<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<base href="http://php.net" />
<title>Questionnaire</title>
<style type="text/css">@import "/poll/style.css";</style>
</head>
<body>
<h3>Questionnaire</h3>
<?php
require 'logic.inc';
function start_poll($poll, $qn=1) {
global $at_least_one_vote;
init($poll, $qn);
$at_least_one_vote = false;
$self = getenv('REQUEST_URI');
// consider adding a crumb here to prevent poll spoofing
echo <<<EOT
<form action="$self" method="POST">
<div class="main_box">
EOT;
}
function end_poll() {
global $at_least_one_vote;
if(!$at_least_one_vote) {
echo '<div align="center"><input type="submit"
value=" Submit Answers " /></div></form>';
} else {
echo '<div align="center"><input type="submit"
value=" Change Answers "/></div></form>';
}
echo "</div\n";
}
function select_one_of($choices) {
global $id, $qn, $at_least_one_vote;
if(!is_array($choices))
trigger_error("You must pass an array to select_one_of()", E_USER_ERROR);
// Grab the user's recorded answer to this question if any
$answer = voted($id,$qn);
$total_votes_on_this_question = total_votes($id,$qn);
$i='a';
echo '<table class="results">';
foreach($choices as $c) {
$checked = $answer?in_array($i,$answer):false;
echo "<tr><td><input type=\"radio\" name=\"q[$qn][]\"
value=\"$i\" ".($checked?'CHECKED':'')."/> $c</td>";
if($answer) {
$at_least_one_vote = true;
$percentage = 100*(($v=(int)results($id,$qn,$i))/
$total_votes_on_this_question);
$img = ($percentage) ?
('<img src="/poll/bline.gif" height="12" width="'.
(int)$percentage.'" />') :
'';
echo "<td> $v of $total_votes_on_this_question (".
sprintf("%.1f",$percentage)."%)</td><td> $img</td></tr>\n";
} else {
echo '</tr>';
}
$i++;
}
echo "</table>\n";
$qn++;
}
function select_any_of($choices) {
global $id, $qn, $at_least_one_vote;
if(!is_array($choices))
trigger_error("You must pass an array to select_any_of()", E_USER_ERROR);
// Grab the user's recorded answer to this question if any
$answer = voted($id,$qn);
$total_votes_on_this_question = total_votes($id,$qn);
$i='a';
echo '<table class="results">';
foreach($choices as $c) {
$checked = $answer?in_array($i,$answer):false;
echo "<tr><td><input type=\"checkbox\" name=\"q[$qn][]\"
value=\"$i\" ".($checked?'CHECKED':'')."/> $c</td>";
if($answer) {
$at_least_one_vote = true;
$percentage = 100*(($v=(int)results($id,$qn,$i))/
$total_votes_on_this_question);
$img = ($percentage>0.0) ?
('<img src="/poll/bline.gif" height="12" width="'.
(int)$percentage.'" />') :
'';
echo "<td> $v of $total_votes_on_this_question (".
sprintf("%.1f",$percentage)."%)</td><td> $img</td></tr>\n";
} else {
echo '</tr>';
}
$i++;
}
echo "</table>\n";
$qn++;
}
function text_answer($field_name,$len) {
global $id, $qn;
$answer = get_text_answer($id,$qn);
$size = (int)($len/2);
echo <<<EOT
<table class="results">
<tr><td>
<input type="textfield" size="$size" maxlength="$len" name="t[$qn]" value="$answer" />
</td></tr>
</table>
EOT;
$qn++;
}?>
