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📄 activity_header.php(7.71 KB)
📄 checkbox_toggleall.php(5.02 KB)
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📄 chooser_section.php(2.34 KB)
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📄 inplace_editable.php(10.01 KB)
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📄 mustache_template_finder.php(4.33 KB)
📄 mustache_template_source_loader.php(15.1 KB)
📄 mustache_uniqid_helper.php(1.56 KB)
📄 mustache_user_date_helper.php(2.09 KB)
📄 named_templatable.php(1.25 KB)
📄 notification.php(5.25 KB)
📄 participants_action_bar.php(8.7 KB)
📄 select_menu.php(5.98 KB)
📄 sticky_footer.php(4.52 KB)
📄 url_rewriter.php(1.64 KB)

Editing: participants_action_bar.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace core\output;

use context_course;
use moodle_page;
use navigation_node;
use moodle_url;

/**
 * Class responsible for generating the action bar (tertiary nav) elements in the participants page and related pages.
 *
 * @package    core
 * @copyright  2021 Peter Dias
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class participants_action_bar implements \renderable {
    /** @var object $course The course we are dealing with. */
    private $course;
    /** @var moodle_page $page The current page. */
    private $page;
    /** @var navigation_node $node The settings node for the participants page. */
    private $node;
    /** @var string|null $renderedcontent Rendered buttons to be displayed in-line with the select box */
    private $renderedcontent;

/**
     * Constructor participants_action_bar
     * @param object $course The course that we are generating the nav for
     * @param moodle_page $page The page object
     * @param string|null $renderedcontent Any additional rendered content/actions to be displayed in line with the nav
     */
    public function __construct(object $course, moodle_page $page, ?string $renderedcontent) {
        $this->course = $course;
        $this->page = $page;
        $node = 'users';
        if ($this->page->context->contextlevel == CONTEXT_MODULE) {
            $node = 'modulesettings';
        } else if ($this->page->context->contextlevel == CONTEXT_COURSECAT) {
            $node = 'categorysettings';
        }

$this->node = $this->page->settingsnav->find($node, null);
        $this->renderedcontent = $renderedcontent;
    }

/**
     * Return the nodes required to be displayed in the url_select box.
     * The nodes are divided into 3 sections each with the heading as the key.
     *
     * @return array
     */
    protected function get_ordered_nodes(): array {
        return [
            'enrolments:enrol' => [
                'review',
                'manageinstances'
            ],
            'groups:group' => [
                'groups'
            ],
            'permissions:role' => [
                'override',
                'roles',
                'otherusers',
                'permissions',
                'roleoverride',
                'rolecheck',
                'roleassign',
            ]
        ];
    }

/**
     * Get the content for the url_select select box.
     *
     * @return array
     */
    protected function get_content_for_select(): array {
        if (!$this->node) {
            return [];
        }

$formattedcontent = [];
        $enrolmentsheading = get_string('enrolments', 'enrol');
        if ($this->page->context->contextlevel != CONTEXT_MODULE &&
                $this->page->context->contextlevel != CONTEXT_COURSECAT) {
            // Pre-populate the formatted tertiary nav items with the "Enrolled users" node if user can view the participants page.
            $coursecontext = context_course::instance($this->course->id);
            $canviewparticipants = course_can_view_participants($coursecontext);
            if ($canviewparticipants) {
                $participantsurl = (new moodle_url('/user/index.php', ['id' => $this->course->id]))->out();
                $formattedcontent[] = [
                    $enrolmentsheading => [
                        $participantsurl => get_string('enrolledusers', 'enrol'),
                    ]
                ];
            }
        }

$nodes = $this->get_ordered_nodes();
        foreach ($nodes as $description => $content) {
            list($stringid, $location) = explode(':', $description);
            $heading = get_string($stringid, $location);
            $items = [];
            foreach ($content as $key) {
                if ($node = $this->node->find($key, null)) {
                    if ($node->has_action()) {
                        $items[$node->action()->out()] = $node->text;
                    }

// Additional items to be added.
                    if ($key === 'groups') {
                        $params = ['id' => $this->course->id];
                        $items += [
                            (new moodle_url('/group/groupings.php', $params))->out() => get_string('groupings', 'group'),
                            (new moodle_url('/group/overview.php', $params))->out() => get_string('overview', 'group')
                        ];
                    }
                }
            }
            if ($items) {
                if ($heading === $enrolmentsheading) {
                    // Merge the contents of the "Enrolments" group with the ones from the course settings nav.
                    $formattedcontent[0][$heading] = array_merge($formattedcontent[0][$heading], $items);
                } else {
                    $formattedcontent[][$heading] = $items;
                }
            }
        }

// If we are accessing a page from a module/category context additional nodes will not be visible.
        if ($this->page->context->contextlevel != CONTEXT_MODULE &&
                $this->page->context->contextlevel != CONTEXT_COURSECAT) {
            // Need to do some funky code here to find out if we have added third party navigation nodes.
            $thirdpartynodearray = $this->get_thirdparty_node_array() ?: [];
            $formattedcontent = array_merge($formattedcontent, $thirdpartynodearray);
        }
        return $formattedcontent;
    }

/**
     * Gets an array of third party navigation nodes in an array formatted for a url_select element.
     *
     * @return array|null The thirdparty node array.
     */
    protected function get_thirdparty_node_array(): ?array {
        $results = [];

$flatnodes = array_merge(...(array_values($this->get_ordered_nodes())));

foreach ($this->node->children as $child) {
            if (array_search($child->key, $flatnodes) === false) {
                $results[] = $child;
            }
        }

return \core\navigation\views\secondary::create_menu_element($results, true);
    }

/**
     * Recursively tries to find a matching url
     * @param array $urlcontent The content for the url_select
     * @param int $strictness Strictness for the compare criteria
     * @return string The matching active url
     */
    protected function find_active_page(array $urlcontent, int $strictness = URL_MATCH_EXACT): string {
        foreach ($urlcontent as $key => $value) {
            if (is_array($value) && $activeitem = $this->find_active_page($value, $strictness)) {
                return $activeitem;
            } else if ($this->page->url->compare(new moodle_url($key), $strictness)) {
                return $key;
            }
        }

return "";
    }

/**
     * Gets the url_select to be displayed in the participants page if available.
     *
     * @param \renderer_base $output
     * @return object|null The content required to render the url_select
     */
    public function get_dropdown(\renderer_base $output): ?object {
        if ($urlselectcontent = $this->get_content_for_select()) {
            $activeurl = $this->find_active_page($urlselectcontent);
            $activeurl = $activeurl ?: $this->find_active_page($urlselectcontent, URL_MATCH_BASE);
            $urlselect = new \url_select($urlselectcontent, $activeurl, null);
            $urlselect->set_label(get_string('participantsnavigation', 'course'), ['class' => 'sr-only']);
            return $urlselect->export_for_template($output);
        }

return null;
    }

/**
     * Export the content to be displayed on the participants page.
     *
     * @param \renderer_base $output
     * @return array Consists of the following:
     *              - urlselect A stdclass representing the standard navigation options to be fed into a urlselect
     *              - renderedcontent Rendered content to be displayed in line with the tertiary nav
     */
    public function export_for_template(\renderer_base $output) {
        return [
            'urlselect' => $this->get_dropdown($output),
            'renderedcontent' => $this->renderedcontent,
        ];
    }
}

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