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File: codeigniter/system/helpers/smiley_helper.php

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File: codeigniter/system/helpers/smiley_helper.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: Dwitri PHP Social Network Platform
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Date: 2 years ago
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<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package CodeIgniter
 * @author EllisLab Dev Team
 * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
 * @license http://opensource.org/licenses/MIT MIT License
 * @link https://codeigniter.com
 * @since Version 1.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * CodeIgniter Smiley Helpers
 *
 * @package CodeIgniter
 * @subpackage Helpers
 * @category Helpers
 * @author EllisLab Dev Team
 * @link https://codeigniter.com/user_guide/helpers/smiley_helper.html
 * @deprecated 3.0.0 This helper is too specific for CI.
 */

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

if ( ! function_exists('smiley_js'))
{
   
/**
     * 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.
     *
     * @param mixed alias name or array of alias->field_id pairs
     * @param string field_id if alias name was passed in
     * @param bool
     * @return array
     */
   
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;
        }
        elseif (
is_array($alias))
        {
            foreach (
$alias as $name => $id)
            {
               
$r .= 'smiley_map["'.$name.'"] = "'.$id."\";\n";
            }
        }

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

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

if ( ! function_exists('get_clickable_smileys'))
{
   
/**
     * Get Clickable Smileys
     *
     * Returns an array of image tag links that can be clicked to be inserted
     * into a form field.
     *
     * @param string the URL to the folder containing the smiley images
     * @param array
     * @return array
     */
   
function get_clickable_smileys($image_url, $alias = '')
    {
       
// For backward compatibility with js_insert_smiley
       
if (is_array($alias))
        {
           
$smileys = $alias;
        }
        elseif (
FALSE === ($smileys = _get_smiley_array()))
        {
            return
FALSE;
        }

       
// 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].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" /></a>';
           
$used[$smileys[$key][0]] = TRUE;
        }

        return
$link;
    }
}

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

if ( ! function_exists('parse_smileys'))
{
   
/**
     * Parse Smileys
     *
     * Takes a string as input and swaps any contained smileys for the actual image
     *
     * @param string the text to be parsed
     * @param string the URL to the folder containing the smiley images
     * @param array
     * @return string
     */
   
function parse_smileys($str = '', $image_url = '', $smileys = NULL)
    {
        if (
$image_url === '' OR ( ! is_array($smileys) && FALSE === ($smileys = _get_smiley_array())))
        {
            return
$str;
        }

       
// Add a trailing slash to the file path if needed
       
$image_url = rtrim($image_url, '/').'/';

        foreach (
$smileys as $key => $val)
        {
           
$str = str_replace($key, '<img src="'.$image_url.$smileys[$key][0].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" />', $str);
        }

        return
$str;
    }
}

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

if ( ! function_exists('_get_smiley_array'))
{
   
/**
     * Get Smiley Array
     *
     * Fetches the config/smiley.php file
     *
     * @return mixed
     */
   
function _get_smiley_array()
    {
        static
$_smileys;

        if ( !
is_array($_smileys))
        {
            if (
file_exists(APPPATH.'config/smileys.php'))
            {
                include(
APPPATH.'config/smileys.php');
            }

            if (
file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
            {
                include(
APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
            }

            if (empty(
$smileys) OR ! is_array($smileys))
            {
               
$_smileys = array();
                return
FALSE;
            }

           
$_smileys = $smileys;
        }

        return
$_smileys;
    }
}