Some talks, mostly identical.

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / text / correction / proposals / RefactoringCorrectionProposal.java

/*******************************************************************************\r
 * Copyright (c) 2011, 2012 IBM Corporation and others.\r
 * All rights reserved. This program and the accompanying materials\r
 * are made available under the terms of the Eclipse Public License v1.0\r
 * which accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 *\r
 * Contributors:\r
 *     IBM Corporation - initial API and implementation\r
 *******************************************************************************/\r
package org.eclipse.jdt.internal.ui.text.correction.proposals;\r
\r
import org.eclipse.swt.graphics.Image;\r
\r
import org.eclipse.core.runtime.CoreException;\r
import org.eclipse.core.runtime.IProgressMonitor;\r
import org.eclipse.core.runtime.NullProgressMonitor;\r
\r
import org.eclipse.core.resources.IFile;\r
\r
import org.eclipse.text.edits.InsertEdit;\r
\r
import org.eclipse.ltk.core.refactoring.Refactoring;\r
import org.eclipse.ltk.core.refactoring.RefactoringStatus;\r
import org.eclipse.ltk.core.refactoring.TextChange;\r
import org.eclipse.ltk.core.refactoring.TextFileChange;\r
\r
import org.eclipse.jdt.core.ICompilationUnit;\r
\r
\r
public class RefactoringCorrectionProposal extends LinkedCorrectionProposal {\r
	private final Refactoring fRefactoring;\r
	private RefactoringStatus fRefactoringStatus;\r
\r
	public RefactoringCorrectionProposal(String name, ICompilationUnit cu, Refactoring refactoring, int relevance, Image image) {\r
		super(name, cu, null, relevance, image);\r
		fRefactoring= refactoring;\r
	}\r
\r
	/**\r
	 * Can be overridden by clients to perform expensive initializations of the refactoring\r
	 * \r
	 * @param refactoring the refactoring\r
	 * @throws CoreException if something goes wrong during init\r
	 */\r
	protected void init(Refactoring refactoring) throws CoreException {\r
		// empty default implementation\r
	}\r
\r
	@Override\r
	protected TextChange createTextChange() throws CoreException {\r
		init(fRefactoring);\r
		fRefactoringStatus= fRefactoring.checkFinalConditions(new NullProgressMonitor());\r
		if (fRefactoringStatus.hasFatalError()) {\r
			TextFileChange dummyChange= new TextFileChange("fatal error", (IFile) getCompilationUnit().getResource()); //$NON-NLS-1$\r
			dummyChange.setEdit(new InsertEdit(0, "")); //$NON-NLS-1$\r
			return dummyChange;\r
		}\r
		return (TextChange) fRefactoring.createChange(new NullProgressMonitor());\r
	}\r
	\r
	/*\r
	 * @see org.eclipse.jdt.internal.ui.text.correction.proposals.CUCorrectionProposal#getAdditionalProposalInfo(org.eclipse.core.runtime.IProgressMonitor)\r
	 * @since 3.6\r
	 */\r
	@Override\r
	public Object getAdditionalProposalInfo(IProgressMonitor monitor) {\r
		if (fRefactoringStatus != null && fRefactoringStatus.hasFatalError()) {\r
			return fRefactoringStatus.getEntryWithHighestSeverity().getMessage();\r
		}\r
		return super.getAdditionalProposalInfo(monitor);\r
	}\r
}