content/classes/Pages/class.ilWysiwygUtil.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program 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 General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

require_once("content/classes/class.ilLMObjectFactory.php");

class ilWysiwygUtil
{
    
        var $tpl;
        var $lng;
        
        function ilWysiwygUtil() 
        {
                global $lng;
                $this->lng =& $lng;
                $this->lng->loadLanguageModule("content");
        }
        
        function show($ptype) 
        {
                $this->showHeader();
                switch ($ptype) {
                        case "xtl" : {
                                                        $this->showXtl();
                                                        break;
                                                }
                        case "itl" : {
                                                        $this->showItl();
                                                        break;
                                                }
                        case "footnote" : {
                                                        $this->showFootnote();
                                                        break;
                                                }
                        case "movecopytreenode" : {
                                                        $this->showMoveCopyQuestion();
                                                        break;
                                                }
                }
                
                $this->tpl->show();
                
        }
        
        function showMoveCopyQuestion() {
                
                $tempobj = ilObjectFactory::getInstanceByRefId($_GET["ref_id"]);
                $source_obj = ilLMObjectFactory::getInstance($tempobj, $_GET["sourceId"], true);
                $source_obj->setLMId($tempobj->getId());
                $target_obj = ilLMObjectFactory::getInstance($tempobj, $_GET["targetId"], true);
                $target_obj->setLMId($tempobj->getId());
                
                //vd($source_obj->getType());
                //vd($target_obj->getType());
                
                $this->tpl = new ilTemplate("tpl.wysiwyg_popup_movecopyquestion.html",false,true,true);
                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation() );
                
                if ($source_obj->getType() == "st" && $target_obj->getType() == "pg") {
                        $this->tpl->setVariable("TXT_ST_ON_PG",$this->lng->txt("cont_st_on_pg"));
                        $this->tpl->setVariable("BTN_CLOSE2", $this->lng->txt("close"));
                } else {
                
                        if (($source_obj->getType() == "pg" && $target_obj->getType() == "pg") || ($source_obj->getType() == "st" && $target_obj->getType() == "st")) {
                                $this->tpl->setVariable("TXT_SET_AFTER", $this->lng->txt("cont_set_after"));
                                $this->tpl->setVariable("TXT_SET_BEFORE", $this->lng->txt("cont_set_before"));
                        }
                        if ($source_obj->getType() == "st" && $target_obj->getType() == "st") {
                                $this->tpl->setVariable("TXT_SET_INTO", $this->lng->txt("cont_set_into"));
                        }
                        
                        $this->tpl->setVariable("TXT_MOVE_OBJECT", $this->lng->txt("cont_move_object"));
                        $this->tpl->setVariable("TXT_COPY_OBJECT", $this->lng->txt("cont_copy_object"));
                        
                        $this->tpl->setVariable("BTN_SUBMIT", $this->lng->txt("save"));
                        $this->tpl->setVariable("BTN_CLOSE", $this->lng->txt("close"));
                }
        }
        
        function showXtl() 
        {
                $this->tpl = new ilTemplate("tpl.wysiwyg_popup_xtl.html",false,false,true);
                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation() );
                
                
                $this->tpl->setVariable("TXT_EXTERNAL_URL", $this->lng->txt("cont_external_url"));
                $this->tpl->setVariable("TXT_TITLE", $this->lng->txt("cont_title"));
                $this->tpl->setVariable("BTN_SUBMIT", $this->lng->txt("save"));
                $this->tpl->setVariable("BTN_DELETE", $this->lng->txt("delete"));
                $this->tpl->setVariable("BTN_CLOSE", $this->lng->txt("close"));
                
                $this->tpl->setVariable("TXT_OR", $this->lng->txt("cont_or"));
                $this->tpl->setVariable("TXT_EXAMPLE", $this->lng->txt("cont_example"));
                
                $this->tpl->setVariable("DELETE_QUESTION", $this->lng->txt("cont_confirm_delete"));
        }
        
        function showItl() 
        {
                $this->tpl = new ilTemplate("tpl.wysiwyg_popup_itl.html",false,false,true);
                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation() );
        }
        
        function showFootnote() 
        {
                global $ilCtrl;
                
                $this->tpl = new ilTemplate("tpl.wysiwyg_popup_footnote.html",false,false,true);
                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation() );
                $this->tpl->setVariable("LOCATION_CONTENT_STYLESHEET_HTMLAREA", ILIAS_HTTP_PATH."/content/content.css" );
                $this->tpl->setVariable("REF_ID", $_GET["ref_id"]);
                $ilCtrl->setParameterByClass("ilpcparagraphgui", "ptype", "footnote");
                $this->tpl->setVariable("FOOTNOTE_TARGET",
                        $ilCtrl->getLinkTargetByClass("ilpcparagraphgui", "popup"));

                
                $this->tpl->setVariable("TXT_FOOTNOTES", $this->lng->txt("cont_title_footnotes"));
                $this->tpl->setVariable("TXT_INSERT_NEW_FOOTNOTES", $this->lng->txt("cont_insert_new_footnote"));
                $this->tpl->setVariable("BTN_SUBMIT", $this->lng->txt("save"));
                $this->tpl->setVariable("BTN_CANCEL", $this->lng->txt("cancel"));
                
                $this->tpl->setVariable("DELETE_QUESTION", $this->lng->txt("cont_confirm_delete"));
                $this->tpl->setVariable("BTN_DELETE", $this->lng->txt("delete"));
                
        }
        
        
        
        function showHeader() 
        {
                
        }
        
        
    var $struct = array();
    var $depth;
    var $newXml;
    function convertFromPost($content) 
        {
        
                
                $content = str_replace("&nbsp;"," ",$content);
                //vd(htmlspecialchars($content));
                
                $content = str_replace(" </span>","</span> ",$content);
                $content = str_replace("<span class=\"ilc_Strong\"></span>","",$content);
                $content = str_replace("<span class=\"ilc_Emph\"></span>","",$content);
                $content = str_replace("<span class=\"ilc_Quotation\"></span>","",$content);
                $content = str_replace("<span class=\"ilc_Comment\"></span>","",$content);
                
                $content = rawurlencode($content);
                $content = str_replace("%3Cspan%20class%3D%22ilc_Strong%22%3E%20%3C%2Fspan%3E","%20",$content);
                $content = str_replace("%3Cspan%20class%3D%22ilc_Emph%22%3E%20%3C%2Fspan%3E","%20",$content);
                $content = str_replace("%3Cspan%20class%3D%22ilc_Quotation%22%3E%20%3C%2Fspan%3E","%20",$content);
                $content = str_replace("%3Cspan%20class%3D%22ilc_Comment%22%3E%20%3C%2Fspan%3E","%20",$content);
                $content = rawurldecode($content);
                

                //echo(htmlspecialchars($content));
//              echo "<p>";
//              echo(rawurlencode($content));

                $content = str_replace("&","&amp;",$content);
                
                for($k=0;$k<2;$k++) {
                        $xml_parser = xml_parser_create("UTF-8");
                        xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, false);
                        xml_set_object($xml_parser,$this);
                        xml_set_element_handler($xml_parser, "startElement", "endElement");
                        xml_set_character_data_handler($xml_parser, "characterData");
        
                        $xml_data = "<xml>".$content."</xml>";
                        
                        $this->depth = 0;
                        $this->struct = array();
                        $this->newXml = "";
                        
                        if (!xml_parse($xml_parser, $xml_data)) 
                        {
                                die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xml_parser)),xml_get_current_line_number($xml_parser)));
                        }
                        xml_parser_free($xml_parser);
                        
                        $this->newXml = str_replace("<xml>","",$this->newXml);
                        $this->newXml = str_replace("</xml>","",$this->newXml);
                        
                        $content = $this->newXml;

                        
                        //echo htmlspecialchars($content)."<p>";
                }        
                //echo htmlspecialchars($this->newXml);
                //exit;
                
                $this->newXml = str_replace("[com][/com]","",$this->newXml);
                $this->newXml = str_replace("[emp][/emp]","",$this->newXml);
                $this->newXml = str_replace("[str][/str]","",$this->newXml);
                $this->newXml = str_replace("[code][/code]","",$this->newXml);
                $this->newXml = str_replace("[quot][/quot]","",$this->newXml);
                
                $this->newXml = str_replace("</p><p>","\n",$this->newXml);
                $this->newXml = str_replace("<p>","",$this->newXml);
                $this->newXml = str_replace("</p>","",$this->newXml);

                $this->newXml = str_replace("<p class=\"MsoNormal\">","\n",$this->newXml);
                $this->newXml = str_replace("<p class=\"MsoNormal\" style=\"MARGIN: 0cm 0cm 0pt\">","\n",$this->newXml);
                
                
                $this->newXml = str_replace("<Strong/>","",$this->newXml);
                $this->newXml = str_replace("<Emph/>","",$this->newXml);
                
                $this->newXml = str_replace("<span>","",$this->newXml);
                $this->newXml = str_replace("</span>","",$this->newXml);
                
                //vd(htmlspecialchars($this->newXml));
                
        return($this->newXml);
    }

    
    

    //{{{
    function startElement($parser, $name, $attrs) 
        {
        $new = array("name" => $name,
                                "attrs" => $attrs,
                                "convert" => "",
                                "convert2" => ""
                                );

        $new["convert"] = "<".$name;                
        if (is_array($attrs)) 
                {
            reset ($attrs);
            while (list ($key, $val) = each ($attrs)) 
                        {
                $new["convert"] .= " ".$key."=\"".$val."\"";
            }
        }
        $new["convert"] .= ">";
        $new["convert2"] = "</".$name.">";
        
                
                if ($attrs["style"] == "font-style: italic;" || $name == "em") 
                {
            $new["convert"] = "[emp]";
            $new["convert2"] = "[/emp]";
                }
                if ($attrs["style"] == "font-weight: bold;" || $name == "strong") 
                {
            $new["convert"] = "[str]";
            $new["convert2"] = "[/str]";
                }
                
                // alex changed
                if ($attrs["class"] == "ilc_ExtLink") 
                {
                        $new["convert"] = "[xln url=\"".$attrs[url]."\"]";
            $new["convert2"] = "[/xln]";
                }
                
                if ($attrs["class"] == "ilc_IntLink") 
                {
                        reset ($attrs);
                        $N = "";
                        while (list ($key, $val) = each ($attrs)) 
                        {
                                if ($key!="class") 
                                {
                                        $N .= " ".$key."=\"".$val."\"";
                                }
                        }
                        $new["convert"] = "[iln".$N."]";
            $new["convert2"] = "[/iln]";
                }
                
        if ($attrs["class"] == "ilc_Strong") 
                {
            $new["convert"] = "[str]";
            $new["convert2"] = "[/str]";
        }
        if ($attrs["class"] == "ilc_Comment") 
                {
            $new["convert"] = "[com]";
            $new["convert2"] = "[/com]";
        }
        if ($attrs["class"] == "ilc_Emph") 
                {
            $new["convert"] = "[emp]";
            $new["convert2"] = "[/emp]";
        }
        
        if ($attrs["class"] == "ilc_Quotation") 
                {
            $new["convert"] = "[quot]";
            $new["convert2"] = "[/quot]";
        }
        
                if ($attrs["class"] == "footnote") 
                {
                        //vd($attrs);

                        $fn1 = explode("|**#",stripslashes($_POST["footnotelist"]));
                        for ($i=0;$i<count($fn1);$i++) 
                        {
                                // {{{
                                $fn2 = explode("|*#",$fn1[$i]);
                                
                                //echo htmlspecialchars(serialize($fn2[1]))."<p>";
                                
                                if($fn2[0] == $attrs["value"]) 
                                {
                                        $new["convert"] = "[fn]".$fn2[1];
                                        $new["convert2"] = "[/fn]";
                                        break;
                                }
                                
                                // }}}
                        }
                        
                }
                
        if ($name == "code") {
            $new["convert"] = "[code]";
            $new["convert2"] = "[/code]";
        }
        
        //echo htmlspecialchars($new[convert]);
                                
        $this->struct[$this->depth] = $new;
        $this->depth++;
        
        if ($name!="br") 
                {
            $this->newXml .= $new[convert];
        } 
                else 
                {
            $this->newXml .= "\n";
        }
        
//        vd($name);
//        vd($attrs);
    }
    
    function characterData($parser, $data) 
        {
//        vd($data);
                //if ($data == "[1]") $data = "";
                if (!stristr( $this->struct[$this->depth-1]["convert"], "[fn]" )) 
                { 
                        $this->newXml .= $data;
                }
                
    }
    
    function endElement($parser, $name)
    {
        $this->depth--;
        
        //$this->newXml .= "</".$name.">";
        if ($name!="br") 
                {
            $this->newXml .= $this->struct[$this->depth]["convert2"];
        }
        
//        vd($name);
    }
    // }}}  
    
}

?>