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
{
    protected $user;

    
    public function __construct($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id = "")
    {
        global $DIC;

        $this->user = $DIC->user();
        parent::__construct($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id);
    }


    public 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;
    }

    public function edit()
    {
        $form = $this->initPropertyForm($this->lng->txt("cont_edit_src"), "update", "cancelCreate");

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

        $this->displayValidationError();

        if (key($_POST["cmd"]) == "update") {
            $form->setValuesByPost();
        } else {
            $form->getItemByPostVar("par_language")->setValue($this->content_obj->getLanguage());
            $form->getItemByPostVar("par_subcharacteristic")->setValue($this->content_obj->getSubCharacteristic());
            $form->getItemByPostVar("par_downloadtitle")->setValue($this->content_obj->getDownloadTitle());
            $form->getItemByPostVar("par_showlinenumbers")->setChecked(
                $this->content_obj->getShowLineNumbers() == "y"?true:false
            );
            //                  $form->getItemByPostVar("par_autoindent")->setChecked(
            //                          $this->content_obj->getAutoIndent()=="y"?true:false);

            $par_content = $this->content_obj->xml2output($this->content_obj->getText());

            //TODO: Find a better way to convert back curly brackets
            $par_content = str_replace("&#123;", "{", $par_content);
            $par_content = str_replace("&#125;", "}", $par_content);

            $form->getItemByPostVar("par_content")->setValue($par_content);
        }


        $this->tpl->setContent($form->getHTML());
    }
    
    public function insert()
    {
        $ilUser = $this->user;

        $form = $this->initPropertyForm($this->lng->txt("cont_insert_src"), "create_src", "cancelCreate");

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

        $this->displayValidationError();

        if (key($_POST["cmd"]) == "create_src") {
            $form->setValuesByPost();
        } else {
            if ($_SESSION["il_text_lang_" . $_GET["ref_id"]] != "") {
                $form->getItemByPostVar("par_language")->setValue($_SESSION["il_text_lang_" . $_GET["ref_id"]]);
            } else {
                $form->getItemByPostVar("par_language")->setValue($ilUser->getLanguage());
            }

            $form->getItemByPostVar("par_showlinenumbers")->setChecked(true);
            //                  $form->getItemByPostVar("par_autoindent")->setChecked(true);
            $form->getItemByPostVar("par_subcharacteristic")->setValue("");
            $form->getItemByPostVar("par_content")->setValue("");
        }

        $this->tpl->setContent($form->getHTML());
    }


    public function update()
    {
        $this->upload_source();

        // 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"]?"y":"n");
        //$this->content_obj->setAutoIndent($_POST["par_autoindent"]?"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!";
            $this->edit();
            return;
        }

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

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

    public 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"]?'y':'n');
        $this->content_obj->setCharacteristic('Code');
        //$this->content_obj->setAutoIndent     ($_POST["par_autoindent"]?'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();
        }
    }
    
    public function cancelCreate()
    {
        $this->ctrl->returnToParent($this, "jump" . $this->hier_id);
    }
        
    public 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;
    }


    public function getProgLangOptions()
    {
        $prog_langs = array(
            "" => "other");
        include_once("./Services/UIComponent/SyntaxHighlighter/classes/class.ilSyntaxHighlighter.php");
        foreach (ilSyntaxHighlighter::getSupportedLanguagesV51() as $k => $v) {
            $prog_langs[$k] = $v;
        }
        return $prog_langs;
    }

    public function initPropertyForm($a_title, $a_cmd, $a_cmd_cancel)
    {
        include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setTitle($a_title);
        $form->setFormAction($this->ctrl->getFormAction($this, $a_cmd));
        $form->addCommandButton($a_cmd, $this->lng->txt("save"));
        $form->addCommandButton($a_cmd_cancel, $this->lng->txt("cancel"));


        require_once("Services/MetaData/classes/class.ilMDLanguageItem.php");
        $lang_var = ilMDLanguageItem::_getLanguages();
        include_once("./Services/Form/classes/class.ilSelectInputGUI.php");
        $lang = new ilSelectInputGUI($this->lng->txt("language"), "par_language");
        $lang->setOptions($lang_var);
        $form->addItem($lang);

        $prog_langs = $this->getProgLangOptions();
        $code_style = new ilSelectInputGUI($this->lng->txt("cont_src"), "par_subcharacteristic");
        $code_style->setOptions($prog_langs);
        $form->addItem($code_style);
        include_once("./Services/Form/classes/class.ilSelectInputGUI.php");
        $line_number = new ilCheckboxInputGUI($this->lng->txt("cont_show_line_numbers"), "par_showlinenumbers");
        $form->addItem($line_number);
        //$indent = new ilCheckboxInputGUI($this->lng->txt("cont_autoindent"), "par_autoindent");
        //$form->addItem($indent);


        include_once("./Services/Form/classes/class.ilSelectInputGUI.php");
        $code = new ilTextAreaInputGUI("", "par_content");
        $code->setRows(12);
        $form->addItem($code);

        include_once("./Services/Form/classes/class.ilTextInputGUI.php");
        $downlaod_title = new ilTextInputGUI($this->lng->txt("cont_download_title"), "par_downloadtitle");
        $downlaod_title->setSize(40);
        $form->addItem($downlaod_title);

        include_once("./Services/Form/classes/class.ilFileInputGUI.php");
        $file = new ilFileInputGUI($this->lng->txt("import_file"), "userfile");
        $form->addItem($file);

        return $form;
    }
}