Collaborative Editing on ODF Documents

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Presentation transcript:

Collaborative Editing on ODF Documents Many Users, One Doc Collaborative Editing on ODF Documents Jos van den Oever

Collaboration scenarios One author, many readers Many authors software, alternating editing sessions Many authors, working on one document at the same time WebODF

WebODF A JavaScript/HTML5 library that makes it easy to: • Add ODF support to your (mobile) application • Add ODF support to your website on your server compiled into one file: webodf.js (66k gzipped) http://webodf.org

The Web: faster and standard abiding HTML, CSS, JavaScript, SVG, RDF

HTML and ODF are similar XML CSS PNG,JPEG, SVG JavaScript XML ODF Styles PNG,JPEG, SVG ZIP HTML ODF

One author, many readers Demo with LibreOffice and Viewer.js

WebODF: no conversion, just ODF.

Collaboration scenarios WebODF feature areas One author, many readers viewerjs.org Many authors software, alternating editing sessions WebODF editor Many authors, working on one document at the same time WebODF collaborative editing WebODF

Demo • Exchange an ODF file between LibreOffice WebODF

The ZIP contains: content.xml, styles.xml, settings.xml, meta.xml

Advantages of WebODF Free Software Only one JavaScript file The DOM is available Can be embedded in websites and applications Code is JavaScript with static type checks and many unit tests

Collaborative editing Users that are far apart can work together in real-time on the same document

Many users, one doc ⟷ James Brenda ⤡ ⤢ Alice

Many users, one doc ⟷ James Brenda ⤡ ⤢ Alice

Pioneers in the browser • Launched in November 2008 • Bought by Google in 2009 and open sourced

Etherpad

Etherpad

Collaborative Editing Pilot • Feature parity with Etherpad • ODF as the file format • WebODF as viewing and editing component Future: Collaborative editing standardized in ODF

Implementation ⤢ ⤡ ⇄ • Each edit action is an operation • Operations are sent to the central node • Central node can be a server or participant • Web Socket, GET/PUT, minimal server logic ⤢ ⤡ ⇄

Collaborative editing

Demo be gentle

Summary • For digital freedom, we need standardized file formats • KDE participates in standards • Calligra and WebODF implement ODF • Collaborative editing is next