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<?php
/**
* Implements Special:Filepath
*
* 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
*/
/**
* A special page that redirects to the URL of a given file
*
* @ingroup SpecialPage
*/
class SpecialFilepath extends SpecialPage {
function __construct() {
parent::__construct( 'Filepath' );
}
function execute( $par ) {
$this->setHeaders();
$this->outputHeader();
$request = $this->getRequest();
$file = !is_null( $par ) ? $par : $request->getText( 'file' );
$title = Title::newFromText( $file, NS_FILE );
if ( ! $title instanceof Title || $title->getNamespace() != NS_FILE ) {
$this->showForm( $title );
} else {
$file = wfFindFile( $title );
if ( $file && $file->exists() ) {
// Default behaviour: Use the direct link to the file.
$url = $file->getURL();
$width = $request->getInt( 'width', -1 );
$height = $request->getInt( 'height', -1 );
// If a width is requested...
if ( $width != -1 ) {
$mto = $file->transform( array( 'width' => $width, 'height' => $height ) );
// ... and we can
if ( $mto && !$mto->isError() ) {
// ... change the URL to point to a thumbnail.
$url = $mto->getURL();
}
}
$this->getOutput()->redirect( $url );
} else {
$this->getOutput()->setStatusCode( 404 );
$this->showForm( $title );
}
}
}
/**
* @param $title Title
*/
function showForm( $title ) {
global $wgScript;
$this->getOutput()->addHTML(
Html::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'id' => 'specialfilepath' ) ) .
Html::openElement( 'fieldset' ) .
Html::element( 'legend', null, $this->msg( 'filepath' )->text() ) .
Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
Xml::inputLabel( $this->msg( 'filepath-page' )->text(), 'file', 'file', 25, is_object( $title ) ? $title->getText() : '' ) . ' ' .
Xml::submitButton( $this->msg( 'filepath-submit' )->text() ) . "\n" .
Html::closeElement( 'fieldset' ) .
Html::closeElement( 'form' )
);
}
}
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