@Override
protected Object prepareInput(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
// make sure all resources belong to the same repository
try (RevWalk rw = new RevWalk(repository)) {
monitor.beginTask(
UIText.GitCompareEditorInput_CompareResourcesTaskName, IProgressMonitor.UNKNOWN);
for (IResource resource : resources) {
RepositoryMapping map = RepositoryMapping.getMapping(resource.getProject());
if (map == null) {
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
}
if (repository != null && repository != map.getRepository())
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
String repoRelativePath = map.getRepoRelativePath(resource);
filterPathStrings.add(repoRelativePath);
DiffNode node =
new DiffNode(Differencer.NO_CHANGE) {
@Override
public Image getImage() {
return FOLDER_IMAGE;
}
};
diffRoots.put(new Path(map.getRepoRelativePath(resource)), node);
repository = map.getRepository();
}
if (repository == null)
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
if (monitor.isCanceled()) throw new InterruptedException();
final RevCommit baseCommit;
try {
try {
baseCommit = rw.parseCommit(repository.resolve(baseVersion));
} catch (IOException e) {
throw new InvocationTargetException(e);
}
final RevCommit compareCommit;
if (compareVersion == null) {
compareCommit = null;
} else {
try {
compareCommit = rw.parseCommit(repository.resolve(compareVersion));
} catch (IOException e) {
throw new InvocationTargetException(e);
}
}
if (monitor.isCanceled()) throw new InterruptedException();
// set the labels
CompareConfiguration config = getCompareConfiguration();
config.setLeftLabel(compareVersion);
config.setRightLabel(baseVersion);
// set title and icon
if (resources.length == 0) {
Object[] titleParameters =
new Object[] {
Activator.getDefault().getRepositoryUtil().getRepositoryName(repository),
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)
};
setTitle(NLS.bind(UIText.GitCompareEditorInput_EditorTitle, titleParameters));
} else if (resources.length == 1) {
Object[] titleParameters =
new Object[] {
resources[0].getFullPath().makeRelative().toString(),
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)
};
setTitle(
NLS.bind(UIText.GitCompareEditorInput_EditorTitleSingleResource, titleParameters));
} else {
setTitle(
NLS.bind(
UIText.GitCompareEditorInput_EditorTitleMultipleResources,
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)));
}
// build the nodes
try {
return buildDiffContainer(baseCommit, compareCommit, monitor);
} catch (IOException e) {
throw new InvocationTargetException(e);
}
} finally {
monitor.done();
}
}
}
