mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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/**
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* Packed image gallery. All images adjusted to be same height.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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class PackedImageGallery extends TraditionalImageGallery {
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function __construct( $mode = 'traditional' ) {
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parent::__construct( $mode );
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// Does not support per row option.
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$this->mPerRow = 0;
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}
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/**
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* We artificially have 1.5 the resolution neccessary so that
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* we can scale it up by that much on the client side, without
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* worrying about requesting a new image.
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*/
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const SCALE_FACTOR = 1.5;
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protected function getVPad( $boxHeight, $thumbHeight ) {
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return ( $this->getThumbPadding() + $boxHeight - $thumbHeight / self::SCALE_FACTOR ) / 2;
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}
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protected function getThumbPadding() {
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return 0;
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}
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protected function getGBPadding() {
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return 2;
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}
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/**
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* @param File $img The file being transformed. May be false
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*/
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protected function getThumbParams( $img ) {
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if ( $img && $img->getMediaType() === MEDIATYPE_AUDIO ) {
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$width = $this->mWidths;
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} else {
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// We want the width not to be the constraining
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// factor, so use random big number.
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$width = $this->mHeights * 10 + 100;
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}
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// self::SCALE_FACTOR so the js has some room to manipulate sizes.
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return array(
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'width' => $width * self::SCALE_FACTOR,
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'height' => $this->mHeights * self::SCALE_FACTOR,
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);
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}
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protected function getThumbDivWidth( $thumbWidth ) {
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// Require at least 60px wide, so caption is wide enough to work.
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if ( $thumbWidth < 60 * self::SCALE_FACTOR ) {
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$thumbWidth = 60 * self::SCALE_FACTOR;
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}
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return $thumbWidth / self::SCALE_FACTOR + $this->getThumbPadding();
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}
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/**
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* @param MediaTransformOutput|bool $thumb the thumbnail, or false if no thumb (which can happen)
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*/
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protected function getGBWidth( $thumb ) {
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$thumbWidth = $thumb ? $thumb->getWidth() : $this->mWidths * self::SCALE_FACTOR;
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return $this->getThumbDivWidth( $thumbWidth ) + $this->getGBPadding();
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}
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protected function adjustImageParameters( $thumb, &$imageParameters ) {
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// Re-adjust back to normal size.
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$imageParameters['override-width'] = ceil( $thumb->getWidth() / self::SCALE_FACTOR );
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$imageParameters['override-height'] = ceil( $thumb->getHeight() / self::SCALE_FACTOR );
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}
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/**
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* Add javascript which auto-justifies the rows by manipulating the image sizes.
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* Also ensures that the hover version of this degrades gracefully.
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*/
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protected function getModules() {
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return array( 'mediawiki.page.gallery' );
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}
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/**
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* Do not support per-row on packed. It really doesn't work
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* since the images have varying widths.
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*/
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public function setPerRow( $num ) {
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return;
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}
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}
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