ResourcesCollector.php

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<?php
 
namespace ILIAS\COPage;
 
use ILIAS\COPage\PC\PCDefinition;
 
class ResourcesCollector
{
    protected PCDefinition $pc_definition;
    protected string $output_mode = "";
    protected array $js_files = [];
    protected array $css_files = [];
    protected array $onload_code = [];
 
    public function __construct(
        string $output_mode,
        ?\ilPageObject $pg = null
    ) {
        global $DIC;
 
        // workaround (note that pcquestion currently checks for page config, if self assessment is enabled
        if (is_null($pg)) {
            $pg = new \ilLMPage();
        }
        if ($pg->getXMLContent() === "") {
            $pg->setXMLContent("<PageObject></PageObject>");
        }
        $this->output_mode = $output_mode;
        $this->pc_definition = $DIC
            ->copage()
            ->internal()
            ->domain()
            ->pc()
            ->definition();
        $this->init($pg);
    }
 
    protected function init(\ilPageObject $pg): void
    {
        // basic files must be copied of offline version as well
        // (for all other modes they are included automatically)
        if ($this->output_mode == \ilPageObjectGUI::OFFLINE) {
            $this->js_files[] = \iljQueryUtil::getLocaljQueryPath();
            $this->js_files[] = 'assets/js/Basic.js';
            $this->js_files[] = 'assets/js/mathjax_config.js';
            $this->js_files[] = 'node_modules/mathjax/es5/tex-chtml-full.js';
        }
 
        $this->js_files[] = "components/ILIAS/COPage/js/ilCOPagePres.js";
 
        // for all page components...
        $defs = $this->pc_definition->getPCDefinitions();
        $pg->buildDom();
        foreach ($defs as $def) {
            $pc_class = $def["pc_class"];
            $pc_obj = new $pc_class($pg);
 
            // javascript files
            $js_files = $pc_obj->getJavascriptFiles($this->output_mode);
            foreach ($js_files as $js) {
                if (!in_array($js, $this->js_files)) {
                    $this->js_files[] = $js;
                }
            }
 
            // css files
            $css_files = $pc_obj->getCssFiles($this->output_mode);
            foreach ($css_files as $css) {
                if (!in_array($css, $this->css_files)) {
                    $this->css_files[] = $css;
                }
            }
 
            // onload code
            $onload_code = $pc_obj->getOnloadCode($this->output_mode);
            foreach ($onload_code as $code) {
                $this->onload_code[] = $code;
            }
        }
    }
 
    public function getJavascriptFiles(): array
    {
        return $this->js_files;
    }
 
    public function getCssFiles(): array
    {
        return $this->css_files;
    }
 
    public function getOnloadCode(): array
    {
        return $this->onload_code;
    }
}