<?php
/*
RandomPage is a simple web interface to get a list of
random page names from a wiki.
Copyright (C) 2006, Daniel Kinzler, brightbyte.de
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
if ( defined( 'WS_TOC' ) ) {
$info['ignore'] = true;
return;
}
die("broken!");
define("WS_WEB",true);
require_once( "common/WebInit.php" );
function renderMatrix( $data, $header=true, $legend= true ) {
global $mincol, $maxcol, $neutralcol;
$min= array();
$max= array();
foreach ($data as $row) {
foreach ($row as $col => $v) {
if (!is_int($v) && !is_float($v) && !is_numeric($v)) continue;
if (!isset($min[$col]) || $min[$col]>$v) $min[$col]= $v;
if (!isset($max[$col]) || $max[$col]<$v) $max[$col]= $v;
}
}
print "\t<table class='matrix'>";
#TODO: header!
foreach ($data as $r => $row) {
print "\t\t<tr>";
foreach ($row as $col => $v) {
$color= $neutralcol;
if (isset($min[$col]) && isset($max[$col]) && $min[$col] != $max[$col] && (is_int($v) || is_float($v) || is_numeric($v))) {
$f= ( $v - $min[$col] ) / ( $max[$col] - $min[$col] );
$color= array(
(int)($mincol[0] + ( $maxcol[0] - $mincol[0] ) * $f),
(int)($mincol[1] + ( $maxcol[1] - $mincol[1] ) * $f),
(int)($mincol[2] + ( $maxcol[2] - $mincol[2] ) * $f),
);
}
$color= sprintf('#%02X%02X%02X', $color[0], $color[1], $color[2]);
$tag= "td";
if ($header && $r === 0) $tag= "th";
if ($legend && $col === 0) $tag= "th";
print "<$tag style='background-color:$color;'>".escapeHtml($v)."</$tag>";
}
print "</tr>\n";
}
print "</table>\n";
}
function loadData($file) {
$rows= file($file);
if (!$rows) return $rows;
foreach ($rows as $i => $line) {
$rows[$i]= explode("\t", $line);
}
return $rows;
}
function findDataFile($name) {
global $wsgDataDir;
$name= urlencode($name);
$f= "$wsgDataDir/$name-*.tsv";
$ff= glob($f);
if (!$ff) return false;
$f= $ff[sizeof($ff)-1];
return $f;
}
function findGraphFile($name) {
global $wsgDataDir;
$name= urlencode($name);
$f= "$wsgDataDir/$name-*.png";
$ff= glob($f);
if (!$ff) return false;
$f= $ff[sizeof($ff)-1];
return $f;
}
function printPageTop($title) {
header("Content-Type: text/html; charset=utf-8");
print '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title><?=escapeHtml($title)?></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<style type='text/css'>
table.matrix { background-color: #F0F0F0; }
table.matrix th { text-align:left; }
table.matrix td { text-align:right; }
</style>
</head>
<body>
<div style='margin-left:auto; margin-right:auto; width:720px;'>
<? wsfHeader() ?>
<h1><?=escapeHtml($title)?></h1>
<?
}
function printPageBottom() {
wsfFooter();
?>
</div>
</body>
</html>
<?
}
if (!isset($wsgDataDir)) $wsgDataDir= '/tmptmp';
$mincol= array( 255, 255, 255 );
$maxcol= array( 255, 255, 0 );
$neutralcol= array( 255, 255, 255 );
if (@$_REQUEST['data']) {
$f= findDataFile($_REQUEST['data']);
if (!$f) httpError(404,"Not Found","can't find data file \"{$_REQUEST['image']}\"");
if (!is_readable($f)) httpError(403,"Forbidden","can't access data file \"{$_REQUEST['image']}\"");
$d= loadData($f);
if (!$d) httpError(500,"Internal Server Error","failed to load data file \"{$_REQUEST['image']}\"");
printPageTop($_REQUEST['data']);
renderMatrix($d);
printPageBottom();
}
else if (@$_REQUEST['graph']) {
$g= $_REQUEST['graph'];
$u= $_SERVER['PHP_SELF'].'?image='.urlencode($g);
printPageTop($_REQUEST['graph']);
print "<img src='$u' alt='".escapeHtml($g,ENT_QUOTES)."'/>";
printPageBottom();
}
else if (@$_REQUEST['image']) {
$f= findGraphFile($_REQUEST['image']);
if (!$f) httpError(404,"Not Found","can't find image file \"{$_REQUEST['image']}\"");
if (!is_readable($f)) httpError(403,"Forbidden","can't access image file \"{$_REQUEST['image']}\"");
header("Content-Type: image/png"); #TODO: other formats?...
$r= readfile($f);
if (!$r) httpError(500,"Internal Server Error","failed to read image file \"{$_REQUEST['image']}\"");
}
else {
if (!$r) httpError(400,"Bad Request","missing arguments");
}
?>Matrix.php
application/x-php, 5595 bytes (load raw)
