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/*******************************************************************************
* Copyright (c) 2007, 2015 Borland Software Corporation 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:
* Borland Software Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers;
import org.eclipse.core.resources.IFile;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.m2m.internal.qvt.oml.emf.util.EmfUtil;
import org.eclipse.m2m.internal.qvt.oml.emf.util.ModelContent;
import org.eclipse.m2m.internal.qvt.oml.emf.util.WorkspaceUtils;
import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.controls.SelectUriControl;
import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.provider.EmfModelContentProvider;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.PlatformUI;
public class ResourceSourceChooser extends ChooserAdapter implements ISourceChooser {
public ResourceSourceChooser(boolean isConsiderAdapters, ResourceSet rs) {
myIsConsiderAdaptes = isConsiderAdapters;
myResourceSet = rs;
}
public Control createControl(Composite parent) {
myControl = new SelectUriControl(parent, getDefaultFileName(), myIsConsiderAdaptes, myResourceSet);
myControl.addSelectionListener(new SelectUriControl.ISelectionListener() {
public void selectionChanged(URI uri) {
if(uri == null) {
myUri = null;
}
else {
myUri = uri;
}
fireChangedEvent();
}
});
if(myInitialSelection != null) {
myControl.setSelection(myInitialSelection);
}
PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
"org.eclipse.m2m.qvt.oml.resource_source_chooser"); //$NON-NLS-1$
return myControl;
}
protected String getDefaultFileName() {
return null;
}
public void setInitialSelection(String uriString) {
URI uri = uriString.trim().length() == 0 ? null : URI.createURI(uriString);
if(uri == null) {
return;
}
IFile file = WorkspaceUtils.getWorkspaceFile(uri);
if (file != null) {
myInitialSelection = createSelectionForUri(uri, file);
return;
}
ModelContent loadModel = EmfUtil.safeLoadModel(uri, myResourceSet);
EObject obj = (loadModel != null && !loadModel.getContent().isEmpty() ? loadModel.getContent().get(0) : null);
if (obj != null) {
myInitialSelection = new StructuredSelection(EmfModelContentProvider.makeEObjectNode(obj, null));
return;
}
}
public static IStructuredSelection createSelectionForUri(URI uri, IFile file) {
StructuredSelection initialSelection;
if (!file.exists()) {
initialSelection = new StructuredSelection(file.getParent());
}
else if(!uri.hasFragment()) {
initialSelection = new StructuredSelection(file);
}
else {
ModelContent loadModel = EmfUtil.loadModel(uri);
EObject obj = (loadModel != null && !loadModel.getContent().isEmpty() ? loadModel.getContent().get(0) : null);
if(obj == null) {
initialSelection = new StructuredSelection(file);
}
else {
initialSelection = new StructuredSelection(EmfModelContentProvider.makeEObjectNode(obj, file));
}
}
return initialSelection;
}
public String getTitle() {
return Messages.EObjectResourceChooser_0;
}
public URI getUri() {
return myUri;
}
public String getUriString() {
return myUri == null ? null : myUri.toString();
}
private SelectUriControl myControl;
protected IStructuredSelection myInitialSelection;
private URI myUri;
private final boolean myIsConsiderAdaptes;
protected final ResourceSet myResourceSet;
}
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