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Mudança na visualização de cursos por categoria

MOODLE_37_STABLE
Matheus Garcia 6 years ago
parent
c0ce11e4a2
commit
cac2cf0c0b
1 changed files with 303 additions and 36 deletions
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  1. 339
      classes/output/core/course_renderer.php

339
classes/output/core/course_renderer.php
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@ -26,6 +26,11 @@ namespace theme_ilb\output\core;
defined('MOODLE_INTERNAL') || die();
use moodle_url;
use core_course_category;
use core_course_list_element;
use html_writer;
use coursecat_helper;
use stdClass;
require_once($CFG->dirroot . '/course/renderer.php');
@ -36,50 +41,312 @@ require_once($CFG->dirroot . '/course/renderer.php');
* @copyright 2016 Frédéric Massart - FMCorz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_renderer extends \core_course_renderer {
/**
* Class course_renderer
* @package theme_trema
* @copyright 2019 Trema - {@link https://trema.tech/}
* @author Rodrigo Mady
* @author Trevor Furtado
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_renderer extends \core_course_renderer {
/**
* Renders html to display a course search form.
* Renders the list of courses for frontpage and /course
*
* @param string $value default value to populate the search field
* @param string $format display format - 'plain' (default), 'short' or 'navbar'
* 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
*/
public function course_search_form($value = '', $format = 'plain') {
static $count = 0;
$formid = 'coursesearch';
if ((++$count) > 1) {
$formid .= $count;
protected function coursecat_courses(coursecat_helper $chelper, $courses, $totalcount = null) {
global $CFG;
if ($totalcount === null) {
$totalcount = count($courses);
}
switch ($format) {
case 'navbar' :
$formid = 'coursesearchnavbar';
$inputid = 'navsearchbox';
$inputsize = 20;
break;
case 'short' :
$inputid = 'shortsearchbox';
$inputsize = 12;
if (!$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 = 1;
$content .= html_writer::start_tag('div', array('class' => ' row card-deck my-4'));
foreach ($courses as $course) {
$content .= $this->coursecat_coursebox($chelper, $course, 'card mb-3 course-card-view');
$coursecount ++;
}
$content .= html_writer::end_tag('div');
if (!empty($pagingbar)) {
$content .= $pagingbar;
}
if (!empty($morelink)) {
$content .= $morelink;
}
$content .= html_writer::end_tag('div'); // End courses.
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 = '') {
global $CFG;
if (!isset($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 = html_writer::start_tag('div', array('class' => $additionalclasses));
$classes = '';
if ($chelper->get_show_courses() >= self::COURSECAT_SHOW_COURSES_EXPANDED) {
$nametag = 'h5';
} else {
$classes .= ' collapsed';
$nametag = 'div';
}
// End coursebox.
$content .= html_writer::start_tag('div', array(
'class' => $classes,
'data-courseid' => $course->id,
'data-type' => self::COURSECAT_TYPE_COURSE,
));
$content .= $this->coursecat_coursebox_content($chelper, $course);
$content .= html_writer::end_tag('div');
// End coursebox.
$content .= html_writer::end_tag('div');
// End col-md-4.
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, $course) {
if ($course instanceof stdClass) {
$course = new core_course_list_element($course);
}
// Course name.
$coursename = $chelper->get_course_formatted_name($course);
$courseurl = new moodle_url('/course/view.php', array('id' => $course->id));
$coursenamelink = html_writer::link($courseurl,
$coursename, array('class' => $course->visible ? '' : 'dimmed'));
$content = html_writer::start_tag('a', array ('href' => $courseurl, 'class' => 'course-card-img'));
$content .= $this->get_course_summary_image($course);
$content .= html_writer::end_tag('a');
$content .= html_writer::start_tag('div', array('class' => 'card-body'));
$content .= "<h5 class='card-title text-center m-1'>". $coursenamelink ."</h5>";
$content .= html_writer::end_tag('div');
$content .= html_writer::start_tag('div', array('class' => 'card-block text-center'));
// Print enrolmenticons.
if ($icons = enrol_get_course_info_icons($course)) {
foreach ($icons as $pixicon) {
$content .= $this->render($pixicon);
}
}
$content .= html_writer::start_tag('div', array('class' => 'pull-right'));
$content .= html_writer::end_tag('div'); // End pull-right.
$content .= html_writer::end_tag('div'); // End card-block.
// Display course contacts. See core_course_list_element::get_course_contacts().
if ($course->has_course_contacts()) {
$content .= html_writer::start_tag('div', array('class' => 'card-footer teachers'));
$content .= html_writer::start_tag('ul');
foreach ($course->get_course_contacts() as $userid => $coursecontact) {
$name = $coursecontact['rolename'].': '.
html_writer::link(new moodle_url('/user/view.php',
array('id' => $userid, 'course' => SITEID)),
$coursecontact['username']);
$content .= html_writer::tag('li', $name);
}
$content .= html_writer::end_tag('ul'); // End teachers.
$content .= html_writer::end_tag('div'); // End teachers.
}
// Display course category if necessary (for example in search results).
if ($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 text-center'));
$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'));
$content .= html_writer::end_tag('div'); // End coursecat.
}
}
// Display course summary.
if ($course->has_summary()) {
$content .= html_writer::start_tag('div', array('class' => 'card-see-more text-center'));
$content .= html_writer::start_tag('div', array('class' => 'btn btn-secondary m-2',
'id' => "course-popover-{$course->id}", 'role' => 'button', 'data-region' => 'popover-region-toggle',
'data-toggle' => 'popover', 'data-placement' => 'right',
'data-content' => $chelper->get_course_formatted_summary($course,
array('noclean' => true, 'para' => false)), 'data-html' => 'true', 'tabindex' => '0', 'data-trigger' => 'focus'));
$content .= get_string('seemore', 'theme_trema');
$content .= html_writer::end_tag('div');
$content .= html_writer::end_tag('div'); // End summary.
}
return $content;
}
/**
* Returns the first course's summary issue
*
* @param stdClass $course the course object
* @return string
*/
protected function get_course_summary_image($course) {
global $CFG;
$contentimage = '';
foreach ($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) {
$contentimage = html_writer::start_tag('div', array('style' => "background-image:url('$url')",
'class' => 'card-img-top'));
$contentimage .= html_writer::end_tag('div');
break;
default :
$inputid = 'coursesearchbox';
$inputsize = 30;
}
}
$data = (object) [
'searchurl' => (new moodle_url('/course/search.php'))->out(false),
'id' => $formid,
'inputid' => $inputid,
'inputsize' => $inputsize,
'value' => $value
];
if ($format != 'navbar') {
$helpicon = new \help_icon('coursesearch', 'core');
$data->helpicon = $helpicon->export_for_template($this);
if (empty($contentimage)) {
$pattern = new \core_geopattern();
$pattern->setColor($this->coursecolor($course->id));
$pattern->patternbyid($course->id);
$contentimage = html_writer::start_tag('div', array('style' => "background-image:url('{$pattern->datauri()}')",
'class' => 'card-img-top'));
$contentimage .= html_writer::end_tag('div');
}
return $this->render_from_template('theme_ilb/course_search_form', $data);
return $contentimage;
}
/**
* Generate a semi-random color based on the courseid number (so it will always return
* the same color for a course)
*
* @param int $courseid
* @return string $color, hexvalue color code.
*/
protected function coursecolor($courseid) {
// The colour palette is hardcoded for now. It would make sense to combine it with theme settings.
$basecolors = ['#81ecec', '#74b9ff', '#a29bfe', '#dfe6e9', '#00b894', '#0984e3', '#b2bec3',
'#fdcb6e', '#fd79a8', '#6c5ce7'];
$color = $basecolors[$courseid % 10];
return $color;
}
}
// class course_renderer extends \core_course_renderer {
// /**
// * 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 = (object) [
// 'searchurl' => (new moodle_url('/course/search.php'))->out(false),
// 'id' => $formid,
// 'inputid' => $inputid,
// 'inputsize' => $inputsize,
// 'value' => $value
// ];
// if ($format != 'navbar') {
// $helpicon = new \help_icon('coursesearch', 'core');
// $data->helpicon = $helpicon->export_for_template($this);
// }
// return $this->render_from_template('theme_ilb/course_search_form', $data);
// }
// }

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