.addOption(FormMappingType.INTERNAL, SWTObservables.observeSelection(uiDesignerRadio)); mappingTypeObservable.addOption(FormMappingType.URL, SWTObservables.observeSelection(externalRadio)); mappingTypeObservable.addOption(FormMappingType.LEGACY, SWTObservables.observeSelection(legacyRadio)); final Composite stackedComposite = widgetFactory.createComposite(this); stackedComposite.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).span(4, 1).create()); stackLayout = new CustomStackLayout(stackedComposite); stackedComposite.setLayout(stackLayout); legacyComposite = new InfoMessageComposite(stackedComposite, widgetFactory); noneComposite = new InfoMessageComposite(stackedComposite, widgetFactory); pageDesignerMappingComposite = new InternalMappingComposite(stackedComposite, widgetFactory, preferenceStore, repositoryAccessor, formReferenceExpressionValidator, createOrEditFormListener); urlMappingComposite = new URLMappingComposite(stackedComposite, widgetFactory); widgetFactory.adapt(this); } private Control compositeFor(final FormMappingType mappingType) { switch (mappingType) { case URL: return urlMappingComposite; case INTERNAL: return pageDesignerMappingComposite; case LEGACY: return legacyComposite; case NONE: default: return noneComposite; } } public void doBindControl(final DataBindingContext context, final IObservableValue formMappingObservable) { context.bindValue(PojoObservables.observeValue(stackLayout, "topControl"), mappingTypeObservable, neverUpdateValueStrategy().create(), updateValueStrategy().withConverter(mappingTypeToCompositeConverter()).create()); context.bindValue(mappingTypeObservable, CustomEMFEditObservables.observeDetailValue(Realm.getDefault(), formMappingObservable, ProcessPackage.Literals.FORM_MAPPING__TYPE)); pageDesignerMappingComposite.doBindControl(context, formMappingObservable); urlMappingComposite.doBindControl(context, formMappingObservable); legacyComposite.doBindControl(context, formMappingObservable, FormMappingType.LEGACY); noneComposite.doBindControl(context, formMappingObservable, FormMappingType.NONE); } private IConverter mappingTypeToCompositeConverter() { return new Converter(FormMappingType.class, Composite.class) { @Override public Object convert(final Object mappingType) { return compositeFor((FormMappingType) mappingType); } }; } /* * (non-Javadoc) * @see org.eclipse.swt.widgets.Widget#dispose() */ @Override public void dispose() { if (pageDesignerMappingComposite != null) { pageDesignerMappingComposite.dispose(); } if (urlMappingComposite != null) { urlMappingComposite.dispose(); } if (legacyComposite != null) { legacyComposite.dispose(); } if (noneComposite != null) { noneComposite.dispose(); } super.dispose(); } }