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-rw-r--r--system/helpers/smiley_helper.php154
1 files changed, 154 insertions, 0 deletions
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
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+<?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