/**
    * Display the resource with the course blocks.
    */
    function display_course_blocks_start() {

        global $CFG;
        global $USER;
        global $THEME;

        require_once($CFG->libdir.'/blocklib.php');
        require_once('pagelib.php');
        require_once($CFG->dirroot.'/course/lib.php'); //required by some blocks

        $PAGE = page_create_object(PAGE_ASSIGNMENT_VIEW, $this->assignment->id);
        $this->PAGE = $PAGE;
        $pageblocks = blocks_setup($PAGE);

        $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);

    /// Print the page header

        $edit = optional_param('edit', -1, PARAM_BOOL);

        if (($edit != -1) and $PAGE->user_allowed_editing()) {
            $USER->editing = $edit;
        }
//if (empty($this->strresources)) {$this->strresources = get_string('resources');}
//        $morenavlinks = array($this->strresources   => 'index.php?id='.$this->course->id,
//                                 $this->resource->name => '');

//if (empty($this->strresource)) {$this->strresource = get_string('resource');}
//        $PAGE->print_header($this->course->shortname.': %fullname%', $morenavlinks, "", "", 
//                            update_module_button($this->cm->id, $this->course->id, $this->strresource));

        echo '<table id="layout-table"><tr>';
    
        $lt = (empty($THEME->layouttable)) ? array('left', 'middle', 'right') : $THEME->layouttable;
        foreach ($lt as $column) {
            $lt1[] = $column;
            if ($column == 'middle') break;
        }
        foreach ($lt1 as $column) {
            switch ($column) {
                case 'left':
                    if((blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
                        echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
                        print_container_start();
                        blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
                        print_container_end();
                        echo '</td>';
                    }
                break;

                case 'middle':
                    echo '<td id="middle-column">';
                    print_container_start(false, 'middle-column-wrap');
                    echo '<div id="resource">';
                break;

                case 'right':
                    if((blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing())) {
                        echo '<td style="width: '.$blocks_preferred_width.'px;" id="right-column">';
                        print_container_start();
                        blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
                        print_container_end();
                        echo '</td>';
                    }
                break;
            }
        }
    }


    /**
     * Finish displaying the resource with the course blocks
     */
    function display_course_blocks_end() {

        global $CFG;
        global $THEME;

        $PAGE = $this->PAGE;
        $pageblocks = blocks_setup($PAGE);
        $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]), 210);
    
        $lt = (empty($THEME->layouttable)) ? array('left', 'middle', 'right') : $THEME->layouttable;
        foreach ($lt as $column) {
            if ($column != 'middle') {
                array_shift($lt);
            } else if ($column == 'middle') {
                break;
            }
        }
        foreach ($lt as $column) {
            switch ($column) {
                case 'left':
                    if((blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
                        echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
                        print_container_start();
                        blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
                        print_container_end();
                        echo '</td>';
                    }
                break;

                case 'middle':
                    echo '</div>';
                    print_container_end();
                    echo '</td>';
                break;

                case 'right':
                    if((blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing())) {
                        echo '<td style="width: '.$blocks_preferred_width.'px;" id="right-column">';
                        print_container_start();
                        blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
                        print_container_end();
                        echo '</td>';
                    }
                break;
            }
        }

        echo '</tr></table>';

        //print_footer($this->course);

    }