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/*****************************************************************************
* Copyright (c) 2014 Christian W. Damus and others.
*
* 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:
* Christian W. Damus - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.decoratormodel.internal.ui.providers;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.papyrus.infra.widgets.providers.DelegatingStyledLabelProvider;
import org.eclipse.papyrus.uml.decoratormodel.internal.ui.messages.Messages;
import org.eclipse.papyrus.uml.extensionpoints.Registry;
import org.eclipse.papyrus.uml.extensionpoints.profile.IRegisteredProfile;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.UMLPackage;
/**
* A label provider for presentation of decorator model {@link IFile}s or {@link Resource}s in the UI.
*/
public class ProfileResourceLabelProvider extends DelegatingStyledLabelProvider {
private final ResourceSet resourceSet;
public ProfileResourceLabelProvider(ResourceSet resourceSet) {
super(new WorkbenchLabelProvider());
this.resourceSet = resourceSet;
}
@Override
protected Image customGetImage(Object element) {
Image result = null;
if (element instanceof Resource) {
element = ((Resource) element).getURI();
}
if (element instanceof URI) {
URI uri = (URI) element;
IRegisteredProfile registered = getRegisteredProfile(uri);
if (registered != null) {
result = registered.getImage();
} else if (uri.isPlatformResource()) {
IResource file = !uri.isPlatformResource() ? null : ResourcesPlugin.getWorkspace().getRoot().findMember(uri.toPlatformString(true));
result = delegatedGetImage(file);
}
}
return result;
}
@Override
public StyledString customGetStyledText(Object element) {
return (element instanceof IFile) ? getStyledText((IFile) element) //
: (element instanceof Resource) ? getStyledText((Resource) element) //
: (element instanceof URI) ? getStyledText((URI) element) //
: null;
}
protected StyledString getStyledText(Resource resource) {
StyledString result;
URI uri = resource.getURI();
Package model = resource.isLoaded() ? (Package) EcoreUtil.getObjectByType(resource.getContents(), UMLPackage.Literals.PACKAGE) : null;
if (model == null) {
result = getStyledText(uri);
} else if (uri.isPlatformResource()) {
result = new StyledString();
result.append(model.getName());
String qualifier = uri.isPlatformResource() ? uri.toPlatformString(true) : uri.toString();
result.append(" - " + qualifier, StyledString.QUALIFIER_STYLER); //$NON-NLS-1$
} else {
result = getStyledText(model.getName(), resource.getURI());
}
return result;
}
protected StyledString getStyledText(String modelName, URI uri) {
StyledString result = new StyledString();
result.append(modelName);
String qualifier = uri.isPlatformResource() ? uri.toPlatformString(true) : uri.toString();
result.append(" - " + qualifier, StyledString.QUALIFIER_STYLER); //$NON-NLS-1$
return result;
}
protected StyledString getStyledText(IFile file) {
StyledString result = new StyledString();
IPath path = file.getFullPath().removeFileExtension();
result.append(path.lastSegment());
result.append(" - " + path.removeLastSegments(1).toString(), StyledString.QUALIFIER_STYLER); //$NON-NLS-1$
return result;
}
protected IRegisteredProfile getRegisteredProfile(URI uri) {
IRegisteredProfile result = null;
for (IRegisteredProfile next : Registry.getRegisteredProfiles()) {
if (uri.equals(next.getUri())) {
result = next;
break;
}
}
return result;
}
protected StyledString getStyledText(URI uri) {
StyledString result;
IRegisteredProfile registered = getRegisteredProfile(uri);
if (registered != null) {
result = getStyledText(registered.getName(), uri);
} else {
Resource resource = (resourceSet == null) ? null : resourceSet.getResource(uri, false);
if ((resource != null) && resource.isLoaded()) {
result = getStyledText(resource);
} else {
IResource file = !uri.isPlatformResource() ? null : ResourcesPlugin.getWorkspace().getRoot().findMember(uri.toPlatformString(true));
if (file instanceof IFile) {
result = getStyledText((IFile) file);
} else {
result = getStyledText(Messages.ProfileResourceLabelProvider_0, uri);
}
}
}
return result;
}
}
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