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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:
* Ansgar Radermacher - Initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.cpp.codegen.ui.handler;
import org.eclipse.cdt.core.CCProjectNature;
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.URI;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.papyrus.acceleo.AcceleoDriver;
import org.eclipse.papyrus.acceleo.ui.handlers.CmdHandler;
import org.eclipse.papyrus.cpp.codegen.transformation.CppModelElementsCreator;
import org.eclipse.papyrus.cpp.codegen.ui.Activator;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.uml2.uml.PackageableElement;
/**
* Handler for C++ code generation
*/
public class GenerateCodeHandler extends CmdHandler {
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
@Override
public boolean isEnabled() {
updateSelectedEObject();
if (selectedEObject != null) {
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;
}
public Object execute(ExecutionEvent event) throws ExecutionException {
if(selectedEObject instanceof PackageableElement) {
PackageableElement pe = (PackageableElement)selectedEObject;
IProject modelProject = getTargetProject(pe);
if(modelProject == null) {
return null;
}
// get the container for the current element
AcceleoDriver.clearErrors();
CppModelElementsCreator mec = new CppModelElementsCreator(modelProject);
IContainer srcPkg = mec.getContainer(pe);
try {
mec.createPackageableElement(srcPkg, null, pe);
if (AcceleoDriver.hasErrors()) {
MessageDialog.openInformation(new Shell(), "Errors during code generation", //$NON-NLS-1$
"Errors occured during code generation. Please check the error log"); //$NON-NLS-1$
}
}
catch (CoreException coreException) {
Activator.log.error(coreException);
return null;
}
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);
}
}
}
return null;
}
/**
* Locate and return the target project for the given packagable element. Return null if
* no target project can be found.
*
* Ensures that the target project is correctly setup to contain generated C/C++ code. Does
* not create a new project, but may modify existing ones.
*/
private static IProject getTargetProject(PackageableElement pe) {
URI uri = pe.eResource().getURI();
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
if(uri.segmentCount() < 2)
return null;
IProject modelProject = root.getProject(uri.segment(1));
if(!modelProject.exists())
return null;
// Make sure the target project has the C and C++ build natures.
try {
if(!modelProject.hasNature(CCProjectNature.CC_NATURE_ID)) {
boolean apply = MessageDialog.openQuestion(new Shell(),
"Need to apply C++ nature", "Code generation requires that the underlying project has a C++ nature. Do you want to apply this nature?");
if (!apply) {
return null;
}
CCProjectNature.addCCNature(modelProject, null);
}
}
catch(CoreException e) {
Activator.log.error(e);
}
return modelProject;
}
}
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