class.ilPCSourceCodeGUI.php

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<?php

/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Services/COPage/classes/class.ilPCSourceCode.php");
require_once("./Services/COPage/classes/class.ilPageContentGUI.php");

class ilPCSourceCodeGUI extends ilPageContentGUI
{
        
        function ilPCSourceCodeGUI($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id = "")
        {
                parent::ilPageContentGUI($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id);
        }


        function &executeCommand()
        {
                // get next class that processes or forwards current command
                $next_class = $this->ctrl->getNextClass($this);

                // get current command
                $cmd = $this->ctrl->getCmd();

                switch($next_class)
                {
                        default:
                                $ret =& $this->$cmd();
                                break;
                }

                return $ret;
        }

        function edit()
        {
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.sourcecode_edit.html", "Services/COPage");
                //$content = $this->pg_obj->getContent();
                //$cnt = 1;
                $this->tpl->setVariable("TXT_ACTION", $this->lng->txt("cont_edit_src"));

                if ($this->pg_obj->getParentType() == "lm" ||
                        $this->pg_obj->getParentType() == "dbk")
                {
                        $this->tpl->setVariable("LINK_ILINK",
                        $this->ctrl->getLinkTargetByClass("ilInternalLinkGUI", "showLinkHelp"));
                        $this->tpl->setVariable("TXT_ILINK", "[".$this->lng->txt("cont_internal_link")."]");
                }

                $this->displayValidationError();

                // language and characteristic selection
                if (key($_POST["cmd"]) == "update")
                {
                        $s_lang = $_POST["par_language"];
                        $s_char = $_POST["par_characteristic"];
                        $s_subchar = $_POST["par_subcharacteristic"];
                        $s_downloadtitle = str_replace('"', '', ilUtil::stripSlashes($_POST["par_downloadtitle"]));
                        $s_showlinenumbers = ($_POST["par_showlinenumbers"]=="on")?'y':'n';
                        $s_autoindent = ($_POST["par_autoindent"]=="on")?'y':'n';
                }
                else
                {
                        $s_lang = $this->content_obj->getLanguage();
                        $s_char = $this->content_obj->getCharacteristic();
                        $s_subchar = $this->content_obj->getSubCharacteristic();                        
                        $s_downloadtitle = $this->content_obj->getDownloadTitle();
                        $s_showlinenumbers = $this->content_obj->getShowLineNumbers();                                  
                        $s_autoindent = $this->content_obj->getAutoIndent ();
                }
                                
                $this->setTemplateText($s_lang, $s_subchar);
                
                if (key($_POST["cmd"]) == "update")
                {
                        $s_text = stripslashes($_POST["par_content"]);
                }
                else
                {
                        $s_text = $this->content_obj->xml2output($this->content_obj->getText());
                }

                $this->tpl->setVariable("PAR_TA_NAME", "par_content");
                $this->tpl->setVariable("PAR_TA_CONTENT", ilUtil::prepareFormOutput($s_text));
//var_dump($this->tpl);
//              $this->tpl->parseCurrentBlock();
                        
                if (strcmp($s_showlinenumbers,"y")==0)
                {
                        $this->tpl->setVariable("SHOWLINENUMBERS", "checked=\"checked\"");
                }
                
                if (strcmp($s_autoindent,"y") == 0)
                {
                        $this->tpl->setVariable("AUTOINDENT", "checked=\"checked\"");
                }
                

                $this->tpl->setVariable("DOWNLOAD_TITLE_VALUE", $s_downloadtitle);
                
                // operations
                $this->tpl->setCurrentBlock("commands");
                $this->tpl->setVariable("BTN_NAME", "update");
                $this->tpl->setVariable("UPLOAD_BTN_NAME", "upload");
                $this->tpl->setVariable("BTN_TEXT", $this->lng->txt("save"));
                $this->tpl->setVariable("BTN_CANCEL", "cancelUpdate");
                $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
                $this->tpl->parseCurrentBlock();
        }


        function setTemplateText ($s_lang, $s_proglang) {
                $this->tpl->setVariable ("TXT_CREATEFILE", $this->lng->txt("create_download_link"));
                $this->tpl->setVariable ("TXT_DOWNLOADTITLE", $this->lng->txt("cont_download_title"));
                $this->tpl->setVariable ("TXT_IMPORTFILE", $this->lng->txt("import_file"));
                $this->tpl->setVariable ("TXT_UPLOAD_BTN", $this->lng->txt("import"));
                $this->tpl->setVariable ("TXT_SUBCHARACTERISTIC", $this->lng->txt("cont_src"));
                $this->tpl->setVariable ("TXT_LANGUAGE", $this->lng->txt("language"));
                $this->tpl->setVariable ("TXT_SHOWLINENUMBERS", $this->lng->txt("cont_show_line_numbers"));
                $this->tpl->setVariable ("TXT_AUTOINDENT", $this->lng->txt("cont_autoindent"));

                                
                $this->tpl->setVariable ("FORMACTION", $this->ctrl->getFormAction($this));              
                
                require_once("Services/MetaData/classes/class.ilMDLanguageItem.php");
                $lang = ilMDLanguageItem::_getLanguages();
                $select_lang = ilUtil::formSelect ($s_lang,"par_language",$lang,false,true);
                $this->tpl->setVariable ("SELECT_LANGUAGE", $select_lang);

                $prog_langs = $this->readProgLangs ();
                                
                $select_subchar = ilUtil::formSelect ($s_proglang, "par_subcharacteristic",$prog_langs,false,true);
                $this->tpl->setVariable ("SELECT_SUBCHARACTERISTIC", $select_subchar);  
                
        }
        
        function insert()
        {
                global $ilUser;

                // add paragraph edit template
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.sourcecode_edit.html", "Services/COPage");
                $this->tpl->setVariable("TXT_ACTION", $this->lng->txt("cont_insert_src"));
                
                if ($this->pg_obj->getParentType() == "lm" ||
                        $this->pg_obj->getParentType() == "dbk")
                {
                        $this->tpl->setVariable("LINK_ILINK",
                                $this->ctrl->getLinkTargetByClass("ilInternalLinkGUI", "showLinkHelp"));
                        $this->tpl->setVariable("TXT_ILINK", "[".$this->lng->txt("cont_internal_link")."]");
                }

                $this->displayValidationError();

                // get values from new object (repeated form display on error)
                
                //echo key ($_POST["cmd"]);
                
                if (key($_POST["cmd"]) == "create_src")
                {
                        $s_lang = $_POST["par_language"];                       
                        $s_subchar = $_POST["par_subcharacteristic"];
                        $s_downloadtitle = str_replace('"', '', ilUtil::stripSlashes($_POST["par_downloadtitle"]));
                        $s_showlinenumbers = strcmp($_POST["par_showlinenumbers"],'on')==0?'checked=\"true\"':'';       
                        $s_autoindent = strcmp($_POST["par_autoindent"],'on')==0?'checked=\"true\"':''; 
                        $s_isexample = strcmp($_POST["par_isexample"],"on")==0?'checked=\"true\"':'';                   
                }
                else
                {
                        if ($_SESSION["il_text_lang_".$_GET["ref_id"]] != "")
                        {
                                $s_lang = $_SESSION["il_text_lang_".$_GET["ref_id"]];
                        }
                        else
                        {
                                $s_lang = $ilUser->getLanguage();
                        }
                        
                        $s_showlinenumbers = 'CHECKED';
                        $s_autoindent = 'CHECKED';
                        $s_isexample = '';                      
                        $s_subchar = '';
                }
                
                $this->setTemplateText($s_lang, $s_subchar);

                $this->tpl->setVariable("SHOWLINENUMBERS", $s_showlinenumbers);
                $this->tpl->setVariable("AUTOINDENT", $s_autoindent);
                $this->tpl->setVariable("DOWNLOAD_TITLE_VALUE", $s_downloadtitle);
                $this->tpl->setVariable("ISEXAMPLE", $s_isexample);

                                
                // content is in utf-8, todo: set globally
                // header('Content-type: text/html; charset=UTF-8');

                // input text area
                $this->tpl->setVariable("PAR_TA_NAME", "par_content");
                
                if (key($_POST["cmd"]) == "create_src")
                {
                        $this->tpl->setVariable("PAR_TA_CONTENT", ilUtil::prepareFormOutput(stripslashes($_POST["par_content"])));
                }
                else
                {
                        $this->tpl->setVariable("PAR_TA_CONTENT", "");
                }
//              $this->tpl->parseCurrentBlock();

                // operations
                $this->tpl->setCurrentBlock("commands");
                $this->tpl->setVariable("BTN_NAME", "create_src");      //--            
                $this->tpl->setVariable("UPLOAD_BTN_NAME", "create_src");
                $this->tpl->setVariable("BTN_TEXT", $this->lng->txt("save"));
                $this->tpl->setVariable("BTN_CANCEL", "cancelCreate");
                $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
                $this->tpl->parseCurrentBlock();

        }


        function update()
        {
                global $ilBench;

                $ilBench->start("Editor","Paragraph_update");
                // set language and characteristic
                
                $this->content_obj->setLanguage($_POST["par_language"]);
                $this->content_obj->setCharacteristic($_POST["par_characteristic"]);

                //echo "PARupdate:".htmlentities($this->content_obj->input2xml($_POST["par_content"])).":<br>"; exit;

                 
                // set language and characteristic
                $this->content_obj->setLanguage($_POST["par_language"]);
                $this->content_obj->setSubCharacteristic($_POST["par_subcharacteristic"]);
                $this->content_obj->setDownloadTitle(str_replace('"', '', ilUtil::stripSlashes($_POST["par_downloadtitle"])));
                $this->content_obj->setShowLineNumbers(($_POST["par_showlinenumbers"]=="on")?"y":"n");
                $this->content_obj->setAutoIndent(($_POST["par_autoindent"]=="on")?"y":"n");
                $this->content_obj->setSubCharacteristic($_POST["par_subcharacteristic"]);
                        $this->content_obj->setCharacteristic("Code");

                $this->updated = $this->content_obj->setText(
                        $this->content_obj->input2xml($_POST["par_content"], 0, false));

                if ($this->updated !== true)
                {
                        //echo "Did not update!";
                        $ilBench->stop("Editor","Paragraph_update");
                        $this->edit();
                        return;
                }

                $this->updated = $this->pg_obj->update();

                $ilBench->stop("Editor","Paragraph_update");

                if ($this->updated === true && $this->ctrl->getCmd () != "upload" )
                {
                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                }
                else
                {
                        $this->edit();
                }
        }
        
        function cancelUpdate()
        {
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function create()
        {       
                $this->content_obj = new ilPCSourceCode($this->getPage());
                $this->content_obj->create($this->pg_obj, $this->hier_id, $this->pc_id);
                $this->content_obj->setLanguage($_POST["par_language"]);

                $_SESSION["il_text_lang_".$_GET["ref_id"]] = $_POST["par_language"];

                $uploaded = $this->upload_source();
                                
                $this->content_obj->setCharacteristic   ($_POST["par_characteristic"]);
                $this->content_obj->setSubCharacteristic($_POST["par_subcharacteristic"]);
                $this->content_obj->setDownloadTitle    (str_replace('"', '', ilUtil::stripSlashes($_POST["par_downloadtitle"])));
                $this->content_obj->setShowLineNumbers  (($_POST["par_showlinenumbers"]=='on')?'y':'n');
                $this->content_obj->setCharacteristic   ('Code');
                $this->content_obj->setAutoIndent       (($_POST["par_indent"]=='on')?'y':'n');
                                
                if ($uploaded) {
                        $this->insert ();
                        return;
                }
                
                $this->updated = $this->content_obj->setText(
                        $this->content_obj->input2xml($_POST["par_content"], 0, false));
                
                if ($this->updated !== true)
                {
                        $this->insert();
                        return;
                }
                
                $this->updated = $this->pg_obj->update();

                if ($this->updated === true && !$uploaded)
                {
                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                }
                else
                {
                        $this->insert ();
                }
        }
        
        function cancelCreate()
        {
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }

        function upload () {
                $this->upload_source();
                $this->update ();
        }
                
        function upload_source () {             
                if (isset($_FILES['userfile']['name']))
                {
                        $userfile = $_FILES['userfile']['tmp_name'];
                        
                        if ($userfile == "" || !is_uploaded_file($userfile))
                        {
                                $error_str = "<b>Error(s):</b><br>Upload error: file name must not be empty!";
                                $this->tpl->setVariable("MESSAGE", $error_str);
                                $this->content_obj->setText($this->content_obj->input2xml(stripslashes($_POST["par_content"]), 0, false));
                                return false;
                        }

                        $_POST["par_content"] = file_get_contents($userfile);                                                           
                        $_POST["par_downloadtitle"] = $_FILES['userfile']['name'];                      
                        return true;
                }                               
                
                return false;
        } 
        
        
        function readProgLangs () {
                $prog_langs_ini = file ("Services/COPage/syntax_highlight/php/admin/prog_langs.ini");
                $prog_langs = array ("" => $this->lng->txt("cont_src_other"));
                foreach ($prog_langs_ini as $prog_lang) {
                        $prog_lang_prop = split (":", $prog_lang);
                        if ($prog_lang_prop[2] == 1) {
                                $prog_langs[$prog_lang_prop[0]] = $prog_lang_prop[1];
                        }
                }
                
                return $prog_langs;
        }       
}
?>