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package org.eclipse.emf.refactor.refactoring.runtime.ltk.ui;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareEditorInput;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.EMFCompare;
import org.eclipse.emf.compare.domain.ICompareEditingDomain;
import org.eclipse.emf.compare.domain.impl.EMFCompareEditingDomain;
import org.eclipse.emf.compare.ide.ui.internal.editor.ComparisonEditorInput;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.refactor.refactoring.runtime.ltk.change.RefactoringChange;
import org.eclipse.emf.refactor.refactoring.runtime.ltk.command.PreviewCommand;
import org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput;
import org.eclipse.ltk.ui.refactoring.IChangePreviewViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
@SuppressWarnings("restriction")
public class RefactoringPreviewViewer implements IChangePreviewViewer {
private Control previewControl;
private Composite parent;
@Override
public void createControl(Composite parent) {
this.parent = parent;
}
@Override
public Control getControl() {
return previewControl;
// return parent;
}
@Override
public void setInput(ChangePreviewViewerInput input) {
System.out.println("===>> change: " + input.getChange());
if (!(input.getChange() instanceof RefactoringChange)) return;
RefactoringChange change = (RefactoringChange) input.getChange();
EObject model1 = (EObject) change.getModifiedElement();
PreviewCommand previewCommand =
new PreviewCommand(change.getRefactoringCommand(), model1);
change.getEditingDomain().getCommandStack().execute(previewCommand);
EObject model2 = previewCommand.getRootCopy();
System.out.println("===>> model1: " + model1);
System.out.println("===>> model2: " + model2);
EMFCompare compare = EMFCompare.builder().build();
Comparison comparison = compare.compare(EMFCompare.createDefaultScope(model2, model1));
ICompareEditingDomain editingDomain = EMFCompareEditingDomain.create(model2, model1, null);
AdapterFactory adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
CompareEditorInput compareEditorInput =
new ComparisonEditorInput(new CompareConfiguration(),
comparison, editingDomain, adapterFactory);
try {
compareEditorInput.run(new NullProgressMonitor());
previewControl = compareEditorInput.createContents(parent);
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// @Override
// public void setInput(ChangePreviewViewerInput input) { }
}
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