diff options
Diffstat (limited to 'system/helpers/smiley_helper.php')
| -rw-r--r-- | system/helpers/smiley_helper.php | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php new file mode 100644 index 000000000..f085e53b1 --- /dev/null +++ b/system/helpers/smiley_helper.php @@ -0,0 +1,273 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter Smiley Helpers + * + * @package CodeIgniter + * @subpackage Helpers + * @category Helpers + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/helpers/smiley_helper.html + */ + +// ------------------------------------------------------------------------ + +/** + * Smiley Javascript + * + * Returns the javascript required for the smiley insertion. Optionally takes + * an array of aliases to loosely couple the smiley array to the view. + * + * @access public + * @param mixed alias name or array of alias->field_id pairs + * @param string field_id if alias name was passed in + * @return array + */ +if ( ! function_exists('smiley_js')) +{ + function smiley_js($alias = '', $field_id = '') + { + static $do_setup = TRUE; + + $r = ''; + + if ($alias != '' && ! is_array($alias)) + { + $alias = array($alias => $field_id); + } + + if ($do_setup === TRUE) + { + $do_setup = FALSE; + + $m = array(); + + if (is_array($alias)) + { + foreach($alias as $name => $id) + { + $m[] = '"'.$name.'" : "'.$id.'"'; + } + } + + $m = '{'.implode(',', $m).'}'; + + $r .= <<<EOF + + var smiley_map = {$m}; + + function insert_smiley(smiley, field_id) { + var el = document.getElementById(field_id), newStart; + + if ( ! el && smiley_map[field_id]) { + el = document.getElementById(smiley_map[field_id]); + + if ( ! el) + return false; + } + + el.focus(); + smiley = " " + smiley; + + if ('selectionStart' in el) { + newStart = el.selectionStart + smiley.length; + + el.value = el.value.substr(0, el.selectionStart) + + smiley + + el.value.substr(el.selectionEnd, el.value.length); + el.setSelectionRange(newStart, newStart); + } + else if (document.selection) { + document.selection.createRange().text = text; + } + } +EOF; + } + else + { + if (is_array($alias)) + { + foreach($alias as $name => $id) + { + $r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n"; + } + } + } + + return '<script type="text/javascript" charset="utf-8">'.$r.'</script>'; + } +} + +// ------------------------------------------------------------------------ + +/** + * 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 + */ +if ( ! function_exists('get_clickable_smileys')) +{ + function get_clickable_smileys($image_url, $alias = '', $smileys = NULL) + { + // For backward compatibility with js_insert_smiley + + if (is_array($alias)) + { + $smileys = $alias; + } + + if ( ! is_array($smileys)) + { + if (FALSE === ($smileys = _get_smiley_array())) + { + return $smileys; + } + } + + // Add a trailing slash to the file path if needed + $image_url = rtrim($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."', '".$alias."')\"><img src=\"".$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 $link; + } +} + +// ------------------------------------------------------------------------ + +/** + * Parse Smileys + * + * Takes a string as input and swaps any contained smileys for the actual image + * + * @access public + * @param string the text to be parsed + * @param string the URL to the folder containing the smiley images + * @return string + */ +if ( ! function_exists('parse_smileys')) +{ + function parse_smileys($str = '', $image_url = '', $smileys = NULL) + { + if ($image_url == '') + { + return $str; + } + + if ( ! is_array($smileys)) + { + 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 $str; + } +} + +// ------------------------------------------------------------------------ + +/** + * Get Smiley Array + * + * Fetches the config/smiley.php file + * + * @access private + * @return mixed + */ +if ( ! function_exists('_get_smiley_array')) +{ + function _get_smiley_array() + { + if ( ! file_exists(APPPATH.'config/smileys'.EXT)) + { + return FALSE; + } + + include(APPPATH.'config/smileys'.EXT); + + if ( ! isset($smileys) OR ! is_array($smileys)) + { + return FALSE; + } + + return $smileys; + } +} + +// ------------------------------------------------------------------------ + +/** + * JS Insert Smiley + * + * Generates the javascript function needed to insert smileys into a form field + * + * DEPRECATED as of version 1.7.2, use smiley_js instead + * + * @access public + * @param string form name + * @param string field name + * @return string + */ +if ( ! function_exists('js_insert_smiley')) +{ + function js_insert_smiley($form_name = '', $form_field = '') + { + return <<<EOF +<script type="text/javascript"> + function insert_smiley(smiley) + { + document.{$form_name}.{$form_field}.value += " " + smiley; + } +</script> +EOF; + } +} + + +/* End of file smiley_helper.php */ +/* Location: ./system/helpers/smiley_helper.php */
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