<?PHP  // $Id: lesson.php, v 1.0 25 Jan 2004

/*************************************************
    ACTIONS handled are:

    addbranchtable
    addendofbranch
    addcluster
    addendofcluster
    addpage
    confirmdelete
    continue
    delete
    editpage
    insertpage
    move
    moveit
    updatepage

************************************************/

    require("../../config.php");
    require("locallib.php");
    
    $id     = required_param('id', PARAM_INT);         // Course Module ID
    $action = required_param('action', PARAM_ALPHA);   // Action
    
    list($cm, $course, $lesson) = lesson_get_basics($id);

    require_login($course->id);
    
/// Set up some general variables
    $usehtmleditor = can_use_html_editor();
    
/// Process the action
    switch ($action) {
        case 'addbranchtable':
        case 'addpage':
        case 'confirmdelete':
        case 'editpage':
        case 'move':
            lesson_print_header($cm, $course, $lesson, '', false);
        case 'addcluster':
        case 'addendofbranch':
        case 'addendofcluster':
        case 'delete':
        case 'insertpage':
        case 'updatepage':
        case 'moveit':
            if (!isteacheredit($course->id)) {
                error('You must be a teacher with editing privileges to access this page.');
            }
        case 'continue':
            include($CFG->dirroot.'/mod/lesson/action/'.$action.'.php');
            break;
        default:
            error("Fatal Error: Unknown action\n");
    }

    print_footer($course);
 
?>