Adding PDF export to the group overview page see BT#6985

main/group/group.php

@@ -183,6 +183,8 @@ if (api_is_allowed_to_edit(false, true)) {
     echo  '<a href="group_overview.php?'.api_get_cidreq().'&action=export&type=xls">'.
         Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM).'</a>';
 
+    echo  '<a href="group_overview.php?'.api_get_cidreq().'&action=export_pdf">'.
+        Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_MEDIUM).'</a>';
 
     echo '<a href="../user/user.php?'.api_get_cidreq().'">'.
         Display::return_icon('user.png', get_lang('GoTo').' '.get_lang('Users'), '', ICON_SIZE_MEDIUM).'</a>';
@@ -220,7 +222,7 @@ if (api_get_setting('allow_group_categories') == 'true') {
     }
 } else {
     $group_list = GroupManager::get_group_list();
-    GroupManager ::process_groups($group_list);
+    GroupManager::process_groups($group_list);
 }
 
 if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath') {

main/group/group_overview.php

@@ -42,6 +42,11 @@ if (isset($_GET['action'])) {
             Export::export_table_csv($data);
             exit;
             break;
+        case 'export_pdf':
+            $overview = GroupManager::getOverview($courseId, $keyword);
+            $pdf = new PDF();
+            $pdf ->content_to_pdf($overview);
+            break;
         case 'export':
             $groupId = isset($_GET['id']) ? intval($_GET['id']) : null;
             $groups = GroupManager::get_group_list();
@@ -101,6 +106,7 @@ echo '<div class="actions">';
         Display::return_icon('new_group.png', get_lang('NewGroupCreate'), '', ICON_SIZE_MEDIUM).'</a>';
     echo '<a href="group.php?'.api_get_cidreq().'">'.
         Display::return_icon('group.png', get_lang('Groups'),'',ICON_SIZE_MEDIUM).'</a>';
+
     if (api_get_setting('allow_group_categories') == 'true') {
         echo '<a href="group_category.php?'.api_get_cidreq().'&action=add_category">'.
             Display::return_icon('new_folder.png', get_lang('AddCategory'), '', ICON_SIZE_MEDIUM).'</a>';
@@ -114,6 +120,9 @@ echo '<div class="actions">';
     echo  '<a href="group_overview.php?'.api_get_cidreq().'&action=export_all&type=csv">'.
         Display::return_icon('export_csv.png', get_lang('Export'), '', ICON_SIZE_MEDIUM).'</a>';
 
+   echo  '<a href="group_overview.php?'.api_get_cidreq().'&action=export_pdf">'.
+       Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_MEDIUM).'</a>';
+
     echo '<a href="group_overview.php?'.api_get_cidreq().'&action=export&type=xls">'.
         Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM).'</a>';
 
@@ -123,51 +132,7 @@ echo '<div class="actions">';
     $form->display();
 echo '</div>';
 
-$categories = GroupManager::get_categories();
+echo GroupManager::getOverview($courseId, $keyword);
-
-foreach ($categories as $category) {
-    if (api_get_setting('allow_group_categories') == 'true') {
-        echo '<h2>'.$category['title'].'</h2>';
-    }
-    if (!empty($keyword)) {
-        $groups = GroupManager::getGroupListFilterByName($keyword, $category['id'], $courseId);
-    } else {
-        $groups = GroupManager::get_group_list($category['id']);
-    }
-
-    echo '<ul>';
-    if (!empty($groups)) {
-        foreach ($groups as $group) {
-            echo '<li>';
-            echo Display::tag('h3', Security::remove_XSS($group['name']));
-
-            $users = GroupManager::getTutors($group['id']);
-            if (!empty($users)) {
-                echo '<ul>';
-                echo Display::tag('h4', get_lang('Tutors'));
-                foreach ($users as $user) {
-                    $user_info = api_get_user_info($user['user_id']);
-                    //$username = api_htmlentities(sprintf(get_lang('LoginX'), $user_info['username']), ENT_QUOTES);
-                    echo '<li title="'.$user_info['username'].'">'.$user_info['complete_name_with_username'].'</li>';
-                }
-                echo '</ul>';
-            }
-
-            $users = GroupManager::getStudents($group['id']);
-            if (!empty($users)) {
-                echo '<ul>';
-                echo Display::tag('h4', get_lang('Students'));
-                foreach ($users as $user) {
-                    $user_info = api_get_user_info($user['user_id']);
-                    echo '<li title="'.$user_info['username'].'">'.$user_info['complete_name_with_username'].'</li>';
-                }
-                echo '</ul>';
-            }
-            echo '</li>';
-        }
-    }
-    echo '</ul>';
-}
 
 if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath') {
     Display::display_footer();

main/inc/lib/groupmanager.lib.php

@@ -2355,4 +2355,65 @@ class GroupManager
                 </li>
         </ul>';
     }
+
+    /**
+     * @param int $courseId
+     * @param string $keyword
+     * @return string
+     */
+    public static function getOverview($courseId, $keyword = null)
+    {
+        $content = null;
+        $categories = GroupManager::get_categories();
+        if (!empty($categories)) {
+
+            foreach ($categories as $category) {
+                if (api_get_setting('allow_group_categories') == 'true') {
+                    $content .= '<h2>'.$category['title'].'</h2>';
+                }
+                if (!empty($keyword)) {
+                    $groups = GroupManager::getGroupListFilterByName($keyword, $category['id'], $courseId);
+                } else {
+                    $groups = GroupManager::get_group_list($category['id']);
+                }
+
+                $content .= '<ul>';
+                if (!empty($groups)) {
+                    foreach ($groups as $group) {
+                        $content .= '<li>';
+                        $content .= Display::tag('h3', Security::remove_XSS($group['name']));
+
+                        $users = GroupManager::getTutors($group['id']);
+                        if (!empty($users)) {
+                            $content .= '<ul>';
+                            $content .= "<li>".Display::tag('h4', get_lang('Tutors'))."</li><ul>";
+                            foreach ($users as $user) {
+                                $user_info = api_get_user_info($user['user_id']);
+                                $content .= '<li title="'.$user_info['username'].'">'.$user_info['complete_name_with_username'].'</li>';
+                            }
+                            $content .= '</ul>';
+                            $content .= '</ul>';
+                        }
+
+                        $users = GroupManager::getStudents($group['id']);
+                        if (!empty($users)) {
+                            $content .= '<ul>';
+                            $content .= "<li>".Display::tag('h4', get_lang('Students'))."</li><ul>";
+                            foreach ($users as $user) {
+                                $user_info = api_get_user_info($user['user_id']);
+                                $content .= '<li title="'.$user_info['username'].'">'.$user_info['complete_name_with_username'].'</li>';
+                            }
+                            $content .= '</ul>';
+                            $content .= '</ul>';
+                        }
+                        $content .= '</li>';
+                    }
+                }
+                $content .= '</ul>';
+            }
+        }
+
+        return $content;
+
+    }
 }