class.ilSystemStyleHTMLExport.php

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<?php
/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilSystemStyleHTMLExport
{
        private $exp_dir = "";
        private $images = [];

        function __construct($a_exp_dir)
        {
                $this->exp_dir = $a_exp_dir;
                $this->style_dir = $a_exp_dir."/style";
                $this->style_img_dir = $a_exp_dir."/style/images";
                $this->img_dir = $a_exp_dir."/images";
                $this->img_browser_dir = $a_exp_dir."/images/browser";
                
                // add standard images
                $this->addImage("enlarge.svg");
                $this->addImage("browser/blank.png", "/browser/plus.png");
                $this->addImage("browser/blank.png", "/browser/minus.png");
                $this->addImage("browser/blank.png", "/browser/blank.png");
                $this->addImage("spacer.png");
                $this->addImage("icon_st.svg");
                $this->addImage("icon_pg.svg");
                $this->addImage("icon_lm.svg");
                $this->addImage("nav_arr_L.png");
                $this->addImage("nav_arr_R.png");
        }

        function createDirectories()
        {
                ilUtil::makeDir($this->style_dir);
                ilUtil::makeDir($this->style_img_dir);
                ilUtil::makeDir($this->img_dir);
                ilUtil::makeDir($this->img_browser_dir);
        }
        
        function addImage($a_file, $a_exp_file_name = "")
        {
                $this->images[] = ["file" => $a_file,
                        "exp_file_name" => $a_exp_file_name];
        }

        function export()
        {
                global $ilUser;
                
                $this->createDirectories();
                
                // export system style sheet
                $location_stylesheet = ilUtil::getStyleSheetLocation("filesystem");
                $style_name = $ilUser->prefs["style"].".css";
                copy($location_stylesheet, $this->style_dir."/".$style_name);
                $fh = fopen($location_stylesheet, "r");
                $css = fread($fh, filesize($location_stylesheet));
                preg_match_all("/url\(([^\)]*)\)/",$css,$files);
                foreach (array_unique($files[1]) as $fileref)
                {
                        $fileref = dirname($location_stylesheet)."/".$fileref;
                        if (is_file($fileref))
                        {
                                copy($fileref, $this->style_img_dir."/".basename($fileref));
                        }
                }
                fclose($fh);
                
                // export (icon) images
                foreach ($this->images as $im)
                {
                        $from = $to = $im["file"];
                        if ($im["exp_file_name"] != "")
                        {
                                $to = $im["exp_file_name"];
                        }
                        copy(ilUtil::getImagePath($from, false, "filesystem"),
                                $this->img_dir."/".$to);
                }
        }

}