/*******************************************************************************
* Copyright (c) 2000, 2007 IBM 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
*
*******************************************************************************/
package org.eclipse.php.internal.ui.refactor.processors;
import org.eclipse.core.filebuffers.FileBuffers;
import org.eclipse.core.filebuffers.ITextFileBuffer;
import org.eclipse.core.filebuffers.LocationKind;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.dltk.internal.corext.refactoring.RefactoringCoreMessages;
import org.eclipse.dltk.internal.corext.refactoring.base.DLTKChange;
import org.eclipse.ltk.core.refactoring.Change;
abstract class AbstractDeleteChange extends DLTKChange {
protected abstract Change doDelete(IProgressMonitor pm)
throws CoreException;
/*
* non java-doc
*
* @see IChange#perform(ChangeContext, IProgressMonitor)
*/
public final Change perform(IProgressMonitor pm) throws CoreException {
try {
pm.beginTask(RefactoringCoreMessages.AbstractDeleteChange_deleting,
1);
Change undo = doDelete(pm);
return undo;
} finally {
pm.done();
}
}
protected static void saveFileIfNeeded(IFile file, IProgressMonitor pm)
throws CoreException {
ITextFileBuffer buffer = FileBuffers.getTextFileBufferManager()
.getTextFileBuffer(file.getFullPath(), LocationKind.NORMALIZE);
if (buffer != null && buffer.isDirty() && buffer.isStateValidated()
&& buffer.isSynchronized()) {
pm.beginTask("", 2); //$NON-NLS-1$
buffer.commit(new SubProgressMonitor(pm, 1), false);
file.refreshLocal(IResource.DEPTH_ONE,
new SubProgressMonitor(pm, 1));
pm.done();
} else {
pm.beginTask("", 1); //$NON-NLS-1$
pm.worked(1);
pm.done();
}
}
}