Extension:FCKeditor (by Mafs)/extension

<?php
 
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
 
This library 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
Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
 
 
if( !defined( 'MEDIAWIKI' ) ) {
  die();
}
 
$wgExtensionCredits['other'][] = array(
 
        "name" => "fckeditor extension",
        "author" => "Mafs",
        "version" => "fck/mw-extension (0.7.2) 2006",
        "url" => "http://meta.wikimedia.org/wiki/FCKeditor",
        "description" => "integrating the fckeditor"
 
 );
 
 
# REGISTER HOOKS
$wgHooks['ParserBeforeStrip'][]                 = 'wfFCKeditorBypassParserCut';
$wgHooks['ParserAfterTidy'][]                   = 'wfFCKeditorBypassParserPaste';
$wgHooks['ArticleAfterFetchContent'][]          = 'wfFCKeditorCheck';
$wgHooks['EditPage::showEditForm:initial'][]    = 'wfFCKeditorAddFCKScript';
 
 
//************************************************************************
// Not used yet, needs some testing ...
/*
$wgHooks['ArticleSave'][]                       = 'wfFCKeditorImageLinks';
 
function wfFCKeditorImageLinks($q, $user, $text, $summary, $f1, $f2, $f3, $flags) {
        // In case the html text was copied from an other wiki, the src attribute
        // of the image links is no longer valid. 
        // Therefore, the img tags have to be rewritten.
 
        // For nomal images: Extract the image name and create a new url.
        // For tex images:   Extract the tex text (alt="...") and send it to the parser.
 
        global $wgFCKEditorToken;
 
        if (preg_match("/$wgFCKEditorToken/i", $text, $a )) {
 
 
 
        global $wgOut, $wgUser;
 
        $wgUser->setOption("math", 0); // render png
 
        $list_md5 = array();
        $list_tex = array();
        $list_names = array();
        $list_img = array();
 
        $att_list = array("href", "longdesc", "alt", "src");
 
        // tex   *************************************************************
        while (preg_match("/<img.*?class=[\'\"]tex[\'\"].*?>/i", $text, $a)) {
 
                $img_tag = $a[0];
                $img_md5 = "tex_".md5($img_tag);
                $text = str_replace($img_tag, $img_md5, $text );
                $list_md5[] = $img_md5;
                preg_match("/alt=[\'\"](.*?)[\'\"]/", $img_tag, $a);
                $list_tex["$img_md5"] = $a[1];
        }
 
        foreach($list_md5 as $md5) {
                $tex = $list_tex["$md5"];
                $math = $wgOut->parse("<math>$tex</math>");
                preg_match("/<img.*?>/i", $math, $a);
                $math = $a[0];
                $text = str_replace( $md5, $math, $text );
        }
 
        //  imgage   **********************************************************
        //           add class="image" to a-tag and replace attributes.
 
        $list_md5 = array();
 
        //die("replace");
 
        while (preg_match("/<a.*?>.*?<img.*?>.*?<\/a.*?>/i", $text, $a) ) {
 
                $img_tag = $a[0];
                $img_md5 = "img_".md5($img_tag);
                $text = str_replace($img_tag, $img_md5, $text );
                $list_md5[] = $img_md5;
 
                if (! preg_match("/<a.*?class=[\'\"]image[\'\"].*?>/", $img_tag, $a)) 
                      $img_tag = preg_replace("/<a (.*?)/", "<a class= \"image\" \\1", $img_tag);
 
                preg_match("/src=[\'\"].*?\/([^\/]+?)[\'\"]/", $img_tag, $a);
                $image_name = $a[1];
 
                echo($image_name."<br>");
 
                $image = $wgOut->parse("[[image:$image_name]]");
                preg_match("/<a.*?>.*?<img.*?>.*?<\/a.*?>/i", $image, $a);
                $image = $a[0];
 
                //echo($image."<br>"."<br>");
 
                foreach ($att_list as $att) {
 
                        preg_match("/$att=[\"\']([^\"\'])*?[\"\']/i", $image, $a);
                        $content = $a[0];
 
                        //echo($att."  ".$image_name."<br>");
 
                        $img_tag = preg_replace( "/(.*?)($att=[\"\'][^\"\']*[\"\'])(.*?)/i", "\\1$content\\3", $img_tag );
                }
 
                $list_img["$img_md5"] = $img_tag;
        }
 
 
 
        foreach($list_md5 as $md5) {
                $img_tag = $list_img["$md5"];
                $text = str_replace( $md5, $img_tag, $text );
                //echo($img_tag);
        }
 
        }
 
//die("end");
        return true;
}
*/
 
function wfFCKeditorAddFCKScript ($q) { 
 
        global $wgOut, $wgTitle, $wgScriptPath;
        global $wgFCKexcludedNamespaces, $wgFCKUseEditor, $wgFCKEditorToolbarSet; 
        global $wgFCKEditorDir, $wgFCKEditorHeight;
 
        $ns_allowed = true;
        $ns = $wgTitle->getNamespace();
        if (in_array($ns, $wgFCKexcludedNamespaces)) $ns_allowed = false;
 
        if ($ns_allowed and $wgFCKUseEditor) {
                $wgOut->addScript( "<script type=\"text/javascript\" src=\"$wgScriptPath/$wgFCKEditorDir/fckeditor.js\"></script>\n" );
 
                $wgOut->addScript("<script type=\"text/javascript\"> function onLoadFCK () { var oFCKeditor = new FCKeditor('wpTextbox1') ; oFCKeditor.BasePath = \"$wgScriptPath/$wgFCKEditorDir/\" ; if (document.getElementById(\"wpTextbox1\")) {oFCKeditor.Height = \"$wgFCKEditorHeight\" ; oFCKeditor.ToolbarSet = \"$wgFCKEditorToolbarSet\" ; oFCKeditor.ReplaceTextarea() ; var oDiv=document.getElementById(\"toolbar\"); oDiv.style.cssText = 'display: none;'; }} addOnloadHook(onLoadFCK); </script>\n");
        }
 
        return true;
}
 
function wfFCKeditorCheck ($q, $text) { 
 
        global $wgFCKUseEditor, $wgFCKEditorToken;
 
        if (preg_match("/$wgFCKEditorToken/i", $text, $a)) {
                $wgFCKUseEditor = true;
        }
 
        return true;
 
}
 
 
function wfFCKeditorBypassParserCut ($q, $text) {
 
        global $wgFCKexcludedNamespaces, $wgFCKUseEditor, $wgTitle;
        global $wgFCKBypassText, $wgFCKEditorToken;
 
        $ns_allowed = true;
        $ns = $wgTitle->getNamespace();
 
        if (in_array($ns, $wgFCKexcludedNamespaces)) $ns_allowed = false;
 
        if ($ns_allowed and $wgFCKUseEditor) {
 
                $wgFCKBypassText = $text;
                $text = "";
        }
 
        return true;
}
 
 
function wfFCKeditorBypassParserPaste ($q, $text) {
 
        global $wgOut, $wgTitle, $wgParser;
        global $wgFCKexcludedNamespaces, $wgFCKEditorHeight, $wgFCKEditorToolbarSet, $wgFCKUseEditor;
        global $wgFCKBypassText, $wgFCKEditorToken, $wgFCKEditorAllow_a_tags, $wgFCKEditorAllow_img_tags;
 
        $List   = array();
 
        $ns_allowed = true;
        $ns = $wgTitle->getNamespace();
        if (in_array($ns, $wgFCKexcludedNamespaces)) $ns_allowed = false;
 
        if ($ns_allowed and $wgFCKUseEditor) {
 
                $fcktext = $wgFCKBypassText; 
 
                if ($wgFCKEditorAllow_a_tags) {
                        $i = 0;
                        $ta = md5("aopen");
                        while (preg_match("|(<a.*?>)|i", $fcktext, $a)) {
                                $j = $ta."_".md5($i);
                                $List[$j]["content"] = $a[0];
                                $List[$j]["index"] = $j;
                                $fcktext = str_replace($a[0], $j, $fcktext);
                                $i++;
                        }
                        $i = 0;
                        $ta = md5("aclose");
                        while (preg_match("|(</a>)|i", $fcktext, $a)) {
                                $j = $ta."_".md5($i);
                                $List[$j]["content"] = $a[0];
                                $List[$j]["index"] = $j;
                                $fcktext = str_replace($a[0], $j, $fcktext);
                                $i++;
                        }
                }
                if ($wgFCKEditorAllow_img_tags) {
                        $i = 0;
                        $timg = md5("img");
                        while (preg_match("|(<img[^>]*?/>)|i", $fcktext, $a)) {
                                $j = $timg."_".md5($i);
                                $List[$j]["content"] = $a[0];
                                $List[$j]["index"] = $j;
                                $fcktext = str_replace($a[0], $j, $fcktext);
                                $i++;
                        }
                }
 
                $tagList = array("pre", "math", "gallery", "nowiki", "html");
                foreach($tagList as $tag) {
                        while (preg_match("|<($tag.*?)>(.*?)</$tag>|is", $fcktext, $a)) { 
                                $r = preg_replace("|<br.*?>|i", "", $a[0]);
                                $r = preg_replace("| |i", " ", $r);
                                $fcktext = str_replace($a[0], html_entity_decode($r), $fcktext);
                        }
                }
 
                foreach($q->mTagHooks as $tag => $func) {
                        while (preg_match("|<($tag.*?)>(.*?)</$tag>|is", $fcktext, $a)) { 
                                $r = preg_replace("|<br.*?>|i", "", $a[0]);
                                $r = preg_replace("| |i", " ", $r);
                                $fcktext = str_replace($a[0], html_entity_decode($r), $fcktext);
                        }
                }
 
                $state = new StripState;
                $x =& $state;
 
                $fcktext = $q->strip($fcktext, $x);
 
                $fcktext = preg_replace("/<\/?tbody>/i","", $fcktext);
                $fcktext = preg_replace("/$wgFCKEditorToken/i","", $fcktext);       
                $fcktext = Sanitizer::removeHTMLtags( $fcktext, array( &$q, 'attributeStripCallback' ) );
 
                $fcktext = $q->replaceVariables($fcktext);
 
                #replace "stripToc" to "doDoubleUnderscore" into new version of MediaWiKi
                $fcktext = $q->doDoubleUnderscore( $fcktext );         
 
                $fcktext = $q->replaceInternalLinks( $fcktext );
                $fcktext = $q->replaceExternalLinks( $fcktext );
 
                # replaceInternalLinks may sometimes leave behind
                # absolute URLs, which have to be masked to hide them from replaceExternalLinks
                $fcktext = str_replace($q->mUniqPrefix."NOPARSE", "", $fcktext);
 
                $fcktext = $q->doMagicLinks( $fcktext );
                $fcktext = $q->formatHeadings( $fcktext, true );
 
                $q->replaceLinkHolders( $fcktext );
 
                $fcktext = $q->unstripNoWiki( $fcktext, $state );
                $fcktext = $q->unstrip($fcktext, $state);
 
                foreach($List as $item) {
                        $fcktext = str_replace($item["index"], $item["content"], $fcktext);
                        $i++;
                }
 
                $text = $fcktext;
        }
 
        return true;
}
 
function wfSajaxSearchImageFCKeditor( $term ) {
        global $wgContLang, $wgAjaxCachePolicy, $wgOut;
        $limit = 10;
 
        $term = $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) );
        $term1 = str_replace( ' ', '_', $wgContLang->ucfirst( $term ) );
        $term2 = str_replace( ' ', '_', $wgContLang->lc( $term ) );
        $term3 = str_replace( ' ', '_', $wgContLang->uc( $term ) );
        $term = $term1;
 
        if ( strlen( str_replace( '_', '', $term ) )<3 )
                return "<input type=\"hidden\" name=\"wfSajaxSearchImageFCKeditor\" value=\"\"><br /><b>\"".$term2."\"</b>: Type one more character ...";
 
        $wgAjaxCachePolicy->setPolicy( 30*60 );
 
        $db =& wfGetDB( DB_SLAVE );
        $res = $db->select( 'page', 'page_title',
                        array(  'page_namespace' => 6,
                                "LCASE(page_title) LIKE '%". $db->strencode( $term2 ) ."%'" ),
                                "wfSajaxSearch",
                                array( 'LIMIT' => $limit+1 )
                        );
 
        $r = "";
 
        $i=0;
        while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
 
                $im = Image::newFromName($row->page_title);
                $url = $im->getURL();
 
                $ti = Title::makeTitle(6, $row->page_title);
 
                $tiURL = "";
                $tiName= "";
                if (is_object($ti)) {
                        $tiURL  = $ti->getLocalURL();
                        $tiName = $ti->getPrefixedDBkey();
                }
 
                $r .= '<li>' . "<div style=\"background-color: #DFDFDF; cursor: pointer;\" onMouseover=\"this.style.backgroundColor='#0099FF'\" onMouseout=\"this.style.backgroundColor='#DFDFDF'\" onclick=\"clickOnList('".$row->page_title."','".$url."','".$tiURL."','".$tiName."')\">".htmlspecialchars( $row->page_title ) .'</div>'. "</li>\n";
        }
 
        $term = htmlspecialchars( $term );
 
        return "<input type=\"hidden\" name=\"wfSajaxSearchImageFCKeditor\" value=\"\"><br />Images containing <b>\"".$term2."\"</b><br /><ul>" .$r ."</ul>";
}
 
 
?>