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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Abstract class for the image link transformations plugins
*
* @package PhpMyAdmin-Transformations
* @subpackage ImageLink
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/* Get the transformations interface */
require_once 'libraries/plugins/TransformationsPlugin.class.php';
/**
* Provides common methods for all of the image link transformations plugins.
*
* @package PhpMyAdmin
*/
abstract class TextImageLinkTransformationsPlugin extends TransformationsPlugin
{
/**
* Gets the transformation description of the specific plugin
*
* @return string
*/
public static function getInfo()
{
return __(
'Displays an image and a link; the column contains the filename. The'
. ' first option is a URL prefix like "http://www.example.com/". The'
. ' second and third options are the width and the height in pixels.'
);
}
/**
* Does the actual work of each specific transformations plugin.
*
* @param string $buffer text to be transformed
* @param array $options transformation options
* @param string $meta meta information
*
* @return string
*/
public function applyTransformation($buffer, $options = array(), $meta = '')
{
$url = (isset($options[0]) ? $options[0] : '') . $buffer;
$parsed = parse_url($url);
/* Do not allow javascript links */
if (isset($parsed['scheme']) && $parsed['scheme'] == 'javascript') {
return htmlspecialchars($url);
}
return '<a href="' . htmlspecialchars($url)
. '" target="_blank"><img src="' . htmlspecialchars($url)
. '" border="0" width="' . (isset($options[1]) ? $options[1] : 100)
. '" height="' . (isset($options[2]) ? $options[2] : 50) . '" />'
. htmlspecialchars($buffer) . '</a>';
}
/**
* This method is called when any PluginManager to which the observer
* is attached calls PluginManager::notify()
*
* @param SplSubject $subject The PluginManager notifying the observer
* of an update.
*
* @todo implement
* @return void
*/
public function update (SplSubject $subject)
{
;
}
/* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
/**
* Gets the transformation name of the specific plugin
*
* @return string
*/
public static function getName()
{
return "Image Link";
}
}
?>
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