Remove static notifications and load them via ajax

application/controllers/ajax.php

@@ -0,0 +1,52 @@
+<?php
+
+/* 
+ * Copyright (c) 2011 Karsten Heiken <karsten@disposed.de>
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Controller for Ajax requests.
+ * 
+ * @author Karsten Heiken <karsten@disposed.de>
+ */
+class Ajax extends CI_Controller {
+
+	/**
+	 * Constructor.
+	 */
+	public function __construct() {
+		parent::__construct();
+
+		// load language file
+		$this->lang->load(strtolower($this->router->class));
+	}
+
+	/**
+	 * Load the notifications for the user.
+	 *
+	 * This is used for sending notifications to the user like
+	 * "There are new results for the project 'foobar'".
+	 */
+	public function get_notifications() {
+		$tpl['messages'] = $this->messages->get();
+		$this->load->view('global/notifications', $tpl);
+	}
+}

application/language/german/ajax_lang.php

@@ -0,0 +1,23 @@
+<?php
+
+/* 
+ * Copyright (c) 2011 Karsten Heiken <karsten@disposed.de>
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */

application/views/global/notifications.php

@@ -0,0 +1,33 @@
+<?
+
+/*
+ * Copyright (c) 2011 Karsten Heiken <karsten@disposed.de>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+if (is_array($messages)):
+	foreach ($messages as $type => $msgs):
+		if (count($msgs > 0)):
+			foreach ($msgs as $message):
+				echo ('<div class="' .  $type .'">' . $message . '</div>');
+			endforeach;
+		endif;
+	endforeach;
+endif;

application/views/header.php

@@ -12,6 +12,9 @@
 <?=script_tag('assets/js/minmax.js');?>
 <?=script_tag('https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js');?>
 <?=script_tag('assets/js/scattport.js');?>
+<script type="text/javascript">
+	var SITE_URL = '<?=site_url()?>';
+</script>
 
 </head>
 <body>
@@ -23,20 +26,7 @@
 </div>
 
 <div id="wrapper">
-<div id="notifications">
+<div id="notifications"></div>
-<?
-$messages = $this->messages->get();
-if (is_array($messages)):
-	foreach ($messages as $type => $msgs):
-		if (count($msgs > 0)):
-			foreach ($msgs as $message):
-				echo ('<div class="' .  $type .'">' . $message . '</div>');
-			endforeach;
-		endif;
-	endforeach;
-endif;
-?>
-</div>
 	
 	<div id="sidebar">
 

assets/js/scattport.js

@@ -1,3 +1,10 @@
+function get_notifications() {
+    $('#notifications').load(SITE_URL + 'ajax/get_notifications',
+            function() {
+                $('#notifications').slideDown();
+            });
+}
+
 $(document).ready(function() {
 
 	//When page loads...
@@ -17,4 +24,7 @@ $(document).ready(function() {
 		return false;
 	});
 
-});
+    $('#notifications').hide();
+
+    setInterval(get_notifications(), '5000');
+});