/******************************************************************************* | |
* <copyright> | |
* | |
* Copyright (c) 2012, 2015 SAP AG and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License 2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/legal/epl-2.0/ | |
* | |
* SPDX-License-Identifier: EPL-2.0 | |
* | |
* Contributors: | |
* Petya Sabeva - initial API, implementation and documentation | |
* | |
* </copyright> | |
* | |
*******************************************************************************/ | |
package org.eclipse.jpt.jpadiagrameditor.ui.internal.command; | |
import org.eclipse.core.runtime.CoreException; | |
import org.eclipse.core.runtime.NullProgressMonitor; | |
import org.eclipse.jdt.core.ICompilationUnit; | |
import org.eclipse.jface.text.Document; | |
import org.eclipse.jpt.common.core.resource.java.JavaResourceType; | |
import org.eclipse.jpt.common.utility.command.Command; | |
import org.eclipse.jpt.jpa.core.context.PersistentType; | |
import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin; | |
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil; | |
import org.eclipse.text.edits.DeleteEdit; | |
import org.eclipse.text.edits.InsertEdit; | |
import org.eclipse.text.edits.MalformedTreeException; | |
import org.eclipse.text.edits.MultiTextEdit; | |
import org.eclipse.text.edits.TextEdit; | |
import org.eclipse.text.edits.TextEditCopier; | |
public class CreateEntityTypeHierarchy implements Command { | |
private PersistentType subclass; | |
private PersistentType superclass; | |
private boolean shouldCreate; | |
public CreateEntityTypeHierarchy(PersistentType superclass, PersistentType subclass, boolean shouldCreate) { | |
super(); | |
this.superclass = superclass; | |
this.subclass = subclass; | |
this.shouldCreate = shouldCreate; | |
} | |
public void execute() { | |
buildHierarchy(superclass, subclass, shouldCreate); | |
JavaResourceType jrt = subclass.getJavaResourceType(); | |
jrt.getJavaResourceCompilationUnit().synchronizeWithJavaSource(); | |
} | |
private void buildHierarchy(PersistentType superclass, | |
PersistentType subclass, boolean build) { | |
try { | |
ICompilationUnit subCU = JPAEditorUtil.getCompilationUnit(subclass); | |
final Document document = new Document(subCU.getBuffer() | |
.getContents()); | |
MultiTextEdit edit = new MultiTextEdit(); | |
String str = document.get(); | |
if (build) { | |
int offset = str.indexOf(subclass.getSimpleName()) | |
+ subclass.getSimpleName().length(); | |
edit.addChild(new InsertEdit(offset, " extends " //$NON-NLS-1$ | |
+ superclass.getSimpleName())); | |
} else { | |
int length = ("extends " + superclass.getSimpleName() + " ") //$NON-NLS-1$ //$NON-NLS-2$ | |
.length(); | |
int offset = str.indexOf("extends"); //$NON-NLS-1$ | |
edit.addChild(new DeleteEdit(offset, length)); | |
} | |
TextEditCopier copier = new TextEditCopier(edit); | |
TextEdit copy = copier.perform(); | |
subCU.applyTextEdit(copy, new NullProgressMonitor()); | |
} catch (CoreException exception) { | |
JPADiagramEditorPlugin.logError(exception); | |
} catch (MalformedTreeException exception) { | |
JPADiagramEditorPlugin.logError(exception); | |
} | |
} | |
} |