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package org.eclipse.papyrus.readonly.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.infra.core.utils.BusinessModelResolver;
import org.eclipse.papyrus.infra.onefile.model.IPapyrusFile;
import org.eclipse.papyrus.infra.onefile.model.PapyrusModelHelper;
import org.eclipse.papyrus.infra.onefile.utils.OneFileUtils;
import org.eclipse.papyrus.readonly.ReadOnlyManager;
import org.eclipse.ui.PlatformUI;
public class EnableWriteHandler extends AbstractHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
EObject elem = getSelectedElement();
if(elem != null && elem.eResource() != null && elem.eResource().getResourceSet() != null) {
Resource res = elem.eResource();
ResourceSet rs = res.getResourceSet();
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(res.getURI().toPlatformString(true)));
IPapyrusFile papFile = PapyrusModelHelper.getPapyrusModelFactory().createIPapyrusFile(file);
IFile[] associatedFiles = OneFileUtils.getAssociatedFiles(papFile);
ReadOnlyManager.enableWrite(associatedFiles);
for(IFile associatedFile : associatedFiles) {
URI associatedUri = URI.createPlatformResourceURI(associatedFile.getFullPath().toString(), true);
Resource associatedResource = rs.getResource(associatedUri, true);
if(associatedResource != null) {
associatedResource.setModified(true);
}
}
}
return null;
}
protected EObject getSelectedElement() {
ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();
if(selection instanceof IStructuredSelection) {
Object obj = ((IStructuredSelection)selection).getFirstElement();
return resolveSemanticObject(obj);
}
return null;
}
/**
* Resolve semantic element
*
* @param object
* the object to resolve
* @return <code>null</code> or the semantic element associated to the
* specified object
*/
protected EObject resolveSemanticObject(Object object) {
Object businessObject = BusinessModelResolver.getInstance().getBusinessModel(object);
if(businessObject instanceof EObject) {
return (EObject)businessObject;
}
return null;
}
}
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