Your IP : 172.28.240.42
<?php
/**
* @file
* @brief sigplus Image Gallery Plus image processing library list control
* @author Levente Hunyadi
* @version 1.3.4
* @remarks Copyright (C) 2009-2011 Levente Hunyadi
* @remarks Licensed under GNU/GPLv3, see http://www.gnu.org/licenses/gpl-3.0.html
* @see http://hunyadi.info.hu/projects/sigplus
*/
/*
* sigplus Image Gallery Plus plug-in for Joomla
* Copyright 2009-2010 Levente Hunyadi
*
* sigplus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* sigplus 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
// This file is fully compatible with PHP 4.
/**
* True if the server has GD library enabled with JPEG, PNG and GIF read support.
*/
function is_gd_supported() {
$supported = extension_loaded('gd');
if (!$supported) {
return false;
}
$supported = function_exists('gd_info'); // might fail in rare cases even if GD is available
if (!$supported) {
return false;
}
$gd = gd_info();
$supported = isset($gd['GIF Read Support']) && $gd['GIF Read Support']
&& isset($gd['GIF Create Support']) && $gd['GIF Create Support']
&& (isset($gd['JPG Support']) && $gd['JPG Support'] || isset($gd['JPEG Support']) && $gd['JPEG Support'])
&& isset($gd['PNG Support']) && $gd['PNG Support'];
return $supported;
}
function is_imagick_supported() {
$supported = extension_loaded('imagick');
if (!$supported) {
return false;
}
$supported = class_exists('Imagick');
return $supported;
}
/**
* Renders a control that lists all supported image processing libraries.
* This class represents a user-defined control in the administration backend.
*/
class JElementImageLibraryList extends JElement {
/**
* Element type.
*/
var $_name = 'ImageLibraryList';
/**
* Generates an HTML @c select list with options.
* @param name The value of the HTML name attribute.
* @param attribs Additional HTML attributes for the <select> tag.
* @param selected The key that is selected.
* @return HTML for the select list.
*/
/*private*/ function renderHtmlSelect($options, $name, $attribs = null, $selected = null, $idtag = false) {
if (is_array($attribs)) {
$attribs = JArrayHelper::toString($attribs);
}
$id = $name;
if ($idtag) {
$id = $idtag;
}
$id = str_replace('[','',$id);
$id = str_replace(']','',$id);
$html = '<select name="'. $name .'" id="'. $id .'" '. $attribs .'>';
foreach ($options as $value => $textkey) {
$html .= '<option '.( $selected == $value ? 'selected="selected" ' : '' ).'value="'.$value.'">'.JText::_($textkey).'</option>';
}
$html .= '</select>';
return $html;
}
/*private*/ function renderNone($text, $name, $attribs = null, $idtag = false) {
if (is_array($attribs)) {
$attribs = JArrayHelper::toString($attribs);
}
$id = $name;
if ($idtag) {
$id = $idtag;
}
$id = str_replace('[','',$id);
$id = str_replace(']','',$id);
return '<span style="color:red" '.$attribs.'><input type="hidden" name="'.$name.'" id="'.$id.'" value="none" />'.JText::_($text).'</span>';
}
/*public*/ function fetchElement($name, $value, &$node, $control_name) {
$class = ( $node->attributes('class') ? 'class="'.$node->attributes('class').'"' : 'class="inputbox"' );
// user-friendly names for image processing libraries
$items = array();
foreach ($node->children() as $o) {
$val = $o->attributes('value');
$textkey = $o->data();
$items[$val] = $textkey;
}
// test which image processing libraries are supported
$supported = array();
if (is_gd_supported()) {
$supported['gd'] = 'GD';
}
if (is_imagick_supported()) {
$supported['imagick'] = 'ImageMagick';
}
if (empty($supported)) { // no library is supported
if (isset($items['none'])) {
$textkey = $items['none'];
} else {
$textkey = 'none';
}
return $this->renderNone($textkey, $control_name.'['.$name.']', $class, $control_name.$name);
} else { // at least a single library is supported
$supported['default'] = 'default';
foreach ($items as $key => $textkey) {
if (isset($supported[$key])) {
$supported[$key] = $textkey;
}
}
return $this->renderHtmlSelect($supported, $control_name.'['.$name.']', $class, $value, $control_name.$name);
}
}
}