From 80d909981595bf3ca0c860f5b760ea6231d12dce Mon Sep 17 00:00:00 2001
From: JT Smith <jt@plainblack.com>
Date: Thu, 1 Aug 2002 02:47:03 +0000
Subject: [PATCH] Poll answers are now randomizable.

---
 docs/upgrades/upgrade_4.4.1-4.5.0.sql |  3 ++-
 lib/WebGUI/Utility.pm                 | 13 ++++++++++++-
 lib/WebGUI/Wobject/Poll.pm            | 19 +++++++++++++++----
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/docs/upgrades/upgrade_4.4.1-4.5.0.sql b/docs/upgrades/upgrade_4.4.1-4.5.0.sql
index 3219abb57..56050d60f 100644
--- a/docs/upgrades/upgrade_4.4.1-4.5.0.sql
+++ b/docs/upgrades/upgrade_4.4.1-4.5.0.sql
@@ -1,4 +1,5 @@
 insert into webguiVersion values ('4.5.0','upgrade',unix_timestamp());
-
+insert into international values (72,'Poll',1,'Randomize answers?');
+alter table Poll add column randomizeAnswers int not null default 0;
 
 
diff --git a/lib/WebGUI/Utility.pm b/lib/WebGUI/Utility.pm
index cddcde2dc..d4bd451eb 100644
--- a/lib/WebGUI/Utility.pm
+++ b/lib/WebGUI/Utility.pm
@@ -15,7 +15,7 @@ use strict;
 use Tie::IxHash;
 
 our @ISA = qw(Exporter);
-our @EXPORT = qw(&sortHashDescending &sortHash &isIn &randint &round);
+our @EXPORT = qw(&randomizeArray &sortHashDescending &sortHash &isIn &randint &round);
 
 #-------------------------------------------------------------------
 sub isIn {
@@ -47,6 +47,17 @@ sub randint {
 	return $low + int( rand( $high - $low + 1 ) );
 }
 
+#-------------------------------------------------------------------
+sub randomizeArray {
+	my ($array, $i, $j);
+	$array = shift;
+	for ($i = @$array; --$i; ) {
+		$j = int rand ($i+1);
+		next if $i == $j;
+		@$array[$i,$j] = @$array[$j,$i];
+	}
+}
+
 #-------------------------------------------------------------------
 sub round {
         return sprintf("%.0f", $_[0]);
diff --git a/lib/WebGUI/Wobject/Poll.pm b/lib/WebGUI/Wobject/Poll.pm
index 46085aa41..ec38230b3 100644
--- a/lib/WebGUI/Wobject/Poll.pm
+++ b/lib/WebGUI/Wobject/Poll.pm
@@ -36,6 +36,7 @@ sub duplicate {
         $w = WebGUI::Wobject::Poll->new({wobjectId=>$w,namespace=>$namespace});
         $w->set({
                 active=>$_[0]->get("active"),
+                randomizeAnswers=>$_[0]->get("randomizeAnswers"),
                 graphWidth=>$_[0]->get("graphWidth"),
                 voteGroup=>$_[0]->get("voteGroup"),
                 question=>$_[0]->get("question"),
@@ -85,7 +86,7 @@ sub purge {
 
 #-------------------------------------------------------------------
 sub set {
-        $_[0]->SUPER::set($_[1],[qw(active karmaPerVote graphWidth voteGroup question a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20)]);
+        $_[0]->SUPER::set($_[1],[qw(active karmaPerVote graphWidth voteGroup question randomizeAnswers a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20)]);
 }
 
 #-------------------------------------------------------------------
@@ -100,12 +101,14 @@ sub www_copy {
 
 #-------------------------------------------------------------------
 sub www_edit {
-        my ($f, $i, $output, $active, $voteGroup, $graphWidth, $answers);
+        my ($f, $i, $output, $active, $voteGroup, $graphWidth, $answers, $randomizeAnswers);
         if (WebGUI::Privilege::canEditPage()) {
 		if ($_[0]->get("wobjectId") eq "new") {
 			$active = 1;
+			$randomizeAnswers = 1;
 		} else {
 			$active = $_[0]->get("active");
+			$randomizeAnswers = $_[0]->get("randomizeAnswers");
 		}
 		$voteGroup = $_[0]->get("voteGroup") || 7;
 		$graphWidth = $_[0]->get("graphWidth") || 150;
@@ -127,6 +130,7 @@ sub www_edit {
 		$f->integer("graphWidth",WebGUI::International::get(5,$namespace),$graphWidth);
 		$f->text("question",WebGUI::International::get(6,$namespace),$_[0]->get("question"));
                 $f->textarea("answers",WebGUI::International::get(7,$namespace).'<span class="formSubtext"><br>'.WebGUI::International::get(8,$namespace).'</span>',$answers);
+		$f->yesNo("randomizeAnswers",WebGUI::International::get(72,$namespace),$randomizeAnswers);
 		$output .= $_[0]->SUPER::www_edit($f->printRowsOnly);
 		if ($_[0]->get("wobjectId") ne "new") {
 			$output .= '<p>';
@@ -148,6 +152,7 @@ sub www_editSave {
                 for ($i=1; $i<=20; $i++) {
                 	$property->{'a'.$i} = $answer[($i-1)];
                 }
+		$property->{randomizeAnswers} = $session{form}{randomizeAnswers};
 		$property->{karmaPerVote} = $session{form}{karmaPerVote};
 		$property->{voteGroup} = $session{form}{voteGroup};
 		$property->{graphWidth} = $session{form}{graphWidth};
@@ -170,7 +175,7 @@ sub www_resetVotes {
 
 #-------------------------------------------------------------------
 sub www_view {
-	my ($hasVoted, $output, $showPoll, $f, $i, $totalResponses, @data);
+	my ($hasVoted, $answer, $output, @answers, $showPoll, $f, $i, $totalResponses, @data);
         $output = $_[0]->displayTitle;
         $output .= $_[0]->description;
 	if ($_[0]->get("active") eq "0") {
@@ -193,9 +198,15 @@ sub www_view {
                 $f->hidden('func','vote');
                 for ($i=1; $i<=20; $i++) {
                         if ($_[0]->get('a'.$i) =~ /\w/) {
-                                $f->raw('<input type="radio" name="answer" value="a'.$i.'"> <span class="pollAnswer">'.$_[0]->get('a'.$i).'</span><br>');
+                                $answers[($i-1)] = '<input type="radio" name="answer" value="a'.$i.'"> <span class="pollAnswer">'.$_[0]->get('a'.$i).'</span><br>';
                         }
                 }
+		if ($_[0]->get("randomizeAnswers")) {
+			randomizeArray(\@answers);
+		}
+		foreach $answer (@answers) {
+			$f->raw($answer);
+		}
                 $f->raw('<br>');
 		$f->submit(WebGUI::International::get(11,$namespace));
 		$output .= $f->print;