class.ilStudyProgrammeExpandableProgressListGUI.php

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<?php
 
declare(strict_types=1);
 
class ilStudyProgrammeExpandableProgressListGUI extends ilStudyProgrammeProgressListGUI
{
    protected ilRbacSystem $rbacsystem;
    protected ilSetting $setting;
    protected ilAccess $access;
    protected ILIAS\HTTP\Wrapper\RequestWrapper $request_wrapper;
    protected ILIAS\Refinery\Factory $refinery;
 
    protected int $indent = 0;
    protected bool $js_added = false;
    protected bool $css_added = false;
    protected string $alert_icon;
 
    public function __construct(ilPRGProgress $progress)
    {
        parent::__construct($progress);
 
        global $DIC;
        $this->tpl = $DIC['tpl'];
        $this->rbacsystem = $DIC['rbacsystem'];
        $this->setting = $DIC['ilSetting'];
        $this->access = $DIC['ilAccess'];
        $this->request_wrapper = $DIC->http()->wrapper()->query();
        $this->refinery = $DIC->refinery();
 
        $ui_factory = $DIC['ui.factory'];
        $ui_renderer = $DIC['ui.renderer'];
        $this->alert_icon = $ui_renderer->render(
            $ui_factory->symbol()->icon()
                ->custom(ilUtil::getImagePath("standard/icon_alert.svg"), $this->lng->txt("warning"))
                ->withSize('medium')
        );
    }
 
    protected function getIndent(): int
    {
        return $this->indent;
    }
 
    public function setIndent(int $indent): void
    {
        assert($indent >= 0);
        $this->indent = $indent;
    }
 
    public function getHTML(): string
    {
        $this->addJavaScript();
        $this->addCSS();
        return parent::getHTML();
    }
 
    protected function fillTemplate(ilTemplate $tpl): void
    {
        parent::fillTemplate($tpl);
 
        if ($this->showMyProgress()) {
            $tpl->setVariable("ACTIVE_HEAD", "il_PrgAccordionHeadActive");
        }
 
        $tpl->setVariable("ACCORDION_ID", 'id="' . $this->getAccordionId() . '"');
        $tpl->setVariable("HREF_TITLE");
 
        $content = $this->getAccordionContentHTML();
 
        if (trim($content)) {
            $tpl->setCurrentBlock("expand");
            $tpl->setVariable("EXP_ALT", $this->lng->txt("expand"));
            $tpl->setVariable("EXP_IMG", $this->getExpandedImageURL());
            $tpl->setVariable("NOT_EXP_ALT", $this->lng->txt("expanded"));
            $tpl->setVariable("NOT_EXP_IMG", $this->getNotExpandedImageURL());
            $tpl->parseCurrentBlock();
        } else {
            $tpl->touchBlock("indent");
        }
 
        for ($i = 0; $i < $this->getIndent(); $i++) {
            $tpl->touchBlock("indent");
        }
 
        $tpl->setCurrentBlock("accordion");
        if ($this->showMyProgress()) {
            $tpl->setVariable("ACCORDION_HIDE_CONTENT");
        } else {
            $tpl->setVariable("ACCORDION_HIDE_CONTENT", "ilAccHideContent");
        }
        $tpl->setVariable("ACCORDION_CONTENT", $content);
        $this->tpl->addOnloadCode("il.Accordion.add(" . json_encode($this->getAccordionOptions(), JSON_THROW_ON_ERROR) . ");");
        $tpl->parseCurrentBlock();
    }
 
    protected function getAccordionContentHTML(): string
    {
        $programme = ilObjStudyProgramme::getInstanceByObjId($this->progress->getNodeId());
 
        if (!$programme->hasLPChildren()) {
            return $this->getAccordionContentProgressesHTML();
        }
 
        return $this->getAccordionContentCoursesHTML();
    }
 
    protected function getAccordionContentProgressesHTML(): string
    {
        // Make shouldShowSubProgress and newSubItem protected again afterwards, do
        // the same in the derived class ilStudyProgrammeIndividualPlanProgressListGUI.
        $child_progresses = $this->progress->getSubnodes();
 
        return implode("\n", array_map(function (ilPRGProgress $progress) {
            if (!$this->shouldShowSubProgress($progress)) {
                return "";
            }
            $gui = $this->newSubItem($progress);
            $gui->setIndent($this->getIndent() + 1);
            return $gui->getHTML();
        }, $child_progresses));
    }
 
    protected function shouldShowSubProgress(ilPRGProgress $progress): bool
    {
        if ($progress->isRelevant()) {
            $prg = ilObjStudyProgramme::getInstanceByObjId($progress->getNodeId());
 
            $can_read = $this->access->checkAccess("read", "", $prg->getRefId(), "prg", $prg->getId());
            if ($this->visible_on_pd_mode === ilObjStudyProgrammeAdmin::SETTING_VISIBLE_ON_PD_READ && !$can_read) {
                return false;
            }
 
            return true;
        }
 
        return false;
    }
 
    protected function newSubItem(ilPRGProgress $progress): ilStudyProgrammeExpandableProgressListGUI
    {
        return new ilStudyProgrammeExpandableProgressListGUI($progress);
    }
 
    protected function getAccordionContentCoursesHTML(): string
    {
        $preloader = new ilObjectListGUIPreloader(ilObjectListGUI::CONTEXT_PERSONAL_DESKTOP);
 
        $crs = array();
        $prg = ilObjStudyProgramme::getInstanceByObjId($this->progress->getNodeId());
        foreach ($prg->getLPChildren() as $il_obj_crs_ref) {
            if (ilObject::_exists($il_obj_crs_ref->getRefId(), true) &&
                is_null(ilObject::_lookupDeletedDate($il_obj_crs_ref->getRefId()))
            ) {
                continue;
            }
 
            $course = ilObjectFactory::getInstanceByRefId($il_obj_crs_ref->getTargetRefId());
            $preloader->addItem($course->getId(), $course->getType(), $course->getRefId());
            $crs[] = $course;
        }
        $preloader->preload();
 
        return implode("\n", array_map(function (ilObjCourse $course) {
            $item_gui = new ilStudyProgrammeCourseListGUI();
            $this->configureItemGUI($item_gui);
            $item_gui->setContainerObject(new ilStudyProgrammeContainerObjectMock($course));
            return $item_gui->getListItemHTML(
                $course->getRefId(),
                $course->getId(),
                $course->getTitle(),
                $course->getDescription()
            );
        }, $crs));
    }
 
    protected function configureItemGUI(ilStudyProgrammeCourseListGUI $item_gui): void
    {
        $item_gui->enableComments(false);
        $item_gui->enableTags(false);
        $item_gui->enableIcon(true);
        $item_gui->enableDelete(false);
        $item_gui->enableCut(false);
        $item_gui->enableCopy(false);
        $item_gui->enableLink(false);
        $item_gui->enableInfoScreen(true);
        $item_gui->enableSubscribe(true);
        $item_gui->enableCheckbox(false);
        $item_gui->enableDescription(true);
        $item_gui->enableProperties(true);
        $item_gui->enablePreconditions(true);
        $item_gui->enableNoticeProperties(true);
        $item_gui->enableCommands(true, true);
        $item_gui->enableProgressInfo(true);
        $item_gui->setIndent($this->getIndent() + 2);
    }
 
    protected function getAccordionOptions(): array
    {
        return [
            "orientation" => "horizontal",
            // Most propably we don't need this. Or do we want to call ilAccordion.initById?
            "int_id" => "prg_progress_" . $this->progress->getId(),
            "initial_opened" => null,
            "behaviour" => "AllClosed", // or "FirstOpen"
            "toggle_class" => 'il_PrgAccordionToggle',
            "toggle_act_class" => 'foo',
            "content_class" => 'il_PrgAccordionContent',
            "width" => "auto",
            "active_head_class" => "il_PrgAccordionHeadActive",
            "height" => "auto",
            "id" => $this->getAccordionId(),
            "multi" => true,
            "show_all_element" => null,
            "hide_all_element" => null,
            "reset_width" => true,
        ];
    }
 
    protected function getAccordionId(): string
    {
        return "prg_progress_" . $this->progress->getId() . "_" . $this->getIndent();
    }
 
    protected function getExpandedImageURL(): string
    {
        return ilUtil::getImagePath("nav/tree_exp.svg");
    }
 
    protected function getNotExpandedImageURL(): string
    {
        return ilUtil::getImagePath("nav/tree_col.svg");
    }
 
    protected function getTitleAndIconTarget(ilPRGProgress $progress): ?string
    {
        return null;
    }
 
    protected function showMyProgress(): bool
    {
        $prg_progress_id = $this->request_wrapper->retrieve("prg_progress_id", $this->refinery->kindlyTo()->int());
        return  $prg_progress_id === $this->progress->getId();
    }
 
    protected function addJavaScript()
    {
        if ($this->js_added) {
            return false;
        }
 
        iljQueryUtil::initjQueryUI();
        $this->tpl->addJavaScript("assets/js/accordion.js", true, 3);
        $this->js_added = true;
    }
 
    protected function addCSS()
    {
        if ($this->css_added) {
            return false;
        }
 
        $this->tpl->addCSS("assets/css/ilStudyProgramme.css");
        $this->css_added = true;
    }
}