[FE training-materials-updates] beamer style: be a bit smarter when \sessionurl is empty

[thomas.petazzoni at free-electrons.com]

- Log -----------------------------------------------------------------
http://git.free-electrons.com/training-materials/commit/?id=2569095058b2cb24598d47db6ef35b7cd12ba72b

commit 2569095058b2cb24598d47db6ef35b7cd12ba72b
Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date:   Wed Feb 29 15:37:07 2012 +0100

    beamer style: be a bit smarter when \sessionurl is empty
    
    When \sessionurl is empty, we no longer print the "Electronic copies
    of these materials" followed by an empty URL.
    
    Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>

diff --git a/common/beamerthemeFreeElectrons.sty b/common/beamerthemeFreeElectrons.sty
index aaccd79..a3782c6 100644
--- a/common/beamerthemeFreeElectrons.sty
+++ b/common/beamerthemeFreeElectrons.sty
@@ -32,6 +32,7 @@
 \usepackage{environ}
 \usepackage{minted}
 \usepackage{setspace}
+\usepackage{etoolbox}
 
 \lstloadlanguages{C}
 \lstset{%
@@ -113,8 +114,10 @@
       © Copyright 2004-\the\year, Free Electrons.\\
       Creative Commons BY-SA 3.0 license.\\
       Latest update: \today.\\
-      Electronic copies of these materials:\\
-      \url{\sessionurl}\\
+      \ifdefempty{\sessionurl}{}{
+        Electronic copies of these materials:\\
+        \url{\sessionurl}\\
+      }
       Document updates and sources:\\
       \url{\@trainingurl}\\
       Corrections, suggestions, contributions and translations are welcome!
@@ -140,8 +143,10 @@
       © Copyright 2004-\the\year, Free Electrons.\\
       Creative Commons BY-SA 3.0 license.\\
       Latest update: \today.\\
-      Electronic copies of these materials:\\
-      \url{\sessionurl}\\
+      \ifdefempty{\sessionurl}{}{
+        Electronic copies of these materials:\\
+        \url{\sessionurl}\\
+      }
       Document updates and sources:\\
       \url{\@trainingurl}\\
       Corrections, suggestions, contributions and translations are welcome!

-----------------------------------------------------------------------

Summary of changes:
 common/beamerthemeFreeElectrons.sty |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)