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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) { $this->strings = new stdClass; parent::__construct($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 * * Please see http://docs.moodle.org/dev/Courses_lists_upgrade_to_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 * * Please see http://docs.moodle.org/dev/Courses_lists_upgrade_to_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)); } /** * Build the HTML for the module chooser javascript popup * * @param array $modules A set of modules as returned form @see * get_module_metadata * @param object $course The course that will be displayed * @return string The composed HTML for the module */ public function course_modchooser($modules, $course) { if (!$this->page->requires->should_create_one_time_item_now('core_course_modchooser')) { return ''; } $modchooser = new \core_course\output\modchooser($course, $modules); return $this->render($modchooser); } /** * 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 * * @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 $displayoptions additional display options: * ownerselector => A JS/CSS selector that can be used to find an cm node. * If specified the owning node will be given the class 'action-menu-shown' when the action * menu is being displayed. * constraintselector => A JS/CSS selector that can be used to find the parent node for which to constrain * the action menu to when it is being displayed. * donotenhance => If set to true the action menu that gets displayed won't be enhanced by JS. * @return string */ public function course_section_cm_edit_actions($actions, cm_info $mod = null, $displayoptions = array()) { global $CFG; if (empty($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); $ownerselector = 'li.activity'; } if (isset($displayoptions['constraintselector'])) { $constraint = $displayoptions['constraintselector']; } else { $constraint = '.course-content'; } $menu = new action_menu(); $menu->set_owner_selector($ownerselector); $menu->set_constraint($constraint); $menu->set_alignment(action_menu::TR, action_menu::BR); $menu->set_menu_trigger(get_string('edit')); foreach ($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 * * @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()) { global $CFG; $vertical = !empty($displayoptions['inblock']); // check to see if user can add menus and there are modules to add if (!has_capability('moodle/course:manageactivities', context_course::instance($course->id)) || !$this->page->user_is_editing() || !($modnames = get_module_types_names()) || empty($modnames)) { return ''; } // Retrieve all modules with associated metadata $modules = get_module_metadata($course, $modnames, $sectionreturn); $urlparams = array('section' => $section); // We'll sort resources and activities into two lists $activities = array(MOD_CLASS_ACTIVITY => array(), MOD_CLASS_RESOURCE => array()); foreach ($modules as $module) { $activityclass = MOD_CLASS_ACTIVITY; if ($module->archetype == MOD_ARCHETYPE_RESOURCE) { $activityclass = MOD_CLASS_RESOURCE; } else if ($module->archetype === MOD_ARCHETYPE_SYSTEM) { // System modules cannot be added by user, do not add to dropdown. continue; } $link = $module->link->out(true, $urlparams); $activities[$activityclass][$link] = $module->title; } $straddactivity = get_string('addactivity'); $straddresource = get_string('addresource'); $sectionname = get_section_name($course, $section); $strresourcelabel = get_string('addresourcetosection', null, $sectionname); $stractivitylabel = get_string('addactivitytosection', null, $sectionname); $output = html_writer::start_tag('div', array('class' => 'section_add_menus', 'id' => 'add_menus-section-' . $section)); if (!$vertical) { $output .= html_writer::start_tag('div', array('class' => 'horizontal')); } if (!empty($activities[MOD_CLASS_RESOURCE])) { $select = new url_select($activities[MOD_CLASS_RESOURCE], '', array(''=>$straddresource), "ressection$section"); $select->set_help_icon('resources'); $select->set_label($strresourcelabel, array('class' => 'accesshide')); $output .= $this->output->render($select); } if (!empty($activities[MOD_CLASS_ACTIVITY])) { $select = new url_select($activities[MOD_CLASS_ACTIVITY], '', array(''=>$straddactivity), "section$section"); $select->set_help_icon('activities'); $select->set_label($stractivitylabel, array('class' => 'accesshide')); $output .= $this->output->render($select); } if (!$vertical) { $output .= html_writer::end_tag('div'); } $output .= html_writer::end_tag('div'); if (course_ajax_enabled($course) && $course->id == $this->page->course->id) { // modchooser can be added only for the current course set on the page! $straddeither = get_string('addresourceoractivity'); // The module chooser link $modchooser = html_writer::start_tag('div', array('class' => 'mdl-right')); $modchooser.= html_writer::start_tag('div', array('class' => 'section-modchooser')); $icon = $this->output->pix_icon('t/add', ''); $span = html_writer::tag('span', $straddeither, array('class' => 'section-modchooser-text')); $modchooser .= html_writer::tag('span', $icon . $span, array('class' => 'section-modchooser-link')); $modchooser.= html_writer::end_tag('div'); $modchooser.= html_writer::end_tag('div'); // Wrap the normal output in a noscript div $usemodchooser = get_user_preferences('usemodchooser', $CFG->modchooserdefault); if ($usemodchooser) { $output = html_writer::tag('div', $output, array('class' => 'hiddenifjs addresourcedropdown')); $modchooser = html_writer::tag('div', $modchooser, array('class' => 'visibleifjs addresourcemodchooser')); } else { // If the module chooser is disabled, we need to ensure that the dropdowns are shown even if javascript is disabled $output = html_writer::tag('div', $output, array('class' => 'show addresourcedropdown')); $modchooser = html_writer::tag('div', $modchooser, array('class' => 'hide addresourcemodchooser')); } $output = $this->course_modchooser($modules, $course) . $modchooser . $output; } return $output; } /** * Renders html to display a course search form. * * @param string $value default value to populate the search field * @param string $format display format - 'plain' (default), 'short' or 'navbar' * @return string */ public function course_search_form($value = '', $format = 'plain') { static $count = 0; $formid = 'coursesearch'; if ((++$count) > 1) { $formid .= $count; } switch ($format) { case 'navbar' : $formid = 'coursesearchnavbar'; $inputid = 'navsearchbox'; $inputsize = 20; break; case 'short' : $inputid = 'shortsearchbox'; $inputsize = 12; break; default : $inputid = 'coursesearchbox'; $inputsize = 30; } $data = new stdClass(); $data->searchurl = \core_search\manager::get_course_search_url()->out(false); $data->id = $formid; $data->inputid = $inputid; $data->inputsize = $inputsize; $data->value = $value; $data->areaids = 'core_course-course'; if ($format != 'navbar') { $helpicon = new \help_icon('coursesearch', 'core'); $data->helpicon = $helpicon->export_for_template($this); } return $this->render_from_template('core_course/course_search_form', $data); } /** * Renders html for completion box on course page * * If completion is disabled, returns empty string * If completion is automatic, returns an icon of the current completion state * If completion is manual, returns a form (with an icon inside) that allows user to * toggle completion * * @param stdClass $course course object * @param completion_info $completioninfo completion info for the course, it is recommended * to fetch once for all modules in course/section for performance * @param cm_info $mod module to show completion for * @param array $displayoptions display options, not used in core * @return string */ public function course_section_cm_completion($course, &$completioninfo, cm_info $mod, $displayoptions = array()) { global $CFG, $DB, $USER; $output = ''; $istrackeduser = $completioninfo->is_tracked_user($USER->id); $isediting = $this->page->user_is_editing(); if (!empty($displayoptions['hidecompletion']) || !isloggedin() || isguestuser() || !$mod->uservisible) { return $output; } if ($completioninfo === null) { $completioninfo = new completion_info($course); } $completion = $completioninfo->is_enabled($mod); if ($completion == COMPLETION_TRACKING_NONE) { if ($isediting) { $output .= html_writer::span(' ', 'filler'); } return $output; } $completionicon = ''; if ($isediting || !$istrackeduser) { switch ($completion) { case COMPLETION_TRACKING_MANUAL : $completionicon = 'manual-enabled'; break; case COMPLETION_TRACKING_AUTOMATIC : $completionicon = 'auto-enabled'; break; } } else { $completiondata = $completioninfo->get_data($mod, true); if ($completion == COMPLETION_TRACKING_MANUAL) { switch($completiondata->completionstate) { case COMPLETION_INCOMPLETE: $completionicon = 'manual-n' . ($completiondata->overrideby ? '-override' : ''); break; case COMPLETION_COMPLETE: $completionicon = 'manual-y' . ($completiondata->overrideby ? '-override' : ''); break; } } else { // Automatic switch($completiondata->completionstate) { case COMPLETION_INCOMPLETE: $completionicon = 'auto-n' . ($completiondata->overrideby ? '-override' : ''); break; case COMPLETION_COMPLETE: $completionicon = 'auto-y' . ($completiondata->overrideby ? '-override' : ''); break; case COMPLETION_COMPLETE_PASS: $completionicon = 'auto-pass'; break; case COMPLETION_COMPLETE_FAIL: $completionicon = 'auto-fail'; break; } } } if ($completionicon) { $formattedname = html_entity_decode($mod->get_formatted_name(), ENT_QUOTES, 'UTF-8'); if (!$isediting && $istrackeduser && $completiondata->overrideby) { $args = new stdClass(); $args->modname = $formattedname; $overridebyuser = \core_user::get_user($completiondata->overrideby, '*', MUST_EXIST); $args->overrideuser = fullname($overridebyuser); $imgalt = get_string('completion-alt-' . $completionicon, 'completion', $args); } else { $imgalt = get_string('completion-alt-' . $completionicon, 'completion', $formattedname); } if ($isediting || !$istrackeduser || !has_capability('moodle/course:togglecompletion', $mod->context)) { // When editing, the icon is just an image. $completionpixicon = new pix_icon('i/completion-'.$completionicon, $imgalt, '', array('title' => $imgalt, 'class' => 'iconsmall')); $output .= html_writer::tag('span', $this->output->render($completionpixicon), array('class' => 'autocompletion')); } else if ($completion == COMPLETION_TRACKING_MANUAL) { $newstate = $completiondata->completionstate == COMPLETION_COMPLETE ? COMPLETION_INCOMPLETE : COMPLETION_COMPLETE; // In manual mode the icon is a toggle form... // If this completion state is used by the // conditional activities system, we need to turn // off the JS. $extraclass = ''; if (!empty($CFG->enableavailability) && core_availability\info::completion_value_used($course, $mod->id)) { $extraclass = ' preventjs'; } $output .= html_writer::start_tag('form', array('method' => 'post', 'action' => new moodle_url('/course/togglecompletion.php'), 'class' => 'togglecompletion'. $extraclass)); $output .= html_writer::start_tag('div'); $output .= html_writer::empty_tag('input', array( 'type' => 'hidden', 'name' => 'id', 'value' => $mod->id)); $output .= html_writer::empty_tag('input', array( 'type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey())); $output .= html_writer::empty_tag('input', array( 'type' => 'hidden', 'name' => 'modulename', 'value' => $formattedname)); $output .= html_writer::empty_tag('input', array( 'type' => 'hidden', 'name' => 'completionstate', 'value' => $newstate)); $output .= html_writer::tag('button', $this->output->pix_icon('i/completion-' . $completionicon, $imgalt), array('class' => 'btn btn-link', 'aria-live' => 'assertive')); $output .= html_writer::end_tag('div'); $output .= html_writer::end_tag('form'); } else { // In auto mode, the icon is just an image. $completionpixicon = new pix_icon('i/completion-'.$completionicon, $imgalt, '', array('title' => $imgalt)); $output .= html_writer::tag('span', $this->output->render($completionpixicon), array('class' => 'autocompletion')); } } return $output; } /** * Checks if course module has any conditions that may make it unavailable for * all or some of the students * * This function is internal and is only used to create CSS classes for the module name/text * * @param cm_info $mod * @return bool */ protected function is_cm_conditionally_hidden(cm_info $mod) { global $CFG; $conditionalhidden = false; if (!empty($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 * * @param cm_info $mod * @param array $displayoptions * @return string */ public function course_section_cm_name(cm_info $mod, $displayoptions = array()) { if (!$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. It calls {@link course_section_cm_name_title()} // to get the display title of the activity. $tmpl = new \core_course\output\course_module_name($mod, $this->page->user_is_editing(), $displayoptions); return $this->output->render_from_template('core/inplace_editable', $tmpl->export_for_template($this->output)) . $groupinglabel; } /** * Returns the CSS classes for the activity name/content * * For items which are hidden, unavailable or stealth but should be displayed * to current user ($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) { $linkclasses = ''; $textclasses = ''; if ($mod->uservisible) { $conditionalhidden = $this->is_cm_conditionally_hidden($mod); $accessiblebutdim = (!$mod->visible || $conditionalhidden) && has_capability('moodle/course:viewhiddenactivities', $mod->context); if ($accessiblebutdim) { $linkclasses .= ' dimmed'; $textclasses .= ' dimmed_text'; if ($conditionalhidden) { $linkclasses .= ' conditionalhidden'; $textclasses .= ' conditionalhidden'; } } if ($mod->is_stealth()) { // Stealth activity is the one that is not visible on course page. // It still may be displayed to the users who can manage it. $linkclasses .= ' stealth'; $textclasses .= ' stealth'; } } else { $linkclasses .= ' dimmed'; $textclasses .= ' dimmed dimmed_text'; } return array($linkclasses, $textclasses); } /** * 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 * * @param cm_info $mod * @param array $displayoptions * @return string */ public function course_section_cm_name_title(cm_info $mod, $displayoptions = array()) { $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. $activitylink = html_writer::empty_tag('img', array('src' => $mod->get_icon_url(), 'class' => 'iconlarge activityicon', 'alt' => '', 'role' => 'presentation', 'aria-hidden' => 'true')) . html_writer::tag('span', $instancename . $altname, array('class' => 'instancename')); if ($mod->uservisible) { $output .= html_writer::link($url, $activitylink, array('class' => $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) * * @param cm_info $mod * @param array $displayoptions * @return string */ public function course_section_cm_text(cm_info $mod, $displayoptions = array()) { $output = ''; if (!$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 * * @param string $text * @param string $additionalclasses * @return string */ public function availability_info($text, $additionalclasses = '') { $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) * * @param cm_info $mod * @param array $displayoptions * @return string */ public function course_section_cm_availability(cm_info $mod, $displayoptions = array()) { global $CFG; $output = ''; if (!$mod->is_visible_on_course_page()) { return $output; } if (!$mod->uservisible) { // this is a student who is not allowed to see the module but might be allowed // to see availability info (i.e. "Available from ...") if (!empty($mod->availableinfo)) { $formattedinfo = \core_availability\info::format_info( $mod->availableinfo, $mod->get_course()); $output = $this->availability_info($formattedinfo, 'isrestricted'); } return $output; } // this is a teacher who is allowed to see module but still should see the // information that module is not available to all/some students $modcontext = context_module::instance($mod->id); $canviewhidden = has_capability('moodle/course:viewhiddenactivities', $modcontext); if ($canviewhidden && !$mod->visible) { // This module is hidden but current user has capability to see it. // Do not display the availability info if the whole section is hidden. if ($mod->get_section_info()->visible) { $output .= $this->availability_info(get_string('hiddenfromstudents'), 'ishidden'); } } else if ($mod->is_stealth()) { // This module is available but is normally not displayed on the course page // (this user can see it because they can manage it). $output .= $this->availability_info(get_string('hiddenoncoursepage'), 'isstealth'); } if ($canviewhidden && !empty($CFG->enableavailability)) { // Display information about conditional availability. // Don't add availability information if user is not editing and activity is hidden. if ($mod->visible || $this->page->user_is_editing()) { $hidinfoclass = 'isrestricted isfullinfo'; if (!$mod->visible) { $hidinfoclass .= ' hide'; } $ci = new \core_availability\info_module($mod); $fullinfo = $ci->get_full_information(); if ($fullinfo) { $formattedinfo = \core_availability\info::format_info( $fullinfo, $mod->get_course()); $output .= $this->availability_info($formattedinfo, $hidinfoclass); } } } return $output; } /** * Renders HTML to display one course module for display within a section. * * 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 = array()) { $output = ''; if ($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) * * This function calls: * {@link core_course_renderer::course_section_cm_name()} * {@link core_course_renderer::course_section_cm_text()} * {@link core_course_renderer::course_section_cm_availability()} * {@link core_course_renderer::course_section_cm_completion()} * {@link course_get_cm_edit_actions()} * {@link core_course_renderer::course_section_cm_edit_actions()} * * @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 = array()) { $output = ''; // We return empty string (because course module will not be displayed at all) // if: // 1) The activity is not visible to users // and // 2) The 'availableinfo' is empty, i.e. the activity was // hidden in a way that leaves no info, such as using the // eye icon. if (!$mod->is_visible_on_course_page()) { return $output; } $indentclasses = 'mod-indent'; if (!empty($mod->indent)) { $indentclasses .= ' mod-indent-'.$mod->indent; if ($mod->indent > 15) { $indentclasses .= ' mod-indent-huge'; } } $output .= html_writer::start_tag('div'); if ($this->page->user_is_editing()) { $output .= course_get_cm_move($mod, $sectionreturn); } $output .= html_writer::start_tag('div', array('class' => 'mod-indent-outer')); // This div is used to indent the content. $output .= html_writer::div('', $indentclasses); // Start a wrapper for the actual content to keep the indentation consistent $output .= html_writer::start_tag('div'); // Display the link to the module (or do nothing if module has no url) $cmname = $this->course_section_cm_name($mod, $displayoptions); if (!empty($cmname)) { // Start the div for the activity title, excluding the edit icons. $output .= html_writer::start_tag('div', array('class' => 'activityinstance')); $output .= $cmname; // Module can put text after the link (e.g. forum unread) $output .= $mod->afterlink; // Closing the tag which contains everything but edit icons. Content part of the module should not be part of this. $output .= html_writer::end_tag('div'); // .activityinstance } // 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 = $this->course_section_cm_text($mod, $displayoptions); $url = $mod->url; if (empty($url)) { $output .= $contentpart; } $modicons = ''; if ($this->page->user_is_editing()) { $editactions = course_get_cm_edit_actions($mod, $mod->indent, $sectionreturn); $modicons .= ' '. $this->course_section_cm_edit_actions($editactions, $mod, $displayoptions); $modicons .= $mod->afterediticons; } $modicons .= $this->course_section_cm_completion($course, $completioninfo, $mod, $displayoptions); if (!empty($modicons)) { $output .= html_writer::span($modicons, 'actions'); } // Show availability info (if module is not available). $output .= $this->course_section_cm_availability($mod, $displayoptions); // If there is content AND a link, then display the content here // (AFTER any icons). Otherwise it was displayed before if (!empty($url)) { $output .= $contentpart; } $output .= html_writer::end_tag('div'); // $indentclasses // End of indentation div. $output .= html_writer::end_tag('div'); $output .= html_writer::end_tag('div'); return $output; } /** * 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 * * 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 = array()) { global $USER; $output = ''; $modinfo = get_fast_modinfo($course); 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) { $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, $this->output->render($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, $this->output->render($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; } /** * 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; } /** * 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) { $nametag = 'h3'; } else { $classes .= ' collapsed'; $nametag = 'div'; } // .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')); // course name $coursename = $chelper->get_course_formatted_name($course); $coursenamelink = html_writer::link(new moodle_url('/course/view.php', array('id' => $course->id)), $coursename, array('class' => $course->visible ? '' : 'dimmed')); $content .= html_writer::tag($nametag, $coursenamelink, array('class' => 'coursename')); // If we display course in collapsed form but the course has summary or course contacts, display the link to the info page. $content .= html_writer::start_tag('div', array('class' => 'moreinfo')); if ($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', array('id' => $course->id)); $image = $this->output->pix_icon('i/info', $this->strings->summary); $content .= html_writer::link($url, $image, array('title' => $this->strings->summary)); // Make sure JS file to expand course content is included. $this->coursecat_include_js(); } } $content .= html_writer::end_tag('div'); // .moreinfo // print enrolmenticons if ($icons = enrol_get_course_info_icons($course)) { $content .= html_writer::start_tag('div', array('class' => 'enrolmenticons')); foreach ($icons as $pix_icon) { $content .= $this->render($pix_icon); } $content .= html_writer::end_tag('div'); // .enrolmenticons } $content .= html_writer::end_tag('div'); // .info $content .= html_writer::start_tag('div', array('class' => 'content')); $content .= $this->coursecat_coursebox_content($chelper, $course); $content .= html_writer::end_tag('div'); // .content $content .= html_writer::end_tag('div'); // .coursebox return $content; } /** * Returns HTML to display course content (summary, course contacts and optionally category name) * * This method is called from coursecat_coursebox() and may be re-used in AJAX * * @param coursecat_helper $chelper various display options * @param stdClass|core_course_list_element $course * @return string */ protected function coursecat_coursebox_content(coursecat_helper $chelper, $course) { global $CFG; if ($chelper->get_show_courses() < self::COURSECAT_SHOW_COURSES_EXPANDED) { return ''; } if ($course instanceof stdClass) { $course = new core_course_list_element($course); } $content = ''; // display course summary if ($course->has_summary()) { $content .= html_writer::start_tag('div', array('class' => 'summary')); $content .= $chelper->get_course_formatted_summary($course, array('overflowdiv' => true, 'noclean' => true, 'para' => false)); $content .= html_writer::end_tag('div'); // .summary } // display course overview files $contentimages = $contentfiles = ''; foreach ($course->get_course_overviewfiles() as $file) { $isimage = $file->is_valid_image(); $url = file_encode_url("$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', array('src' => $url)), array('class' => 'courseimage')); } else { $image = $this->output->pix_icon(file_file_icon($file, 24), $file->get_filename(), 'moodle'); $filename = html_writer::tag('span', $image, array('class' => 'fp-icon')). html_writer::tag('span', $file->get_filename(), array('class' => 'fp-filename')); $contentfiles .= html_writer::tag('span', html_writer::link($url, $filename), array('class' => 'coursefile fp-filename-icon')); } } $content .= $contentimages. $contentfiles; // Display course contacts. See core_course_list_element::get_course_contacts(). if ($course->has_course_contacts()) { $content .= html_writer::start_tag('ul', array('class' => 'teachers')); foreach ($course->get_course_contacts() as $coursecontact) { $rolenames = array_map(function ($role) { return $role->displayname; }, $coursecontact['roles']); $name = implode(", ", $rolenames).': '. html_writer::link(new moodle_url('/user/view.php', array('id' => $coursecontact['user']->id, 'course' => SITEID)), $coursecontact['username']); $content .= html_writer::tag('li', $name); } $content .= html_writer::end_tag('ul'); // .teachers } // display course category if necessary (for example in search results) if ($chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT) { if ($cat = core_course_category::get($course->category, IGNORE_MISSING)) { $content .= html_writer::start_tag('div', array('class' => 'coursecat')); $content .= get_string('category').': '. html_writer::link(new moodle_url('/course/index.php', array('categoryid' => $cat->id)), $cat->get_formatted_name(), array('class' => $cat->visible ? '' : 'dimmed')); $content .= html_writer::end_tag('div'); // .coursecat } } // Display custom fields. if ($course->has_custom_fields()) { $handler = core_course\customfield\course_handler::create(); $customfields = $handler->display_custom_fields_data($course->get_custom_fields()); $content .= \html_writer::tag('div', $customfields, ['class' => 'customfields-container']); } return $content; } /** * Renders the list of courses * * This is internal function, please use {@link core_course_renderer::courses_list()} or another public * method from outside of the class * * If list of courses is specified in $courses; the argument $chelper is only used * to retrieve display options and attributes, only methods get_show_courses(), * get_courses_display_option() and get_and_erase_attributes() are called. * * @param coursecat_helper $chelper various display options * @param array $courses the list of courses to display * @param int|null $totalcount total number of courses (affects display mode if it is AUTO or pagination if applicable), * defaulted to count($courses) * @return string */ protected function coursecat_courses(coursecat_helper $chelper, $courses, $totalcount = null) { global $CFG; if ($totalcount === null) { $totalcount = count($courses); } if (!$totalcount) { // Courses count is cached during courses retrieval. return ''; } if ($chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_AUTO) { // In 'auto' course display mode we analyse if number of courses is more or less than $CFG->courseswithsummarieslimit if ($totalcount <= $CFG->courseswithsummarieslimit) { $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED); } else { $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_COLLAPSED); } } // prepare content of paging bar if it is needed $paginationurl = $chelper->get_courses_display_option('paginationurl'); $paginationallowall = $chelper->get_courses_display_option('paginationallowall'); if ($totalcount > count($courses)) { // there are more results that can fit on one page if ($paginationurl) { // the option paginationurl was specified, display pagingbar $perpage = $chelper->get_courses_display_option('limit', $CFG->coursesperpage); $page = $chelper->get_courses_display_option('offset') / $perpage; $pagingbar = $this->paging_bar($totalcount, $page, $perpage, $paginationurl->out(false, array('perpage' => $perpage))); if ($paginationallowall) { $pagingbar .= html_writer::tag('div', html_writer::link($paginationurl->out(false, array('perpage' => 'all')), get_string('showall', '', $totalcount)), array('class' => 'paging paging-showall')); } } else if ($viewmoreurl = $chelper->get_courses_display_option('viewmoreurl')) { // the option for 'View more' link was specified, display more link $viewmoretext = $chelper->get_courses_display_option('viewmoretext', new lang_string('viewmore')); $morelink = html_writer::tag('div', html_writer::link($viewmoreurl, $viewmoretext), array('class' => 'paging paging-morelink')); } } else if (($totalcount > $CFG->coursesperpage) && $paginationurl && $paginationallowall) { // there are more than one page of results and we are in 'view all' mode, suggest to go back to paginated view mode $pagingbar = html_writer::tag('div', html_writer::link($paginationurl->out(false, array('perpage' => $CFG->coursesperpage)), get_string('showperpage', '', $CFG->coursesperpage)), array('class' => 'paging paging-showperpage')); } // display list of courses $attributes = $chelper->get_and_erase_attributes('courses'); $content = html_writer::start_tag('div', $attributes); if (!empty($pagingbar)) { $content .= $pagingbar; } $coursecount = 0; foreach ($courses as $course) { $coursecount ++; $classes = ($coursecount%2) ? 'odd' : 'even'; if ($coursecount == 1) { $classes .= ' first'; } if ($coursecount >= count($courses)) { $classes .= ' last'; } $content .= $this->coursecat_coursebox($chelper, $course, $classes); } if (!empty($pagingbar)) { $content .= $pagingbar; } if (!empty($morelink)) { $content .= $morelink; } $content .= html_writer::end_tag('div'); // .courses return $content; } /** * Renders the list of subcategories in a category * * @param coursecat_helper $chelper various display options * @param core_course_category $coursecat * @param int $depth depth of the category in the current tree * @return string */ protected function coursecat_subcategories(coursecat_helper $chelper, $coursecat, $depth) { global $CFG; $subcategories = array(); if (!$chelper->get_categories_display_option('nodisplay')) { $subcategories = $coursecat->get_children($chelper->get_categories_display_options()); } $totalcount = $coursecat->get_children_count(); if (!$totalcount) { // Note that we call core_course_category::get_children_count() AFTER core_course_category::get_children() // to avoid extra DB requests. // Categories count is cached during children categories retrieval. return ''; } // prepare content of paging bar or more link if it is needed $paginationurl = $chelper->get_categories_display_option('paginationurl'); $paginationallowall = $chelper->get_categories_display_option('paginationallowall'); if ($totalcount > count($subcategories)) { if ($paginationurl) { // the option 'paginationurl was specified, display pagingbar $perpage = $chelper->get_categories_display_option('limit', $CFG->coursesperpage); $page = $chelper->get_categories_display_option('offset') / $perpage; $pagingbar = $this->paging_bar($totalcount, $page, $perpage, $paginationurl->out(false, array('perpage' => $perpage))); if ($paginationallowall) { $pagingbar .= html_writer::tag('div', html_writer::link($paginationurl->out(false, array('perpage' => 'all')), get_string('showall', '', $totalcount)), array('class' => 'paging paging-showall')); } } else if ($viewmoreurl = $chelper->get_categories_display_option('viewmoreurl')) { // the option 'viewmoreurl' was specified, display more link (if it is link to category view page, add category id) if ($viewmoreurl->compare(new moodle_url('/course/index.php'), URL_MATCH_BASE)) { $viewmoreurl->param('categoryid', $coursecat->id); } $viewmoretext = $chelper->get_categories_display_option('viewmoretext', new lang_string('viewmore')); $morelink = html_writer::tag('div', html_writer::link($viewmoreurl, $viewmoretext), array('class' => 'paging paging-morelink')); } } else if (($totalcount > $CFG->coursesperpage) && $paginationurl && $paginationallowall) { // there are more than one page of results and we are in 'view all' mode, suggest to go back to paginated view mode $pagingbar = html_writer::tag('div', html_writer::link($paginationurl->out(false, array('perpage' => $CFG->coursesperpage)), get_string('showperpage', '', $CFG->coursesperpage)), array('class' => 'paging paging-showperpage')); } // display list of subcategories $content = html_writer::start_tag('div', array('class' => 'subcategories')); if (!empty($pagingbar)) { $content .= $pagingbar; } foreach ($subcategories as $subcategory) { $content .= $this->coursecat_category($chelper, $subcategory, $depth + 1); } if (!empty($pagingbar)) { $content .= $pagingbar; } if (!empty($morelink)) { $content .= $morelink; } $content .= html_writer::end_tag('div'); return $content; } /** * Make sure that javascript file for AJAX expanding of courses and categories content is included */ protected function coursecat_include_js() { if (!$this->page->requires->should_create_one_time_item_now('core_course_categoryexpanderjsinit')) { return; } // We must only load this module once. $this->page->requires->yui_module('moodle-course-categoryexpander', 'Y.Moodle.course.categoryexpander.init'); } /** * Returns HTML to display the subcategories and courses in the given category * * This method is re-used by AJAX to expand content of not loaded category * * @param coursecat_helper $chelper various display options * @param core_course_category $coursecat * @param int $depth depth of the category in the current tree * @return string */ protected function coursecat_category_content(coursecat_helper $chelper, $coursecat, $depth) { $content = ''; // Subcategories $content .= $this->coursecat_subcategories($chelper, $coursecat, $depth); // AUTO show courses: Courses will be shown expanded if this is not nested category, // and number of courses no bigger than $CFG->courseswithsummarieslimit. $showcoursesauto = $chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_AUTO; if ($showcoursesauto && $depth) { // this is definitely collapsed mode $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_COLLAPSED); } // Courses if ($chelper->get_show_courses() > core_course_renderer::COURSECAT_SHOW_COURSES_COUNT) { $courses = array(); if (!$chelper->get_courses_display_option('nodisplay')) { $courses = $coursecat->get_courses($chelper->get_courses_display_options()); } if ($viewmoreurl = $chelper->get_courses_display_option('viewmoreurl')) { // the option for 'View more' link was specified, display more link (if it is link to category view page, add category id) if ($viewmoreurl->compare(new moodle_url('/course/index.php'), URL_MATCH_BASE)) { $chelper->set_courses_display_option('viewmoreurl', new moodle_url($viewmoreurl, array('categoryid' => $coursecat->id))); } } $content .= $this->coursecat_courses($chelper, $courses, $coursecat->get_courses_count()); } if ($showcoursesauto) { // restore the show_courses back to AUTO $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_AUTO); } return $content; } /** * Returns HTML to display a course category as a part of a tree * * This is an internal function, to display a particular category and all its contents * use {@link core_course_renderer::course_category()} * * @param coursecat_helper $chelper various display options * @param core_course_category $coursecat * @param int $depth depth of this category in the current tree * @return string */ protected function coursecat_category(coursecat_helper $chelper, $coursecat, $depth) { // open category tag $classes = array('category'); if (empty($coursecat->visible)) { $classes[] = 'dimmed_category'; } if ($chelper->get_subcat_depth() > 0 && $depth >= $chelper->get_subcat_depth()) { // do not load content $categorycontent = ''; $classes[] = 'notloaded'; if ($coursecat->get_children_count() || ($chelper->get_show_courses() >= self::COURSECAT_SHOW_COURSES_COLLAPSED && $coursecat->get_courses_count())) { $classes[] = 'with_children'; $classes[] = 'collapsed'; } } else { // load category content $categorycontent = $this->coursecat_category_content($chelper, $coursecat, $depth); $classes[] = 'loaded'; if (!empty($categorycontent)) { $classes[] = 'with_children'; // Category content loaded with children. $this->categoryexpandedonload = true; } } // Make sure JS file to expand category content is included. $this->coursecat_include_js(); $content = html_writer::start_tag('div', array( 'class' => join(' ', $classes), 'data-categoryid' => $coursecat->id, 'data-depth' => $depth, 'data-showcourses' => $chelper->get_show_courses(), 'data-type' => self::COURSECAT_TYPE_CATEGORY, )); // category name $categoryname = $coursecat->get_formatted_name(); $categoryname = html_writer::link(new moodle_url('/course/index.php', array('categoryid' => $coursecat->id)), $categoryname); if ($chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_COUNT && ($coursescount = $coursecat->get_courses_count())) { $categoryname .= html_writer::tag('span', ' ('. $coursescount.')', array('title' => get_string('numberofcourses'), 'class' => 'numberofcourse')); } $content .= html_writer::start_tag('div', array('class' => 'info')); $content .= html_writer::tag(($depth > 1) ? 'h4' : 'h3', $categoryname, array('class' => 'categoryname')); $content .= html_writer::end_tag('div'); // .info // add category content to the output $content .= html_writer::tag('div', $categorycontent, array('class' => 'content')); $content .= html_writer::end_tag('div'); // .category // Return the course category tree HTML return $content; } /** * Returns HTML to display a tree of subcategories and courses in the given category * * @param coursecat_helper $chelper various display options * @param core_course_category $coursecat top category (this category's name and description will NOT be added to the tree) * @return string */ protected function coursecat_tree(coursecat_helper $chelper, $coursecat) { // Reset the category expanded flag for this course category tree first. $this->categoryexpandedonload = false; $categorycontent = $this->coursecat_category_content($chelper, $coursecat, 0); if (empty($categorycontent)) { return ''; } // Start content generation $content = ''; $attributes = $chelper->get_and_erase_attributes('course_category_tree clearfix'); $content .= html_writer::start_tag('div', $attributes); if ($coursecat->get_children_count()) { $classes = array( 'collapseexpand', ); // Check if the category content contains subcategories with children's content loaded. if ($this->categoryexpandedonload) { $classes[] = 'collapse-all'; $linkname = get_string('collapseall'); } else { $linkname = get_string('expandall'); } // Only show the collapse/expand if there are children to expand. $content .= html_writer::start_tag('div', array('class' => 'collapsible-actions')); $content .= html_writer::link('#', $linkname, array('class' => implode(' ', $classes))); $content .= html_writer::end_tag('div'); $this->page->requires->strings_for_js(array('collapseall', 'expandall'), 'moodle'); } $content .= html_writer::tag('div', $categorycontent, array('class' => 'content')); $content .= html_writer::end_tag('div'); // .course_category_tree return $content; } /** * Renders HTML to display particular course category - list of it's subcategories and courses * * Invoked from /course/index.php * * @param int|stdClass|core_course_category $category */ public function course_category($category) { global $CFG; $usertop = core_course_category::user_top(); if (empty($category)) { $coursecat = $usertop; } else if (is_object($category) && $category instanceof core_course_category) { $coursecat = $category; } else { $coursecat = core_course_category::get(is_object($category) ? $category->id : $category); } $site = get_site(); $output = ''; if ($coursecat->can_create_course() || $coursecat->has_manage_capability()) { // Add 'Manage' button if user has permissions to edit this category. $managebutton = $this->single_button(new moodle_url('/course/management.php', array('categoryid' => $coursecat->id)), get_string('managecourses'), 'get'); $this->page->set_button($managebutton); } if (core_course_category::is_simple_site()) { // There is only one category in the system, do not display link to it. $strfulllistofcourses = get_string('fulllistofcourses'); $this->page->set_title("$site->shortname: $strfulllistofcourses"); } else if (!$coursecat->id || !$coursecat->is_uservisible()) { $strcategories = get_string('categories'); $this->page->set_title("$site->shortname: $strcategories"); } else { $strfulllistofcourses = get_string('fulllistofcourses'); $this->page->set_title("$site->shortname: $strfulllistofcourses"); // Print the category selector $categorieslist = core_course_category::make_categories_list(); if (count($categorieslist) > 1) { $output .= html_writer::start_tag('div', array('class' => 'categorypicker')); $select = new single_select(new moodle_url('/course/index.php'), 'categoryid', core_course_category::make_categories_list(), $coursecat->id, null, 'switchcategory'); $select->set_label(get_string('categories').':'); $output .= $this->render($select); $output .= html_writer::end_tag('div'); // .categorypicker } } // Print current category description $chelper = new coursecat_helper(); if ($description = $chelper->get_category_formatted_description($coursecat)) { $output .= $this->box($description, array('class' => 'generalbox info')); } // Prepare parameters for courses and categories lists in the tree $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_AUTO) ->set_attributes(array('class' => 'category-browse category-browse-'.$coursecat->id)); $coursedisplayoptions = array(); $catdisplayoptions = array(); $browse = optional_param('browse', null, PARAM_ALPHA); $perpage = optional_param('perpage', $CFG->coursesperpage, PARAM_INT); $page = optional_param('page', 0, PARAM_INT); $baseurl = new moodle_url('/course/index.php'); if ($coursecat->id) { $baseurl->param('categoryid', $coursecat->id); } if ($perpage != $CFG->coursesperpage) { $baseurl->param('perpage', $perpage); } $coursedisplayoptions['limit'] = $perpage; $catdisplayoptions['limit'] = $perpage; if ($browse === 'courses' || !$coursecat->get_children_count()) { $coursedisplayoptions['offset'] = $page * $perpage; $coursedisplayoptions['paginationurl'] = new moodle_url($baseurl, array('browse' => 'courses')); $catdisplayoptions['nodisplay'] = true; $catdisplayoptions['viewmoreurl'] = new moodle_url($baseurl, array('browse' => 'categories')); $catdisplayoptions['viewmoretext'] = new lang_string('viewallsubcategories'); } else if ($browse === 'categories' || !$coursecat->get_courses_count()) { $coursedisplayoptions['nodisplay'] = true; $catdisplayoptions['offset'] = $page * $perpage; $catdisplayoptions['paginationurl'] = new moodle_url($baseurl, array('browse' => 'categories')); $coursedisplayoptions['viewmoreurl'] = new moodle_url($baseurl, array('browse' => 'courses')); $coursedisplayoptions['viewmoretext'] = new lang_string('viewallcourses'); } else { // we have a category that has both subcategories and courses, display pagination separately $coursedisplayoptions['viewmoreurl'] = new moodle_url($baseurl, array('browse' => 'courses', 'page' => 1)); $catdisplayoptions['viewmoreurl'] = new moodle_url($baseurl, array('browse' => 'categories', 'page' => 1)); } $chelper->set_courses_display_options($coursedisplayoptions)->set_categories_display_options($catdisplayoptions); // Add course search form. $output .= $this->course_search_form(); // Display course category tree. $output .= $this->coursecat_tree($chelper, $coursecat); // Add action buttons $output .= $this->container_start('buttons'); if ($coursecat->is_uservisible()) { $context = get_category_or_system_context($coursecat->id); if (has_capability('moodle/course:create', $context)) { // Print link to create a new course, for the 1st available category. if ($coursecat->id) { $url = new moodle_url('/course/edit.php', array('category' => $coursecat->id, 'returnto' => 'category')); } else { $url = new moodle_url('/course/edit.php', array('category' => $CFG->defaultrequestcategory, 'returnto' => 'topcat')); } $output .= $this->single_button($url, get_string('addnewcourse'), 'get'); } ob_start(); print_course_request_buttons($context); $output .= ob_get_contents(); ob_end_clean(); } $output .= $this->container_end(); return $output; } /** * Serves requests to /course/category.ajax.php * * In this renderer implementation it may expand the category content or * course content. * * @return string * @throws coding_exception */ public function coursecat_ajax() { global $DB, $CFG; $type = required_param('type', PARAM_INT); if ($type === self::COURSECAT_TYPE_CATEGORY) { // This is a request for a category list of some kind. $categoryid = required_param('categoryid', PARAM_INT); $showcourses = required_param('showcourses', PARAM_INT); $depth = required_param('depth', PARAM_INT); $category = core_course_category::get($categoryid); $chelper = new coursecat_helper(); $baseurl = new moodle_url('/course/index.php', array('categoryid' => $categoryid)); $coursedisplayoptions = array( 'limit' => $CFG->coursesperpage, 'viewmoreurl' => new moodle_url($baseurl, array('browse' => 'courses', 'page' => 1)) ); $catdisplayoptions = array( 'limit' => $CFG->coursesperpage, 'viewmoreurl' => new moodle_url($baseurl, array('browse' => 'categories', 'page' => 1)) ); $chelper->set_show_courses($showcourses)-> set_courses_display_options($coursedisplayoptions)-> set_categories_display_options($catdisplayoptions); return $this->coursecat_category_content($chelper, $category, $depth); } else if ($type === self::COURSECAT_TYPE_COURSE) { // This is a request for the course information. $courseid = required_param('courseid', PARAM_INT); $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST); $chelper = new coursecat_helper(); $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED); return $this->coursecat_coursebox_content($chelper, $course); } else { throw new coding_exception('Invalid request type'); } } /** * Renders html to display search result page * * @param array $searchcriteria may contain elements: search, blocklist, modulelist, tagid * @return string */ public function search_courses($searchcriteria) { global $CFG; $content = ''; if (!empty($searchcriteria)) { // print search results $displayoptions = array('sort' => array('displayname' => 1)); // take the current page and number of results per page from query $perpage = optional_param('perpage', 0, PARAM_RAW); if ($perpage !== 'all') { $displayoptions['limit'] = ((int)$perpage <= 0) ? $CFG->coursesperpage : (int)$perpage; $page = optional_param('page', 0, PARAM_INT); $displayoptions['offset'] = $displayoptions['limit'] * $page; } // options 'paginationurl' and 'paginationallowall' are only used in method coursecat_courses() $displayoptions['paginationurl'] = new moodle_url('/course/search.php', $searchcriteria); $displayoptions['paginationallowall'] = true; // allow adding link 'View all' $class = 'course-search-result'; foreach ($searchcriteria as $key => $value) { if (!empty($value)) { $class .= ' course-search-result-'. $key; } } $chelper = new coursecat_helper(); $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT)-> set_courses_display_options($displayoptions)-> set_search_criteria($searchcriteria)-> set_attributes(array('class' => $class)); $courses = core_course_category::search_courses($searchcriteria, $chelper->get_courses_display_options()); $totalcount = core_course_category::search_courses_count($searchcriteria); $courseslist = $this->coursecat_courses($chelper, $courses, $totalcount); if (!$totalcount) { if (!empty($searchcriteria['search'])) { $content .= $this->heading(get_string('nocoursesfound', '', $searchcriteria['search'])); } else { $content .= $this->heading(get_string('novalidcourses')); } } else { $content .= $this->heading(get_string('searchresults'). ": $totalcount"); $content .= $courseslist; } if (!empty($searchcriteria['search'])) { // print search form only if there was a search by search string, otherwise it is confusing $content .= $this->box_start('generalbox mdl-align'); $content .= $this->course_search_form($searchcriteria['search']); $content .= $this->box_end(); } } else { // just print search form $content .= $this->box_start('generalbox mdl-align'); $content .= $this->course_search_form(); $content .= $this->box_end(); } return $content; } /** * Renders html to print list of courses tagged with particular tag * * @param int $tagid id of the tag * @param bool $exclusivemode if set to true it means that no other entities tagged with this tag * are displayed on the page and the per-page limit may be bigger * @param int $fromctx context id where the link was displayed, may be used by callbacks * to display items in the same context first * @param int $ctx context id where to search for records * @param bool $rec search in subcontexts as well * @param array $displayoptions * @return string empty string if no courses are marked with this tag or rendered list of courses */ public function tagged_courses($tagid, $exclusivemode = true, $ctx = 0, $rec = true, $displayoptions = null) { global $CFG; if (empty($displayoptions)) { $displayoptions = array(); } $showcategories = !core_course_category::is_simple_site(); $displayoptions += array('limit' => $CFG->coursesperpage, 'offset' => 0); $chelper = new coursecat_helper(); $searchcriteria = array('tagid' => $tagid, 'ctx' => $ctx, 'rec' => $rec); $chelper->set_show_courses($showcategories ? self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT : self::COURSECAT_SHOW_COURSES_EXPANDED)-> set_search_criteria($searchcriteria)-> set_courses_display_options($displayoptions)-> set_attributes(array('class' => 'course-search-result course-search-result-tagid')); // (we set the same css class as in search results by tagid) if ($totalcount = core_course_category::search_courses_count($searchcriteria)) { $courses = core_course_category::search_courses($searchcriteria, $chelper->get_courses_display_options()); if ($exclusivemode) { return $this->coursecat_courses($chelper, $courses, $totalcount); } else { $tagfeed = new core_tag\output\tagfeed(); $img = $this->output->pix_icon('i/course', ''); foreach ($courses as $course) { $url = course_get_url($course); $imgwithlink = html_writer::link($url, $img); $coursename = html_writer::link($url, $course->get_formatted_name()); $details = ''; if ($showcategories && ($cat = core_course_category::get($course->category, IGNORE_MISSING))) { $details = get_string('category').': '. html_writer::link(new moodle_url('/course/index.php', array('categoryid' => $cat->id)), $cat->get_formatted_name(), array('class' => $cat->visible ? '' : 'dimmed')); } $tagfeed->add($imgwithlink, $coursename, $details); } return $this->output->render_from_template('core_tag/tagfeed', $tagfeed->export_for_template($this->output)); } } return ''; } /** * Returns HTML to display one remote course * * @param stdClass $course remote course information, contains properties: id, remoteid, shortname, fullname, hostid, summary, summaryformat, cat_name, hostname * @return string */ protected function frontpage_remote_course(stdClass $course) { $url = new moodle_url('/auth/mnet/jump.php', array( 'hostid' => $course->hostid, 'wantsurl' => '/course/view.php?id='. $course->remoteid )); $output = ''; $output .= html_writer::start_tag('div', array('class' => 'coursebox remotecoursebox clearfix')); $output .= html_writer::start_tag('div', array('class' => 'info')); $output .= html_writer::start_tag('h3', array('class' => 'name')); $output .= html_writer::link($url, format_string($course->fullname), array('title' => get_string('entercourse'))); $output .= html_writer::end_tag('h3'); // .name $output .= html_writer::tag('div', '', array('class' => 'moreinfo')); $output .= html_writer::end_tag('div'); // .info $output .= html_writer::start_tag('div', array('class' => 'content')); $output .= html_writer::start_tag('div', array('class' => 'summary')); $options = new stdClass(); $options->noclean = true; $options->para = false; $options->overflowdiv = true; $output .= format_text($course->summary, $course->summaryformat, $options); $output .= html_writer::end_tag('div'); // .summary $addinfo = format_string($course->hostname) . ' : ' . format_string($course->cat_name) . ' : ' . format_string($course->shortname); $output .= html_writer::tag('div', $addinfo, array('class' => 'remotecourseinfo')); $output .= html_writer::end_tag('div'); // .content $output .= html_writer::end_tag('div'); // .coursebox return $output; } /** * Returns HTML to display one remote host * * @param array $host host information, contains properties: name, url, count * @return string */ protected function frontpage_remote_host($host) { $output = ''; $output .= html_writer::start_tag('div', array('class' => 'coursebox remotehost clearfix')); $output .= html_writer::start_tag('div', array('class' => 'info')); $output .= html_writer::start_tag('h3', array('class' => 'name')); $output .= html_writer::link($host['url'], s($host['name']), array('title' => s($host['name']))); $output .= html_writer::end_tag('h3'); // .name $output .= html_writer::tag('div', '', array('class' => 'moreinfo')); $output .= html_writer::end_tag('div'); // .info $output .= html_writer::start_tag('div', array('class' => 'content')); $output .= html_writer::start_tag('div', array('class' => 'summary')); $output .= $host['count'] . ' ' . get_string('courses'); $output .= html_writer::end_tag('div'); // .content $output .= html_writer::end_tag('div'); // .coursebox return $output; } /** * Returns HTML to print list of courses user is enrolled to for the frontpage * * Also lists remote courses or remote hosts if MNET authorisation is used * * @return string */ public function frontpage_my_courses() { global $USER, $CFG, $DB; if (!isloggedin() or isguestuser()) { return ''; } $output = ''; $courses = enrol_get_my_courses('summary, summaryformat'); $rhosts = array(); $rcourses = array(); if (!empty($CFG->mnet_dispatcher_mode) && $CFG->mnet_dispatcher_mode==='strict') { $rcourses = get_my_remotecourses($USER->id); $rhosts = get_my_remotehosts(); } if (!empty($courses) || !empty($rcourses) || !empty($rhosts)) { $chelper = new coursecat_helper(); $totalcount = count($courses); if (count($courses) > $CFG->frontpagecourselimit) { // There are more enrolled courses than we can display, display link to 'My courses'. $courses = array_slice($courses, 0, $CFG->frontpagecourselimit, true); $chelper->set_courses_display_options(array( 'viewmoreurl' => new moodle_url('/my/'), 'viewmoretext' => new lang_string('mycourses') )); } else if (core_course_category::top()->is_uservisible()) { // All enrolled courses are displayed, display link to 'All courses' if there are more courses in system. $chelper->set_courses_display_options(array( 'viewmoreurl' => new moodle_url('/course/index.php'), 'viewmoretext' => new lang_string('fulllistofcourses') )); $totalcount = $DB->count_records('course') - 1; } $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED)-> set_attributes(array('class' => 'frontpage-course-list-enrolled')); $output .= $this->coursecat_courses($chelper, $courses, $totalcount); // MNET if (!empty($rcourses)) { // at the IDP, we know of all the remote courses $output .= html_writer::start_tag('div', array('class' => 'courses')); foreach ($rcourses as $course) { $output .= $this->frontpage_remote_course($course); } $output .= html_writer::end_tag('div'); // .courses } elseif (!empty($rhosts)) { // non-IDP, we know of all the remote servers, but not courses $output .= html_writer::start_tag('div', array('class' => 'courses')); foreach ($rhosts as $host) { $output .= $this->frontpage_remote_host($host); } $output .= html_writer::end_tag('div'); // .courses } } return $output; } /** * Returns HTML to print list of available courses for the frontpage * * @return string */ public function frontpage_available_courses() { global $CFG; $chelper = new coursecat_helper(); $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED)-> set_courses_display_options(array( 'recursive' => true, 'limit' => $CFG->frontpagecourselimit, 'viewmoreurl' => new moodle_url('/course/index.php'), 'viewmoretext' => new lang_string('fulllistofcourses'))); $chelper->set_attributes(array('class' => 'frontpage-course-list-all')); $courses = core_course_category::top()->get_courses($chelper->get_courses_display_options()); $totalcount = core_course_category::top()->get_courses_count($chelper->get_courses_display_options()); if (!$totalcount && !$this->page->user_is_editing() && has_capability('moodle/course:create', context_system::instance())) { // Print link to create a new course, for the 1st available category. return $this->add_new_course_button(); } return $this->coursecat_courses($chelper, $courses, $totalcount); } /** * Returns HTML to the "add new course" button for the page * * @return string */ public function add_new_course_button() { global $CFG; // Print link to create a new course, for the 1st available category. $output = $this->container_start('buttons'); $url = new moodle_url('/course/edit.php', array('category' => $CFG->defaultrequestcategory, 'returnto' => 'topcat')); $output .= $this->single_button($url, get_string('addnewcourse'), 'get'); $output .= $this->container_end('buttons'); return $output; } /** * Returns HTML to print tree with course categories and courses for the frontpage * * @return string */ public function frontpage_combo_list() { global $CFG; // TODO MDL-10965 improve. $tree = core_course_category::top(); if (!$tree->get_children_count()) { return ''; } $chelper = new coursecat_helper(); $chelper->set_subcat_depth($CFG->maxcategorydepth)-> set_categories_display_options(array( 'limit' => $CFG->coursesperpage, 'viewmoreurl' => new moodle_url('/course/index.php', array('browse' => 'categories', 'page' => 1)) ))-> set_courses_display_options(array( 'limit' => $CFG->coursesperpage, 'viewmoreurl' => new moodle_url('/course/index.php', array('browse' => 'courses', 'page' => 1)) ))-> set_attributes(array('class' => 'frontpage-category-combo')); return $this->coursecat_tree($chelper, $tree); } /** * Returns HTML to print tree of course categories (with number of courses) for the frontpage * * @return string */ public function frontpage_categories_list() { global $CFG; // TODO MDL-10965 improve. $tree = core_course_category::top(); if (!$tree->get_children_count()) { return ''; } $chelper = new coursecat_helper(); $chelper->set_subcat_depth($CFG->maxcategorydepth)-> set_show_courses(self::COURSECAT_SHOW_COURSES_COUNT)-> set_categories_display_options(array( 'limit' => $CFG->coursesperpage, 'viewmoreurl' => new moodle_url('/course/index.php', array('browse' => 'categories', 'page' => 1)) ))-> set_attributes(array('class' => 'frontpage-category-names')); return $this->coursecat_tree($chelper, $tree); } /** * Renders the activity navigation. * * Defer to template. * * @param \core_course\output\activity_navigation $page * @return string html for the page */ public function render_activity_navigation(\core_course\output\activity_navigation $page) { $data = $page->export_for_template($this->output); return $this->output->render_from_template('core_course/activity_navigation', $data); } /** * Display waiting information about backup size during uploading backup process * @param object $backupfile the backup stored_file * @return $html string */ public function sendingbackupinfo($backupfile) { $sizeinfo = new stdClass(); $sizeinfo->total = number_format($backupfile->get_filesize() / 1000000, 2); $html = html_writer::tag('div', get_string('sendingsize', 'hub', $sizeinfo), array('class' => 'courseuploadtextinfo')); return $html; } /** * Hub information (logo - name - description - link) * @param object $hubinfo * @return string html code */ public function hubinfo($hubinfo) { $screenshothtml = html_writer::empty_tag('img', array('src' => $hubinfo['imgurl'], 'alt' => $hubinfo['name'])); $hubdescription = html_writer::tag('div', $screenshothtml, array('class' => 'hubscreenshot')); $hubdescription .= html_writer::tag('a', $hubinfo['name'], array('class' => 'hublink', 'href' => $hubinfo['url'], 'onclick' => 'this.target="_blank"')); $hubdescription .= html_writer::tag('div', format_text($hubinfo['description'], FORMAT_PLAIN), array('class' => 'hubdescription')); $hubdescription = html_writer::tag('div', $hubdescription, array('class' => 'hubinfo clearfix')); return $hubdescription; } /** * Output frontpage summary text and frontpage modules (stored as section 1 in site course) * * This may be disabled in settings * * @return string */ public function frontpage_section1() { global $SITE, $USER; $output = ''; $editing = $this->page->user_is_editing(); if ($editing) { // Make sure section with number 1 exists. course_create_sections_if_missing($SITE, 1); } $modinfo = get_fast_modinfo($SITE); $section = $modinfo->get_section_info(1); if (($section && (!empty($modinfo->sections[1]) or !empty($section->summary))) or $editing) { $output .= $this->box_start('generalbox sitetopic'); // If currently moving a file then show the current clipboard. if (ismoving($SITE->id)) { $stractivityclipboard = strip_tags(get_string('activityclipboard', '', $USER->activitycopyname)); $output .= '<p><font size="2">'; $cancelcopyurl = new moodle_url('/course/mod.php', ['cancelcopy' => 'true', 'sesskey' => sesskey()]); $output .= "$stractivityclipboard (" . html_writer::link($cancelcopyurl, get_string('cancel')) .')'; $output .= '</font></p>'; } $context = context_course::instance(SITEID); // If the section name is set we show it. if (trim($section->name) !== '') { $output .= $this->heading( format_string($section->name, true, array('context' => $context)), 2, 'sectionname' ); } $summarytext = file_rewrite_pluginfile_urls($section->summary, 'pluginfile.php', $context->id, 'course', 'section', $section->id); $summaryformatoptions = new stdClass(); $summaryformatoptions->noclean = true; $summaryformatoptions->overflowdiv = true; $output .= format_text($summarytext, $section->summaryformat, $summaryformatoptions); if ($editing && has_capability('moodle/course:update', $context)) { $streditsummary = get_string('editsummary'); $editsectionurl = new moodle_url('/course/editsection.php', ['id' => $section->id]); $output .= html_writer::link($editsectionurl, $this->pix_icon('t/edit', $streditsummary)) . "<br /><br />"; } $output .= $this->course_section_cm_list($SITE, $section); $output .= $this->course_section_add_cm_control($SITE, $section->section); $output .= $this->box_end(); } return $output; } /** * Output news for the frontpage (extract from site-wide news forum) * * @param stdClass $forum record from db table 'forum' that represents the site news forum * @return string */ protected function frontpage_news($forum) { global $CFG, $SITE, $SESSION, $USER; require_once($CFG->dirroot .'/mod/forum/lib.php'); $output = ''; if (isloggedin()) { $SESSION->fromdiscussion = $CFG->wwwroot; $subtext = ''; if (\mod_forum\subscriptions::is_subscribed($USER->id, $forum)) { if (!\mod_forum\subscriptions::is_forcesubscribed($forum)) { $subtext = get_string('unsubscribe', 'forum'); } } else { $subtext = get_string('subscribe', 'forum'); } $suburl = new moodle_url('/mod/forum/subscribe.php', array('id' => $forum->id, 'sesskey' => sesskey())); $output .= html_writer::tag('div', html_writer::link($suburl, $subtext), array('class' => 'subscribelink')); } $coursemodule = get_coursemodule_from_instance('forum', $forum->id); $context = context_module::instance($coursemodule->id); $entityfactory = mod_forum\local\container::get_entity_factory(); $forumentity = $entityfactory->get_forum_from_stdclass($forum, $context, $coursemodule, $SITE); $rendererfactory = mod_forum\local\container::get_renderer_factory(); $discussionsrenderer = $rendererfactory->get_frontpage_news_discussion_list_renderer($forumentity); $cm = \cm_info::create($coursemodule); return $output . $discussionsrenderer->render($USER, $cm, null, null, 0, $SITE->newsitems); } /** * Renders part of frontpage with a skip link (i.e. "My courses", "Site news", etc.) * * @param string $skipdivid * @param string $contentsdivid * @param string $header Header of the part * @param string $contents Contents of the part * @return string */ protected function frontpage_part($skipdivid, $contentsdivid, $header, $contents) { if (strval($contents) === '') { return ''; } $output = html_writer::link('#' . $skipdivid, get_string('skipa', 'access', core_text::strtolower(strip_tags($header))), array('class' => 'skip-block skip')); // Wrap frontpage part in div container. $output .= html_writer::start_tag('div', array('id' => $contentsdivid)); $output .= $this->heading($header); $output .= $contents; // End frontpage part div container. $output .= html_writer::end_tag('div'); $output .= html_writer::tag('span', '', array('class' => 'skip-block-to', 'id' => $skipdivid)); return $output; } /** * Outputs contents for frontpage as configured in $CFG->frontpage or $CFG->frontpageloggedin * * @return string */ public function frontpage() { global $CFG, $SITE; $output = ''; if (isloggedin() and !isguestuser() and isset($CFG->frontpageloggedin)) { $frontpagelayout = $CFG->frontpageloggedin; } else { $frontpagelayout = $CFG->frontpage; } foreach (explode(',', $frontpagelayout) as $v) { switch ($v) { // Display the main part of the front page. case FRONTPAGENEWS: if ($SITE->newsitems) { // Print forums only when needed. require_once($CFG->dirroot .'/mod/forum/lib.php'); if (($newsforum = forum_get_course_forum($SITE->id, 'news')) && ($forumcontents = $this->frontpage_news($newsforum))) { $newsforumcm = get_fast_modinfo($SITE)->instances['forum'][$newsforum->id]; $output .= $this->frontpage_part('skipsitenews', 'site-news-forum', $newsforumcm->get_formatted_name(), $forumcontents); } } break; case FRONTPAGEENROLLEDCOURSELIST: $mycourseshtml = $this->frontpage_my_courses(); if (!empty($mycourseshtml)) { $output .= $this->frontpage_part('skipmycourses', 'frontpage-course-list', get_string('mycourses'), $mycourseshtml); } break; case FRONTPAGEALLCOURSELIST: $availablecourseshtml = $this->frontpage_available_courses(); $output .= $this->frontpage_part('skipavailablecourses', 'frontpage-available-course-list', get_string('availablecourses'), $availablecourseshtml); break; case FRONTPAGECATEGORYNAMES: $output .= $this->frontpage_part('skipcategories', 'frontpage-category-names', get_string('categories'), $this->frontpage_categories_list()); break; case FRONTPAGECATEGORYCOMBO: $output .= $this->frontpage_part('skipcourses', 'frontpage-category-combo', get_string('courses'), $this->frontpage_combo_list()); break; case FRONTPAGECOURSESEARCH: $output .= $this->box($this->course_search_form('', 'short'), 'mdl-align'); break; } $output .= '<br />'; } return $output; } } /** * Class storing display options and functions to help display course category and/or courses lists * * This is a wrapper for core_course_category objects that also stores display options * and functions to retrieve sorted and paginated lists of categories/courses. * * If theme overrides methods in core_course_renderers that access this class * it may as well not use this class at all or extend it. * * @package core * @copyright 2013 Marina Glancy * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class coursecat_helper { /** @var string [none, collapsed, expanded] how (if) display courses list */ protected $showcourses = 10; /* core_course_renderer::COURSECAT_SHOW_COURSES_COLLAPSED */ /** @var int depth to expand subcategories in the tree (deeper subcategories will be loaded by AJAX or proceed to category page by clicking on category name) */ protected $subcatdepth = 1; /** @var array options to display courses list */ protected $coursesdisplayoptions = array(); /** @var array options to display subcategories list */ protected $categoriesdisplayoptions = array(); /** @var array additional HTML attributes */ protected $attributes = array(); /** @var array search criteria if the list is a search result */ protected $searchcriteria = null; /** * Sets how (if) to show the courses - none, collapsed, expanded, etc. * * @param int $showcourses SHOW_COURSES_NONE, SHOW_COURSES_COLLAPSED, SHOW_COURSES_EXPANDED, etc. * @return coursecat_helper */ public function set_show_courses($showcourses) { $this->showcourses = $showcourses; // Automatically set the options to preload summary and coursecontacts for core_course_category::get_courses() // and core_course_category::search_courses(). $this->coursesdisplayoptions['summary'] = $showcourses >= core_course_renderer::COURSECAT_SHOW_COURSES_AUTO; $this->coursesdisplayoptions['coursecontacts'] = $showcourses >= core_course_renderer::COURSECAT_SHOW_COURSES_EXPANDED; $this->coursesdisplayoptions['customfields'] = $showcourses >= core_course_renderer::COURSECAT_SHOW_COURSES_COLLAPSED; return $this; } /** * Returns how (if) to show the courses - none, collapsed, expanded, etc. * * @return int - COURSECAT_SHOW_COURSES_NONE, COURSECAT_SHOW_COURSES_COLLAPSED, COURSECAT_SHOW_COURSES_EXPANDED, etc. */ public function get_show_courses() { return $this->showcourses; } /** * Sets the maximum depth to expand subcategories in the tree * * deeper subcategories may be loaded by AJAX or proceed to category page by clicking on category name * * @param int $subcatdepth * @return coursecat_helper */ public function set_subcat_depth($subcatdepth) { $this->subcatdepth = $subcatdepth; return $this; } /** * Returns the maximum depth to expand subcategories in the tree * * deeper subcategories may be loaded by AJAX or proceed to category page by clicking on category name * * @return int */ public function get_subcat_depth() { return $this->subcatdepth; } /** * Sets options to display list of courses * * Options are later submitted as argument to core_course_category::get_courses() and/or core_course_category::search_courses() * * Options that core_course_category::get_courses() accept: * - recursive - return courses from subcategories as well. Use with care, * this may be a huge list! * - summary - preloads fields 'summary' and 'summaryformat' * - coursecontacts - preloads course contacts * - customfields - preloads custom fields data * - isenrolled - preloads indication whether this user is enrolled in the course * - sort - list of fields to sort. Example * array('idnumber' => 1, 'shortname' => 1, 'id' => -1) * will sort by idnumber asc, shortname asc and id desc. * Default: array('sortorder' => 1) * Only cached fields may be used for sorting! * - offset * - limit - maximum number of children to return, 0 or null for no limit * * Options summary and coursecontacts are filled automatically in the set_show_courses() * * Also renderer can set here any additional options it wants to pass between renderer functions. * * @param array $options * @return coursecat_helper */ public function set_courses_display_options($options) { $this->coursesdisplayoptions = $options; $this->set_show_courses($this->showcourses); // this will calculate special display options return $this; } /** * Sets one option to display list of courses * * @see coursecat_helper::set_courses_display_options() * * @param string $key * @param mixed $value * @return coursecat_helper */ public function set_courses_display_option($key, $value) { $this->coursesdisplayoptions[$key] = $value; return $this; } /** * Return the specified option to display list of courses * * @param string $optionname option name * @param mixed $defaultvalue default value for option if it is not specified * @return mixed */ public function get_courses_display_option($optionname, $defaultvalue = null) { if (array_key_exists($optionname, $this->coursesdisplayoptions)) { return $this->coursesdisplayoptions[$optionname]; } else { return $defaultvalue; } } /** * Returns all options to display the courses * * This array is usually passed to {@link core_course_category::get_courses()} or * {@link core_course_category::search_courses()} * * @return array */ public function get_courses_display_options() { return $this->coursesdisplayoptions; } /** * Sets options to display list of subcategories * * Options 'sort', 'offset' and 'limit' are passed to core_course_category::get_children(). * Any other options may be used by renderer functions * * @param array $options * @return coursecat_helper */ public function set_categories_display_options($options) { $this->categoriesdisplayoptions = $options; return $this; } /** * Return the specified option to display list of subcategories * * @param string $optionname option name * @param mixed $defaultvalue default value for option if it is not specified * @return mixed */ public function get_categories_display_option($optionname, $defaultvalue = null) { if (array_key_exists($optionname, $this->categoriesdisplayoptions)) { return $this->categoriesdisplayoptions[$optionname]; } else { return $defaultvalue; } } /** * Returns all options to display list of subcategories * * This array is usually passed to {@link core_course_category::get_children()} * * @return array */ public function get_categories_display_options() { return $this->categoriesdisplayoptions; } /** * Sets additional general options to pass between renderer functions, usually HTML attributes * * @param array $attributes * @return coursecat_helper */ public function set_attributes($attributes) { $this->attributes = $attributes; return $this; } /** * Return all attributes and erases them so they are not applied again * * @param string $classname adds additional class name to the beginning of $attributes['class'] * @return array */ public function get_and_erase_attributes($classname) { $attributes = $this->attributes; $this->attributes = array(); if (empty($attributes['class'])) { $attributes['class'] = ''; } $attributes['class'] = $classname . ' '. $attributes['class']; return $attributes; } /** * Sets the search criteria if the course is a search result * * Search string will be used to highlight terms in course name and description * * @param array $searchcriteria * @return coursecat_helper */ public function set_search_criteria($searchcriteria) { $this->searchcriteria = $searchcriteria; return $this; } /** * Returns formatted and filtered description of the given category * * @param core_course_category $coursecat category * @param stdClass|array $options format options, by default [noclean,overflowdiv], * if context is not specified it will be added automatically * @return string|null */ public function get_category_formatted_description($coursecat, $options = null) { if ($coursecat->id && $coursecat->is_uservisible() && !empty($coursecat->description)) { if (!isset($coursecat->descriptionformat)) { $descriptionformat = FORMAT_MOODLE; } else { $descriptionformat = $coursecat->descriptionformat; } if ($options === null) { $options = array('noclean' => true, 'overflowdiv' => true); } else { $options = (array)$options; } $context = context_coursecat::instance($coursecat->id); if (!isset($options['context'])) { $options['context'] = $context; } $text = file_rewrite_pluginfile_urls($coursecat->description, 'pluginfile.php', $context->id, 'coursecat', 'description', null); return format_text($text, $descriptionformat, $options); } return null; } /** * Returns given course's summary with proper embedded files urls and formatted * * @param core_course_list_element $course * @param array|stdClass $options additional formatting options * @return string */ public function get_course_formatted_summary($course, $options = array()) { global $CFG; require_once($CFG->libdir. '/filelib.php'); if (!$course->has_summary()) { return ''; } $options = (array)$options; $context = context_course::instance($course->id); if (!isset($options['context'])) { // TODO see MDL-38521 // option 1 (current), page context - no code required // option 2, system context // $options['context'] = context_system::instance(); // option 3, course context: // $options['context'] = $context; // option 4, course category context: // $options['context'] = $context->get_parent_context(); } $summary = file_rewrite_pluginfile_urls($course->summary, 'pluginfile.php', $context->id, 'course', 'summary', null); $summary = format_text($summary, $course->summaryformat, $options, $course->id); if (!empty($this->searchcriteria['search'])) { $summary = highlight($this->searchcriteria['search'], $summary); } return $summary; } /** * Returns course name as it is configured to appear in courses lists formatted to course context * * @param core_course_list_element $course * @param array|stdClass $options additional formatting options * @return string */ public function get_course_formatted_name($course, $options = array()) { $options = (array)$options; if (!isset($options['context'])) { $options['context'] = context_course::instance($course->id); } $name = format_string(get_course_display_name_for_list($course), true, $options); if (!empty($this->searchcriteria['search'])) { $name = highlight($this->searchcriteria['search'], $name); } return $name; } }