mailpress funcionando sin cargar JQuery y sin conflictos con ajax

[Diego Minutillo]

Solo tienen que comentar la línea 375 del archivo MP_Widget.class.php,
le dejo el codigo completo:

---------------------------------------------------------------------------------------------------------------------------------------------------------

<?php

class MP_Widget extends WP_Widget

{

function __construct()

{

$widget_ops = array('classname' => 'widget_mailpress',
'description' => __( 'the mailpress subscription form', MP_TXTDOM));

$control_ops = array('width' => 400, 'height' => 300);

parent::__construct('mailpress', 'MailPress', $widget_ops,
$control_ops);

}



function widget($args, $instance)

{

extract($args);

$title = apply_filters('widget_title', empty($instance['title']) ?
'' : $instance['title']);



echo $before_widget;

if ( !empty( $title ) ) { echo $before_title .
stripslashes($title) . $after_title; }



$instance['widget_id'] = $args['widget_id'];

self::widget_form($instance);



echo $after_widget;

}



function update($new_instance, $old_instance)

{

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

$instance['txtbutton'] = strip_tags($new_instance['txtbutton']);

$instance['txtsubmgt'] = strip_tags($new_instance['txtsubmgt']);

if (isset($new_instance['css'])) $instance['css'] = true;

else unset($instance['css']);

if (isset($new_instance['jq'])) $instance['jq'] = true;

else unset($instance['jq']);

if (isset($new_instance['js'])) $instance['js'] = true;

else unset($instance['js']);

if (isset($new_instance['urlsubmgt'])) $instance['urlsubmgt'] =
true;

else {unset($instance['urlsubmgt']); $instance['txtsubmgt'] = '';}



$instance = apply_filters('MP_Widget_save_instance',$instance);



return $instance;

}



function form($instance)

{

$instance = wp_parse_args( (array) $instance,
self::form_defaults() );

$title = (isset($instance['title'])) ?
strip_tags($instance['title']) : '';

$txtbutton = strip_tags($instance['txtbutton']);

$txtsubmgt = strip_tags($instance['txtsubmgt']);

?>

<p>

<label for='<?php echo $this->get_field_id('title'); ?>'>

<?php _e('Title:'); ?>

<input type='text' id='<?php echo $this->get_field_id('title'); ?>'
name='<?php echo $this->get_field_name('title'); ?>' value="<?php echo
esc_attr($title); ?>" class='widefat' />

</label>

<br /><br />

<label for='<?php echo $this->get_field_id('txtbutton'); ?>'>

<?php _e('Button:'); ?>

<input type='text' id='<?php echo $this->get_field_id('txtbutton'); ?
>' name='<?php echo $this->get_field_name('txtbutton'); ?>' value="<?
php echo esc_attr($txtbutton); ?>" class='widefat' />

</label>

<br /><br />

<label for='<?php echo $this->get_field_id('urlsubmgt'); ?>'>

<input type='checkbox' id='<?php echo $this-
>get_field_id('urlsubmgt'); ?>' name='<?php echo $this-
>get_field_name('urlsubmgt'); ?>'<?php if ($instance['urlsubmgt'])
checked(true); ?> onchange="jQuery('#<?php echo $this-
>get_field_id('txtsubmgt') ; ?>').toggle();" />

<?php _e("\"Manage your subscription\" link ?", MP_TXTDOM); ?>

</label>

<label for='<?php echo $this->get_field_id('txtsubmgt'); ?>'>

<input type='text' id='<?php echo $this->get_field_id('txtsubmgt'); ?
>' name='<?php echo $this->get_field_name('txtsubmgt'); ?>' value="<?
php echo esc_attr($txtsubmgt); ?>" class='widefat<?php if (!
$instance['urlsubmgt']) echo ' hide-if-js'; ?>' />

</label>

<br />

<div style='background-color:#f1f1f1;border:solid 1px
#ddd;color:#999;padding:3px;'>

<small>

<?php _e('Preloaded :', MP_TXTDOM); ?>

<label for='<?php echo $this->get_field_id('css'); ?>'>

<input type='checkbox' id='<?php echo $this->get_field_id('css'); ?
>' name='<?php echo $this->get_field_name('css'); ?>'<?php if
($instance['css']) checked(true); ?> /> <?php _e('css', MP_TXTDOM); ?
>

</label>

<label for='<?php echo $this->get_field_id('jq'); ?>'>

<input type='checkbox' id='<?php echo $this->get_field_id('jq'); ?
>' name='<?php echo $this->get_field_name('jq'); ?>'<?php if
($instance['jq']) checked(true); ?> /> <?php _e('jQuery', MP_TXTDOM); ?
>

</label>

<label for='<?php echo $this->get_field_id('js'); ?>'>

<input type='checkbox' id='<?php echo $this->get_field_id('js'); ?
>' name='<?php echo $this->get_field_name('js'); ?>'<?php if
($instance['js']) checked(true); ?> /> <?php _e('javascript',
MP_TXTDOM); ?>

</label>

</small>

</div>

</p>

<?php

}



//// Defaults ////



public static function form_defaults($options = array())

{

$defaults = array( 'css' => false,

'jq' => false,

'js' => false,

'urlsubmgt' => false,

'txtbutton' => __('Subscribe', MP_TXTDOM),

'txtsubmgt' => __('Manage your subscription', MP_TXTDOM),

'txtloading' => __('Loading...', MP_TXTDOM),



'txtfield' => __('Your email', MP_TXTDOM),

'txtfieldname' => __('Your name', MP_TXTDOM),

'txtwait' => __('Waiting for ...', MP_TXTDOM),

'txtwaitconf' => __('Waiting for your confirmation',
MP_TXTDOM),

'txtallready' => __('You have already subscribed', MP_TXTDOM),

'txtvalidemail' => __('Enter a valid email !', MP_TXTDOM),

'txterrconf' => __('ERROR. resend confirmation email failed',
MP_TXTDOM),

'txtdberror' => __('ERROR in the database : subscriber not
inserted', MP_TXTDOM)

);



$defaults = apply_filters('MailPress_form_defaults', $defaults);

$options = wp_parse_args( $options, $defaults );

$options = apply_filters('MailPress_form_options', $options);

return $options;

}



public static function get_wp_user_unsubscribe_url()

{

$url = false;

$email = MP_WP_User::get_email();



if (is_email($email))

{

$key = MP_User::get_key_by_email($email);

if ($key) $url = MP_User::get_unsubscribe_url($key);

}

return $url;

}



//// Form ////



public static function widget_form($options = array())

{

static $wp_head = false;



$email = $name = $message = $widget_title = '';



$options = self::form_defaults($options);



$id = $options['widget_id'];



if (isset($_POST['MailPress_submit']) && ($_POST['id'] == $id))

list($message, $email, $name) = self::insert(false);

else

{

$user = wp_get_current_user();

switch (true)

{

case ( $user->ID ) :

// user connected

$email = $user->user_email;

$name = $user->display_name;

break;

default :

// user as already a cookie !

$email = (isset($_COOKIE['comment_author_email_' .
COOKIEHASH])) ? $_COOKIE['comment_author_email_' . COOKIEHASH] : '';

$name = (isset($_COOKIE['comment_author_' .
COOKIEHASH])) ? $_COOKIE['comment_author_' . COOKIEHASH] : '';

break;

}

$email = apply_filters('MailPress_form_email', $email);

$name = apply_filters('MailPress_form_name', $name);



if ( MP_User::is_user($email) ) $email = $name = '';

}

if ('' == $email) $email = $options['txtfield'];

if ('' == $name) $name = $options['txtfieldname'];

?>



<!-- start of code generated by MailPress (<?php echo MP_Version; ?>)
-->

<?php

if (!$wp_head)

{

$wp_head = true;

if (!$options['css'])

{

$root = MP_CONTENT_DIR . 'advanced/subscription-form';

$root = apply_filters('MailPress_advanced_subscription-form_root',
$root);

echo "<style type='text/css'>\n"; include "$root/style.css"; echo
"\n</style>\n";

}

if (!$options['jq'])

{

if (defined('MP_wp_enqueue_script') && MP_wp_enqueue_script)

{

wp_enqueue_script('jquery');

}

else

{

//echo "<script type='text/javascript' src='" . site_url() . "/wp-
includes/js/jquery/jquery.js'></script>\n";

}

}

if (!$options['js'])

{

$js = '/' . MP_PATH . 'mp-includes/js/mp_form.js';

if (defined('MP_wp_enqueue_script') && MP_wp_enqueue_script)

{

wp_register_script( 'mailpress_widget', $js);

wp_localize_script( 'mailpress_widget', 'MP_Widget', array(

'url' => MP_Action_url

));

wp_enqueue_script('mailpress_widget');

}

else

{

echo "<script type='text/javascript'>\n/* <![CDATA[ */\nvar
MP_Widget = {\n\turl: '" . MP_Action_url . "'\n};\n/* ]]> */\n</script>
\n";

echo "<script type='text/javascript' src='" . site_url() . $js .
"'></script>\n";

}

}

}



$imgloading = apply_filters('MailPress_form_imgloading',
site_url() . '/' . MP_PATH . 'mp-includes/images/loading.gif');

?>
<div class='MailPress' id='_MP_<?php echo $id; ?>'>

<div class='mp-container'>

<div class='mp-message'></div>

<div class='mp-loading'><img src='<?php echo $imgloading; ?>' alt='<?
php echo $options['txtloading']; ?>' title='<?php echo
$options['txtloading']; ?>' /><?php echo $options['txtloading']; ?></
div>

<div class='mp-formdiv'>

<?php if ('' != $message) echo $message . "\n"; ?>

<form class='mp-form' method='post' action=''>

<input type='hidden' name='action' value='add_user_fo' />

<input type='hidden' name='id' value='<?php echo '_MP_' . $id; ?
>' />

<input type='text' name='email' value="<?php echo $email; ?>"
class='MailPressFormEmail' size='25' onfocus="if(this.value=='<?php
echo esc_js($options['txtfield']); ?>') this.value='';"
onblur="if(this.value=='') this.value='<?php echo esc_js($email); ?
>';" /><br />

<input type='text' name='name' value="<?php echo $name; ?>"
class='MailPressFormName' size='25' onfocus="if(this.value=='<?php
echo esc_js($options['txtfieldname']); ?>') this.value='';"
onblur="if(this.value=='') this.value='<?php echo esc_js($name); ?
>';" /><br />

<?php do_action('MailPress_form', $email, $options); ?>

<input class='MailPressFormSubmit mp_submit' type='submit'
name='MailPress_submit' value="<?php echo
esc_attr($options['txtbutton']); ?>" />

</form>

</div>

</div>

<?php

$url = ($options['urlsubmgt']) ?
esc_url(MP_WP_User::get_unsubscribe_url()) : false;

if ($url) :

?>

<div id='mp-urlsubmgt'><a href='<?php echo $url; ?>'><?php echo (!
empty($options['txtsubmgt'])) ? esc_attr($options['txtsubmgt']) :
__('Manage your subscription', MP_TXTDOM); ?></a></div>

<?php

endif;

?>

<?php do_action('MailPress_form_div_misc', $email, $options); ?>

</div>

<!-- end of code generated by MailPress (<?php echo MP_Version; ?>) --
>

<?php

}



public static function insert($ajax = true)

{

$bots_useragent = array('googlebot', 'google', 'msnbot',
'ia_archiver', 'lycos', 'jeeves', 'scooter', 'fast-webcrawler',
'slurp@inktomi', 'turnitinbot', 'technorati', 'yahoo', 'findexa',
'findlinks', 'gaisbo', 'zyborg', 'surveybot', 'bloglines',
'blogsearch', 'ubsub', 'syndic8', 'userland', 'gigabot',
'become.com');

$useragent = $_SERVER['HTTP_USER_AGENT'];

foreach ($bots_useragent as $bot) if (stristr($useragent, $bot) !==
false) return false; // goodbye bot !



$message = $email = $name = '';

$options = self::form_defaults();



$email = ( isset($_POST['email']) ) ? $_POST['email'] :
''; //has the user entered an email

$name = ( isset($_POST['name']) ) ? $_POST['name'] : '';



if ( '' == $email || $options['txtfield'] == $email )

{ // check for bot

$message = "<span class='error'>" . $options['txtwait'] . "</
span>";

$email = $options['txtfield'];

}

else

{

$name = ( '' == $name || $options['txtfieldname'] == $name ) ? '' :
$name;

$add = MP_User::add($email, $name);

$shortcode_message = apply_filters('MailPress_form_submit', '',
$email);

$message = ($add['result']) ? "<span class='success'>" .
$add['message'] . $shortcode_message . "</span><br />" : "<span
class='error'>" . $add['message'] . $shortcode_message . "</span><br /
>";

$email = ($add['result']) ? $email : $options['txtfield'];

$name = ($add['result']) ? $name : $options['txtfieldname'];

if ($add['result'])

if ($ajax) do_action('MailPress_form_user_added_ajax', $email,
$name, $options);

else do_action('MailPress_form_user_added', $email, $name,
$options);

}



$user = wp_get_current_user();

if ( !$user->ID )

{

$comment_cookie_lifetime = apply_filters('comment_cookie_lifetime',
30000000);

setcookie('comment_author_' . COOKIEHASH, $name, time() +
$comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);

setcookie('comment_author_email_' . COOKIEHASH, $email, time() +
$comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);

}



return array($message, $email, $name);

}

}