Author: heiko.braun(a)jboss.com Date: 2007-07-06 09:36:19 -0400 (Fri, 06 Jul 2007) New Revision: 3810 Added: projects/wiki/extensions/Graphviz.php Modified: projects/wiki/LocalSettings.php Log: enable graphviz extension Modified: projects/wiki/LocalSettings.php =================================================================== --- projects/wiki/LocalSettings.php 2007-07-06 10:50:43 UTC (rev 3809) +++ projects/wiki/LocalSettings.php 2007-07-06 13:36:19 UTC (rev 3810) @@ -153,4 +153,7 @@ # WIKI2XML require_once ("extensions/wiki2xml/extension.php"); +# Graphwiz +include("extensions/Graphviz.php"); +$wgGraphVizSettings->dotCommand = "/usr/bin/dot"; ?> Added: projects/wiki/extensions/Graphviz.php =================================================================== --- projects/wiki/extensions/Graphviz.php (rev 0) +++ projects/wiki/extensions/Graphviz.php 2007-07-06 13:36:19 UTC (rev 3810) @@ -0,0 +1,84 @@ +<?php + +# CoffMan (http://www.wickle.com) code adapted from timeline extension. +# Timeline extension +# To use, include this file from your LocalSettings.php +# To configure, set members of $wgGraphVizSettings after the inclusion + +class GraphVizSettings { + var $dotCommand; +}; +$wgGraphVizSettings = new GraphVizSettings; +$wgGraphVizSettings->dotCommand = "/usr/local/bin/dot"; + +$wgExtensionFunctions[] = "wfGraphVizExtension"; + +function wfGraphVizExtension() { + global $wgParser; + $wgParser->setHook( "graphviz", "renderGraphviz" ); +} + +function renderGraphviz( $timelinesrc ) +{ + global $wgUploadDirectory, $wgUploadPath, $IP, $wgGraphVizSettings, $wgArticlePath, $wgTmpDirectory; + $hash = md5( $timelinesrc ); + $dest = $wgUploadDirectory."/graphviz/"; + if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); } + if ( ! is_dir( $wgTmpDirectory ) ) { mkdir( $wgTmpDirectory, 0777 ); } + + $fname = $dest . $hash; +// echo $fname; + if ( ! ( file_exists( $fname.".png" ) || file_exists( $fname.".err" ) ) ) + { + $handle = fopen($fname, "w"); + fwrite($handle, $timelinesrc); + fclose($handle); + + $cmdline = wfEscapeShellArg( $wgGraphVizSettings->dotCommand) . + " -Tpng -o " . wfEscapeShellArg( $fname. ".png") . " " . + wfEscapeShellArg( $fname ) ; + $cmdlinemap = wfEscapeShellArg( $wgGraphVizSettings->dotCommand) . + " -Tcmapx -o " . wfEscapeShellArg( $fname. ".map") . " " . + wfEscapeShellArg( $fname ) ; +// echo $cmdline; +// exit; +// break; +// echo "ADIOS"; + $ret = `{$cmdline}`; + $ret = `{$cmdlinemap}`; + + unlink($fname); + +/* +if ( $ret == "" ) { + // Message not localized, only relevant during install + return "<div id=\"toc\"><tt>Timeline error: Executable not found. Command line was: {$cmdline}</tt></div>"; + } +*/ + } + + @$err=file_get_contents( $fname.".err" ); + + if ( $err != "" ) { + $txt = "<div id=\"toc\"><tt>$err</tt></div>"; + } else { + //echo $fname.".map"; + @$map = file_get_contents( $fname.".map" ); + //echo "mapa-antes:".$map; + $map=preg_replace("#<ma(.*)>#"," ",$map); + $map=str_replace("</map>","",$map); + + //echo "mapa:".$map; + if (substr(php_uname(), 0, 7) == "Windows") { + $ext = "gif"; + } else { + $ext = "png"; + } + + $txt = "<map name=\"$hash\">{$map}</map>". + "<img usemap=\"#{$hash}\" src=\"{$wgUploadPath}/graphviz/{$hash}.{$ext}\">"; + } + return $txt; +} + +?>