/*******************************************************************************
* Copyright (C) 2012, Robin Stocker <robin@nibor.org>
*
* 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.egit.ui.internal;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.filebuffers.FileBuffers;
import org.eclipse.core.filebuffers.ITextFileBuffer;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.internal.util.ProjectUtil;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.Saveable;
/**
* Filter which checks if the path/resources behind the saveable is part of the
* work dir of the repository.
*/
public class RepositorySaveableFilter extends SaveFilter {
private final IPath workDir;
private final List<Saveable> saveCandidates = new ArrayList<Saveable>();
/**
* @param repository
* to check
*/
public RepositorySaveableFilter(Repository repository) {
super(ProjectUtil.getProjects(repository));
this.workDir = new Path(repository.getWorkTree().getAbsolutePath());
}
public boolean select(Saveable saveable, IWorkbenchPart[] containingParts) {
boolean selected = super.select(saveable, containingParts);
if (!selected)
selected = isTextFileBufferInWorkDir(saveable);
if (selected)
saveCandidates.add(saveable);
return selected;
}
private boolean isTextFileBufferInWorkDir(Saveable saveable) {
IDocument document = (IDocument) saveable.getAdapter(IDocument.class);
if (document == null)
return true; // be conservative and assume this needs to be saved
ITextFileBuffer textFileBuffer = FileBuffers.getTextFileBufferManager()
.getTextFileBuffer(document);
if (textFileBuffer != null)
return isInWorkDir(textFileBuffer.getLocation());
return false;
}
private boolean isInWorkDir(IPath location) {
return location != null && workDir.isPrefixOf(location);
}
/**
* @return true if any of the Savables that successfully passed
* {@link #select(Saveable, IWorkbenchPart[])} have been actually
* saved (are not dirty anymore)
*/
public boolean isAnythingSaved() {
for (Saveable savable : saveCandidates)
if (!savable.isDirty())
return true;
return false;
}
}