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<?php
/**
* Resource loader module for user preference customizations.
*
* 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
* @author Trevor Parscal
* @author Roan Kattouw
*/
/**
* Module for user preference customizations
*/
class ResourceLoaderUserCSSPrefsModule extends ResourceLoaderModule {
protected $origin = self::ORIGIN_CORE_INDIVIDUAL;
/**
* @return bool
*/
public function enableModuleContentVersion() {
return true;
}
/**
* @param ResourceLoaderContext $context
* @return array
*/
public function getStyles( ResourceLoaderContext $context ) {
if ( !$this->getConfig()->get( 'AllowUserCssPrefs' ) ) {
return array();
}
$options = $context->getUserObj()->getOptions();
// Build CSS rules
$rules = array();
// Underline: 2 = browser default, 1 = always, 0 = never
if ( $options['underline'] < 2 ) {
$rules[] = "a { text-decoration: " .
( $options['underline'] ? 'underline' : 'none' ) . "; }";
} else {
# The scripts of these languages are very hard to read with underlines
$rules[] = 'a:lang(ar), a:lang(kk-arab), a:lang(mzn), ' .
'a:lang(ps), a:lang(ur) { text-decoration: none; }';
}
if ( $options['editfont'] !== 'default' ) {
// Double-check that $options['editfont'] consists of safe characters only
if ( preg_match( '/^[a-zA-Z0-9_, -]+$/', $options['editfont'] ) ) {
$rules[] = "textarea { font-family: {$options['editfont']}; }\n";
}
}
$style = implode( "\n", $rules );
if ( $this->getFlip( $context ) ) {
$style = CSSJanus::transform( $style, true, false );
}
return array( 'all' => $style );
}
/**
* @return string
*/
public function getGroup() {
return 'private';
}
}
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