1 <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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5 * An open source application development framework for PHP 4.3.2 or newer
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7 * @package CodeIgniter
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8 * @author ExpressionEngine Dev Team
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9 * @copyright Copyright (c) 2008, EllisLab, Inc.
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10 * @license http://codeigniter.com/user_guide/license.html
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11 * @link http://codeigniter.com
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12 * @since Version 1.0
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16 // ------------------------------------------------------------------------
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19 * CodeIgniter Smiley Helpers
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21 * @package CodeIgniter
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22 * @subpackage Helpers
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24 * @author ExpressionEngine Dev Team
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25 * @link http://codeigniter.com/user_guide/helpers/smiley_helper.html
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28 // ------------------------------------------------------------------------
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33 * Generates the javascrip function needed to insert smileys into a form field
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36 * @param string form name
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37 * @param string field name
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40 if ( ! function_exists('js_insert_smiley'))
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42 function js_insert_smiley($form_name = '', $form_field = '')
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45 <script type="text/javascript">
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46 function insert_smiley(smiley)
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48 document.{$form_name}.{$form_field}.value += " " + smiley;
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54 // ------------------------------------------------------------------------
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57 * Get Clickable Smileys
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59 * Returns an array of image tag links that can be clicked to be inserted
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60 * into a form field.
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63 * @param string the URL to the folder containing the smiley images
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66 if ( ! function_exists('get_clickable_smileys'))
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68 function get_clickable_smileys($image_url = '', $smileys = NULL)
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70 if ( ! is_array($smileys))
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72 if (FALSE === ($smileys = _get_smiley_array()))
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78 // Add a trailing slash to the file path if needed
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79 $image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
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82 foreach ($smileys as $key => $val)
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84 // Keep duplicates from being used, which can happen if the
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85 // mapping array contains multiple identical replacements. For example:
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86 // :-) and :) might be replaced with the same image so both smileys
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87 // will be in the array.
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88 if (isset($used[$smileys[$key][0]]))
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93 $link[] = "<a href=\"javascript:void(0);\" onClick=\"insert_smiley('".$key."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";
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95 $used[$smileys[$key][0]] = TRUE;
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102 // ------------------------------------------------------------------------
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107 * Takes a string as input and swaps any contained smileys for the actual image
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110 * @param string the text to be parsed
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111 * @param string the URL to the folder containing the smiley images
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114 if ( ! function_exists('parse_smileys'))
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116 function parse_smileys($str = '', $image_url = '', $smileys = NULL)
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118 if ($image_url == '')
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123 if ( ! is_array($smileys))
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125 if (FALSE === ($smileys = _get_smiley_array()))
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131 // Add a trailing slash to the file path if needed
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132 $image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
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134 foreach ($smileys as $key => $val)
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136 $str = str_replace($key, "<img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" />", $str);
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143 // ------------------------------------------------------------------------
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148 * Fetches the config/smiley.php file
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153 if ( ! function_exists('_get_smiley_array'))
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155 function _get_smiley_array()
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157 if ( ! file_exists(APPPATH.'config/smileys'.EXT))
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162 include(APPPATH.'config/smileys'.EXT);
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164 if ( ! isset($smileys) OR ! is_array($smileys))
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174 /* End of file smiley_helper.php */
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175 /* Location: ./system/helpers/smiley_helper.php */