beamerthemeUMBC.sty: allow partless sections.

[beamer-mjo.git] / beamerthemeUMBC.sty

diff --git a/beamerthemeUMBC.sty b/beamerthemeUMBC.sty
index ac0a4a610428fb5dc30372ae8d7566610c698736..6824ac8a18928e05e17d11c395b36e069a35246e 100644 (file)
--- a/beamerthemeUMBC.sty
+++ b/beamerthemeUMBC.sty
@@ -10,10 +10,21 @@
 % Create a slide introducing new sections.
 \AtBeginSection[]{
   \begin{frame}
-    \frametitle{Part \thepart, Section \thesection}
+    \frametitle{
+      \ifx\insertpart\@empty%
+      \else%
+      Part \thepart, %
+      \fi%
+      Section \thesection
+    }
     \vfill
     \begin{center}
-      \usebeamerfont{title}\insertpart: \insertsectionhead\par%
+      \usebeamerfont{title}
+      \ifx\insertpart\@empty%
+      \else%
+      \insertpart: %
+      \fi%
+      \insertsectionhead\par%
     \end{center}
     \vfill
   \end{frame}
@@ -21,8 +32,27 @@
 
 % Define a new ``partsecframe'' environment that uses a default frame
 % title of ``<part>: <section>'' when no other frame title is given.
-\newenvironment{partsecframe}[1][\insertpart: \insertsectionhead]
+\newenvironment{partsecframe}[1][%
+  \ifx\insertpart\@empty%
+  \else%
+  \insertpart: %
+  \fi%
+  \insertsectionhead%
+]
   {\begin{frame}{#1}}
   {\end{frame}}
 
+% Define a new ``refsframe'' environment for the bibliography.
+% It automatically handles the frame breaks, and fixes the busted
+% vertical spacing on slides >= 2. The extra curly braces ensure that
+% the change to the ``frametitle continuation'' template are only
+% temporary.
+\newenvironment{refsframe}[1][References] {
+    \splittopskip=2.13em % Fixes the vertical spacing of split frames.
+    \setbeamertemplate{frametitle continuation}{} % Same title for all frames.
+    \begin{frame}[allowframebreaks]{#1}
+  }
+  { \end{frame} }
+
+
 \mode<all>