Extension:SimpleForms.php
<?php
- MediaWiki SimpleForms Extension
- - See http://www.mediawiki.org/wiki/Extension:Simple_Forms for installation and usage details
- - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)
- - Author: http://www.organicdesign.co.nz/nad
- - Started: 2007-04-25, see article history
- {{#Security:*|dev}}{{#Security:view|*}}Template:Php
$wgSimpleFormsVersion = 'Version 0.01/2007-04-29';
$wgSimpleFormsFormMagic = "form"; # the parser-function name for form containers $wgSimpleFormsInputMagic = "input"; # the parser-function name for form inputs $wgSimpleFormsRequestMagic = "request"; # the parser-function name for accessing the post/get variables $wgSimpleFormsRequestPrefix = "sf_"; # restricts #request and GET/POST variable names to their own namespace, set to "" to disable
$wgExtensionFunctions[] = 'wfSetupSimpleForms'; $wgHooks['LanguageGetMagic'][] = 'wfSimpleFormsLanguageGetMagic';
$wgExtensionCredits['parserhook'][] = array( 'name' => "Simple Forms ($wgSimpleFormsVersion)", 'author' => 'User:Nad', 'url' => 'http://www.mediawiki.org/wiki/Extension:Simple_Forms', );
class SimpleForms {
var $id = 0; var $tagname; var $opentag; var $closetag;
# Needed in some versions to prevent Special:Version from breaking function __toString() { return 'SimpleForms'; }
# Constructor function SimpleForms() { global $wgParser,$wgHooks,$wgSimpleFormsFormMagic,$wgSimpleFormsInputMagic,$wgSimpleFormsRequestMagic,$wgJavaScriptFunctions; $wgParser->setFunctionHook($wgSimpleFormsFormMagic,array($this,'form')); $wgParser->setFunctionHook($wgSimpleFormsInputMagic,array($this,'input')); $wgParser->setFunctionHook($wgSimpleFormsRequestMagic,array($this,'request')); $this->tagname = 'this_should_be_random'; $this->opentag = 'this_should_be_random2'; $this->closetag = 'this_should_be_random3'; $wgParser->setHook($this->tagname,array($this,'tagHook')); if (!is_array($wgJavaScriptFunctions)) {
$wgJavaScriptFunctions = array();
$wgHooks['OutputPageBeforeHTML'][] = $this;
} }
# Renders a form and wraps it in tags for processing by tagHook function form(&$parser) { global $wgJavaScriptFunctions; $id = $this->id++; $tag = $this->tagname; $args = ; foreach (func_get_args() as $arg) if (!is_object($arg)) { if (preg_match('/^(.+?)=(.+)$/',$arg,$match)) $args .= " $match[1]=\"$match[2]\""; else $form = $arg; } $wgJavaScriptFunctions['SimpleFormsFunctions'] = ' function sfRequest(url,target) { sfXmlHttp = null if (window.XMLHttpRequest) sfXmlHttp = new XMLHttpRequest() else if (window.ActiveXObject) sfXmlHttp = new ActiveXObject('Microsoft.XMLHTTP') if (sfXmlHttp != null) { sfXmlHttp.onreadystatechange = sfRequestEvent sfXmlHttp.open('GET',url,true) sfXmlHttp.send(null) } else alert('Your browser does not support XMLHTTP, you can only use GET or POST requests.') sfXmlHttp.target = document.getElementById(target); } function sfRequestEvent() { if (sfXmlHttp.readyState == 4) { if (sfXmlHttp.status == 200) sfXmlHttp.target.innerHTML = sfXmlHttp.responseText else alert('Problem retrieving XML data!') sfXmlHttp.readyState = 0 } } '; return "<$tag $args>$form</$tag>"; }
# Renders a form input function input(&$parser) { global $wgSimpleFormsRequestPrefix;
$ot = $this->opentag;
$ct = $this->closetag;
$content = ;
$method = ;
$type = ;
$args = ;
$argv = array();
# Process args foreach (func_get_args() as $arg) if (!is_object($arg)) { if (preg_match('/^([a-z0-9_]+?)\\s*=\\s*(.+)$/',$arg,$match)) $argv[strtolower(trim($match[1]))] = trim($match[2]); else $content = trim($arg); } if (isset($argv['type'])) $type = $argv['type']; else $type = ; if (isset($argv['name'])) $argv['name'] = $wgSimpleFormsRequestPrefix.$argv['name'];
# Textarea if ($type == 'textarea') { unset($argv['type']); foreach ($argv as $k => $v) $args .= " $k=\"$v\""; $input = $ot."textarea$args$ct$content$ot/textarea$ct"; }
# Select list elseif ($type == 'select') {
unset($argv['type']);
if (isset($argv['value'])) {
$val = $argv['value'];
unset($argv['value']);
} else $val = ;
foreach ($argv as $k => $v) $args .= " $k=\"$v\"";
preg_match_all('/^\\*\\s*(.*?)\\s*$/m',$content,$m);
$input = $ot."select$args$ct\n";
foreach ($m[1] as $opt) {
$sel = $opt == $val ? ' selected' : ;
$input .= $ot."option$sel$ct$opt$ot/option$ct\n";
}
$input .= "$ot/select$ct\n";
}
# Submit button (changes to onClick) elseif ($type == 'submit' && $method == 'live') { unset($argv['type']); foreach ($argv as $k => $v) $args .= " $k=\"$v\""; }
# Default: render as normal input element else { foreach ($argv as $k => $v) $args .= " $k=\"$v\""; $input = $ot."input$args/$ct"; }
return $input; }
# Return value from the global $_REQUEST array (containing GET/POST variables) function request(&$parser,$key) { global $wgSimpleFormsRequestPrefix; return isset($_REQUEST["$wgSimpleFormsRequestPrefix$key"]) ? $_REQUEST["$wgSimpleFormsRequestPrefix$key"] : ; }
# Converts the finished form to HTML function tagHook(&$text) { $text = str_replace($this->opentag,"<",str_replace($this->closetag,">",$text)); return "<form>$text</form>"; }
# Add the javascript to the output object if not added yet and there is at least one tree # - should add all items in $wgJavaScriptFunctions function onOutputPageBeforeHTML(&$out) { global $wgJavaScriptFunctions; foreach ($wgJavaScriptFunctions as $js) $out->addScript("\n<script type=\"text/javascript\">$js</script>\n"); return true; }
} $wgShowExceptionDetails = true;
- Called from $wgExtensionFunctions array when initialising extensions
function wfSetupSimpleForms() { global $wgHooks,$wgSimpleForms,$wgJavaScriptFunctions; $wgSimpleForms = new SimpleForms(); }
- Needed in MediaWiki >1.8.0 for magic word hooks to work properly
function wfSimpleFormsLanguageGetMagic(&$magicWords,$langCode = 0) { global $wgSimpleFormsFormMagic,$wgSimpleFormsInputMagic,$wgSimpleFormsRequestMagic; $magicWords[$wgSimpleFormsFormMagic] = array(0,$wgSimpleFormsFormMagic); $magicWords[$wgSimpleFormsInputMagic] = array(0,$wgSimpleFormsInputMagic); $magicWords[$wgSimpleFormsRequestMagic] = array(0,$wgSimpleFormsRequestMagic); return true; } ?>
