/lenasys/trunk

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 5.1.6 or newer

 *

 * @package             CodeIgniter

 * @author              ExpressionEngine Dev Team

 * @copyright   Copyright (c) 2008 - 2011, 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 = '', $inline = TRUE)

        {

                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 = smiley;

                                        }

                                }

EOF;

                }

                else

                {

                        if (is_array($alias))

                        {

                                foreach ($alias as $name => $id)

                                {

                                        $r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n";

                                }

                        }

                }

 

                if ($inline)

                {

                        return '<script type="text/javascript" charset="utf-8">/*<![CDATA[ */'.$r.'// ]]></script>';

                }

                else

                {

                        return $r;

                }

        }

}

 

// ------------------------------------------------------------------------

 

/**

 * 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 (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))

                {

                    include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');

                }

                elseif (file_exists(APPPATH.'config/smileys.php'))

                {

                        include(APPPATH.'config/smileys.php');

                }

                

                if (isset($smileys) AND is_array($smileys))

                {

                        return $smileys;

                }

 

                return FALSE;

        }

}

 

// ------------------------------------------------------------------------

 

/**

 * 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 */