PHP coursecat::get_courses_count方法代码示例

 /**
  * Renders pagination for a course listing.
  *
  * @param coursecat $category The category to produce pagination for.
  * @param int $page The current page.
  * @param int $perpage The number of courses to display per page.
  * @param bool $showtotals Set to true to show the total number of courses and what is being displayed.
  * @return string
  */
 protected function listing_pagination(coursecat $category, $page, $perpage, $showtotals = false)
 {
     $html = '';
     $totalcourses = $category->get_courses_count();
     $totalpages = ceil($totalcourses / $perpage);
     if ($showtotals) {
         if ($totalpages == 0) {
             $str = get_string('nocoursesyet');
         } else {
             if ($totalpages == 1) {
                 $str = get_string('showingacourses', 'moodle', $totalcourses);
             } else {
                 $a = new stdClass();
                 $a->start = $page * $perpage + 1;
                 $a->end = min(($page + 1) * $perpage, $totalcourses);
                 $a->total = $totalcourses;
                 $str = get_string('showingxofycourses', 'moodle', $a);
             }
         }
         $html .= html_writer::div($str, 'listing-pagination-totals dimmed');
     }
     if ($totalcourses <= $perpage) {
         return $html;
     }
     $aside = 2;
     $span = $aside * 2 + 1;
     $start = max($page - $aside, 0);
     $end = min($page + $aside, $totalpages - 1);
     if ($end - $start < $span) {
         if ($start == 0) {
             $end = min($totalpages - 1, $span - 1);
         } else {
             if ($end == $totalpages - 1) {
                 $start = max(0, $end - $span + 1);
             }
         }
     }
     $items = array();
     $baseurl = new moodle_url('/course/management.php', array('categoryid' => $category->id));
     if ($page > 0) {
         $items[] = $this->action_button(new moodle_url($baseurl, array('page' => 0)), get_string('first'));
         $items[] = $this->action_button(new moodle_url($baseurl, array('page' => $page - 1)), get_string('prev'));
         $items[] = '...';
     }
     for ($i = $start; $i <= $end; $i++) {
         $class = '';
         if ($page == $i) {
             $class = 'active-page';
         }
         $pageurl = new moodle_url($baseurl, array('page' => $i));
         $items[] = $this->action_button($pageurl, $i + 1, null, $class, get_string('pagea', 'moodle', $i + 1));
     }
     if ($page < $totalpages - 1) {
         $items[] = '...';
         $items[] = $this->action_button(new moodle_url($baseurl, array('page' => $page + 1)), get_string('next'));
         $items[] = $this->action_button(new moodle_url($baseurl, array('page' => $totalpages - 1)), get_string('last'));
     }
     $html .= html_writer::div(join('', $items), 'listing-pagination');
     return $html;
 }

 /**
  * 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 coursecat $coursecat
  * @param int $depth depth of this category in the current tree
  * @return string
  */
 protected function coursecat_category(coursecat_helper $chelper, $coursecat, $depth)
 {
     global $CFG, $OUTPUT;
     // 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';
         }
     }
     $classes[] = 'essentialcats';
     if (intval($CFG->version) >= 2013111800) {
         // 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' => $chelper->get_show_courses(), 'data-type' => self::COURSECAT_TYPE_CATEGORY));
     if ($chelper->get_show_courses() == self::COURSECAT_SHOW_COURSES_COUNT) {
         $coursescount = $coursecat->get_courses_count();
         $content .= html_writer::tag('span', ' (' . $coursescount . ')', array('title' => get_string('numberofcourses'), 'class' => 'numberofcourse'));
     }
     // category name
     $categoryname = html_writer::tag('span', $coursecat->get_formatted_name());
     $categoryiconnum = 'categoryicon' . $coursecat->id;
     // Do a settings check to output our icon for the category
     if ($OUTPUT->get_setting('enablecategoryicon')) {
         if ($OUTPUT->get_setting($categoryiconnum) && $OUTPUT->get_setting('enablecustomcategoryicon')) {
             // User has set a value for the category
             $val = $OUTPUT->get_setting($categoryiconnum);
         } else {
             // User hasn't set a value for the category, get the default
             $val = $OUTPUT->get_setting('defaultcategoryicon');
         }
     }
     if (!empty($val)) {
         $icon = html_writer::tag('i', '', array('class' => 'fa fa-' . $val));
     } else {
         $icon = '';
     }
     $categoryname = html_writer::link(new moodle_url('/course/index.php', array('categoryid' => $coursecat->id)), $icon . $categoryname);
     $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 $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 coursecat $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';
         }
     }
     // 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 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 coursecat $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('/local/template_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;
 }