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<?php
/*
* Plugin Facteur
* (c) 2009-2010 Collectif SPIP
* Distribue sous licence GPL
*
*/
include_spip('inc/texte');
include_spip('classes/facteur');
/**
* facteur_addstyle
*
* @author Eric Dols
**/
function facteur_addstyle($matches) {
// $matches[1]=tag, $matches[2]=tag attributes (if any), $matches[3]=xhtml closing (if any)
// variables values set in calling function
global $styledefinition, $styletag, $styleclass;
// convert the style definition to a one-liner
$styledefinition = preg_replace ("!\s+!mi", " ", $styledefinition );
// convert all double-quotes to single-quotes
$styledefinition = preg_replace ('/"/','\'', $styledefinition );
if (preg_match ("/style\=/i", $matches[2])) {
// add styles to existing style attribute if any already in the tag
$pattern = "!(.* style\=)[\"]([^\"]*)[\"](.*)!mi";
$replacement = "\$1".'"'."\$2 ".$styledefinition.'"'."\$3";
$attributes = preg_replace ($pattern, $replacement , $matches[2]);
} else {
// otherwise add new style attribute to tag (none was present)
$attributes = $matches[2].' style="'.$styledefinition.'"';
}
if ($styleclass!="") {
// if we were injecting a class style, remove the now useless class attribute from the html tag
// Single class in tag case (class="classname"): remove class attribute altogether
$pattern = "!(.*) class\=['\"]".$styleclass."['\"](.*)!mi";
$replacement = "\$1\$2";
$attributes = preg_replace ( $pattern, $replacement, $attributes);
// Multiple classes in tag case (class="classname anotherclass..."): remove class name from class attribute.
// classes are injected inline and removed by order of appearance in <head> stylesheet
// exact same behavior as where last declared class attributes in <style> take over (IE6 tested only)
$pattern = "!(.* class\=['\"][^\"]*)(".$styleclass." | ".$styleclass.")([^\"]*['\"].*)!mi";
$replacement = "\$1\$3";
$attributes = preg_replace ( $pattern, $replacement, $attributes);
}
return "<".$matches[1].$attributes.$matches[3].">";
}
?>