Java tutorial
/** * Copyright (C) 2011-2012 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.options.contributions; import org.bonitasoft.studio.common.ExpressionConstants; import org.bonitasoft.studio.common.properties.AbstractPropertySectionContribution; import org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection; import org.bonitasoft.studio.expression.editor.filter.AvailableExpressionTypeFilter; import org.bonitasoft.studio.expression.editor.viewer.ExpressionViewer; import org.bonitasoft.studio.form.properties.i18n.Messages; import org.bonitasoft.studio.model.form.FormPackage; import org.bonitasoft.studio.model.form.Widget; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.emf.databinding.EMFDataBindingContext; import org.eclipse.emf.databinding.edit.EMFEditProperties; import org.eclipse.emf.ecore.EObject; import org.eclipse.jface.databinding.swt.IWidgetValueProperty; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.layout.GridDataFactory; 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.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Baptiste Mesta * */ public class InjectWidgetContribution extends AbstractPropertySectionContribution { private Button checkbox; private ExpressionViewer expressionViewer; private EMFDataBindingContext context; private final IWidgetValueProperty widgetValuePropertySelection = WidgetProperties.selection(); private final UpdateValueStrategy never = new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER); /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#isRelevantFor(org.eclipse.emf.ecore.EObject) */ public boolean isRelevantFor(EObject eObject) { return eObject instanceof Widget; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#refresh() */ public void refresh() { } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#getLabel() */ public String getLabel() { return Messages.injectWidgetIf; } /* (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) { composite.setLayout(new GridLayout(2, false)); composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); checkbox = widgetFactory.createButton(composite, "", SWT.CHECK); expressionViewer = new ExpressionViewer(composite, SWT.BORDER, widgetFactory, editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_SCRIPT); expressionViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); expressionViewer.addFilter(new AvailableExpressionTypeFilter( new String[] { ExpressionConstants.PARAMETER_TYPE, ExpressionConstants.VARIABLE_TYPE, ExpressionConstants.SCRIPT_TYPE, ExpressionConstants.CONSTANT_TYPE, ExpressionConstants.FORM_FIELD_TYPE, ExpressionConstants.DOCUMENT_TYPE })); //bind if (context != null) { context.dispose(); } if (expressionViewer != null && !expressionViewer.getControl().isDisposed()) { context = new EMFDataBindingContext(); expressionViewer.setInput(getEObject()); context.bindValue(ViewerProperties.singleSelection().observe(expressionViewer), EMFEditProperties .value(editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_SCRIPT).observe(getEObject())); context.bindValue(widgetValuePropertySelection.observe(checkbox), EMFEditProperties.value(editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_CONDITION) .observe(getEObject())); context.bindValue(WidgetProperties.enabled().observe(expressionViewer.getControl()), EMFEditProperties.value(editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_CONDITION) .observe(getEObject()), never, null); context.bindValue(WidgetProperties.enabled().observe(expressionViewer.getTextControl()), EMFEditProperties.value(editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_CONDITION) .observe(getEObject()), never, null); context.bindValue(WidgetProperties.enabled().observe(expressionViewer.getButtonControl()), EMFEditProperties.value(editingDomain, FormPackage.Literals.WIDGET__INJECT_WIDGET_CONDITION) .observe(getEObject()), never, null); } } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#dispose() */ public void dispose() { if (context != null) { context.dispose(); } } }