forked from moodle/moodle
/
renderer.php
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/
renderer.php
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<?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/>.
/**
* Renderer for use with the course section and all the goodness that falls
* within it.
*
* This renderer should contain methods useful to courses, and categories.
*
* @package moodlecore
* @copyright 2010 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* The core course renderer
*
* Can be retrieved with the following:
* $renderer = $PAGE->get_renderer('core','course');
*/
class core_course_renderer extends plugin_renderer_base {
const COURSECAT_SHOW_COURSES_NONE = 0; /* do not show courses at all */
const COURSECAT_SHOW_COURSES_COUNT = 5; /* do not show courses but show number of courses next to category name */
const COURSECAT_SHOW_COURSES_COLLAPSED = 10;
const COURSECAT_SHOW_COURSES_AUTO = 15; /* will choose between collapsed and expanded automatically */
const COURSECAT_SHOW_COURSES_EXPANDED = 20;
const COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT = 30;
const COURSECAT_TYPE_CATEGORY = 0;
const COURSECAT_TYPE_COURSE = 1;
/**
* A cache of strings
* @var stdClass
*/
protected $strings;
/**
* Whether a category content is being initially rendered with children. This is mainly used by the
* core_course_renderer::corsecat_tree() to render the appropriate action for the Expand/Collapse all link on
* page load.
* @var bool
*/
protected $categoryexpandedonload = false;
/**
* Override the constructor so that we can initialise the string cache
*
* @param moodle_page $page
* @param string $target
*/
public function __construct(moodle_page $page, $target) {
$this->strings = new stdClass;
$courseid = $page->course->id;
parent::__construct($page, $target);
}
/**
* @deprecated since 3.2
*/
protected function add_modchoosertoggle() {
throw new coding_exception('core_course_renderer::add_modchoosertoggle() can not be used anymore.');
}
/**
* Renders course info box.
*
* @param stdClass $course
* @return string
*/
public function course_info_box(stdClass $course) {
$content = '';
$content .= $this->output->box_start('generalbox info');
$chelper = new coursecat_helper();
$chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED);
$content .= $this->coursecat_coursebox($chelper, $course);
$content .= $this->output->box_end();
return $content;
}
/**
* Renderers a structured array of courses and categories into a nice XHTML tree structure.
*
* @deprecated since 2.5
*
* @param array $ignored argument ignored
* @return string
*/
public final function course_category_tree(array $ignored) {
debugging('Function core_course_renderer::course_category_tree() is deprecated, please use frontpage_combo_list()', DEBUG_DEVELOPER);
return $this->frontpage_combo_list();
}
/**
* Renderers a category for use with course_category_tree
*
* @deprecated since 2.5
*
* @param array $category
* @param int $depth
* @return string
*/
protected final function course_category_tree_category(stdClass $category, $depth=1) {
debugging('Function core_course_renderer::course_category_tree_category() is deprecated', DEBUG_DEVELOPER);
return '';
}
/**
* Render a modchooser.
*
* @param renderable $modchooser The chooser.
* @return string
*/
public function render_modchooser(renderable $modchooser) {
return $this->render_from_template('core_course/modchooser', $modchooser->export_for_template($this));
}
/**
* @deprecated since 3.9
*/
public function course_modchooser() {
throw new coding_exception('course_modchooser() can not be used anymore, please use course_activitychooser() instead.');
}
/**
* Build the HTML for the module chooser javascript popup.
*
* @param int $courseid The course id to fetch modules for.
* @return string
*/
public function course_activitychooser($courseid) {
if (!$this->page->requires->should_create_one_time_item_now('core_course_modchooser')) {
return '';
}
// Build an object of config settings that we can then hook into in the Activity Chooser.
$chooserconfig = (object) [
'tabmode' => get_config('core', 'activitychoosertabmode'),
];
$this->page->requires->js_call_amd('core_course/activitychooser', 'init', [$courseid, $chooserconfig]);
return '';
}
/**
* Build the HTML for a specified set of modules
*
* @param array $modules A set of modules as used by the
* course_modchooser_module function
* @return string The composed HTML for the module
*/
protected function course_modchooser_module_types($modules) {
debugging('Method core_course_renderer::course_modchooser_module_types() is deprecated, ' .
'see core_course_renderer::render_modchooser().', DEBUG_DEVELOPER);
return '';
}
/**
* Return the HTML for the specified module adding any required classes
*
* @param object $module An object containing the title, and link. An
* icon, and help text may optionally be specified. If the module
* contains subtypes in the types option, then these will also be
* displayed.
* @param array $classes Additional classes to add to the encompassing
* div element
* @return string The composed HTML for the module
*/
protected function course_modchooser_module($module, $classes = array('option')) {
debugging('Method core_course_renderer::course_modchooser_module() is deprecated, ' .
'see core_course_renderer::render_modchooser().', DEBUG_DEVELOPER);
return '';
}
protected function course_modchooser_title($title, $identifier = null) {
debugging('Method core_course_renderer::course_modchooser_title() is deprecated, ' .
'see core_course_renderer::render_modchooser().', DEBUG_DEVELOPER);
return '';
}
/**
* Renders HTML for displaying the sequence of course module editing buttons
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* @see course_get_cm_edit_actions()
*
* @param action_link[] $actions Array of action_link objects
* @param cm_info $mod The module we are displaying actions for.
* @param array $displayoptions additional display options:
* ownerselector => A JS/CSS selector that can be used to find an cm node.
* If specified the owning node will be given the class 'action-menu-shown' when the action
* menu is being displayed.
* donotenhance => If set to true the action menu that gets displayed won't be enhanced by JS.
* @return string
*/
public function course_section_cm_edit_actions($actions, cm_info $mod = null, $displayoptions = array()) {
global $CFG;
debugging(
'course_section_cm_edit_actions is deprecated. Use core_courseformat\\output\\local\\content\\cm\\controlmenu instead.',
DEBUG_DEVELOPER
);
if (empty($actions)) {
return '';
}
if (isset($displayoptions['ownerselector'])) {
$ownerselector = $displayoptions['ownerselector'];
} else if ($mod) {
$ownerselector = '#module-'.$mod->id;
} else {
debugging('You should upgrade your call to '.__FUNCTION__.' and provide $mod', DEBUG_DEVELOPER);
$ownerselector = 'li.activity';
}
$menu = new action_menu();
$menu->set_owner_selector($ownerselector);
$menu->set_menu_trigger(get_string('edit'));
foreach ($actions as $action) {
if ($action instanceof action_menu_link) {
$action->add_class('cm-edit-action');
}
$menu->add($action);
}
$menu->attributes['class'] .= ' section-cm-edit-actions commands';
// Prioritise the menu ahead of all other actions.
$menu->prioritise = true;
return $this->render($menu);
}
/**
* Renders HTML for the menus to add activities and resources to the current course
*
* Renders the ajax control (the link which when clicked produces the activity chooser modal). No noscript fallback.
*
* @param stdClass $course
* @param int $section relative section number (field course_sections.section)
* @param int $sectionreturn The section to link back to
* @param array $displayoptions additional display options, for example blocks add
* option 'inblock' => true, suggesting to display controls vertically
* @return string
*/
function course_section_add_cm_control($course, $section, $sectionreturn = null, $displayoptions = array()) {
// Check to see if user can add menus.
if (!has_capability('moodle/course:manageactivities', context_course::instance($course->id))
|| !$this->page->user_is_editing()) {
return '';
}
$data = [
'sectionid' => $section,
'sectionreturn' => $sectionreturn
];
$ajaxcontrol = $this->render_from_template('course/activitychooserbutton', $data);
// Load the JS for the modal.
$this->course_activitychooser($course->id);
return $ajaxcontrol;
}
/**
* Renders html to display a course search form
*
* @param string $value default value to populate the search field
* @return string
*/
public function course_search_form($value = '') {
$data = [
'action' => \core_search\manager::get_course_search_url(),
'btnclass' => 'btn-primary',
'inputname' => 'q',
'searchstring' => get_string('searchcourses'),
'hiddenfields' => (object) ['name' => 'areaids', 'value' => 'core_course-course'],
'query' => $value
];
return $this->render_from_template('core/search_input', $data);
}
/**
* @deprecated since Moodle 3.11
*/
public function course_section_cm_completion() {
throw new coding_exception(__FUNCTION__ . ' is deprecated. Use the activity_completion output component instead.');
}
/**
* Checks if course module has any conditions that may make it unavailable for
* all or some of the students
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* @param cm_info $mod
* @return bool
*/
public function is_cm_conditionally_hidden(cm_info $mod) {
global $CFG;
debugging(
'is_cm_conditionally_hidden is deprecated. Use \core_availability\info_module::is_available_for_all instead',
DEBUG_DEVELOPER
);
$conditionalhidden = false;
if (!empty($CFG->enableavailability)) {
$info = new \core_availability\info_module($mod);
$conditionalhidden = !$info->is_available_for_all();
}
return $conditionalhidden;
}
/**
* Renders html to display a name with the link to the course module on a course page
*
* If module is unavailable for user but still needs to be displayed
* in the list, just the name is returned without a link
*
* Note, that for course modules that never have separate pages (i.e. labels)
* this function return an empty string
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_name(cm_info $mod, $displayoptions = array()) {
debugging(
'course_section_cm_name is deprecated. Use core_courseformat\\output\\local\\content\\cm\\cmname class instead.',
DEBUG_DEVELOPER
);
if (!$mod->is_visible_on_course_page() || !$mod->url) {
// Nothing to be displayed to the user.
return '';
}
list($linkclasses, $textclasses) = $this->course_section_cm_classes($mod);
$groupinglabel = $mod->get_grouping_label($textclasses);
// Render element that allows to edit activity name inline.
$format = course_get_format($mod->course);
$cmnameclass = $format->get_output_classname('content\\cm\\cmname');
// Mod inplace name editable.
$cmname = new $cmnameclass(
$format,
$mod->get_section_info(),
$mod,
null,
$displayoptions
);
$renderer = $format->get_renderer($this->page);
return $renderer->render($cmname) . $groupinglabel;
}
/**
* Returns the CSS classes for the activity name/content
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* For items which are hidden, unavailable or stealth but should be displayed
* to current user ($mod->is_visible_on_course_page()), we show those as dimmed.
* Students will also see as dimmed activities names that are not yet available
* but should still be displayed (without link) with availability info.
*
* @param cm_info $mod
* @return array array of two elements ($linkclasses, $textclasses)
*/
protected function course_section_cm_classes(cm_info $mod) {
debugging(
'course_section_cm_classes is deprecated. Now it is part of core_courseformat\\output\\local\\content\\cm ',
DEBUG_DEVELOPER
);
$format = course_get_format($mod->course);
$cmclass = $format->get_output_classname('content\\cm');
$cmoutput = new $cmclass(
$format,
$mod->get_section_info(),
$mod,
);
return [
$cmoutput->get_link_classes(),
$cmoutput->get_text_classes(),
];
}
/**
* Renders html to display a name with the link to the course module on a course page
*
* If module is unavailable for user but still needs to be displayed
* in the list, just the name is returned without a link
*
* Note, that for course modules that never have separate pages (i.e. labels)
* this function return an empty string
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_name_title(cm_info $mod, $displayoptions = array()) {
debugging(
'course_section_cm_name_title is deprecated. Use core_courseformat\\output\\local\\cm\\title class instead.',
DEBUG_DEVELOPER
);
$output = '';
$url = $mod->url;
if (!$mod->is_visible_on_course_page() || !$url) {
// Nothing to be displayed to the user.
return $output;
}
//Accessibility: for files get description via icon, this is very ugly hack!
$instancename = $mod->get_formatted_name();
$altname = $mod->modfullname;
// Avoid unnecessary duplication: if e.g. a forum name already
// includes the word forum (or Forum, etc) then it is unhelpful
// to include that in the accessible description that is added.
if (false !== strpos(core_text::strtolower($instancename),
core_text::strtolower($altname))) {
$altname = '';
}
// File type after name, for alphabetic lists (screen reader).
if ($altname) {
$altname = get_accesshide(' '.$altname);
}
list($linkclasses, $textclasses) = $this->course_section_cm_classes($mod);
// Get on-click attribute value if specified and decode the onclick - it
// has already been encoded for display (puke).
$onclick = htmlspecialchars_decode($mod->onclick, ENT_QUOTES);
// Display link itself.
$instancename = html_writer::tag('span', $instancename . $altname, ['class' => 'instancename ml-1']);
$imageicon = html_writer::empty_tag('img', ['src' => $mod->get_icon_url(),
'class' => 'activityicon', 'alt' => '', 'role' => 'presentation', 'aria-hidden' => 'true']);
$imageicon = html_writer::tag('span', $imageicon, ['class' => 'activityiconcontainer courseicon']);
$activitylink = $imageicon . $instancename;
if ($mod->uservisible) {
$output .= html_writer::link($url, $activitylink, array('class' => 'aalink' . $linkclasses, 'onclick' => $onclick));
} else {
// We may be displaying this just in order to show information
// about visibility, without the actual link ($mod->is_visible_on_course_page()).
$output .= html_writer::tag('div', $activitylink, array('class' => $textclasses));
}
return $output;
}
/**
* Renders html to display the module content on the course page (i.e. text of the labels)
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
*
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_text(cm_info $mod, $displayoptions = array()) {
debugging(
'course_section_cm_text is deprecated. Now it is part of core_courseformat\\output\\local\\content\\cm ',
DEBUG_DEVELOPER
);
$output = '';
if (!$mod->is_visible_on_course_page()) {
// nothing to be displayed to the user
return $output;
}
$content = $mod->get_formatted_content(array('overflowdiv' => true, 'noclean' => true));
list($linkclasses, $textclasses) = $this->course_section_cm_classes($mod);
if ($mod->url && $mod->uservisible) {
if ($content) {
// If specified, display extra content after link.
$output = html_writer::tag('div', $content, array('class' =>
trim('contentafterlink ' . $textclasses)));
}
} else {
$groupinglabel = $mod->get_grouping_label($textclasses);
// No link, so display only content.
$output = html_writer::tag('div', $content . $groupinglabel,
array('class' => 'contentwithoutlink ' . $textclasses));
}
return $output;
}
/**
* Displays availability info for a course section or course module
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
* @param string $text
* @param string $additionalclasses
* @return string
*/
public function availability_info($text, $additionalclasses = '') {
debugging(
'availability_info is deprecated. Use core_courseformat\\output\\local\\content\\section\\availability instead',
DEBUG_DEVELOPER
);
$data = ['text' => $text, 'classes' => $additionalclasses];
$additionalclasses = array_filter(explode(' ', $additionalclasses));
if (in_array('ishidden', $additionalclasses)) {
$data['ishidden'] = 1;
} else if (in_array('isstealth', $additionalclasses)) {
$data['isstealth'] = 1;
} else if (in_array('isrestricted', $additionalclasses)) {
$data['isrestricted'] = 1;
if (in_array('isfullinfo', $additionalclasses)) {
$data['isfullinfo'] = 1;
}
}
return $this->render_from_template('core/availability_info', $data);
}
/**
* Renders HTML to show course module availability information (for someone who isn't allowed
* to see the activity itself, or for staff)
*
* @deprecated since Moodle 4.0 MDL-72656 - please do not use this function any more.
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_availability(cm_info $mod, $displayoptions = array()) {
debugging(
'course_section_cm_availability is deprecated. Use core_courseformat\\output\\local\\content\\cm\\availability instead',
DEBUG_DEVELOPER
);
$format = course_get_format($mod->course);
$availabilityclass = $format->get_output_classname('content\\cm\\availability');
$availability = new $availabilityclass(
$format,
$mod->get_section_info(),
$mod,
);
$renderer = $format->get_renderer($this->page);
return $renderer->render($availability);
}
/**
* Renders HTML to display one course module for display within a section.
*
* @deprecated since 4.0 - use core_course output components or course_format::course_section_updated_cm_item instead.
*
* This function calls:
* {@link core_course_renderer::course_section_cm()}
*
* @param stdClass $course
* @param completion_info $completioninfo
* @param cm_info $mod
* @param int|null $sectionreturn
* @param array $displayoptions
* @return String
*/
public function course_section_cm_list_item($course, &$completioninfo, cm_info $mod, $sectionreturn, $displayoptions = []) {
debugging(
'course_section_cm_list_item is deprecated. Use renderer course_section_updated_cm_item instead',
DEBUG_DEVELOPER
);
$output = '';
if ($modulehtml = $this->course_section_cm($course, $completioninfo, $mod, $sectionreturn, $displayoptions)) {
$modclasses = 'activity ' . $mod->modname . ' modtype_' . $mod->modname . ' ' . $mod->extraclasses;
$output .= html_writer::tag('li', $modulehtml, array('class' => $modclasses, 'id' => 'module-' . $mod->id));
}
return $output;
}
/**
* Renders HTML to display one course module in a course section
*
* This includes link, content, availability, completion info and additional information
* that module type wants to display (i.e. number of unread forum posts)
*
* @deprecated since 4.0 MDL-72656 - use core_course output components instead.
*
* @param stdClass $course
* @param completion_info $completioninfo
* @param cm_info $mod
* @param int|null $sectionreturn
* @param array $displayoptions
* @return string
*/
public function course_section_cm($course, &$completioninfo, cm_info $mod, $sectionreturn, $displayoptions = []) {
debugging(
'course_section_cm is deprecated. Use core_courseformat\\output\\content\\cm output class instead.',
DEBUG_DEVELOPER
);
if (!$mod->is_visible_on_course_page()) {
return '';
}
$format = course_get_format($course);
$modinfo = $format->get_modinfo();
// Output renderers works only with real section_info objects.
if ($sectionreturn) {
$format->set_section_number($sectionreturn);
}
$section = $modinfo->get_section_info($format->get_section_number());
$cmclass = $format->get_output_classname('content\\cm');
$cm = new $cmclass($format, $section, $mod, $displayoptions);
// The course outputs works with format renderers, not with course renderers.
$renderer = $format->get_renderer($this->page);
$data = $cm->export_for_template($renderer);
return $this->output->render_from_template('core_courseformat/local/content/cm', $data);
}
/**
* Message displayed to the user when they try to access unavailable activity following URL
*
* This method is a very simplified version of {@link course_section_cm()} to be part of the error
* notification only. It also does not check if module is visible on course page or not.
*
* The message will be displayed inside notification!
*
* @param cm_info $cm
* @return string
*/
public function course_section_cm_unavailable_error_message(cm_info $cm) {
if ($cm->uservisible) {
return null;
}
if (!$cm->availableinfo) {
return get_string('activityiscurrentlyhidden');
}
$altname = get_accesshide(' ' . $cm->modfullname);
$name = html_writer::empty_tag('img', array('src' => $cm->get_icon_url(),
'class' => 'iconlarge activityicon', 'alt' => ' ', 'role' => 'presentation')) .
html_writer::tag('span', ' '.$cm->get_formatted_name() . $altname, array('class' => 'instancename'));
$formattedinfo = \core_availability\info::format_info($cm->availableinfo, $cm->get_course());
return html_writer::div($name, 'activityinstance-error') .
html_writer::div($formattedinfo, 'availabilityinfo-error');
}
/**
* Renders HTML to display a list of course modules in a course section
* Also displays "move here" controls in Javascript-disabled mode.
*
* @deprecated since 4.0 MDL-72656 - use core_course output components instead.
*
* This function calls {@link 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 int $displayoptions
* @return void
*/
public function course_section_cm_list($course, $section, $sectionreturn = null, $displayoptions = []) {
global $USER;
debugging('course_section_cm_list is deprecated. Use core_courseformat\\output\\local\\content\\section\\cmlist '.
'classes instead.', DEBUG_DEVELOPER);
$output = '';
$format = course_get_format($course);
$modinfo = $format->get_modinfo();
if (is_object($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 = $format->show_editor() && ismoving($course->id);
if ($ismoving) {
$strmovefull = strip_tags(get_string("movefull", "", "'$USER->activitycopyname'"));
}
// Get the list of modules visible to user (excluding the module being moved if there is one)
$moduleshtml = [];
if (!empty($modinfo->sections[$section->section])) {
foreach ($modinfo->sections[$section->section] as $modnumber) {
$mod = $modinfo->cms[$modnumber];
if ($ismoving and $mod->id == $USER->activitycopy) {
// do not display moving mod
continue;
}
if ($modulehtml = $this->course_section_cm_list_item($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, '', array('title' => $strmovefull, 'class' => 'movehere')),
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, '', array('title' => $strmovefull, 'class' => 'movehere')),
array('class' => 'movehere'));
}
}
// Always output the section module list.
$output .= html_writer::tag('ul', $sectionoutput, array('class' => 'section img-text'));
return $output;
}
/**
* Displays a custom list of courses with paging bar if necessary
*
* If $paginationurl is specified but $totalcount is not, the link 'View more'
* appears under the list.
*
* If both $paginationurl and $totalcount are specified, and $totalcount is
* bigger than count($courses), a paging bar is displayed above and under the
* courses list.
*
* @param array $courses array of course records (or instances of core_course_list_element) to show on this page
* @param bool $showcategoryname whether to add category name to the course description
* @param string $additionalclasses additional CSS classes to add to the div.courses
* @param moodle_url $paginationurl url to view more or url to form links to the other pages in paging bar
* @param int $totalcount total number of courses on all pages, if omitted $paginationurl will be displayed as 'View more' link
* @param int $page current page number (defaults to 0 referring to the first page)
* @param int $perpage number of records per page (defaults to $CFG->coursesperpage)
* @return string
*/
public function courses_list($courses, $showcategoryname = false, $additionalclasses = null, $paginationurl = null, $totalcount = null, $page = 0, $perpage = null) {
global $CFG;
// create instance of coursecat_helper to pass display options to function rendering courses list
$chelper = new coursecat_helper();
if ($showcategoryname) {
$chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT);
} else {
$chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED);
}
if ($totalcount !== null && $paginationurl !== null) {
// add options to display pagination
if ($perpage === null) {
$perpage = $CFG->coursesperpage;
}
$chelper->set_courses_display_options(array(
'limit' => $perpage,
'offset' => ((int)$page) * $perpage,
'paginationurl' => $paginationurl,
));
} else if ($paginationurl !== null) {
// add options to display 'View more' link
$chelper->set_courses_display_options(array('viewmoreurl' => $paginationurl));
$totalcount = count($courses) + 1; // has to be bigger than count($courses) otherwise link will not be displayed
}
$chelper->set_attributes(array('class' => $additionalclasses));
$content = $this->coursecat_courses($chelper, $courses, $totalcount);
return $content;
}
/**
* Returns HTML to display course name.
*
* @param coursecat_helper $chelper
* @param core_course_list_element $course
* @return string
*/
protected function course_name(coursecat_helper $chelper, core_course_list_element $course): string {
$content = '';
if ($chelper->get_show_courses() >= self::COURSECAT_SHOW_COURSES_EXPANDED) {
$nametag = 'h3';
} else {
$nametag = 'div';
}
$coursename = $chelper->get_course_formatted_name($course);
$coursenamelink = html_writer::link(new moodle_url('/course/view.php', ['id' => $course->id]),
$coursename, ['class' => $course->visible ? 'aalink' : 'aalink dimmed']);
$content .= html_writer::tag($nametag, $coursenamelink, ['class' => 'coursename']);
// If we display course in collapsed form but the course has summary or course contacts, display the link to the info page.
$content .= html_writer::start_tag('div', ['class' => 'moreinfo']);
if ($chelper->get_show_courses() < self::COURSECAT_SHOW_COURSES_EXPANDED) {
if ($course->has_summary() || $course->has_course_contacts() || $course->has_course_overviewfiles()
|| $course->has_custom_fields()) {
$url = new moodle_url('/course/info.php', ['id' => $course->id]);
$image = $this->output->pix_icon('i/info', $this->strings->summary);
$content .= html_writer::link($url, $image, ['title' => $this->strings->summary]);
// Make sure JS file to expand course content is included.
$this->coursecat_include_js();
}
}
$content .= html_writer::end_tag('div');
return $content;
}
/**
* Returns HTML to display course enrolment icons.
*
* @param core_course_list_element $course
* @return string
*/
protected function course_enrolment_icons(core_course_list_element $course): string {
$content = '';
if ($icons = enrol_get_course_info_icons($course)) {
$content .= html_writer::start_tag('div', ['class' => 'enrolmenticons']);
foreach ($icons as $icon) {
$content .= $this->render($icon);
}
$content .= html_writer::end_tag('div');
}
return $content;
}
/**
* Displays one course in the list of courses.
*
* This is an internal function, to display an information about just one course
* please use {@link core_course_renderer::course_info_box()}
*
* @param coursecat_helper $chelper various display options
* @param core_course_list_element|stdClass $course
* @param string $additionalclasses additional classes to add to the main <div> tag (usually
* depend on the course position in list - first/last/even/odd)
* @return string
*/
protected function coursecat_coursebox(coursecat_helper $chelper, $course, $additionalclasses = '') {
if (!isset($this->strings->summary)) {
$this->strings->summary = get_string('summary');
}
if ($chelper->get_show_courses() <= self::COURSECAT_SHOW_COURSES_COUNT) {
return '';
}
if ($course instanceof stdClass) {
$course = new core_course_list_element($course);
}
$content = '';
$classes = trim('coursebox clearfix '. $additionalclasses);
if ($chelper->get_show_courses() < self::COURSECAT_SHOW_COURSES_EXPANDED) {
$classes .= ' collapsed';
}
// .coursebox
$content .= html_writer::start_tag('div', array(
'class' => $classes,
'data-courseid' => $course->id,
'data-type' => self::COURSECAT_TYPE_COURSE,
));
$content .= html_writer::start_tag('div', array('class' => 'info'));
$content .= $this->course_name($chelper, $course);
$content .= $this->course_enrolment_icons($course);
$content .= html_writer::end_tag('div');
$content .= html_writer::start_tag('div', array('class' => 'content'));
$content .= $this->coursecat_coursebox_content($chelper, $course);
$content .= html_writer::end_tag('div');
$content .= html_writer::end_tag('div'); // .coursebox
return $content;
}
/**
* Returns HTML to display course summary.
*
* @param coursecat_helper $chelper
* @param core_course_list_element $course
* @return string
*/
protected function course_summary(coursecat_helper $chelper, core_course_list_element $course): string {
$content = '';
if ($course->has_summary()) {
$content .= html_writer::start_tag('div', ['class' => 'summary']);
$content .= $chelper->get_course_formatted_summary($course,
array('overflowdiv' => true, 'noclean' => true, 'para' => false));
$content .= html_writer::end_tag('div');
}
return $content;
}
/**
* Returns HTML to display course contacts.
*
* @param core_course_list_element $course
* @return string
*/
protected function course_contacts(core_course_list_element $course) {
$content = '';
if ($course->has_course_contacts()) {
$content .= html_writer::start_tag('ul', ['class' => 'teachers']);
foreach ($course->get_course_contacts() as $coursecontact) {
$rolenames = array_map(function ($role) {
return $role->displayname;
}, $coursecontact['roles']);
$name = html_writer::tag('span', implode(", ", $rolenames).': ', ['class' => 'font-weight-bold']);
$name .= html_writer::link(
\core_user::get_profile_url($coursecontact['user'], context_system::instance()),
$coursecontact['username']
);
$content .= html_writer::tag('li', $name);
}
$content .= html_writer::end_tag('ul');
}
return $content;
}
/**
* Returns HTML to display course overview files.
*
* @param core_course_list_element $course
* @return string
*/
protected function course_overview_files(core_course_list_element $course): string {
global $CFG;
$contentimages = $contentfiles = '';
foreach ($course->get_course_overviewfiles() as $file) {
$isimage = $file->is_valid_image();
$url = moodle_url::make_file_url("$CFG->wwwroot/pluginfile.php",
'/' . $file->get_contextid() . '/' . $file->get_component() . '/' .
$file->get_filearea() . $file->get_filepath() . $file->get_filename(), !$isimage);
if ($isimage) {
$contentimages .= html_writer::tag('div',
html_writer::empty_tag('img', ['src' => $url, 'alt' => '']),
['class' => 'courseimage']);
} else {
$image = $this->output->pix_icon(file_file_icon($file), $file->get_filename(), 'moodle');
$filename = html_writer::tag('span', $image, ['class' => 'fp-icon']).
html_writer::tag('span', $file->get_filename(), ['class' => 'fp-filename']);
$contentfiles .= html_writer::tag('span',
html_writer::link($url, $filename),
['class' => 'coursefile fp-filename-icon text-break']);
}
}
return $contentimages . $contentfiles;
}
/**
* Returns HTML to display course category name.
*
* @param coursecat_helper $chelper
* @param core_course_list_element $course
* @return string
*/
protected function course_category_name(coursecat_helper $chelper, core_course_list_element $course): string {
$content = '';
// Display course category if necessary (for example in search results).
if ($chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT) {
if ($cat = core_course_category::get($course->category, IGNORE_MISSING)) {