/**
 * @param $print_flag
 */
function calculate_page_content($print_flag)
{
    $specmanagement_database_api = new specmanagement_database_api();
    $specmanagement_print_api = new specmanagement_print_api();
    $specmanagement_editor_api = new specmanagement_editor_api();
    $version_id = $_POST['version_id'];
    $version_spec_bug_ids = $specmanagement_database_api->get_version_spec_bugs(version_get_field($version_id, 'version'));
    if (!is_null($version_spec_bug_ids)) {
        /** get bug and work package data */
        $plugin_version_obj = $specmanagement_database_api->get_plugin_version_row_by_version_id($version_id);
        $p_version_id = $plugin_version_obj[0];
        foreach ($version_spec_bug_ids as $version_spec_bug_id) {
            $p_source_row = $specmanagement_database_api->get_source_row($version_spec_bug_id);
            if (is_null($p_source_row[2])) {
                $specmanagement_database_api->update_source_row($version_spec_bug_id, $p_version_id, '');
            }
        }
        $work_packages = $specmanagement_database_api->get_document_spec_workpackages($p_version_id);
        asort($work_packages);
        $no_work_package_bug_ids = $specmanagement_database_api->get_workpackage_spec_bugs($p_version_id, '');
        /** get type options */
        $type_string = $specmanagement_database_api->get_type_string($specmanagement_database_api->get_type_by_version($version_id));
        $type_id = $specmanagement_database_api->get_type_id($type_string);
        $type_row = $specmanagement_database_api->get_type_row($type_id);
        $type_options = explode(';', $type_row[2]);
        /** generate and print page content */
        $specmanagement_editor_api->print_document_head($type_string, $version_id, $version_spec_bug_ids, $print_flag);
        if ($type_options[2] == '1') {
            $specmanagement_editor_api->print_directory($p_version_id, $work_packages, $no_work_package_bug_ids, $type_options[0], $print_flag);
        }
        $specmanagement_editor_api->print_editor_table_head($print_flag);
        $specmanagement_editor_api->generate_content($p_version_id, $work_packages, $no_work_package_bug_ids, $type_options[0], true, $print_flag);
        echo '</table>';
        if ($type_options[1] == '1') {
            $specmanagement_editor_api->print_expenses_overview($work_packages, $p_version_id, $print_flag, $no_work_package_bug_ids);
        }
    } else {
        echo '<br/>';
        $specmanagement_editor_api->print_editor_table_head($print_flag);
        echo '<tr><td class="center">';
        echo plugin_lang_get('editor_no_issues');
        echo '</td></tr>';
        $specmanagement_print_api->printTableFoot();
    }
}
if (!is_null($version_spec_bug_ids)) {
    /** generate and print page content */
    $pdf = new PDF();
    $pdf->AliasNbPages();
    $pdf->AddPage();
    $pdf->SetFont('Arial', '', 12);
    /** get bug and work package data */
    $plugin_version_obj = $specmanagement_database_api->get_plugin_version_row_by_version_id($version_id);
    $p_version_id = $plugin_version_obj[0];
    foreach ($version_spec_bug_ids as $version_spec_bug_id) {
        $p_source_row = $specmanagement_database_api->get_source_row($version_spec_bug_id);
        if (is_null($p_source_row[2])) {
            $specmanagement_database_api->update_source_row($version_spec_bug_id, $p_version_id, '');
        }
    }
    $work_packages = $specmanagement_database_api->get_document_spec_workpackages($p_version_id);
    asort($work_packages);
    $no_work_package_bug_ids = $specmanagement_database_api->get_workpackage_spec_bugs($p_version_id, '');
    /** get type options */
    $type_string = $specmanagement_database_api->get_type_string($specmanagement_database_api->get_type_by_version($version_id));
    $type_id = $specmanagement_database_api->get_type_id($type_string);
    $type_row = $specmanagement_database_api->get_type_row($type_id);
    $type_options = explode(';', $type_row[2]);
    /** print document head */
    $pdf = generate_document_head($pdf, $type_string, $version_id, $version_spec_bug_ids);
    $pdf->Ln(10);
    /** generate and print directory */
    if ($type_options[2] == '1') {
        $pdf->Title(plugin_lang_get('editor_directory'));
        $pdf->Ln(2);
        $pdf->Cell(0, 0, '', 'T');