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/*******************************************************************************
* Copyright (c) 2013 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:
* Ansgar Radermacher - Initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.cpp.codegen.ui.handlers;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.papyrus.acceleo.AcceleoDriver;
import org.eclipse.papyrus.cpp.codegen.transformation.CppModelElementsCreator;
import org.eclipse.papyrus.cpp.codegen.ui.Activator;
import org.eclipse.papyrus.cpp.codegen.utils.ClassUtils;
import org.eclipse.papyrus.cpp.codegen.utils.LocateCppProject;
import org.eclipse.papyrus.uml.diagram.common.handlers.CmdHandler;
import org.eclipse.swt.widgets.Display;
import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.PackageableElement;
/**
* Handler for C++ code generation
*/
public class GenerateCodeHandler extends CmdHandler {
private static final boolean Headless = Boolean.getBoolean("papyrus.run-headless");
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
@Override
public boolean isEnabled() {
updateSelectedEObject();
if (selectedEObject instanceof Package || selectedEObject instanceof Classifier) {
URI uri = selectedEObject.eResource().getURI();
// URIConverter uriConverter = resource.getResourceSet().getURIConverter();
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
if (uri.segmentCount() < 2) {
return false;
}
IProject modelProject = root.getProject(uri.segment(1));
return modelProject.exists();
}
return false;
}
/**
* Generate code for a passed packageable element and the elements required by it (in the sense of #included statements)
*
* @param mec
* model elements creator
* @param pe
* the element that should be generated
* @param alreadyHandled
* list of packageable elements for which code has already been generated.
* @param recurse
* if the passed packageableElement is a package, generate code for its contents (recursively).
*/
public void generate(CppModelElementsCreator mec, PackageableElement pe, EList<PackageableElement> alreadyHandled, boolean recurse) {
IContainer srcPkg = mec.getContainer(pe);
try {
alreadyHandled.add(pe);
mec.createPackageableElement(srcPkg, null, pe, false);
} catch (CoreException coreException) {
Activator.log.error(coreException);
} finally {
// Refresh the container for the newly created files. This needs to be done even
// during error because of the possibility for partial results.
try {
srcPkg.refreshLocal(IResource.DEPTH_INFINITE, null);
} catch (CoreException e) {
Activator.log.error(e);
}
}
if (pe instanceof Classifier) {
EList<Classifier> requiredClassifiers = ClassUtils.includedClassifiers((Classifier) pe);
for (Classifier requiredClassifier : requiredClassifiers) {
if (!alreadyHandled.contains(requiredClassifier)) {
generate(mec, requiredClassifier, alreadyHandled, false);
}
}
}
// owning package is required by generated code.
Package owningPackage = pe.getNearestPackage();
if ((owningPackage != null) && (owningPackage != pe)) {
if (!alreadyHandled.contains(owningPackage)) {
generate(mec, owningPackage, alreadyHandled, false);
}
}
if ((pe instanceof Package) && recurse) {
// Continue generation parsing package contents
for (PackageableElement currentElement : ((Package) pe).getPackagedElements()) {
generate(mec, currentElement, alreadyHandled, recurse);
}
}
}
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
if (selectedEObject instanceof PackageableElement) {
PackageableElement pe = (PackageableElement) selectedEObject;
IProject modelProject = LocateCppProject.getTargetProject(pe, true);
if (modelProject == null) {
return null;
}
// get the container for the current element
AcceleoDriver.clearErrors();
CppModelElementsCreator mec = new CppModelElementsCreator(modelProject);
generate(mec, pe, new BasicEList<PackageableElement>(), true);
if (AcceleoDriver.hasErrors() && !Headless) {
Display.getDefault().syncExec(new Runnable() {
@Override
public void run() {
MessageDialog.openInformation(Display.getCurrent().getActiveShell(), "Errors during code generation", //$NON-NLS-1$
"Errors occured during code generation. Please check the error log"); //$NON-NLS-1$
}
});
}
}
return null;
}
}
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