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<?php
/**
* License selector for use on Special:Upload.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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. 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
* @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
/**
* A License class for use on Special:Upload
*/
class Licenses extends HTMLFormField {
/** @var string */
protected $msg;
/** @var array */
protected $licenses = [];
/** @var string */
protected $html;
/**#@-*/
/**
* @param array $params
*/
public function __construct( $params ) {
parent::__construct( $params );
$this->msg = empty( $params['licenses'] )
? wfMessage( 'licenses' )->inContentLanguage()->plain()
: $params['licenses'];
$this->selected = null;
$this->makeLicenses();
}
/**
* @private
*/
protected function makeLicenses() {
$levels = [];
$lines = explode( "\n", $this->msg );
foreach ( $lines as $line ) {
if ( strpos( $line, '*' ) !== 0 ) {
continue;
} else {
list( $level, $line ) = $this->trimStars( $line );
if ( strpos( $line, '|' ) !== false ) {
$obj = new License( $line );
$this->stackItem( $this->licenses, $levels, $obj );
} else {
if ( $level < count( $levels ) ) {
$levels = array_slice( $levels, 0, $level );
}
if ( $level == count( $levels ) ) {
$levels[$level - 1] = $line;
} elseif ( $level > count( $levels ) ) {
$levels[] = $line;
}
}
}
}
}
/**
* @param string $str
* @return array
*/
protected function trimStars( $str ) {
$numStars = strspn( $str, '*' );
return [ $numStars, ltrim( substr( $str, $numStars ), ' ' ) ];
}
/**
* @param array $list
* @param array $path
* @param mixed $item
*/
protected function stackItem( &$list, $path, $item ) {
$position =& $list;
if ( $path ) {
foreach ( $path as $key ) {
$position =& $position[$key];
}
}
$position[] = $item;
}
/**
* @param array $tagset
* @param int $depth
*/
protected function makeHtml( $tagset, $depth = 0 ) {
foreach ( $tagset as $key => $val ) {
if ( is_array( $val ) ) {
$this->html .= $this->outputOption(
$key, '',
[
'disabled' => 'disabled',
'style' => 'color: GrayText', // for MSIE
],
$depth
);
$this->makeHtml( $val, $depth + 1 );
} else {
$this->html .= $this->outputOption(
$val->text, $val->template,
[ 'title' => '{{' . $val->template . '}}' ],
$depth
);
}
}
}
/**
* @param string $message
* @param string $value
* @param null|array $attribs
* @param int $depth
* @return string
*/
protected function outputOption( $message, $value, $attribs = null, $depth = 0 ) {
$msgObj = $this->msg( $message );
$text = $msgObj->exists() ? $msgObj->text() : $message;
$attribs['value'] = $value;
if ( $value === $this->selected ) {
$attribs['selected'] = 'selected';
}
$val = str_repeat( /*   */ "\xc2\xa0", $depth * 2 ) . $text;
return str_repeat( "\t", $depth ) . Xml::element( 'option', $attribs, $val ) . "\n";
}
/**#@-*/
/**
* Accessor for $this->licenses
*
* @return array
*/
public function getLicenses() {
return $this->licenses;
}
/**
* Accessor for $this->html
*
* @param bool $value
*
* @return string
*/
public function getInputHTML( $value ) {
$this->selected = $value;
$this->html = $this->outputOption( wfMessage( 'nolicense' )->text(), '',
(bool)$this->selected ? null : [ 'selected' => 'selected' ] );
$this->makeHtml( $this->getLicenses() );
$attribs = [
'name' => $this->mName,
'id' => $this->mID
];
if ( !empty( $this->mParams['disabled'] ) ) {
$attibs['disabled'] = 'disabled';
}
return Html::rawElement( 'select', $attribs, $this->html );
}
}
/**
* A License class for use on Special:Upload (represents a single type of license).
*/
class License {
/** @var string */
public $template;
/** @var string */
public $text;
/**
* @param string $str License name??
*/
function __construct( $str ) {
list( $text, $template ) = explode( '|', strrev( $str ), 2 );
$this->template = strrev( $template );
$this->text = strrev( $text );
}
}