1 files changed, 154 insertions, 0 deletions
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
new file mode 100644
index 000000000..05ffb29b2
--- /dev/null
+++ b/system/helpers/smiley_helper.php
@@ -0,0 +1,154 @@
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		Rick Ellis
+ * @copyright	Copyright (c) 2006, pMachine, Inc.
+ * @license		http://www.codeignitor.com/user_guide/license.html
+ * @link		http://www.codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Smiley Helpers
+ *
+ * @package		CodeIgniter
+ * @subpackage	Helpers
+ * @category	Helpers
+ * @author		Rick Ellis
+ * @link		http://www.codeigniter.com/user_guide/helpers/download_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * JS Insert Smiley
+ *
+ * Generates the javascrip function needed to insert smileys into a form field
+ *
+ * @access	public
+ * @param	string	form name
+ * @param	string	field name
+ * @return	string
+ */	
+function js_insert_smiley($form_name = '', $form_field = '')
+{
+return <<<EOF
+<script type="text/javascript">
+	function insert_smiley(smiley)
+	{
+		document.{$form_name}.{$form_field}.value += " " + smiley;
+	}
+</script>
+EOF;
+}	
+
+// ------------------------------------------------------------------------
+
+/**
+ * Get Clickable Smileys
+ *
+ * Returns an array of image tag links that can be clicked to be inserted 
+ * into a form field.  
+ *
+ * @access	public
+ * @param	string	the URL to the folder containing the smiley images
+ * @return	array
+ */	
+function get_clickable_smileys($image_url = '')
+{
+	if (FALSE === ($smileys = _get_smiley_array()))
+	{
+		return array();
+	}  
+
+	// Add a trailing slash to the file path if needed
+	$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);
+	
+	$used = array();
+	foreach ($smileys as $key => $val)
+	{
+		// Keep duplicates from being used, which can happen if the
+		// mapping array contains multiple identical replacements.  For example:
+		// :-) and :) might be replaced with the same image so both smileys
+		// will be in the array.
+		if (isset($used[$smileys[$key]['0']]))
+		{
+			continue;
+		}
+	
+		$link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."')\"><img src=\"".$image_url.$smileys[$key]['0']."\" width=\"".$smileys[$key]['1']."\" height=\"".$smileys[$key]['2']."\" alt=\"".$smileys[$key]['3']."\" style=\"border:0;\" /></a>";	
+	
+		$used[$smileys[$key]['0']] = TRUE;
+	}
+	
+	return $link;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse Smileys
+ *
+ * Takes a string as input and swaps any contained smileys for the actual image
+ *
+ * @access	public
+ * @param	string	the text to be parsed
+ * @param	string	the URL to the folder containing the smiley images
+ * @return	string
+ */	
+function parse_smileys($str, $image_url)
+{
+	if (FALSE === ($smileys = _get_smiley_array()))
+	{
+		return $str;
+	}        
+
+	// Add a trailing slash to the file path if needed
+	$image_url = preg_replace("/(.+?)\/*$/", "\\1/",  $image_url);
+
+	foreach ($smileys as $key => $val)
+	{        
+		$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key]['0']."\" width=\"".$smileys[$key]['1']."\" height=\"".$smileys[$key]['2']."\" alt=\"".$smileys[$key]['3']."\" style=\"border:0;\" />", $str);
+	}
+	
+	return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Get Smiley Array
+ *
+ * Fetches the config/smiley.php file
+ *
+ * @access	private
+ * @return	mixed
+ */	
+function _get_smiley_array()
+{
+	if ( ! file_exists(APPPATH.'config/smileys'.EXT))
+	{
+		return FALSE;
+	}
+
+	include_once(APPPATH.'config/smileys'.EXT);
+	
+	if ( ! isset($smileys) OR ! is_array($smileys))
+	{
+		return FALSE;
+	}
+	
+	return $smileys;
+}
+
+
+
+
+?>
+\ No newline at end of file