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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
* 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:
* Ernest Wozniak (CEA LIST) ernest.wozniak@cea.fr - Initial API and implementation
* Patrick Tessier (CEA LIST) patrick.tessier@cea.fr modification
*****************************************************************************/
package org.eclipse.papyrus.dsml.validation.generation.ui;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.dsml.validation.model.elements.impl.ConstraintManagerImpl;
import org.eclipse.papyrus.dsml.validation.model.elements.interfaces.IConstraintProvider;
import org.eclipse.papyrus.dsml.validation.model.elements.interfaces.IConstraintsCategory;
import org.eclipse.papyrus.dsml.validation.model.elements.interfaces.IConstraintsManager;
import org.eclipse.papyrus.dsml.validation.model.elements.interfaces.IValidationRule;
import org.eclipse.papyrus.dsml.validation.model.profilenames.Utils;
import org.eclipse.papyrus.dsml.validation.wizard.CreateEMFValidationProject;
import org.eclipse.papyrus.dsml.validation.wizard.JavaContentGenerator;
import org.eclipse.papyrus.dsml.validation.wizard.ValidationPluginGenerator;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.widgets.toolbox.notification.builders.NotificationBuilder;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.uml2.uml.Profile;
/**
* this handler launch the creation of the plugin to validate contraints of the profile
*
*/
public class CreateJavaValidationPluginHandler extends AbstractHandler {
private IConstraintsManager constraintsManager;
/**
* <pre>
* Get the selected element, the first selected element if several are selected or null
* if no selection or the selection is not an {@link EObject}.
*
* @return selected {@link EObject} or null
* </pre>
*
*/
protected EObject getSelectedElement() {
EObject eObject = null;
Object selection = null;
// Get current selection
selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();
// Get first element if the selection is an IStructuredSelection
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
selection = structuredSelection.getFirstElement();
}
// Treat non-null selected object (try to adapt and return EObject)
if (selection != null) {
eObject = EMFHelper.getEObject(selection);
}
return eObject;
}
/**
*
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param event
* @return null
* @throws ExecutionException
*/
public Object execute(ExecutionEvent event) throws ExecutionException {
EObject selection = getSelectedElement();
if (selection instanceof Profile) {
Profile profileSelection = (Profile) selection;
constraintsManager = new ConstraintManagerImpl(profileSelection);
boolean isOCLConstraint = false;
for (IConstraintProvider constraintProvider : constraintsManager.getConstraintsProviders()) {
for (IConstraintsCategory constraintCategory : constraintProvider.getConstraintsCategories()) {
for (IValidationRule constraint : constraintCategory.getConstraints()) {
// this is an OCL constraint?
if (Utils.hasSpecificationForOCL(constraint.getConstraint())) {
isOCLConstraint = true;
}
}
}
}
EPackage definition = null;
if (isOCLConstraint) {
definition = profileSelection.getDefinition();
if (definition == null) {
NotificationBuilder errorDialog = NotificationBuilder.createErrorPopup("The profile must be defined in order to generate OCL Constraints");
errorDialog.run();
// finish by displaying a message for the user to inform that it need to define it before to launch it.
return null;
}
}
IProject existingProject = null;
URI uri = profileSelection.eResource().getURI();
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
if (uri.segmentCount() >= 2) {
existingProject = root.getProject(uri.segment(1));
}
int question = 0;
Shell shell = Display.getDefault().getActiveShell();
if ((existingProject != null) && existingProject.exists()) {
MessageDialog dialog = new MessageDialog(shell,
"Choose plugin generation", null,
"How should the plugin be generated?", MessageDialog.QUESTION,
new String[] { "Create a new plugin", "write to plugin hosting the model or profile" }, 1);
question = dialog.open();
}
if (question == 1) {
// generate java code
JavaContentGenerator generateAllJava = new JavaContentGenerator(existingProject, profileSelection);
generateAllJava.run();
// generate plugin + extension point
try {
ValidationPluginGenerator.instance.generate(existingProject, constraintsManager, definition);
} catch (Exception e) {
MessageDialog.openInformation(shell, "Exception occured during plugin generation", e.getMessage());
}
}
else {
CreateEMFValidationProject wizard = new CreateEMFValidationProject(profileSelection, constraintsManager, definition);
wizard.openDialog();
}
}
return null;
}
@Override
public boolean isEnabled() {
EObject eObject = getSelectedElement();
if (eObject instanceof Profile) {
return true;
}
return false;
}
}
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