class.ilWikiHTMLExport.php

Go to the documentation of this file.

<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilWikiHTMLExport
{
        protected $wiki;
        const MODE_DEFAULT = "html";
        const MODE_USER = "user_html";
        protected $mode = self::MODE_DEFAULT;

        protected $log;

        function __construct($a_wiki)
        {
                $this->wiki = $a_wiki;
                $this->log = ilLoggerFactory::getLogger('wiki');
        }
        
        function setMode($a_val)
        {
                $this->mode = $a_val;
        }
        
        function getMode()
        {
                return $this->mode;
        }

        function buildExportFile()
        {
                $this->log->debug("buildExportFile...");
        //init the mathjax rendering for HTML export
                include_once './Services/MathJax/classes/class.ilMathJax.php';
                ilMathJax::getInstance()->init(ilMathJax::PURPOSE_EXPORT);

                if ($this->getMode() == self::MODE_USER)
                {
                        global $ilDB, $ilUser;
                        include_once("./Modules/Wiki/classes/class.ilWikiUserHTMLExport.php");
                        $this->user_html_exp = new ilWikiUserHTMLExport($this->wiki, $ilDB, $ilUser);
                }

                $ascii_name = str_replace(" ", "_", ilUtil::getASCIIFilename($this->wiki->getTitle()));

                // create export file
                include_once("./Services/Export/classes/class.ilExport.php");
                ilExport::_createExportDirectory($this->wiki->getId(), $this->getMode(), "wiki");
                $exp_dir =
                        ilExport::_getExportDirectory($this->wiki->getId(), $this->getMode(), "wiki");

                if ($this->getMode() == self::MODE_USER)
                {
                        ilUtil::delDir($exp_dir, true);
                }

                if ($this->getMode() == self::MODE_USER)
                {
                        $this->subdir = $ascii_name;
                }
                else
                {
                        $this->subdir = $this->wiki->getType()."_".$this->wiki->getId();
                }
                $this->export_dir = $exp_dir."/".$this->subdir;
//echo "+".$this->export_dir."+";
                // initialize temporary target directory
                ilUtil::delDir($this->export_dir);
                ilUtil::makeDir($this->export_dir);

                $this->log->debug("export directory: ".$this->export_dir);

                // system style html exporter
                include_once("./Services/Style/System/classes/class.ilSystemStyleHTMLExport.php");
                $this->sys_style_html_export = new ilSystemStyleHTMLExport($this->export_dir);
                $this->sys_style_html_export->addImage("icon_wiki.svg");
                $this->sys_style_html_export->export();

                // init co page html exporter
                include_once("./Services/COPage/classes/class.ilCOPageHTMLExport.php");
                $this->co_page_html_export = new ilCOPageHTMLExport($this->export_dir);
                $this->co_page_html_export->setContentStyleId(
                        $this->wiki->getStyleSheetId());
                $this->co_page_html_export->createDirectories();
                $this->co_page_html_export->exportStyles();
                $this->co_page_html_export->exportSupportScripts();

                // export pages
                $this->log->debug("export pages");
                $this->exportHTMLPages();

                $date = time();
                $zip_file_name = ($this->getMode() == self::MODE_USER)
                        ? $ascii_name.".zip"
                        : $date."__".IL_INST_ID."__".$this->wiki->getType()."_".$this->wiki->getId().".zip";

                // zip everything
                if (true)
                {
                        // zip it all
                        $zip_file = ilExport::_getExportDirectory($this->wiki->getId(), $this->getMode(), "wiki").
                                "/".$zip_file_name;
                        $this->log->debug("zip: ".$zip_file);
                        ilUtil::zip($this->export_dir, $zip_file);
                        ilUtil::delDir($this->export_dir);
                }
        }

        function exportHTMLPages()
        {
                global $tpl, $ilBench, $ilLocator;

                $pages = ilWikiPage::getAllWikiPages($this->wiki->getId());

                include_once("./Services/COPage/classes/class.ilPageContentUsage.php");
                include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
                $cnt = 0;
                foreach ($pages as $page)
                {
                        $this->log->debug("page: ".$page["id"]);
                        if (ilWikiPage::_exists("wpg", $page["id"]))
                        {
                                $this->log->debug("export page");
                                $this->exportPageHTML($page["id"]);
                                $this->log->debug("collect page elements");
                                $this->co_page_html_export->collectPageElements("wpg:pg", $page["id"]);
                        }
//sleep(2);
                        if ($this->getMode() == self::MODE_USER)
                        {
                                $cnt++;
                                $this->log->debug("update status: ".$cnt);
                                $this->user_html_exp->updateStatus((int) (50 / count($pages) * $cnt) ,ilWikiUserHTMLExport::RUNNING);
                        }

                }
                $this->co_page_html_export->exportPageElements($this->updateUserHTMLStatusForPageElements);
        }

        function updateUserHTMLStatusForPageElements($a_total, $a_cnt)
        {
                if ($this->getMode() == self::MODE_USER)
                {
                        $this->user_html_exp->updateStatus((int) 50 + (50 / count($a_total) * $a_cnt) ,ilWikiUserHTMLExport::RUNNING);
                }
        }


        function exportPageHTML($a_page_id)
        {
                global $ilUser, $lng, $ilTabs;

                $ilTabs->clearTargets();
                
                $this->tpl = $this->co_page_html_export->getPreparedMainTemplate();
                
                $this->tpl->getStandardTemplate();
                $file = $this->export_dir."/wpg_".$a_page_id.".html";
                // return if file is already existing
                if (@is_file($file))
                {
                        $this->log->debug("file already exists");
                        return;
                }

                // page
                $this->log->debug("init page gui");
                include_once("./Modules/Wiki/classes/class.ilWikiPageGUI.php");
                $wpg_gui = new ilWikiPageGUI($a_page_id);
                $wpg_gui->setOutputMode("offline");
                $page_content = $wpg_gui->showPage();

                // export template: page content
                $this->log->debug("init page gui");
                $ep_tpl = new ilTemplate("tpl.export_page.html", true, true,
                        "Modules/Wiki");
                $ep_tpl->setVariable("PAGE_CONTENT", $page_content);
                
                // export template: right content
                include_once("./Modules/Wiki/classes/class.ilWikiImportantPagesBlockGUI.php");
                $bl = new ilWikiImportantPagesBlockGUI();
                $ep_tpl->setVariable("RIGHT_CONTENT", $bl->getHTML(true));

                // workaround
//              $this->tpl->setVariable("MAINMENU", "<div style='min-height:40px;'></div>");
                $this->tpl->setVariable("MAINMENU", "");

                $this->log->debug("set title");
                $this->tpl->setTitle($this->wiki->getTitle());
                $this->tpl->setTitleIcon("./images/icon_wiki.svg",
                        $lng->txt("obj_wiki"));

                $this->tpl->setContent($ep_tpl->get());
                //$this->tpl->fillMainContent();
                $content = $this->tpl->get("DEFAULT", false, false, false,
                        true, true, true);

//echo htmlentities($content); exit;
                // open file
                $this->log->debug("write file: ".$file);
                if (!($fp = @fopen($file,"w+")))
                {
                        $this->log->error("Could not open ".$file." for writing.");
                        include_once("./Modules/Wiki/exceptions/class.ilWikiExportException.php");
                        throw new ilWikiExportException("Could not open \"".$file."\" for writing.");
                }

                // set file permissions
                $this->log->debug("set permissions");
                chmod($file, 0770);

                // write xml data into the file
                fwrite($fp, $content);

                // close file
                fclose($fp);

                if ($this->wiki->getStartPage() == $wpg_gui->getPageObject()->getTitle())
                {
                        copy($file, $this->export_dir."/index.html");
                }
        }

        function getUserExportFile()
        {
                include_once("./Services/Export/classes/class.ilExport.php");
                $exp_dir =
                        ilExport::_getExportDirectory($this->wiki->getId(), $this->getMode(), "wiki");
                $this->log->debug("dir: ".$exp_dir);
                foreach (new DirectoryIterator($exp_dir) as $fileInfo)
                {
                        $this->log->debug("file: ".$fileInfo->getFilename());
                        if (pathinfo($fileInfo->getFilename(),PATHINFO_EXTENSION) == "zip")
                        {
                                $this->log->debug("return: ".$exp_dir."/".$fileInfo->getFilename());
                                return $exp_dir."/".$fileInfo->getFilename();
                        }
                }
                return false;
        }


}
?>