/**
 * Implementation of hook_form()
 * TODO: title=hostname ip= file=tar.bz2 description=body disk size=(permissioned) memory size=(permissioned) swap size=(permissioned)
 */
function xen_node_form(&$node, &$param) {
//  $type = node_get_types('type', $node);
  $xen_node = $node->xen_node;

  $form['title'] = array(
    '#type' => 'textfield',
    '#title' => check_plain$type->title_label,
    '#description' => t('Choose an unique hostname for this host. The hostname can contain alphabetical characters or numbers.'),
    '#size' => 50, 
    '#maxlength' => 100,
    '#required' => TRUE,
    '#default_value' => $node->title,
    '#weight' => -5,
  );
  
  $form['body_filter']['body'] = array(
    '#type' => 'textarea',
    '#title' => $type->body_label,
    '#required' => FALSE,
    '#default_value' => $node->body,
    '#rows' => 7,
  );
    
//  $form['xen_node_options'] = array(
//    '#title' => t('Xen Node Options'),
//    '#type' => 'fieldset',
//    '#description' => t('Options for the Xen node type.'),
//    '#collapsible' => TRUE,
//    '#collapsed' => FALSE,
//    '#weight' => 1,
//  );

  $form['disk'] = array( 
      '#type' => 'textfield', 
      '#title' => t('Disk size'), 
      '#default_value' => variable_get('xen_fs_size', '6'),
      '#field_suffix' => t('GB'),
      '#size' => 1, 
      '#maxlength' => 3, 
//      '#value' => intval(variable_get('xen_fs_size', '6')),
//      '#disabled' => TRUE,
      '#description' => t('Disk size. You can alter this only if you have sufficient privileges.'),
      '#required' => TRUE,
      ); 
  $form['memory'] = array( 
      '#type' => 'textfield', 
      '#title' => t('Memory size'), 
      '#default_value' => variable_get('xen_mem_size', '128'),
      '#field_suffix' => t('MB'),
      '#size' => 2, 
      '#maxlength' => 4, 
//      '#value' => intval(variable_get('xen_mem_size', '128')),
//      '#disabled' => TRUE,
      '#description' => t('RAM size. You can alter this only if you have sufficient privileges.'),
      '#required' => TRUE,
      ); 
  $form['swap'] = array( 
      '#type' => 'textfield', 
      '#title' => t('Swap size'), 
      '#default_value' => variable_get('xen_swap_size', '1024'),
      '#field_suffix' => t('MB'),
      '#size' => 2, 
      '#maxlength' => 4, 
//      '#value' => intval(variable_get('xen_swap_size', '1024')),
//      '#disabled' => TRUE,
      '#description' => t('Swap size. You can alter this only if you have sufficient privileges.'),
      '#required' => TRUE,
      ); 

  return $form;
}