theme/afterburner/renderers.php

   1 <?php
   2
   3 class theme_afterburner_core_renderer extends core_renderer {
   4
   5     /**
   6      * Renders a custom menu object (located in outputcomponents.php)
   7      *
   8      * The custom menu this method override the render_custom_menu function
   9      * in outputrenderers.php
  10      * @staticvar int $menucount
  11      * @param custom_menu $menu
  12      * @return string
  13      */
  14     protected function render_custom_menu(custom_menu $menu) {
  15
  16         // If the menu has no children return an empty string
  17         if (!$menu->has_children()) {
  18             return '';
  19         }
  20
  21         // Add a login or logout link
  22         if (isloggedin()) {
  23             $branchlabel = get_string('logout');
  24             $branchurl   = new moodle_url('/login/logout.php');
  25         } else {
  26             $branchlabel = get_string('login');
  27             $branchurl   = new moodle_url('/login/index.php');
  28         }
  29         $branch = $menu->add($branchlabel, $branchurl, $branchlabel, -1);
  30
  31         // Initialise this custom menu
  32         $content = html_writer::start_tag('ul', array('class'=>'dropdown dropdown-horizontal'));
  33         // Render each child
  34         foreach ($menu->get_children() as $item) {
  35             $content .= $this->render_custom_menu_item($item);
  36         }
  37         // Close the open tags
  38         $content .= html_writer::end_tag('ul');
  39         // Return the custom menu
  40         return $content;
  41     }
  42
  43     /**
  44      * Renders a custom menu node as part of a submenu
  45      *
  46      * The custom menu this method override the render_custom_menu_item function
  47      * in outputrenderers.php
  48      *
  49      * @see render_custom_menu()
  50      *
  51      * @staticvar int $submenucount
  52      * @param custom_menu_item $menunode
  53      * @return string
  54      */
  55     protected function render_custom_menu_item(custom_menu_item $menunode) {
  56         // Required to ensure we get unique trackable id's
  57         static $submenucount = 0;
  58         $content = html_writer::start_tag('li');
  59         if ($menunode->has_children()) {
  60             // If the child has menus render it as a sub menu
  61             $submenucount++;
  62             if ($menunode->get_url() !== null) {
  63                 $url = $menunode->get_url();
  64             } else {
  65                 $url = '#cm_submenu_'.$submenucount;
  66             }
  67             $content .= html_writer::start_tag('span', array('class'=>'customitem'));
  68             $content .= html_writer::link($url, $menunode->get_text(), array('title'=>$menunode->get_title()));
  69             $content .= html_writer::end_tag('span');
  70             $content .= html_writer::start_tag('ul');
  71             foreach ($menunode->get_children() as $menunode) {
  72                 $content .= $this->render_custom_menu_item($menunode);
  73             }
  74             $content .= html_writer::end_tag('ul');
  75         } else {
  76             // The node doesn't have children so produce a final menuitem
  77
  78             if ($menunode->get_url() !== null) {
  79                 $url = $menunode->get_url();
  80             } else {
  81                 $url = '#';
  82             }
  83             $content .= html_writer::link($url, $menunode->get_text(), array('title'=>$menunode->get_title()));
  84         }
  85         $content .= html_writer::end_tag('li');
  86         // Return the sub menu
  87         return $content;
  88     }
  89
  90     /**
  91      * Copied from core_renderer with one minor change - changed $this->output->render() call to $this->render()
  92      *
  93      * @param navigation_node $item
  94      * @return string
  95      */
  96     protected function render_navigation_node(navigation_node $item) {
  97         $content = $item->get_content();
  98         $title = $item->get_title();
  99         if ($item->icon instanceof renderable && !$item->hideicon) {
 100             $icon = $this->render($item->icon);
 101             $content = $icon.$content; // use CSS for spacing of icons
 102         }
 103         if ($item->helpbutton !== null) {
 104             $content = trim($item->helpbutton).html_writer::tag('span', $content, array('class'=>'clearhelpbutton'));
 105         }
 106         if ($content === '') {
 107             return '';
 108         }
 109         if ($item->action instanceof action_link) {
 110             //adds class dimmed to hidden courses and categories
 111             $link = $item->action;
 112             if ($item->hidden) {
 113                 $link->add_class('dimmed');
 114             }
 115             $content = $this->render($link);
 116         } else if ($item->action instanceof moodle_url) {
 117             $attributes = array();
 118             if ($title !== '') {
 119                 $attributes['title'] = $title;
 120             }
 121             if ($item->hidden) {
 122                 $attributes['class'] = 'dimmed_text';
 123             }
 124             $content = html_writer::link($item->action, $content, $attributes);
 125
 126         } else if (is_string($item->action) || empty($item->action)) {
 127             $attributes = array();
 128             if ($title !== '') {
 129                 $attributes['title'] = $title;
 130             }
 131             if ($item->hidden) {
 132                 $attributes['class'] = 'dimmed_text';
 133             }
 134             $content = html_writer::tag('span', $content, $attributes);
 135         }
 136         return $content;
 137     }
 138
 139 }