private void paintBusy(final boolean isBusy) {
    if (isBusy) {
      myChangesTreeList.setEmptyText("");
      myChangesTreeLoadingPanel.startLoading();
    }
    else {
      myChangesTreeList.setEmptyText(VcsBundle.message("commit.dialog.no.changes.detected.text"));
      myChangesTreeLoadingPanel.stopLoading();
    }
  }
private void paintBusy(final boolean isBusy)