MediaWiki:Gadget-Global-DownloadPDF.js
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/**
* This script prompts the user to print or download a specified set of pages
* Documentation: https://www.mediawiki.org/wiki/Template:DownloadPDF
* Author: Felipe Schenone (User:Sophivorus)
* License: GNU General Public License (http://www.gnu.org/licenses/gpl.html)
*/
// <nowiki>
var DownloadPDF = {
init: function () {
$( '#mw-content-text' ).find( '.DownloadPDF' ).on( 'click', DownloadPDF.makePDF );
},
makePDF: function () {
// Get the list of pages
var $button = $( this );
var separator = $button.data( 'separator' );
var pages = $button.data( 'pages' );
pages = pages.split( separator );
// Make the wikitext of the book
var wikitext = '';
for ( var page of pages ) {
wikitext += '\n<div class="DownloadPDF-chapter">';
wikitext += '\n<h1 class="DownloadPDF-chapter-title">' + page + '</h1>';
wikitext += '\n<div class="DownloadPDF-chapter-content">{{:' + page + '}}</div>';
wikitext += '\n</div>';
}
// Get the HTML of the book
new mw.Api().parse( wikitext ).then( function ( html ) {
// Save HTML of whatever page we're at to restore it later
var $pageContent = $( '#mw-content-text .mw-parser-output' );
var pageContent = $pageContent.html();
// Replace the page HTML for the book HTML
$pageContent.html( html );
// Wait for all images to load
// @todo Use something like https://stackoverflow.com/a/75570052/809356
setTimeout( function () {
// Hide elements we don't want to print
var $firstHeading = $( '#firstHeading' );
$firstHeading.hide();
// Finally, print
window.print();
// After print, restore the original page
$firstHeading.show();
$pageContent.html( pageContent );
}, 1000 );
} );
}
};
$( DownloadPDF.init );
// </nowiki>