| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| ******************************************************************************/ |
| package org.eclipse.emf.ecp.editor.mecontrols; |
| |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.emf.common.util.Diagnostic; |
| import org.eclipse.emf.databinding.EMFDataBindingContext; |
| import org.eclipse.emf.databinding.edit.EMFEditObservables; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.layout.GridLayoutFactory; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| |
| /** |
| * This is the standard Control to edit boolean values. |
| * |
| * @author helming |
| */ |
| public class MEBoolControl extends AbstractMEControl implements IValidatableControl{ |
| |
| private EAttribute attribute; |
| |
| private Button check; |
| |
| private static final int PRIORITY = 1; |
| |
| private Composite composite; |
| |
| private Label labelWidgetImage; //Label for diagnostic image |
| |
| |
| /** |
| * returns a check button without Label. {@inheritDoc} |
| * |
| * @return Control |
| */ |
| @Override |
| public Control createControl(Composite parent, int style) { |
| Object feature = getItemPropertyDescriptor().getFeature(getModelElement()); |
| this.attribute = (EAttribute) feature; |
| composite = getToolkit().createComposite(parent, style); |
| GridLayoutFactory.fillDefaults().numColumns(2).spacing(2, 0).applyTo(composite); |
| |
| labelWidgetImage = getToolkit().createLabel(composite, " "); |
| labelWidgetImage.setBackground(parent.getBackground()); |
| labelWidgetImage.setSize(SWT.DEFAULT, 16); |
| |
| check = getToolkit().createButton(composite, "", SWT.CHECK); |
| IObservableValue model = EMFEditObservables.observeValue(getEditingDomain(), getModelElement(), attribute); |
| EMFDataBindingContext dbc = new EMFDataBindingContext(); |
| dbc.bindValue(SWTObservables.observeSelection(check), model, null, null); |
| return composite; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.ecp.editor.mecontrols.AbstractMEControl#canRender(org.eclipse.emf.edit.provider.IItemPropertyDescriptor, |
| * org.eclipse.emf.ecore.EObject) |
| */ |
| @Override |
| public int canRender(IItemPropertyDescriptor itemPropertyDescriptor, EObject modelElement) { |
| Object feature = itemPropertyDescriptor.getFeature(modelElement); |
| if (feature instanceof EAttribute && ((EAttribute) feature).getEType().getInstanceClass().equals(boolean.class)) { |
| |
| return PRIORITY; |
| } |
| return AbstractMEControl.DO_NOT_RENDER; |
| } |
| |
| /**. |
| * {@inheritDoc}} |
| * */ |
| public void handleValidation(Diagnostic diagnostic) { |
| if (diagnostic.getSeverity() == Diagnostic.ERROR || diagnostic.getSeverity() == Diagnostic.WARNING) { |
| Image image = org.eclipse.emf.ecp.editor.Activator.getImageDescriptor("icons/validation_error.png").createImage(); |
| this.labelWidgetImage.setImage(image); |
| this.labelWidgetImage.setToolTipText(diagnostic.getMessage()); |
| } |
| } |
| |
| /**. |
| * {@inheritDoc}} |
| * */ |
| public void resetValidation() { |
| this.labelWidgetImage.setImage(null); |
| this.labelWidgetImage.setToolTipText(""); |
| } |
| |
| } |