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Code Editor : 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/>.

/**
 * Onetopic renderer logic implementation.
 *
 * @package format_onetopic
 * @copyright 2012 David Herney Bernal - cirano
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
use \format_onetopic\singletab;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->dirroot.'/course/format/renderer.php');

/**
 * Basic renderer for onetopic format.
 *
 * @copyright 2012 David Herney Bernal - cirano
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class format_onetopic_renderer extends format_section_renderer_base {

/** @var stdClass Local format data */
    protected $_format_data;

/** @var stdClass Reference to current course */
    protected $_course;

/**
     * Course sections length.
     * @var int numsections
     */
    public $numsections;

/**
     * Define if js dialogue is required.
     * @var bool showyuidialogue
     */
    public $showyuidialogue = false;

/**
     * Constructor method, calls the parent constructor
     *
     * @param moodle_page $page
     * @param string $target one of rendering target constants
     */
    public function __construct(moodle_page $page, $target) {
        parent::__construct($page, $target);

// Since format_topics_renderer::section_edit_controls() only displays the 'Set current section'
        // control when editing mode is on we need to be sure that the link 'Turn editing mode on' is
        // available for a user who does not have any other managing capability.
        $page->set_other_editing_capability('moodle/course:setcurrentsection');
    }

/**
     * Generate the starting container html for a list of sections
     * @return string HTML to output.
     */
    protected function start_section_list() {
        return html_writer::start_tag('ul', array('class' => 'topics'));
    }

/**
     * Generate the closing container html for a list of sections
     * @return string HTML to output.
     */
    protected function end_section_list() {
        return html_writer::end_tag('ul');
    }

/**
     * Generate the title for this section page
     * @return string the page title
     */
    protected function page_title() {
        return get_string('topicoutline');
    }

/**
     * Generate the section title, wraps it in a link to the section page if page is to be displayed on a separate page
     *
     * @param stdClass $section The course_section entry from DB
     * @param stdClass $course The course entry from DB
     * @return string HTML to output.
     */
    public function section_title($section, $course) {
        return $this->render(course_get_format($course)->inplace_editable_render_section_name($section));
    }

/**
     * Generate the section title to be displayed on the section page, without a link
     *
     * @param stdClass $section The course_section entry from DB
     * @param stdClass $course The course entry from DB
     * @return string HTML to output.
     */
    public function section_title_without_link($section, $course) {
        return $this->render(course_get_format($course)->inplace_editable_render_section_name($section, false));
    }

/**
     * Generate next/previous section links for navigation
     *
     * @param stdClass $course The course entry from DB
     * @param array $sections The course_sections entries from the DB
     * @param int $sectionno The section number in the coruse which is being dsiplayed
     * @return array associative array with previous and next section link
     */
    protected function get_nav_links($course, $sections, $sectionno) {
        // FIXME: This is really evil and should by using the navigation API.
        $course = course_get_format($course)->get_course();
        $canviewhidden = has_capability('moodle/course:viewhiddensections', context_course::instance($course->id))
                            || !($course->hiddensections == 1);

$links = array('previous' => '', 'next' => '');
        $back = $sectionno - 1;

while ((($back > 0 && $course->realcoursedisplay == COURSE_DISPLAY_MULTIPAGE) ||
                ($back >= 0 && $course->realcoursedisplay != COURSE_DISPLAY_MULTIPAGE)) && empty($links['previous'])) {
            if ($canviewhidden || $sections[$back]->uservisible) {
                $params = array();
                if (!$sections[$back]->visible) {
                    $params = array('class' => 'dimmed_text');
                }
                $previouslink = html_writer::tag('span', $this->output->larrow(), array('class' => 'larrow'));
                $previouslink .= get_section_name($course, $sections[$back]);
                $links['previous'] = html_writer::link(course_get_url($course, $back), $previouslink, $params);
            }
            $back--;
        }

$forward = $sectionno + 1;
        while ($forward <= $this->numsections && empty($links['next'])) {
            if ($canviewhidden || $sections[$forward]->uservisible) {
                $params = array();
                if (!$sections[$forward]->visible) {
                    $params = array('class' => 'dimmed_text');
                }
                $nextlink = get_section_name($course, $sections[$forward]);
                $nextlink .= html_writer::tag('span', $this->output->rarrow(), array('class' => 'rarrow'));
                $links['next'] = html_writer::link(course_get_url($course, $forward), $nextlink, $params);
            }
            $forward++;
        }

return $links;
    }

/**
     * Output the html for a single section page .
     *
     * @param stdClass $course The course entry from DB
     * @param array $sections The course_sections entries from the DB
     * @param array $mods used for print_section()
     * @param array $modnames used for print_section()
     * @param array $modnamesused used for print_section()
     * @param int $displaysection The section number in the course which is being displayed
     */
    public function print_single_section_page($course, $sections, $mods, $modnames, $modnamesused, $displaysection) {

$realcoursedisplay = $course->realcoursedisplay;
        $modinfo = get_fast_modinfo($course);
        $courseformat = course_get_format($course);
        $course = $courseformat->get_course();
        $course->realcoursedisplay = $realcoursedisplay;

if (!$sections) {
            $sections = $modinfo->get_section_info_all();
        }

// Can we view the section in question?
        $context = context_course::instance($course->id);
        $canviewhidden = has_capability('moodle/course:viewhiddensections', $context);

if (!isset($sections[$displaysection])) {
            // This section doesn't exist.
            throw new moodle_exception('unknowncoursesection', 'error', course_get_url($course),
                format_string($course->fullname));
        }

// Copy activity clipboard..
        echo $this->course_activity_clipboard($course, $displaysection);

$formatdata = new stdClass();
        $formatdata->mods = $mods;
        $formatdata->modinfo = $modinfo;
        $this->_course = $course;
        $this->_format_data = $formatdata;

// General section if non-empty and course_display is multiple.
        if ($course->realcoursedisplay == COURSE_DISPLAY_MULTIPAGE) {
            $thissection = $sections[0];
            if ((($thissection->visible && $thissection->available) || $canviewhidden) &&
                    ($thissection->summary || $thissection->sequence || $this->page->user_is_editing() ||
                    (string)$thissection->name !== '')) {
                echo $this->start_section_list();
                echo $this->section_header($thissection, $course, true);

if ($this->_course->templatetopic == format_onetopic::TEMPLATETOPIC_NOT) {
                    echo $this->courserenderer->course_section_cm_list($course, $thissection, $displaysection);
                } else if ($this->_course->templatetopic == format_onetopic::TEMPLATETOPIC_LIST) {
                    echo $this->custom_course_section_cm_list($course, $thissection, $displaysection);
                }

echo $this->courserenderer->course_section_add_cm_control($course, 0, $displaysection);

echo $this->section_footer();
                echo $this->end_section_list();
            }
        }

// Start single-section div.
        $cssclass = 'single-section onetopic';
        $cssclass .= $this->_course->tabsview == format_onetopic::TABSVIEW_VERTICAL ? ' verticaltabs' : '';
        echo html_writer::start_tag('div', array('class' => $cssclass));

// Move controls.
        $canmove = false;
        if ($this->page->user_is_editing() && has_capability('moodle/course:movesections', $context) && $displaysection > 0) {
            $canmove = true;
        }
        $movelisthtml = '';

// Init custom tabs.
        $section = 0;

$tabs = new \format_onetopic\tabs();
        $subtabs = new \format_onetopic\tabs();
        $selectedparent = null;
        $parenttab = null;
        $firstsection = ($course->realcoursedisplay == COURSE_DISPLAY_MULTIPAGE) ? 1 : 0;

while ($section <= $this->numsections) {
            $inactivetab = false;

if ($course->realcoursedisplay == COURSE_DISPLAY_MULTIPAGE && $section == 0) {
                $section++;
                continue;
            }

$thissection = $sections[$section];

$showsection = true;
            if (!$thissection->visible || !$thissection->available) {
                $showsection = $canviewhidden || !($course->hiddensections == 1);
            }

if ($showsection) {

$formatoptions = course_get_format($course)->get_format_options($thissection);

$sectionname = get_section_name($course, $thissection);

$customstyles = '';
                $level = 0;
                if (is_array($formatoptions)) {

if (!empty($formatoptions['fontcolor'])) {
                        $customstyles .= 'color: ' . $formatoptions['fontcolor'] . ';';
                    }

if (!empty($formatoptions['bgcolor'])) {
                        $customstyles .= 'background-color: ' . $formatoptions['bgcolor'] . ';';
                    }

if (!empty($formatoptions['cssstyles'])) {
                        $customstyles .= $formatoptions['cssstyles'] . ';';
                    }

if (isset($formatoptions['level'])) {
                        $level = $formatoptions['level'];
                    }
                }

if ($section == 0) {
                    $url = new moodle_url('/course/view.php', array('id' => $course->id, 'section' => 0));
                } else {
                    $url = course_get_url($course, $section);
                }

$specialclass = 'tab_position_' . $section . ' tab_level_' . $level;
                if ($course->marker == $section) {
                    $specialclass .= ' marker ';
                }

if (!$thissection->visible || !$thissection->available) {
                    $specialclass .= ' dimmed disabled ';

if (!$canviewhidden) {
                        $inactivetab = true;
                    }
                }

// Check if display available message is required.
                $availablemessage = '';
                if ($course->hiddensections == 2) {
                    $availabilitytext = $this->section_availability_message($thissection,
                        has_capability('moodle/course:viewhiddensections', $context));

if (!empty($availabilitytext)) {
                        $uniqueid = 'format_onetopic_winfo_' . time() . '-' . rand(0, 1000);
                        $availablemessage = '<span class="iconhelp" data-infoid="' . $uniqueid . '">' .
                                            $this->output->pix_icon('e/help', get_string('info')) .
                                        '</span>';

$availablemessage .= '<div id="' . $uniqueid . '" class="availability_info_box" style="display: none;">' .
                            $availabilitytext . '</div>';

$this->showyuidialogue = true;
                    }
                }

$newtab = new singletab($section, $sectionname, $url, $sectionname,
                                        $availablemessage, $customstyles, $specialclass);
                $newtab->active = !$inactivetab;

if ($displaysection == $section) {
                    $newtab->selected = true;
                }

if (is_array($formatoptions) && isset($formatoptions['level'])) {

if ($formatoptions['level'] == 0 || $parenttab == null) {
                        $tabs->add($newtab);
                        $parenttab = $newtab;
                    } else {

if (!$parenttab->has_childs()) {
                            $specialclasstmp = str_replace('tab_level_0', 'tab_level_1', $parenttab->specialclass);
                            $indextab = new singletab($parenttab->section,
                                                    $parenttab->content,
                                                    $parenttab->url,
                                                    $parenttab->title,
                                                    $parenttab->availablemessage,
                                                    $parenttab->customstyles,
                                                    $specialclasstmp);

$prevsectionindex = $section - 1;
                            do {
                                $parentsection = $sections[$prevsectionindex];
                                $parentformatoptions = course_get_format($course)->get_format_options($parentsection);
                                $prevsectionindex--;
                            } while ($parentformatoptions['level'] == 1 && $prevsectionindex >= $firstsection);

if ($parentformatoptions['firsttabtext']) {
                                $indextab->content = $parentformatoptions['firsttabtext'];
                            } else {
                                $indextab->content = get_string('index', 'format_onetopic');
                            }
                            $indextab->title = $indextab->content;
                            $indextab->specialclass .= ' tab_initial ';

if ($displaysection == $parentsection->section) {
                                $indextab->selected = true;
                                $parenttab->selected = true;
                                $selectedparent = $parenttab;
                            }

$parenttab->add_child($indextab);
                        }

// Load subtabs.
                        $parenttab->add_child($newtab);

if ($displaysection == $section) {
                            $selectedparent = $parenttab;
                            $parenttab->selected = true;
                        }
                    }
                } else {
                    $tabs->add($newtab);
                    $parenttab = $newtab;
                }

// Init move section list.
                if ($canmove) {
                    if ($section > 0) { // Move section.
                        $baseurl = course_get_url($course, $displaysection);
                        $baseurl->param('sesskey', sesskey());

$url = clone($baseurl);

$url->param('move', $section - $displaysection);

// Define class from sublevels in order to move a margen in the left.
                        // Not apply if it is the first element (condition !empty($movelisthtml))
                        // because the first element can't be a sublevel.
                        $liclass = '';
                        if (is_array($formatoptions) && isset($formatoptions['level']) && $formatoptions['level'] > 0 &&
                                !empty($movelisthtml)) {
                            $liclass = 'sublevel';
                        }

if ($displaysection != $section) {
                            $movelisthtml .= html_writer::tag('li', html_writer::link($url, $sectionname),
                                            array('class' => $liclass));
                        } else {
                            $movelisthtml .= html_writer::tag('li', $sectionname, array('class' => $liclass));
                        }
                    } else {
                        $movelisthtml .= html_writer::tag('li', $sectionname);
                    }
                }
                // End move section list.
            }

$section++;
        }

// Define if subtabs are displayed (a subtab is selected or the selected tab has subtabs).
        $selectedsubtabs = $selectedparent ? $tabs->get_tab($selectedparent->index) : null;
        $showsubtabs = $selectedsubtabs && $selectedsubtabs->has_childs();

// Title with section navigation links.
        $sectionnavlinks = $this->get_nav_links($course, $sections, $displaysection);

if ($this->page->user_is_editing() && has_capability('moodle/course:update', $context)) {

$maxsections = $courseformat->get_max_sections();

// Only can add sections if it does not exceed the maximum amount.
            if (count($sections) < $maxsections) {

$straddsection = get_string('increasesections', 'format_onetopic');
                $icon = $this->output->pix_icon('t/switch_plus', $straddsection);
                $insertposition = $displaysection + 1;

$paramstotabs = array('courseid' => $course->id,
                                    'increase' => true,
                                    'sesskey' => sesskey(),
                                    'insertsection' => $insertposition);

if ($showsubtabs) {
                    // Increase number of sections in child tabs.
                    $paramstotabs['aschild'] = 1;
                    $url = new moodle_url('/course/format/onetopic/changenumsections.php', $paramstotabs);
                    $newtab = new singletab('add', $icon, $url, s($straddsection));
                    $selectedsubtabs->add_child($newtab);

// The new tab is inserted after the last child because it is a parent tab.
                    // -2 = add subtab button and index subtab.
                    // +1 = because the selectedparent section start in 0.
                    $insertposition = $selectedparent->section + $selectedsubtabs->count_childs() - 2 + 1;
                }

$paramstotabs['aschild'] = 0;
                $paramstotabs['insertsection'] = $insertposition;
                $url = new moodle_url('/course/format/onetopic/changenumsections.php', $paramstotabs);
                $newtab = new singletab('add', $icon, $url, s($straddsection));
                $tabs->add($newtab);

}
        }

if ($course->realcoursedisplay == COURSE_DISPLAY_MULTIPAGE) {
            echo html_writer::tag('a', '', array('name' => 'tabs-tree-start'));
        }

$hiddenmsg = course_get_format($course)->get_hidden_message();
        if (!empty($hiddenmsg)) {
            echo $this->output->notification($hiddenmsg);
        }

if ($this->page->user_is_editing() || (!$course->hidetabsbar && $tabs->has_tabs())) {
            $this->print_tabs_structure($tabs);
        }

// Start content div.
        echo html_writer::start_tag('div', array('class' => 'content-section'));

if ($sections[$displaysection]->uservisible || $canviewhidden) {

if ($course->realcoursedisplay != COURSE_DISPLAY_MULTIPAGE || $displaysection !== 0) {

if ($showsubtabs) {
                    echo html_writer::start_tag('div', array('class' => 'onetopic-subtabs_body'));
                    echo $this->print_tabs_structure($selectedsubtabs->get_childs(), true);
                }

// Now the list of sections.
                echo $this->start_section_list();

// The requested section page.
                $thissection = $sections[$displaysection];
                echo $this->section_header($thissection, $course, true);
                // Show completion help icon.
                $completioninfo = new completion_info($course);
                echo $completioninfo->display_help_icon();

if ($this->_course->templatetopic == format_onetopic::TEMPLATETOPIC_NOT) {
                    echo $this->courserenderer->course_section_cm_list($course, $thissection, $displaysection);
                } else if ($this->page->user_is_editing() || $this->_course->templatetopic == format_onetopic::TEMPLATETOPIC_LIST) {
                    echo $this->custom_course_section_cm_list($course, $thissection, $displaysection);
                }

echo $this->courserenderer->course_section_add_cm_control($course, $displaysection, $displaysection);
                echo $this->section_footer();
                echo $this->end_section_list();

if ($showsubtabs) {
                    echo html_writer::end_tag('div');
                }
            }
        }

// Display section bottom navigation.
        $sectionbottomnav = '';
        $sectionbottomnav .= html_writer::start_tag('div', array('class' => 'section-navigation mdl-bottom'));
        $sectionbottomnav .= html_writer::tag('span', $sectionnavlinks['previous'], array('class' => 'mdl-left'));
        $sectionbottomnav .= html_writer::tag('span', $sectionnavlinks['next'], array('class' => 'mdl-right'));
        $sectionbottomnav .= html_writer::end_tag('div');
        echo $sectionbottomnav;

// Close content-section div.
        echo html_writer::end_tag('div');

// Close single-section div.
        echo html_writer::end_tag('div');

if ($this->page->user_is_editing() && has_capability('moodle/course:update', $context)) {

echo '<br class="utilities-separator" />';
            print_collapsible_region_start('move-list-box clearfix collapsible mform', 'course_format_onetopic_config_movesection',
                get_string('utilities', 'format_onetopic'), '', true);

// Move controls.
            if ($canmove && !empty($movelisthtml)) {
                echo html_writer::start_div("form-item clearfix");
                    echo html_writer::start_div("form-label");
                        echo html_writer::tag('label', get_string('movesectionto', 'format_onetopic'));
                    echo html_writer::end_div();
                    echo html_writer::start_div("form-setting");
                        echo html_writer::tag('ul', $movelisthtml, array('class' => 'move-list'));
                    echo html_writer::end_div();
                    echo html_writer::start_div("form-description");
                        echo html_writer::tag('p', get_string('movesectionto_help', 'format_onetopic'));
                    echo html_writer::end_div();
                echo html_writer::end_div();
            }

$baseurl = course_get_url($course, $displaysection);
            $baseurl->param('sesskey', sesskey());

$url = clone($baseurl);

global $USER;
            if (isset($USER->onetopic_da[$course->id]) && $USER->onetopic_da[$course->id]) {
                $url->param('onetopic_da', 0);
                $textbuttondisableajax = get_string('enable', 'format_onetopic');
            } else {
                $url->param('onetopic_da', 1);
                $textbuttondisableajax = get_string('disable', 'format_onetopic');
            }

echo html_writer::start_div("form-item clearfix");
                echo html_writer::start_div("form-label");
                    echo html_writer::tag('label', get_string('disableajax', 'format_onetopic'));
                echo html_writer::end_div();
                echo html_writer::start_div("form-setting");
                    echo html_writer::link($url, $textbuttondisableajax);
                echo html_writer::end_div();
                echo html_writer::start_div("form-description");
                    echo html_writer::tag('p', get_string('disableajax_help', 'format_onetopic'));
                echo html_writer::end_div();
            echo html_writer::end_div();

// Duplicate current section option.
            if (has_capability('moodle/course:manageactivities', $context)) {
                $urlduplicate = new moodle_url('/course/format/onetopic/duplicate.php',
                                array('courseid' => $course->id, 'section' => $displaysection, 'sesskey' => sesskey()));

$link = new action_link($urlduplicate, get_string('duplicate', 'format_onetopic'));
                $link->add_action(new confirm_action(get_string('duplicate_confirm', 'format_onetopic'), null,
                    get_string('duplicate', 'format_onetopic')));

echo html_writer::start_div("form-item clearfix");
                    echo html_writer::start_div("form-label");
                        echo html_writer::tag('label', get_string('duplicatesection', 'format_onetopic'));
                    echo html_writer::end_div();
                    echo html_writer::start_div("form-setting");
                        echo $this->render($link);
                    echo html_writer::end_div();
                    echo html_writer::start_div("form-description");
                        echo html_writer::tag('p', get_string('duplicatesection_help', 'format_onetopic'));
                    echo html_writer::end_div();
                echo html_writer::end_div();
            }

echo html_writer::start_div("form-item clearfix form-group row fitem");
                echo $this->change_number_sections($course, 0);
            echo html_writer::end_div();

print_collapsible_region_end();
        }
    }

/**
     * Generate the display of the header part of a section before
     * course modules are included
     *
     * @param stdClass $section The course_section entry from DB
     * @param stdClass $course The course entry from DB
     * @param bool $onsectionpage true if being printed on a single-section page
     * @param int $sectionreturn The section to return to after an action
     * @return string HTML to output.
     */
    protected function section_header($section, $course, $onsectionpage, $sectionreturn=null) {

$o = '';
        $currenttext = '';
        $sectionstyle = '';

if ($section->section != 0) {
            // Only in the non-general sections.
            if (!$section->visible) {
                $sectionstyle = ' hidden';
            }
            if (course_get_format($course)->is_section_current($section)) {
                $sectionstyle = ' current';
            }
        }

$o .= html_writer::start_tag('li', [
            'id' => 'section-'.$section->section,
            'class' => 'section main clearfix'.$sectionstyle,
            'role' => 'region',
            'aria-labelledby' => "sectionid-{$section->id}-title",
            'data-sectionid' => $section->section,
            'data-sectionreturnid' => $sectionreturn
        ]);

$leftcontent = $this->section_left_content($section, $course, $onsectionpage);
        $o .= html_writer::tag('div', $leftcontent, array('class' => 'left side'));

$rightcontent = $this->section_right_content($section, $course, $onsectionpage);
        $o .= html_writer::tag('div', $rightcontent, array('class' => 'right side'));
        $o .= html_writer::start_tag('div', array('class' => 'content'));

if ($section->section != 0 || $course->realcoursedisplay != COURSE_DISPLAY_MULTIPAGE || (string)$section->name == '') {
            $classes = ' accesshide';
            $sectionname = html_writer::tag('span', $this->section_title($section, $course));
        } else {
            $classes = '';
            $sectionname = html_writer::tag('span', get_section_name($course, $section));
        }

$o .= $this->output->heading($sectionname, 3, 'sectionname' . $classes, "sectionid-{$section->id}-title");

$o .= $this->section_availability($section);

$o .= html_writer::start_tag('div', array('class' => 'summary'));
        if ($section->uservisible || $section->visible) {
            // Show summary if section is available or has availability restriction information.
            // Do not show summary if section is hidden but we still display it because of course setting
            // "Hidden sections are shown in collapsed form".
            $o .= $this->format_summary_text($section);
        }
        $o .= html_writer::end_tag('div');

return $o;
    }

/**
     * Generate the edit control items of a section
     *
     * @param stdClass $course The course entry from DB
     * @param stdClass $section The course_section entry from DB
     * @param bool $onsectionpage true if being printed on a section page
     * @return array of edit control items
     */
    protected function section_edit_control_items($course, $section, $onsectionpage = false) {

if (!$this->page->user_is_editing()) {
            return array();
        }

$coursecontext = context_course::instance($course->id);

if ($onsectionpage) {
            $url = course_get_url($course, $section->section);
        } else {
            $url = course_get_url($course);
        }
        $url->param('sesskey', sesskey());

$isstealth = $section->section > $this->numsections;
        $controls = array();
        if (!$isstealth && $section->section && has_capability('moodle/course:setcurrentsection', $coursecontext)) {
            if ($course->marker == $section->section) {  // Show the "light globe" on/off.
                $url->param('marker', 0);
                $markedthistopic = get_string('markedthistopic');
                $highlightoff = get_string('highlightoff');
                $controls['highlight'] = array('url' => $url, "icon" => 'i/marked',
                                               'name' => $highlightoff,
                                               'pixattr' => array('class' => '', 'alt' => $markedthistopic),
                                               'attr' => array('class' => 'editing_highlight', 'title' => $markedthistopic,
                                                   'data-action' => 'removemarker'));
            } else {
                $url->param('marker', $section->section);
                $markthistopic = get_string('markthistopic');
                $highlight = get_string('highlight');
                $controls['highlight'] = array('url' => $url, "icon" => 'i/marker',
                                               'name' => $highlight,
                                               'pixattr' => array('class' => '', 'alt' => $markthistopic),
                                               'attr' => array('class' => 'editing_highlight', 'title' => $markthistopic,
                                                   'data-action' => 'setmarker'));
            }
        }

$parentcontrols = parent::section_edit_control_items($course, $section, $onsectionpage);

// If the delete key exists, we are going to insert our controls after it.
        if (array_key_exists("delete", $parentcontrols)) {
            $url = new moodle_url('/course/editsection.php', array(
                    'id' => $section->id,
                    'sr' => $section->section - 1,
                    'delete' => 1,
                    'sesskey' => sesskey()));
            $parentcontrols['delete']['url'] = $url;
        }

// If the edit key exists, we are going to insert our controls after it.
        if (array_key_exists("edit", $parentcontrols)) {
            $merged = array();
            // We can't use splice because we are using associative arrays.
            // Step through the array and merge the arrays.
            foreach ($parentcontrols as $key => $action) {
                $merged[$key] = $action;
                if ($key == "edit") {
                    // If we have come to the edit key, merge these controls here.
                    $merged = array_merge($merged, $controls);
                }
            }

return $merged;
        } else {
            return array_merge($controls, $parentcontrols);
        }
    }

/**
     * Generate html for a section summary text
     *
     * @param stdClass $section The course_section entry from DB
     * @return string HTML to output.
     */
    protected function format_summary_text($section) {

if ($this->_course->templatetopic != format_onetopic::TEMPLATETOPIC_NOT) {
            $section->summary = $this->replace_resources($section);
        }

return parent::format_summary_text($section);
    }

/**
     * Process the template.
     *
     * @param stdClass $section The course_section entry from DB
     * @return string HTML to output.
     */
    private function replace_resources ($section) {

global $CFG, $USER;

static $initialised;

static $groupbuttons;
        static $groupbuttonslink;
        static $strunreadpostsone;
        static $usetracking;
        static $groupings;

$course = $this->_course;
        $completioninfo = new completion_info($course);

if (!isset($initialised)) {
            $groupbuttons     = ($course->groupmode || (!$course->groupmodeforce));
            $groupbuttonslink = (!$course->groupmodeforce);
            include_once($CFG->dirroot.'/mod/forum/lib.php');
            if ($usetracking = forum_tp_can_track_forums()) {
                $strunreadpostsone = get_string('unreadpostsone', 'forum');
            }
            $initialised = true;
        }

$labelformatoptions = new stdclass();
        $labelformatoptions->noclean = true;

// Casting $course->modinfo to string prevents one notice when the field is null.
        $modinfo = $this->_format_data->modinfo;

$summary = $section->summary;

$htmlresource = '';
        $htmlmore     = '';

if (!empty($section->sequence)) {
            $sectionmods = explode(",", $section->sequence);

$objreplace = new format_onetopic_replace_regularexpression();

$completioninfo = new completion_info($course);

foreach ($sectionmods as $modnumber) {

if (empty($this->_format_data->mods[$modnumber])) {
                    continue;
                }

$mod = $this->_format_data->mods[$modnumber];

if ($mod->modname == "label") {
                    continue;
                }

$instancename = format_string($modinfo->cms[$modnumber]->name, true, $course->id);

// Display the link to the module (or do nothing if module has no url).
                $cmname = $this->courserenderer->course_section_cm_name($mod);

if (!empty($cmname)) {
                    $cmname = str_replace('<div ', '<span ', $cmname);
                    $cmname = str_replace('</div>', '</span>', $cmname);
                    $htmlresource = $cmname . $mod->afterlink;
                } else {
                    $htmlresource = '';
                }

// If there is content but NO link (eg label), then display the
                // content here (BEFORE any icons). In this case cons must be
                // displayed after the content so that it makes more sense visually
                // and for accessibility reasons, e.g. if you have a one-line label
                // it should work similarly (at least in terms of ordering) to an
                // activity.
                $contentpart = $this->courserenderer->course_section_cm_text($mod);

$url = $mod->url;
                if (!empty($url)) {
                    // If there is content AND a link, then display the content here
                    // (AFTER any icons). Otherwise it was displayed before.
                    $contentpart = str_replace('<div ', '<span ', $contentpart);
                    $contentpart = str_replace('</div>', '</span>', $contentpart);
                    $htmlresource .= $contentpart;
                }

if ($completioninfo->is_enabled($mod) !== COMPLETION_TRACKING_NONE) {
                    $completion = $this->courserenderer->course_section_cm_completion($course, $completioninfo, $mod);

if (strpos($completion, 'completion-manual-y') !== false ||
                            strpos($completion, 'completion-auto-y') !== false ||
                            strpos($completion, 'completion-auto-pass') !== false) {

$completed = 'complete';
                    } else {
                        $completed = 'incomplete';
                    }

$htmlresource = '<completion class="completiontag ' . $completed . '">' .
                                        $completion . $htmlresource .
                                    '</completion>';
                }

$availabilitytext = trim($this->courserenderer->course_section_cm_availability($mod));

if (!empty($availabilitytext)) {
                    $uniqueid = 'format_onetopic_winfo_' . time() . '-' . rand(0, 1000);
                    $htmlresource .= '<span class="iconhelp" data-infoid="' . $uniqueid . '">' .
                                        $this->output->pix_icon('e/help', get_string('help')) .
                                     '</span>';

$htmlmore .= '<div id="' . $uniqueid . '" class="availability_info_box" style="display: none;">' .
                        $availabilitytext . '</div>';

$this->showyuidialogue = true;
                }

// Replace the link in pattern: [[resource name]].
                $objreplace->_string_replace = $htmlresource;
                $objreplace->_string_search = $instancename;

$newsummary = preg_replace_callback("/(\[\[)(([<][^>]*>)*)((" . preg_quote($objreplace->_string_search, '/') .
                    ")(:?))([^\]]*)\]\]/i", array($objreplace, "replace_tag_in_expresion"), $summary);

if ($newsummary != $summary) {
                    unset($this->_format_data->mods[$modnumber]);
                }

$summary = $newsummary;
            }

}

if ($this->_course->templatetopic_icons == 0) {
            $summary = '<span class="onetopic_hideicons">' . $summary . '</span>';
        }

return $summary . $htmlmore;

}

/**
     * Renders HTML to display a list of course modules in a course section
     * Also displays "move here" controls in Javascript-disabled mode
     *
     * This function calls {@see core_course_renderer::course_section_cm()}
     *
     * @param stdClass $course course object
     * @param int|stdClass|section_info $section relative section number or section object
     * @param int $sectionreturn section number to return to
     * @param array $displayoptions
     * @return void
     */
    public function custom_course_section_cm_list($course, $section, $sectionreturn = null, $displayoptions = array()) {
        global $USER;

$output = '';
        $modinfo = $this->_format_data->modinfo;

if (is_object($section)) {
            $section = $modinfo->get_section_info($section->section);
        } else {
            $section = $modinfo->get_section_info($section);
        }
        $completioninfo = new completion_info($course);

// Check if we are currently in the process of moving a module with JavaScript disabled.
        $ismoving = $this->page->user_is_editing() && ismoving($course->id);
        if ($ismoving) {
            $movingpix = new pix_icon('movehere', get_string('movehere'), 'moodle', array('class' => 'movetarget'));
            $strmovefull = strip_tags(get_string("movefull", "", "'$USER->activitycopyname'"));
        }

// Get the list of modules visible to user (excluding the module being moved if there is one).
        $moduleshtml = array();
        if (!empty($modinfo->sections[$section->section])) {
            foreach ($modinfo->sections[$section->section] as $modnumber) {

// Custom modification in order to hide resources if they are shown in summary.
                if (!$this->courserenderer->page->user_is_editing() && !isset($this->_format_data->mods[$modnumber])) {
                    continue;
                }
                // End of custom modification.

$mod = $modinfo->cms[$modnumber];

if ($ismoving and $mod->id == $USER->activitycopy) {
                    // Do not display moving mod.
                    continue;
                }

if ($modulehtml = $this->courserenderer->course_section_cm_list_item($course,
                        $completioninfo, $mod, $sectionreturn, $displayoptions)) {
                    $moduleshtml[$modnumber] = $modulehtml;
                }
            }
        }

$sectionoutput = '';
        if (!empty($moduleshtml) || $ismoving) {
            foreach ($moduleshtml as $modnumber => $modulehtml) {
                if ($ismoving) {
                    $movingurl = new moodle_url('/course/mod.php', array('moveto' => $modnumber, 'sesskey' => sesskey()));
                    $sectionoutput .= html_writer::tag('li',
                            html_writer::link($movingurl, $this->courserenderer->output->render($movingpix),
                            array('title' => $strmovefull)), array('class' => 'movehere'));
                }

$sectionoutput .= $modulehtml;
            }

if ($ismoving) {
                $movingurl = new moodle_url('/course/mod.php', array('movetosection' => $section->id, 'sesskey' => sesskey()));
                $sectionoutput .= html_writer::tag('li',
                        html_writer::link($movingurl, $this->courserenderer->output->render($movingpix),
                        array('title' => $strmovefull)), array('class' => 'movehere'));
            }
        }

// Always output the section module list.
        $output .= html_writer::tag('ul', $sectionoutput, array('class' => 'section img-text'));

return $output;
    }

/**
     * Print the conditioned HTML according the format onetopic type configuration.
     *
     * @param \format_onetopic\tabs $tabs Object with tabs list.
     * @param boolean $assubtabs True: if current tabs are a second level tabs.
     */
    private function print_tabs_structure(\format_onetopic\tabs $tabs, $assubtabs = false) {

$list = $tabs->get_list();
        $tabstree = array();

$selected = null;
        $inactivetabs = array();
        foreach ($list as $tab) {

if ($assubtabs) {
                $tab->specialclass .= ' subtopic ';
            }

$newtab = new tabobject("tab_topic_" . $tab->index, $tab->url . '#tabs-tree-start',
            '<innertab style="' . $tab->customstyles . '" class="tab_content ' . $tab->specialclass . '">' .
            '<span class="sectionname">' . $tab->content . "</span>" . $tab->availablemessage . "</innertab>", $tab->title);

$tabstree[] = $newtab;

if ($tab->selected) {
                $selected = "tab_topic_" . $tab->index;
            }

if (!$tab->active) {
                $inactivetabs[] = "tab_topic_" . $tab->index;
            }
        }

if ($this->_course->tabsview == format_onetopic::TABSVIEW_ONELINE) {
            echo html_writer::start_tag('div', array('class' => 'tabs-wrapper'));
            echo $this->output->tabtree($tabstree, $selected, $inactivetabs);
            echo html_writer::end_tag('div');

} else {
            echo $this->output->tabtree($tabstree, $selected, $inactivetabs);
        }
    }
}

${this.title}

Code Editor : renderer.php