public Object execute(ExecutionEvent event) throws ExecutionException {
boolean compareMode =
Boolean.TRUE.toString().equals(event.getParameter(HistoryViewCommands.COMPARE_MODE_PARAM));
IStructuredSelection selection = getSelection(getPage());
if (selection.size() < 1) return null;
Object input = getPage().getInputInternal().getSingleFile();
if (input == null) return null;
IWorkbenchPage workBenchPage =
HandlerUtil.getActiveWorkbenchWindowChecked(event).getActivePage();
boolean errorOccurred = false;
List<ObjectId> ids = new ArrayList<ObjectId>();
String gitPath = null;
if (input instanceof IFile) {
IFile resource = (IFile) input;
final RepositoryMapping map = RepositoryMapping.getMapping(resource);
gitPath = map.getRepoRelativePath(resource);
Iterator<?> it = selection.iterator();
while (it.hasNext()) {
RevCommit commit = (RevCommit) it.next();
String commitPath = getRenamedPath(gitPath, commit);
IFileRevision rev = null;
try {
rev = CompareUtils.getFileRevision(commitPath, commit, map.getRepository(), null);
} catch (IOException e) {
Activator.logError(
NLS.bind(UIText.GitHistoryPage_errorLookingUpPath, gitPath, commit.getId()), e);
errorOccurred = true;
}
if (rev != null) {
if (compareMode) {
ITypedElement right =
CompareUtils.getFileRevisionTypedElement(commitPath, commit, map.getRepository());
final GitCompareFileRevisionEditorInput in =
new GitCompareFileRevisionEditorInput(
SaveableCompareEditorInput.createFileElement(resource), right, null);
try {
CompareUtils.openInCompare(workBenchPage, in);
} catch (Exception e) {
errorOccurred = true;
}
} else
try {
EgitUiEditorUtils.openEditor(
getPart(event).getSite().getPage(), rev, new NullProgressMonitor());
} catch (CoreException e) {
Activator.logError(UIText.GitHistoryPage_openFailed, e);
errorOccurred = true;
}
} else ids.add(commit.getId());
}
}
if (input instanceof File) {
File fileInput = (File) input;
Repository repo = getRepository(event);
gitPath = getRepoRelativePath(repo, fileInput);
Iterator<?> it = selection.iterator();
while (it.hasNext()) {
RevCommit commit = (RevCommit) it.next();
String commitPath = getRenamedPath(gitPath, commit);
IFileRevision rev = null;
try {
rev = CompareUtils.getFileRevision(commitPath, commit, repo, null);
} catch (IOException e) {
Activator.logError(
NLS.bind(UIText.GitHistoryPage_errorLookingUpPath, commitPath, commit.getId()), e);
errorOccurred = true;
}
if (rev != null) {
if (compareMode)
try {
ITypedElement left =
CompareUtils.getFileRevisionTypedElement(
gitPath, new RevWalk(repo).parseCommit(repo.resolve(Constants.HEAD)), repo);
ITypedElement right =
CompareUtils.getFileRevisionTypedElement(commitPath, commit, repo);
final GitCompareFileRevisionEditorInput in =
new GitCompareFileRevisionEditorInput(left, right, null);
CompareUtils.openInCompare(workBenchPage, in);
} catch (IOException e) {
errorOccurred = true;
}
else
try {
EgitUiEditorUtils.openEditor(
getPart(event).getSite().getPage(), rev, new NullProgressMonitor());
} catch (CoreException e) {
Activator.logError(UIText.GitHistoryPage_openFailed, e);
errorOccurred = true;
}
} else ids.add(commit.getId());
}
}
if (errorOccurred) Activator.showError(UIText.GitHistoryPage_openFailed, null);
if (ids.size() > 0) {
StringBuilder idList = new StringBuilder(""); // $NON-NLS-1$
for (ObjectId objectId : ids) idList.append(objectId.getName()).append(' ');
MessageDialog.openError(
getPart(event).getSite().getShell(),
UIText.GitHistoryPage_fileNotFound,
NLS.bind(UIText.GitHistoryPage_notContainedInCommits, gitPath, idList.toString()));
}
return null;
}
private void reactOnOpen(OpenEvent event) {
Object selected = ((IStructuredSelection) event.getSelection()).getFirstElement();
ITypedElement left;
ITypedElement right;
if (selected instanceof IContainer) {
// open/close folder
TreeViewer tv = (TreeViewer) event.getViewer();
tv.setExpandedState(selected, !tv.getExpandedState(selected));
return;
} else if (selected instanceof IFile) {
final IFile res = (IFile) selected;
left =
new EditableRevision(new LocalFileRevision(res)) {
@Override
public void setContent(final byte[] newContent) {
try {
PlatformUI.getWorkbench()
.getProgressService()
.run(
false,
false,
new IRunnableWithProgress() {
public void run(IProgressMonitor myMonitor)
throws InvocationTargetException, InterruptedException {
try {
res.setContents(
new ByteArrayInputStream(newContent), false, true, myMonitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
});
} catch (InvocationTargetException e) {
Activator.handleError(
e.getTargetException().getMessage(), e.getTargetException(), true);
} catch (InterruptedException e) {
// ignore here
}
}
};
GitFileRevision rightRevision =
compareVersionMap.get(new Path(repositoryMapping.getRepoRelativePath(res)));
if (rightRevision == null) {
right =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
res.getName(),
getCompareVersion()));
} else {
String encoding = CompareCoreUtils.getResourceEncoding(res);
right = new FileRevisionTypedElement(rightRevision, encoding);
}
GitCompareFileRevisionEditorInput compareInput =
new GitCompareFileRevisionEditorInput(
left, right, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
CompareUtils.openInCompare(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), compareInput);
} else if (selected instanceof GitFileRevision) {
GitFileRevision rightRevision = (GitFileRevision) selected;
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
rightRevision.getName(),
getBaseVersion()));
right = new FileRevisionTypedElement(rightRevision);
} else if (selected instanceof PathNode) {
PathNode node = (PathNode) selected;
switch (node.type) {
case FILE_BOTH_SIDES_DIFFER:
// fall through
case FILE_BOTH_SIDES_SAME:
{
// open a compare editor with both sides filled
GitFileRevision rightRevision = compareVersionMap.get(node.path);
right = new FileRevisionTypedElement(rightRevision);
GitFileRevision leftRevision = baseVersionMap.get(node.path);
left = new FileRevisionTypedElement(leftRevision);
break;
}
case FILE_DELETED:
{
// open compare editor with left side empty
GitFileRevision rightRevision = compareVersionMap.get(node.path);
right = new FileRevisionTypedElement(rightRevision);
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
rightRevision.getName(),
getBaseVersion()));
break;
}
case FILE_ADDED:
{
// open compare editor with right side empty
GitFileRevision leftRevision = baseVersionMap.get(node.path);
left = new FileRevisionTypedElement(leftRevision);
right =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
leftRevision.getName(),
getCompareVersion()));
break;
}
case FOLDER:
// open/close folder
TreeViewer tv = (TreeViewer) event.getViewer();
tv.setExpandedState(selected, !tv.getExpandedState(selected));
return;
default:
return;
}
} else if (selected instanceof PathNodeAdapter) {
// deleted in workspace
PathNodeAdapter node = (PathNodeAdapter) selected;
GitFileRevision rightRevision = compareVersionMap.get(node.pathNode.path);
right = new FileRevisionTypedElement(rightRevision);
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
node.pathNode.path.lastSegment(),
getBaseVersion()));
} else return;
GitCompareFileRevisionEditorInput compareInput =
new GitCompareFileRevisionEditorInput(
left, right, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
CompareUtils.openInCompare(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), compareInput);
}