Extension:SimpleViewer.php
<?php
- Extension:SimpleViewer
- - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)
- - Author: User:RobCategory:Extensions created with Template:Extension
- Template:Php
if (!defined('MEDIAWIKI')) die('Not an entry point.');
define('SIMPLEVIEWER_VERSION','0.0.1');
$egSimpleViewerMagic = "simpleviewer"; $egSimpleViewEnableHook = true; $wgExtensionFunctions[] = 'efSetupSimpleViewer'; $wgHooks['ParserBeforeStrip'][] = 'efSimpleViewer'; $wgHooks['LanguageGetMagic'][] = 'efSimpleViewerLanguageGetMagic';
$wgSimpleViewerUrlMagic = "magic_magic";
$wgExtensionCredits['parserhook'][] = array( 'name' => 'SimpleViewer', 'author' => 'User:Rob', 'description' => 'Mediawiki integration with SimpleViewer from Airtight interactive', 'url' => 'http://www.organicdesign.co.nz/Extension:SimpleViewer.php', 'version' => SIMPLEVIEWER_VERSION );
class SimpleViewer {
# Constructor function __construct() { global $wgHooks,$wgParser,$egSimpleViewerMagic,$egSimpleViewerTag;
# Add the parser-function $wgParser->setFunctionHook($egSimpleViewerMagic,array($this,'magicSimpleviewer'));
}
# Expand the simpleviewer-magic function magicSimpleviewer(&$parser) { global $egSimpleViewerMagic, $wgOut, $wgScriptPath, $wgParser, $wgCanonicalNamespaceNames, $wgSimpleViewerUrlMagic; # Populate $argv with both named and numeric parameters $argv = array(); foreach (func_get_args() as $arg) if (!is_object($arg)) { if (preg_match('/^(.+?)\\s*=\\s*(.+)$/',$arg,$match)) $argv[$match[1]] = $match[2]; else $argv[] = $arg; }
# list of keys that the parser funtion will accept # src is not included here because it is not passed on to the javascript # format: key => regexp validation, default value $passparams = array( 'maxImageWidth' => array('/(\d+)/', 600 ), 'maxImageHeight' => array('/(\d+)/', 600), 'textColor' => array('/(0x\d{6})/i', '0xffffff'), 'frameColor' => array('/(0x\d{6})/i', '0xaaaaaa'), 'frameWidth' => array('/(\d+)/', 2), 'stagePadding' => array('/(\d+)/', 40), 'thumbnailColumns' => array('/(\d+)/', 3), 'thumbnailRows' => array('/(\d+)/', 3), 'navPosition' => array('/(left|right)/', 'left'), 'title' => array('/(.*)/', ), 'enableRightClickOpen' => array('/(true|false)/i', 'true') );
/*foreach($argv as $key => $value) {
if(array_key_exists($key, $passparams)) {
if(preg_match($passparams[$key][0], $v, $match) != 0) {
$variables .= "fo.addVariable('$key', '".$match[1][0]."'); ";
} }
}*/ /* @params src - page containing a bullet list of images :: what follows are taken directly from the SimpleViewer docs maxImageWidth - width of your largest image in pixels. Used to determine the best layout for your gallery. maxImageHeight - height of your largest image in pixels. Used to determine the best layout for your gallery. textColor - Color of title and caption text (hexidecimal color value e.g 0xff00ff). textColor - Color of image frame, navigation buttons and thumbnail frame (hexidecimal color value e.g 0xff00ff). frameWidth - Width of image frame in pixels. stagePadding - Distance between image and thumbnails and around gallery edge in pixels. thumbnailColumns - number of thumbnail rows. (To disable thumbnails completely set this value to 0.) thumbnailRows - number of thumbnail columns. (To disable thumbnails completely set this value to 0.) navPosition - Position of thumbnails relative to image. Can be "top", "bottom","left" or "right". title - Text to display as gallery Title enableRightClickOpen - Whether to display a 'Open In new Window...' dialog when right-clicking on an image. Can be "true" or "false" backgroundImagePath (optional) - Relative or absolute path to a JPG or SWF to load as the */
$title = Title::newFromText($argv['src']); $ns = $title->getNsText(); $db = $title->getDBkey(); $urlsafe = $ns.$wgSimpleViewerUrlMagic.$db;
#$wgParser->disableCache();
#$wgOut->setHeaders(); # construct wikitext with <gallery> tags for use where flash is not available # get title # get article /* eg html gallery <gallery widths="250px" heights="250px" perrow="3">
Image:Speak,-memory,-an-autobiography.jpg|File:Speak,-memory,-an-autobiography.jpg
*/
# add the javascript and build the embed code
$script = "
\n<script type='text/javascript'>var fo = new SWFObject('$wgScriptPath/extensions/SimpleViewer/simpleviewer/viewer.swf?a', 'viewer', '100%', '500px', '7', '#000000'); fo.addVariable('preloaderColor', '0xaaaaaa'); fo.addVariable('xmlDataPath', '$wgScriptPath/index.php/SpecialSimpleViewer/$urlsafe'); ".$variables."fo.write('flashcontent');</script>";
- /research/extensions/SimpleViewer/simpleviewer/Special:Test.xml
- /research/index.php/Special:SpecialSimpleViewer/Mint_Media:Gallery
- $wgScriptPath/index.php/Special:SpecialSimpleViewer/$urlsafe
- /research/index.php/Special:SpecialSimpleViewer?src=Mint_Media:Gallery
- $script = $wikitext;
# Return result with available parser flags return array( $script, 'noparse' => true, 'isHTML' => true );
}
# Needed in some versions to prevent Special:Version from breaking function __toString() { return 'SimpleViewer'; }
}
function efSetupSimpleViewer() {
global $wgOut, $wgScriptPath; $wgOut->addScript("<script type=\"text/javascript\" src=\"$wgScriptPath/extensions/SimpleViewer/simpleviewer/swfobject.js\"></script>"); }
function efSimpleViewer( &$parser ) { global $egSimpleViewer, $wgSimpleViewerUrlMagic, $wgOut, $wgCanonicalNamespaceNames, $wgScriptPath, $wgServer, $egSimpleViewEnableHook; if (!$egSimpleViewEnableHook) return true; # add script in all cases,client caches external js file so not too bad for efficiency
$egSimpleViewer = new SimpleViewer();
#print($_REQUEST['title']); if(preg_match("#^SpecialSimpleViewer/#", $_REQUEST['title'])) {
header('Content-Type: text/xml');
$wgOut->disable(); wfResetOutputBuffers();
# is this an image request? $m = preg_match_all("#SpecialSimpleViewer/images/(\d+)/(.+)#i", $_REQUEST['title'], $matches, PREG_SET_ORDER); $size = $matches[0][1]; $file = $matches[0][2];
# if the url is of the form Special:SpecialSimpleViewer/images/200/foo.jpg # then send a redirect to get thumb.php to do the resizing if($m > 0) { header("Location: $wgScriptPath/thumb.php?f=$file&width=$size"); return false; }
# Redirect can make things a bit slower so may provide the image directly in future
# if we got this far it's not an image and we should output an XML file
# params:
# src = article name containing a list of images for the gallery, article may also contain a DPL query (not working)
preg_match_all("#SpecialSimpleViewer/(.+)$#", $_REQUEST['title'], $matches, PREG_SET_ORDER); #print_r($matches); $t = str_replace($wgSimpleViewerUrlMagic, ':', $matches[0][1]); #print($t);
# get article content $title = Title::newFromText($t); # if the image article does not exist exit if(!$title) { print "title not valid"; return false; }
$article = new Article($title); $content = $article->getContent(); $egSimpleViewEnableHook = false;
$wikitext = $parser->preprocess( $content, $title, $parser->getOptions() );
#print($wikitext);
# parse the wikitext to expand templates and parser functions #$wgParser = new Parser();
#$wikitext = $wgParser->preprocess($wikitext, $title,new ParserOptions());
# need some heiristics here to handle a few reasonable image-article-list formats
# we accept the default output format of DPL for now
# $wikitext =
- Image:Industrial-design-a-to-z.jpg
- etc
# make a list of image names excluding the namespace (Image:) $ns_image = $wgCanonicalNamespaceNames[NS_IMAGE]; #print_r($wikitext);
preg_match_all("/\[\[:?".$ns_image.":(.+?)(\||\]\])/mi", $wikitext, $image); if(count($image[1]) == 0 )
preg_match_all("/\*\s*".$ns_image.":(.+?)\s*$/mi", $wikitext, $image);
# standard header, other options to add later print("<?xml version='1.0' encoding='UTF-8'?> <simpleviewerGallery maxImageWidth='600' maxImageHeight='600' textColor='0xffffff' frameColor='0xaaaaaa' frameWidth='2' stagePadding='40' thumbnailColumns='3' thumbnailRows='3' navPosition='left' title= enableRightClickOpen='true' backgroundImagePath= imagePath='$wgScriptPath/index.php/SpecialSimpleViewer/images/500/' thumbPath='$wgScriptPath/index.php/SpecialSimpleViewer/images/100/'>"); # simpleviewer requires a TRAILING / on the imagePath and thumbPath params
# loop and generate <image> containers foreach($image[1] as $i) { #$html = htmlentities(file_get_contents("$wgServer$wgScriptPath/index.php/$ns_image:$i?action=render")); $title = Title::newFromText($i, NS_IMAGE); $article = new Article($title); $html = htmlentities($parser->parse($article->getContent(), $title, $parser->getOptions(),true,false )->getText());print("<image><filename>$i</filename>$html</image>\n"); } $egSimpleViewEnableHook = true;
# close document print("</simpleviewerGallery>"); return false;
}
return true; }
- Needed in MediaWiki >1.8.0 for magic word hooks to work properly
function efSimpleViewerLanguageGetMagic(&$magicWords,$langCode = 0) { global $egSimpleViewerMagic; $magicWords[$egSimpleViewerMagic] = array(0,$egSimpleViewerMagic); return true; }