To use this Office to HTML (File viewer) you just need to drag and drop "OFFICETOHTML_FileView" block to your screen and set the upload widget id of your screen "select_file".
the "OFFICETOHTML_FileView" block previews your file on the screen here is some customization you can do in your file viewer for PDF, DOCX, PPTX, Sheet and image.
for customization, you just need to open the "Content" block inside the OFFICETOHTMLTraditional module and change the JavaScript code according to you.
IN TRADITIONAL APPLICATION "pdfSetting" MAY NOT WORK PROPERLY
pdfSetting" MAY NOT WORK PROPERLY
options and settings:
pdfSetting:
docxSetting:
pptxSetting:
sheetSetting:
imageSetting: