@Override
public void update(AnActionEvent e) {
super.update(e);
Presentation presentation = e.getPresentation();
Project project = e.getProject();
if (project == null) {
presentation.setEnabled(false);
presentation.setVisible(false);
return;
}
VirtualFile[] vFiles = e.getData(CommonDataKeys.VIRTUAL_FILE_ARRAY);
if (vFiles == null || vFiles.length != 1 || vFiles[0] == null) { // only 1 file for now
presentation.setEnabled(false);
presentation.setVisible(true);
return;
}
GitRepositoryManager manager = GitUtil.getRepositoryManager(project);
GitRepository repository = manager.getRepositoryForFile(vFiles[0]);
if (repository == null || repository.isFresh() || noBranchesToCompare(repository)) {
presentation.setEnabled(false);
presentation.setVisible(true);
return;
}
presentation.setEnabled(true);
presentation.setVisible(true);
}
@Override
public void actionPerformed(final AnActionEvent event) {
final Project project = event.getProject();
assert project != null;
final VirtualFile file = getAffectedFile(event);
GitRepositoryManager manager = GitUtil.getRepositoryManager(project);
GitRepository repository = manager.getRepositoryForFile(file);
assert repository != null;
GitBranch currentBranch = repository.getCurrentBranch();
final String head;
if (currentBranch == null) {
String currentRevision = repository.getCurrentRevision();
LOG.assertTrue(
currentRevision != null,
"Current revision is null for "
+ repository
+ ". Compare with branch shouldn't be available for fresh repository");
head = DvcsUtil.getShortHash(currentRevision);
} else {
head = currentBranch.getName();
}
final List<String> branchNames = getBranchNamesExceptCurrent(repository);
// prepare and invoke popup
final JBList list = new JBList(branchNames);
JBPopupFactory.getInstance()
.createListPopupBuilder(list)
.setTitle("Select branch to compare")
.setItemChoosenCallback(new OnBranchChooseRunnable(project, file, head, list))
.setAutoselectOnMouseMove(true)
.createPopup()
.showInBestPositionFor(event.getDataContext());
}
@NotNull
private GitRepository getRepository(@NotNull FilePath path) {
GitRepository repository = myRepositoryManager.getRepositoryForFile(path);
LOG.assertTrue(repository != null, "Repository is null for " + path);
return repository;
}