Add functions needed to process the LP table

See:  6efc436afa

main/lp/learnpath.class.php

@@ -3147,6 +3147,145 @@ class learnpath
         );
     }
 
+    /**
+     * Uses the table generated by get_toc() and returns an HTML-formattedstring ready to display
+     * @return	string	HTML TOC ready to display
+     */
+    public function getParentToc($tree)
+    {
+        if ($this->debug > 0) {
+            error_log('In learnpath::get_html_toc()', 0);
+        }
+        if (empty($tree)) {
+            $tree = $this->get_toc();
+        }
+        $dirTypes = self::getChapterTypes();
+        $myCurrentId = $this->get_current_item_id();
+        $listParent = [];
+        $listChildren = [];
+        $listNotParent = [];
+        $list = [];
+        foreach ($tree as $subtree) {
+            if (in_array($subtree['type'], $dirTypes)){
+                $listChildren = $this->getChildrenToc($tree, $subtree['id']);
+                $subtree['children'] = $listChildren;
+                if (!empty($subtree['children'])) {
+                    foreach ($subtree['children'] as $subItem) {
+                        if ($subItem['id'] == $this->current) {
+                            $subtree['parent_current'] = 'in';
+                            $subtree['current'] = 'on';
+                        }
+                    }
+                }
+                $listParent[] =  $subtree;
+            }
+            if (!in_array($subtree['type'], $dirTypes) && $subtree['parent'] == null ) {
+                $classStatus = [
+                    'not attempted' => 'scorm_not_attempted',
+                    'incomplete' => 'scorm_not_attempted',
+                    'failed' => 'scorm_failed',
+                    'completed' => 'scorm_completed',
+                    'passed' => 'scorm_completed',
+                    'succeeded' => 'scorm_completed',
+                    'browsed' => 'scorm_completed',
+                ];
+
+                if (isset($classStatus[$subtree['status']])) {
+                    $cssStatus = $classStatus[$subtree['status']];
+                }
+
+                $title = Security::remove_XSS($subtree['title']);
+                unset($subtree['title']);
+
+                if (empty ($title)) {
+                    $title = self::rl_get_resource_name(api_get_course_id(), $this->get_id(), $subtree['id']);
+                }
+                $classStyle = null;
+                if ($subtree['id'] == $this->current) {
+                    $classStyle = 'scorm_item_normal '. $classStyle . 'scorm_highlight';
+                } elseif (!in_array($subtree['type'], $dirTypes)) {
+                    $classStyle = 'scorm_item_normal '. $classStyle . ' ';
+                }
+                $subtree['title'] = $title;
+                $subtree['class'] = $cssStatus . ' ' .$classStyle;
+                $subtree['url'] = $this->get_link('http', $subtree['id'], $tree);
+                $subtree['current_id'] = $myCurrentId;
+                $listNotParent[] = $subtree;
+            }
+        }
+
+        $list['are_parents'] = $listParent;
+        $list['not_parents'] = $listNotParent;
+
+        return $list;
+    }
+
+    /**
+     * Uses the table generated by get_toc() and returns an HTML-formattedstring ready to display
+     * @return	string	HTML TOC ready to display
+     */
+    public function getChildrenToc($tree, $id, $parent = true)
+    {
+        if ($this->debug > 0) {
+            error_log('In learnpath::get_html_toc()', 0);
+        }
+        if (empty($tree)) {
+            $tree = $this->get_toc();
+        }
+
+        $dirTypes = self::getChapterTypes();
+        $mycurrentitemid = $this->get_current_item_id();
+        $list = [];
+        $classStatus = [
+            'not attempted' => 'scorm_not_attempted',
+            'incomplete' => 'scorm_not_attempted',
+            'failed' => 'scorm_failed',
+            'completed' => 'scorm_completed',
+            'passed' => 'scorm_completed',
+            'succeeded' => 'scorm_completed',
+            'browsed' => 'scorm_completed',
+        ];
+
+        foreach ($tree as $subtree) {
+            $subtree['tree'] = null;
+            if (!in_array($subtree['type'], $dirTypes) && $subtree['parent'] == $id ) {
+                if ($subtree['id'] == $this->current) {
+                    $subtree['current'] = 'active';
+                } else {
+                    $subtree['current'] = null;
+                }
+                if (isset($classStatus[$subtree['status']])) {
+                    $cssStatus = $classStatus[$subtree['status']];
+                }
+
+                $title = Security::remove_XSS($subtree['title']);
+                unset($subtree['title']);
+                if (empty ($title)) {
+                    $title = self::rl_get_resource_name(api_get_course_id(), $this->get_id(), $subtree['id']);
+                }
+
+                $classStyle = null;
+                if ($subtree['id'] == $this->current) {
+                    $classStyle = 'scorm_item_normal '. $classStyle . 'scorm_highlight';
+                } elseif (!in_array($subtree['type'], $dirTypes)) {
+                    $classStyle = 'scorm_item_normal '. $classStyle . ' ';
+                }
+
+                if (in_array($subtree['type'], $dirTypes)) {
+                    $subtree['title'] = stripslashes($title);
+                } else {
+                    $subtree['title'] = $title;
+                    $subtree['class'] = $cssStatus . ' ' .$classStyle;
+                    $subtree['url'] = $this->get_link('http', $subtree['id'], $tree);
+                    $subtree['current_id'] = $mycurrentitemid;
+                }
+                $list[] =  $subtree;
+            }
+        }
+
+        return $list;
+    }
+
     /**
      * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
      * @param array $toc_list