Drupal : Make fieldset Items Tabular

drupal.tabular.php

/**
 * Implements hook_theme().
 */
function example_theme($existing, $type, $theme, $path) {
  return array(
    'table_layout' => array(
      'render element' => 'form',
      'file' => 'includes/st_chart.theme.inc'
    ),
  );
}


/**
 * Render form items as table
 * Takes additionl options via #option tag
 *
 * '#options' => array(
 *    'column'  => 2, // Number for Columns
 *    'header' => array( array('data' => 'Header1') , array( 'data' => 'Header 2') ),
 *    'attributes' => array('id' => 'settings_form', 'style' => 'width: 55% !important;')
 *  ),
 *
 */
function theme_table_layout( $variables)
{

  $form = $variables['form'];
  $settings = $form['#options'];
  unset($form['#options']);

  $rows = array();
  $key = 0;

  $chunks = array_chunk( element_children($form), $settings['column']);
  foreach($chunks as $row ) {
    foreach( $row as $el_name )
      $rows[$key]['data'][] = array( 'data' => drupal_render( $form[ $el_name ] ) );
    $key++;
  }

  $header = $settings['header'];

  $output = theme('table', array(
    'header' => $header,
    'rows' => $rows,
    'attributes' => $settings['attributes'],
  ));

  $output .= drupal_render_children($form);
  return $output;
}


// Now Usage in Code
// Using butter class :) 
function my_sample_form( $form, &$form_state) {
  $_form = new butter( $form );

  $f = "fieldset_1";
  $_form->fieldset( $f, 'Chart Settings',
    array(
      '#options' => array(
          'column'  => 2,
          'header' => array(              
              array( 'data' => 'Name'),
              array( 'data' => 'Value'),
            ),
          'attributes' => array('id' => 'samle-table')
        ),
      '#theme' => 'table_layout'
  ));
  
  $_form->textField( "name_1", $f, '', "Name");
  $_form->textField( "value_1", $f, '', "value" );
  
  $_form->textField( "name_2", $f, '', "Name");
  $_form->textField( "value_2", $f, '', "value" );
  
  return $form;
    
  
}