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📄 core_renderer.php(11.8 KB)

Editing: core_renderer.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 theme_boost\output;

use moodle_url;
use html_writer;
use get_string;

defined('MOODLE_INTERNAL') || die;

/**
 * Renderers to align Moodle's HTML with that expected by Bootstrap
 *
 * @package    theme_boost
 * @copyright  2012 Bas Brands, www.basbrands.nl
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class core_renderer extends \core_renderer {

/**
     * Returns HTML to display a "Turn editing on/off" button in a form.
     *
     * @param moodle_url $url The URL + params to send through when clicking the button
     * @param string $method
     * @return string HTML the button
     */
    public function edit_button(moodle_url $url, string $method = 'post') {
        if ($this->page->theme->haseditswitch) {
            return;
        }
        $url->param('sesskey', sesskey());
        if ($this->page->user_is_editing()) {
            $url->param('edit', 'off');
            $editstring = get_string('turneditingoff');
        } else {
            $url->param('edit', 'on');
            $editstring = get_string('turneditingon');
        }
        $button = new \single_button($url, $editstring, $method, ['class' => 'btn btn-primary']);
        return $this->render_single_button($button);
    }

/**
     * Renders the "breadcrumb" for all pages in boost.
     *
     * @return string the HTML for the navbar.
     */
    public function navbar(): string {
        $newnav = new \theme_boost\boostnavbar($this->page);
        return $this->render_from_template('core/navbar', $newnav);
    }

/**
     * Renders the context header for the page.
     *
     * @param array $headerinfo Heading information.
     * @param int $headinglevel What 'h' level to make the heading.
     * @return string A rendered context header.
     */
    public function context_header($headerinfo = null, $headinglevel = 1): string {
        global $DB, $USER, $CFG;
        require_once($CFG->dirroot . '/user/lib.php');
        $context = $this->page->context;
        $heading = null;
        $imagedata = null;
        $userbuttons = null;

// Make sure to use the heading if it has been set.
        if (isset($headerinfo['heading'])) {
            $heading = $headerinfo['heading'];
        } else {
            $heading = $this->page->heading;
        }

// The user context currently has images and buttons. Other contexts may follow.
        if ((isset($headerinfo['user']) || $context->contextlevel == CONTEXT_USER) && $this->page->pagetype !== 'my-index') {
            if (isset($headerinfo['user'])) {
                $user = $headerinfo['user'];
            } else {
                // Look up the user information if it is not supplied.
                $user = $DB->get_record('user', array('id' => $context->instanceid));
            }

// If the user context is set, then use that for capability checks.
            if (isset($headerinfo['usercontext'])) {
                $context = $headerinfo['usercontext'];
            }

// Only provide user information if the user is the current user, or a user which the current user can view.
            // When checking user_can_view_profile(), either:
            // If the page context is course, check the course context (from the page object) or;
            // If page context is NOT course, then check across all courses.
            $course = ($this->page->context->contextlevel == CONTEXT_COURSE) ? $this->page->course : null;

if (user_can_view_profile($user, $course)) {
                // Use the user's full name if the heading isn't set.
                if (empty($heading)) {
                    $heading = fullname($user);
                }

$imagedata = $this->user_picture($user, array('size' => 100));

// Check to see if we should be displaying a message button.
                if (!empty($CFG->messaging) && has_capability('moodle/site:sendmessage', $context)) {
                    $userbuttons = array(
                        'messages' => array(
                            'buttontype' => 'message',
                            'title' => get_string('message', 'message'),
                            'url' => new moodle_url('/message/index.php', array('id' => $user->id)),
                            'image' => 'message',
                            'linkattributes' => \core_message\helper::messageuser_link_params($user->id),
                            'page' => $this->page
                        )
                    );

if ($USER->id != $user->id) {
                        $iscontact = \core_message\api::is_contact($USER->id, $user->id);
                        $contacttitle = $iscontact ? 'removefromyourcontacts' : 'addtoyourcontacts';
                        $contacturlaction = $iscontact ? 'removecontact' : 'addcontact';
                        $contactimage = $iscontact ? 'removecontact' : 'addcontact';
                        $userbuttons['togglecontact'] = array(
                                'buttontype' => 'togglecontact',
                                'title' => get_string($contacttitle, 'message'),
                                'url' => new moodle_url('/message/index.php', array(
                                        'user1' => $USER->id,
                                        'user2' => $user->id,
                                        $contacturlaction => $user->id,
                                        'sesskey' => sesskey())
                                ),
                                'image' => $contactimage,
                                'linkattributes' => \core_message\helper::togglecontact_link_params($user, $iscontact),
                                'page' => $this->page
                            );
                    }

$this->page->requires->string_for_js('changesmadereallygoaway', 'moodle');
                }
            } else {
                $heading = null;
            }
        }

$prefix = null;
        if ($context->contextlevel == CONTEXT_MODULE) {
            if ($this->page->course->format === 'singleactivity') {
                $heading = format_string($this->page->course->fullname, true, ['context' => $context]);
            } else {
                $heading = $this->page->cm->get_formatted_name();
                $iconurl = $this->page->cm->get_icon_url();
                $iconclass = $iconurl->get_param('filtericon') ? '' : 'nofilter';
                $iconattrs = [
                    'class' => "icon activityicon $iconclass",
                    'aria-hidden' => 'true'
                ];
                $imagedata = html_writer::img($iconurl->out(false), '', $iconattrs);
                $purposeclass = plugin_supports('mod', $this->page->activityname, FEATURE_MOD_PURPOSE);
                $purposeclass .= ' activityiconcontainer';
                $purposeclass .= ' modicon_' . $this->page->activityname;
                $imagedata = html_writer::tag('div', $imagedata, ['class' => $purposeclass]);
                if (!empty($USER->editing)) {
                    $prefix = get_string('modulename', $this->page->activityname);
                }
            }
        }

$contextheader = new \context_header($heading, $headinglevel, $imagedata, $userbuttons, $prefix);
        return $this->render_context_header($contextheader);
    }

/**
      * Renders the header bar.
      *
      * @param context_header $contextheader Header bar object.
      * @return string HTML for the header bar.
      */
    protected function render_context_header(\context_header $contextheader) {

// Generate the heading first and before everything else as we might have to do an early return.
        if (!isset($contextheader->heading)) {
            $heading = $this->heading($this->page->heading, $contextheader->headinglevel, 'h2');
        } else {
            $heading = $this->heading($contextheader->heading, $contextheader->headinglevel, 'h2');
        }

// All the html stuff goes here.
        $html = html_writer::start_div('page-context-header');

// Image data.
        if (isset($contextheader->imagedata)) {
            // Header specific image.
            $html .= html_writer::div($contextheader->imagedata, 'page-header-image mr-2');
        }

// Headings.
        if (isset($contextheader->prefix)) {
            $prefix = html_writer::div($contextheader->prefix, 'text-muted text-uppercase small line-height-3');
            $heading = $prefix . $heading;
        }
        $html .= html_writer::tag('div', $heading, array('class' => 'page-header-headings'));

// Buttons.
        if (isset($contextheader->additionalbuttons)) {
            $html .= html_writer::start_div('btn-group header-button-group');
            foreach ($contextheader->additionalbuttons as $button) {
                if (!isset($button->page)) {
                    // Include js for messaging.
                    if ($button['buttontype'] === 'togglecontact') {
                        \core_message\helper::togglecontact_requirejs();
                    }
                    if ($button['buttontype'] === 'message') {
                        \core_message\helper::messageuser_requirejs();
                    }
                    $image = $this->pix_icon($button['formattedimage'], $button['title'], 'moodle', array(
                        'class' => 'iconsmall',
                        'role' => 'presentation'
                    ));
                    $image .= html_writer::span($button['title'], 'header-button-title');
                } else {
                    $image = html_writer::empty_tag('img', array(
                        'src' => $button['formattedimage'],
                        'role' => 'presentation'
                    ));
                }
                $html .= html_writer::link($button['url'], html_writer::tag('span', $image), $button['linkattributes']);
            }
            $html .= html_writer::end_div();
        }
        $html .= html_writer::end_div();

return $html;
    }

/**
     * See if this is the first view of the current cm in the session if it has fake blocks.
     *
     * (We track up to 100 cms so as not to overflow the session.)
     * This is done for drawer regions containing fake blocks so we can show blocks automatically.
     *
     * @return boolean true if the page has fakeblocks and this is the first visit.
     */
    public function firstview_fakeblocks(): bool {
        global $SESSION;

$firstview = false;
        if ($this->page->cm) {
            if (!$this->page->blocks->region_has_fakeblocks('side-pre')) {
                return false;
            }
            if (!property_exists($SESSION, 'firstview_fakeblocks')) {
                $SESSION->firstview_fakeblocks = [];
            }
            if (array_key_exists($this->page->cm->id, $SESSION->firstview_fakeblocks)) {
                $firstview = false;
            } else {
                $SESSION->firstview_fakeblocks[$this->page->cm->id] = true;
                $firstview = true;
                if (count($SESSION->firstview_fakeblocks) > 100) {
                    array_shift($SESSION->firstview_fakeblocks);
                }
            }
        }
        return $firstview;
    }
}

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