wow..

wow.php

<?php

/**
 * Implements hook_form_alter().
 */
function vw_shipping_messages_form_alter(&$form, &$form_state, $form_id) {
	
	if($form_id == 'commerce_checkout_pane_settings_form') {
		//echo "called";
		$shipping_messages = variable_get('shipping_messages');
		
		//exit;
		include_once DRUPAL_ROOT . '/includes/locale.inc';

	    $form['shipping_messages'] = array(
	        '#type' => 'fieldset',
	        '#weight' => -9999,
	        '#title' => t('Shipping pane message'),
	        "#prefix" => '<div id="form-shipping_messages">',
	        "#suffix" => '</div>',
	        '#collapsible' => FALSE,
	    );
	    $form['shipping_messages']['#tree'] = TRUE;

	    $form['shipping_messages']['entry_fieldset'] = array(
	        '#type' => 'fieldset',
	        '#title' => t('Message'),
	        '#prefix' => '<div id="entry-fieldset-wrapper">',
	        '#suffix' => '</div>',
	    );

	    
	    if (empty($form_state['instances'])) {
	    	if(!empty($shipping_messages)){
	    		$form_state['instances'] = count($shipping_messages['messages']);	
	    	}else{
	    		$form_state['instances'] = 1;	
	    	}
	        
	    }
	    $form['#attached']['js'] = array(
	        array(
	          'type'  => 'file',
	          'data' => drupal_get_path('module', 'vw_shipping_messages') . '/js/reorder_fields.js',
	        ),
	      );



	    for ($i = 0; $i < $form_state['instances']; $i++) {

	    	$form['shipping_messages']['entry_fieldset']['countries'][$i] = array(
	    	    '#type' => 'select',
	    	    '#title' => 'Select applicable countries',
	    	    '#description' => t('Please select the coutries that this message will be applicable'),
	    	    '#default_value' => $shipping_messages['countries'][$i],
	    	    '#multiple' => true,
	    	    '#required' => true,
	    	    '#options' => country_get_list()
	    	);

	        $form['shipping_messages']['entry_fieldset']['messages'][$i] = array(
	            '#type' => 'textarea',
	            '#default_value' => $shipping_messages['messages'][$i],
	            '#title' => '',
	            '#required' => true,
	            '#description' => t('Shipping message for selected countries'),
	        );
	        $form['shipping_messages']['entry_fieldset']['remove_message'][$i] = array(
	            '#type' => 'submit',
	            '#name' => 'submit_'.$i,
	            '#value' => t('Remove'),
	            '#submit' => array('messages_remove'),
	            '#attributes' => array(
	            	'class' => array('messages_remove_'.$i,'messages_remove'),
	            	'style' => array("margin-bottom:75px;")
	            	),
	            '#limit_validation_errors' => array()
	        );

	    }

	    $form['shipping_messages']['entry_fieldset']['add_message'] = array(
	        '#type' => 'submit',
	        '#value' => t('Add another message'),
	        '#submit' => array('messages_add_more_add_one'),
	        '#ajax' => array(
	            'callback' => 'messages_add_more_callback',
	            'wrapper' => 'entry-fieldset-wrapper',
	        ),
	    );


	      $form['submit']['#submit'][] = 'simple_form_submit';

	      // echo "<pre>";
	      // print_r($form);
	      // echo "</pre>";
	      // exit;
	    return $form;

	}


}

// ---------------  AJAX CALLBACK  FUNCTIONS FOR TEXT FIELD-----------------

function messages_add_more_add_one($form, &$form_state) {

    if (!isset($form_state['instances'])) {
        $form_state['instances'] = 0;
        $form_state['instances']++;
    }

    $form_state['instances']++;
    $form_state['rebuild'] = TRUE;
}


function messages_remove($form, &$form_state) {
	$data = array();
	$shipping_messages = variable_get('shipping_messages');
	$key_index = $form_state['triggering_element']['#attributes']['class'][0];
	$form_state['to_be_removed'] = substr($key_index, strrpos($key_index, '_') + 1);

    unset($shipping_messages['countries'][$form_state['to_be_removed']]);
    unset($shipping_messages['messages'][$form_state['to_be_removed']]);
    $data['messages'] = array_values($shipping_messages['messages']);
    $data['countries'] = array_values($shipping_messages['countries']);
    variable_set('shipping_messages',$data);
    //$form_state['instances'] = count($shipping_messages['messages']);
    //$form_state['rebuild'] = TRUE;
}

function messages_add_more_callback($form, $form_state) {

    return $form['shipping_messages']['entry_fieldset'];
}
function messages_remove_callback($form, $form_state) {
    return $form['shipping_messages']['entry_fieldset'];
}
function simple_form_submit($form, &$form_state) {
	
    $number_of_messages = COUNT($form_state['values']['shipping_messages']['entry_fieldset']['messages']);
    $data = array();
    $data['messages'] =  $form_state['values']['shipping_messages']['entry_fieldset']['messages'];
    $data['countries'] =  $form_state['values']['shipping_messages']['entry_fieldset']['countries'];
    variable_set('shipping_messages',$data);
    
}

function my_module_my_form_clear(){
	return true;
}
?>