From 1f28e4dc5f1f6d8e61fea4f10ea3d2451138c408 Mon Sep 17 00:00:00 2001
From: Xu Yuan <xu@informatik.hu-berlin.de>
Date: Sat, 1 Oct 2011 13:40:02 +0200
Subject: bugfix in finding explode from array input

---
 dev/demo/color.tex     |  2 ++
 dev/demo/explode.tex   |  7 +++++--
 dev/pgf-pie-manual.tex |  8 ++++----
 dev/pgf-pie.sty        | 13 +++++++++----
 4 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/dev/demo/color.tex b/dev/demo/color.tex
index 974774a..cb79b8c 100644
--- a/dev/demo/color.tex
+++ b/dev/demo/color.tex
@@ -1,4 +1,6 @@
 \begin{tikzpicture}
   \pie[color={black!10, black!20, black!30, black!40}]
   {10/A, 20/B, 30/C, 40/D}
+
+  \pie[pos={8,0}, color=blue!20] {10/A, 20/B, 30/C, 40/D}
 \end{tikzpicture}
diff --git a/dev/demo/explode.tex b/dev/demo/explode.tex
index d47e49b..94c83fc 100644
--- a/dev/demo/explode.tex
+++ b/dev/demo/explode.tex
@@ -1,4 +1,7 @@
 \begin{tikzpicture}
-  \pie[explode={0, 0, 0, 0.1}]
-  {10/A, 20/B, 30/C, 40/D}
+  % explode list
+  \pie[explode={0, 0, 0, 0.1}] {10/A, 20/B, 30/C, 40/D}
+
+  % explode all
+  \pie[pos={8,0}, explode=0.1] {10/A, 20/B, 30/C, 40/D}
 \end{tikzpicture}
\ No newline at end of file
diff --git a/dev/pgf-pie-manual.tex b/dev/pgf-pie-manual.tex
index 3933cb4..545b4d2 100644
--- a/dev/pgf-pie-manual.tex
+++ b/dev/pgf-pie-manual.tex
@@ -90,21 +90,21 @@ keywordstyle=\color{blue}
 \subsection{First Pie}
 \demo[0.6]{first-pie}
 
-\subsection{Explode}
-\demo[0.6]{explode}
-
 \subsection{Radius, Position}
 The size of chart can be set by \texttt{radius}, default is 3. The
 center of chart can be set by \texttt{pos}, default is \texttt{\{0,0\}}.
 
 \demo{radius}
 
+\subsection{Explode}
+\demo{explode}
+
 \subsection{Label}
 
 \demo[0.6]{before-after-number}
 
 \subsection{Color}
-\demo[0.6]{color}
+\demo{color}
 
 \subsection{Style}
 \demo[0.6]{style}
diff --git a/dev/pgf-pie.sty b/dev/pgf-pie.sty
index a9347ad..ffbee97 100644
--- a/dev/pgf-pie.sty
+++ b/dev/pgf-pie.sty
@@ -80,7 +80,6 @@ chart by using PGF/Tikz package.]
   }
   \pgfkeys{#1}
 
-  \def\explodearray{{\explode}}
   \setcounter{pgfpie@explodeLength}{0}
   \foreach \e in \explode { \addtocounter{pgfpie@explodeLength}{1} }
 
@@ -95,8 +94,14 @@ chart by using PGF/Tikz package.]
     \addtocounter{pgfpie@angleEnd}{\p}
 
     % find explode
-    \pgfmathparse{\explodearray[int(mod(\i,\value{pgfpie@explodeLength}))]}
-    \let\e\pgfmathresult
+    \pgfmathparse{int(mod(\i,\value{pgfpie@explodeLength}))}
+    \let\ei\pgfmathresult
+    \foreach \e [count=\j from 0] in \explode {
+      \ifnum \j=\ei
+      \xdef\theexplode{\e}
+      \breakforeach
+      \fi
+    }
 
     % find color
     \pgfmathparse{int(mod(\i,\value{pgfpie@colorLength}))}
@@ -112,7 +117,7 @@ chart by using PGF/Tikz package.]
     {\thepgfpie@angleEnd/100*360}
     {\beforenumber \p \afternumber}
     {\t}
-    {\e}
+    {\theexplode}
     {\thecolor}
     {\radius}
     {\pos}
-- 
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