// @link WebViewerInstance: https://www.pdftron.com/api/web/WebViewerInstance.html // @link UI.setLanguage: https://www.pdftron.com/api/web/UI.html#setLanguage__anchor WebViewer( { path: '../../../lib', additionalTranslations: { language: 'en', translations: { 'option.toolbarGroup.toolbarGroup-View': 'Edited View Label' }, }, initialDoc: 'https://pdftron.s3.amazonaws.com/downloads/pl/demo-annotated.pdf', }, document.getElementById('viewer') ).then(instance => { samplesSetup(instance); document.getElementById('form').onchange = e => { // Set language instance.UI.setLanguage(e.target.id); }; // To Create a new button into the settings menu and set the translation instance.UI.settingsMenuOverlay.add( { type: 'actionButton', className: 'row', dataElement: 'languageButton', label: 'Language', }, 'downloadButton' ); });