youtube.php

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<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

class MytsYoutube extends MyTextSanitizerExtension
{
    public function encode($textarea_id)
    {
        $code = "<img src='{$this->image_path}/youtube.gif' alt='" . XoopsLocale::YOUTUBE . "' onclick='xoopsCodeYoutube(\"{$textarea_id}\",\"" . htmlspecialchars(XoopsLocale::YOUTUBE_URL, ENT_QUOTES) . "\",\"" . htmlspecialchars(XoopsLocale::HEIGHT, ENT_QUOTES) . "\",\"" . htmlspecialchars(XoopsLocale::WIDTH, ENT_QUOTES) . "\");'  onmouseover='style.cursor=\"hand\"'/>&nbsp;";
        $javascript = <<<EOH
            function xoopsCodeYoutube(id, enterFlashPhrase, enterFlashHeightPhrase, enterFlashWidthPhrase)
            {
                var selection = xoopsGetSelect(id);
                if (selection.length > 0) {
                    var text = selection;
                } else {
                    var text = prompt(enterFlashPhrase, "");
                }
                var domobj = xoopsGetElementById(id);
                if ( text.length > 0 ) {
                    var text2 = prompt(enterFlashWidthPhrase, "425");
                    var text3 = prompt(enterFlashHeightPhrase, "350");
                    var result = "[youtube="+text2+","+text3+"]" + text + "[/youtube]";
                    xoopsInsertText(domobj, result);
                }
                domobj.focus();
            }
EOH;

        return array($code, $javascript);
    }

static function myCallback($match) {
    return  self::decode( $match[4], $match[2], $match[3] );
}

    public function load(MyTextSanitizer &$ts)
    {
//        $ts->patterns[] = "/\[youtube=(['\"]?)([^\"']*),([^\"']*)\\1]([^\"]*)\[\/youtube\]/esU";
//        $ts->replacements[] = __CLASS__ . "::decode( '\\4', '\\2', '\\3' )";

//mb------------------------------
        $ts->callbackPatterns[] = "/\[youtube=(['\"]?)([^\"']*),([^\"']*)\\1]([^\"]*)\[\/youtube\]/sU";
        $ts->callbacks[] = __CLASS__ . "::myCallback";
//mb------------------------------

    }

    public static function decode($url, $width, $height)
    {
        if (!preg_match("/^http[s]?:\/\/(www\.)?youtube\.com\/watch\?v=(.*)/i", $url, $matches)) {
            trigger_error("Not matched: {$url} {$width} {$height}", E_USER_WARNING);
            return "";
        }
        $src = "http://www.youtube.com/v/" . $matches[2];
        if (empty($width) || empty($height)) {
            if (!$dimension = @getimagesize($src)) {
                return "";
            }
            if (!empty($width)) {
                $height = $dimension[1] * $width / $dimension[0];
            } else {
                if (!empty($height)) {
                    $width = $dimension[0] * $height / $dimension[1];
                } else {
                    list($width, $height) = array($dimension[0], $dimension[1]);
                }
            }
        }
        $code = "<object width='{$width}' height='{$height}'><param name='movie' value='{$src}'></param>" . "<param name='wmode' value='transparent'></param>" . "<embed src='{$src}' type='application/x-shockwave-flash' wmode='transparent' width='425' height='350'></embed>" . "</object>";
        return $code;
    }
}