taking sakai offline with gwt and gg 11 march 2008
TRANSCRIPT
Taking Sakai offline with GWT and GG
11 March 2008
Taking Sakai offline
• Why• Which Sakai tools• Tools and Technologies • The GWT interface• Schematic design• Offline navigation• Challenges• Demonstration
Why
• On request from NWU• Off-campus learners• Local bandwidth• Connection costs• Commuting, time wasted• Learning/working anywhere, any time
Which Sakai tools
• Announcements• Resource • Melete• Samigo/Mneme
Tools and Technologies
• Google Gears (GG) with SQLite• Google Web Toolkit (GWT)• GWT-EXT• Native JavaScript• CSS Stylesheets• Remote Procedure Calls• Eclipse IDE with Java 1.4
The GWT interface
Corporate Banner
Site navigation
Toolbar
Content IFRAME GWT panel
Status and logging
Web browser: IE/Mozilla, Win/Linux/Mac
Web Browser SAKAI
SQLite
GG Cache
GW
T - A
JAX
JAVA development - ECLIPSE IDE
Secure SOC Entry
Synclist
Navigation Treeview
SAKAI Content
google.com
GG Sync SAKAI Auth
Synclist Generator
OPML Tool
Resource
Announce
Melete
Mneme
OF
FLIN
E P
OR
TA
L
Solo DB
CD-ROMLarge Resources
Resource Export
Schematic
Online/O
ffline
Synclist Generator
Configuration Tool
GWT tool interface
Online/Offline Navigation
Navigation XML generator
Site navigator
OPML generator
Clean Tool content
Tool navigator
Sakai Tool content
SAKAIGWT
Go
og
le G
ea
rs
Progress
• Phase I - 95%– GWT client– GG Sync– SQLite database– CSS
• Phase II – 5%– RPC servlet – Caching– New Sakai tool– Navigation XML
The Challenges
• GWT – write in Java, run in JavaScript• Resuming broken downloads• Smooth downloads with progress bar• GG sync from a CD• RPC from GWT client to a Sakai servlet• Handling links to other tools• Catering for users in PC-labs• Making it all work together
More information
• http://gears.google.com/• http://code.google.com/webtoolkit/• http://www.gwt-ext.com/demo/ (good example)• http://groups.google.com/group/gwt-ext• http://www.sqlite.org/
Web: www.psybergate.co.za
Email:[email protected]@psybergate.co.za