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<?php
/**
* @file
* @brief sigplus Image Gallery Plus image processing library list control
* @author Levente Hunyadi
* @version 1.5.0
* @remarks Copyright (C) 2009-2017 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 2009-2017 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();
require_once dirname(__FILE__).DIRECTORY_SEPARATOR.'constants.php';
jimport('joomla.form.formfield');
require_once JPATH_ROOT.DIRECTORY_SEPARATOR.'plugins'.DIRECTORY_SEPARATOR.'content'.DIRECTORY_SEPARATOR.SIGPLUS_PLUGIN_FOLDER.DIRECTORY_SEPARATOR.'core'.DIRECTORY_SEPARATOR.'librarian.php';
/**
* Renders a control that lists all supported image processing libraries.
* This class represents a user-defined control in the administration backend.
*/
class JFormFieldImageLibraryList extends JFormField {
protected $type = 'ImageLibraryList';
/**
* Generates an HTML @c select list with options.
* @param name The value of the HTML name attribute.
* @param attribs Additional HTML attributes for the <select> tag.
* @param selected The key that is selected.
* @return HTML for the select list.
*/
private function renderHtmlSelect($options, $name, $attribs = null, $selected = null) {
if (is_array($attribs)) {
$attribs = JArrayHelper::toString($attribs);
}
$html = '<select name="'. $name .'" '. $attribs .'>';
foreach ($options as $value => $textkey) {
$html .= '<option '.( $selected == $value ? 'selected="selected" ' : '' ).'value="'.$value.'">'.JText::_($textkey).'</option>';
}
$html .= '</select>';
return $html;
}
private function renderNone($text, $name, $attribs = null) {
if (is_array($attribs)) {
$attribs = JArrayHelper::toString($attribs);
}
return '<span style="color:red" '.$attribs.'><input type="hidden" name="'.$name.'" value="none" />'.JText::_($text).'</span>';
}
public function getInput() {
$class = ( isset($this->element['class']) ? 'class="'.(string)$this->element['class'].'"' : 'class="inputbox"' );
// user-friendly names for image processing libraries
$items = array();
foreach ($this->element->option as $o) {
$val = (string)$o['value']; // attribute "value"
$textkey = (string)$o; // element text content
$items[$val] = $textkey;
}
// test which image processing libraries are supported
$supported = array();
if (is_gd_supported()) {
$supported['gd'] = 'GD'; // localized when control HTML code is generated
}
if (is_gmagick_supported()) {
$supported['gmagick'] = 'GraphicsMagick';
}
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, $this->name, $class);
} 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, $this->name, $class, $this->value);
}
}
}
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