1. 2009-IASSIST-A1-JVJ 1 Layering an editor User experience Choices made Leaving the back door open Filling in those boxes

2. 2009-IASSIST-A1-JVJ 2 User experience DDI context  Conceptual view of the life cycle, questionnaire design and data structure

3. 2009-IASSIST-A1-JVJ 3

4. 4 Sizing performance Traditional techniques  Document Object Model  Simple API for XML  Pull parsing DDI introduces hugeness  Default implementation Oracle Berkeley DBXML  Data base environment

5. 2009-IASSIST-A1-JVJ 5 Moving around in the standard Querying  XQuery with stripping out namespaces prefixes Listing  Light DDI XmlBeans Objects Self identification, parent identification and label text Editing  DDI XmlBeans Objects defined previously in DDI Foundation Tools Project Updating  XQuery Update specification

6. 2009-IASSIST-A1-JVJ 6 The actual layering

7. 2009-IASSIST-A1-JVJ 7 Leaving the back door open Hooking into RCP with logic features Adding a resource store complaint to XQuery Update Using the back end for other purposes DDI using other standards DDI changes

8. 2009-IASSIST-A1-JVJ 8 Filling in those boxes UI  Extending basic ui framework  Adding DDI prospectives, views and editors Back end  OSGi bundling  Implement logic  Fine tuning DBXml

9. 2009-IASSIST-A1-JVJ 9 Thanks - Questions Contact - Jannik V. Jensen - jvj@dda.dk DDI FTP – Website - tools.ddialliance.org