Java tutorial
/** * Copyright (C) 2010 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.options.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.FileWidget; import org.bonitasoft.studio.model.form.FormField; import org.bonitasoft.studio.model.form.FormPackage; import org.bonitasoft.studio.model.form.Group; import org.bonitasoft.studio.model.form.ViewForm; import org.bonitasoft.studio.model.form.Widget; import org.eclipse.core.databinding.DataBindingContext; 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.viewers.ISelection; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Baptiste Mesta * @author Aurelien Pupier - case of ConsultationForm * */ public class ReadOnlyContribution implements IExtensibleGridPropertySectionContribution { private Button check; private EObject eObject; private DataBindingContext dataBinding; private TransactionalEditingDomain editingDomain; /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#createControl(org.eclipse.swt.widgets.Composite, org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory, org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection) */ public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory, ExtensibleGridPropertySection extensibleGridPropertySection) { GridData gridData = new GridData(SWT.FILL, SWT.CENTER, false, true); composite.setLayoutData(gridData); composite.setLayout(new GridLayout(1, false)); check = widgetFactory.createButton(composite, "", SWT.CHECK); if (dataBinding != null) { dataBinding.dispose(); dataBinding = null; } if (ModelHelper.getForm((Widget) eObject) instanceof ViewForm) { check.setEnabled(false); check.setSelection(true); } else { dataBinding = new DataBindingContext(); dataBinding.bindValue(SWTObservables.observeSelection(check), EMFEditObservables .observeValue(editingDomain, eObject, FormPackage.Literals.WIDGET__READ_ONLY)); } } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#dispose() */ public void dispose() { if (dataBinding != null) dataBinding.dispose(); } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#getLabel() */ public String getLabel() { return Messages.Contribution_ReadOnly; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#isRelevantFor(org.eclipse.emf.ecore.EObject) */ public boolean isRelevantFor(EObject eObject) { return (eObject instanceof FormField || eObject instanceof Group) && !(eObject instanceof FileWidget); } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#refresh() */ public void refresh() { } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setEObject(org.eclipse.emf.ecore.EObject) */ public void setEObject(EObject object) { this.eObject = object; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setEditingDomain(org.eclipse.emf.transaction.TransactionalEditingDomain) */ public void setEditingDomain(TransactionalEditingDomain editingDomain) { this.editingDomain = editingDomain; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setSelection(org.eclipse.jface.viewers.ISelection) */ public void setSelection(ISelection selection) { } }