Add an information message when a feed is empty

app/i18n/en.php

@@ -142,7 +142,9 @@ return array (
 	'or'				=> 'or',
 
 	'informations'			=> 'Information',
+	'damn'				=> 'Damn!',
 	'feed_in_error'			=> 'This feed has encountered a problem. Please verify that it is always reachable then actualize it.',
+	'feed_empty'			=> 'This feed is empty. Please verify that it is still maintained.',
 	'feed_description'		=> 'Description',
 	'website_url'			=> 'Website URL',
 	'feed_url'			=> 'Feed URL',

app/i18n/fr.php

@@ -142,7 +142,9 @@ return array (
 	'or'				=> 'ou',
 
 	'informations'			=> 'Informations',
+	'damn'				=> 'Arf !',
 	'feed_in_error'			=> 'Ce flux a rencontré un problème. Veuillez vérifier qu’il est toujours accessible puis actualisez-le.',
+	'feed_empty'			=> 'Ce flux est vide. Veuillez vérifier qu’il est toujours maintenu.',
 	'feed_description'		=> 'Description',
 	'website_url'			=> 'URL du site',
 	'feed_url'			=> 'URL du flux',

app/views/configure/feed.phtml

@@ -7,8 +7,12 @@
 	<h1><?php echo $this->flux->name (); ?></h1>
 	<?php echo $this->flux->description (); ?>
 
+	<?php $nbEntries = $this->flux->nbEntries (); ?>
+
 	<?php if ($this->flux->inError ()) { ?>
 	<p class="alert alert-error"><span class="alert-head"><?php echo Minz_Translate::t ('damn'); ?></span> <?php echo Minz_Translate::t ('feed_in_error'); ?></p>
+	<?php } elseif ($nbEntries === 0) { ?>
+	<p class="alert alert-warn"><?php echo Minz_Translate::t ('feed_empty'); ?></p>
 	<?php } ?>
 
 	<form method="post" action="<?php echo _url ('configure', 'feed', 'id', $this->flux->id ()); ?>" autocomplete="off">
@@ -81,7 +85,7 @@
 		<div class="form-group">
 			<label class="group-name"><?php echo Minz_Translate::t ('number_articles'); ?></label>
 			<div class="group-controls">
-				<span class="control"><?php echo $this->flux->nbEntries (); ?></span>
+				<span class="control"><?php echo $nbEntries; ?></span>
 			</div>
 		</div>
 		<div class="form-group">