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Slides form my talk at EclipseCon Europe 2014
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Xtext, !Diagrams !and UXJan Köhnlein - itemis
User eXperience
a person's perceptions and responses that result from the use of
a product, system or service.
It is very emotional and quite subjective.
Good UX is the reason why
people like a product.
Ingredients of UX
• Usability
• Response time
• Consistency
• but most of all…
No Quirks!
Surprise: „Not what I expected“
Damage: „I am losing data“
Impediment: „I cannot do that“
Language IDE Framework
User eXperience of Xtext
• Consistent set of IDE features
• Good integration with Eclipse
• Reasonable response times
• You can customize almost everything
Good!
UX
Xtext + Diagram Editor = Quirks
Linking
Element name!Scopes!
Rename refactoring
Xtext
Element ID!Direct X-ref!
Rename element
Diagram Editor
Direct Editor Sync
Objects are modified!EMF Transaction
Objects are replaced !IXtextDocument
Diagram EditorXtext
Saving Models
Valid!Models
Saveable!in XMI
Diagram EditorXtext
Saveable!in Xtext
TreeNode*
childrenDiagram
Node Edge
edgesnodes * *
node A { node B node C}
Bi-Directional Mapping
A
CB
Diagram { Node A Node B Node C Edge(A,B) Edge(A,C }
Bi-Directional Mapping
Diagram Editor
Xtext Editor
Uni
View
Quirks From Using Diagram Frameworks
„Usability is already addressed by the framework“
„Design is overrated“
Developer CentrismAbstract
everything !
More models !Solve the generic
use case!
Integrate every framework in the
word !
Maximium # of features
private, final, ..
Diagram frameworks prevent you from taking
control over the UX.
Diagram Tool UX
• flawless, modern graphics
• smooth transitions
• self-explaining, haptic behavior
• multi-touch gestures, transparency
+
+
FXDiagram
UX is why people like your product.
Take back control over UX.
And get rid of the Quirks!
XRobots
XRobotsProgram your robot in a web browser. Teach it sumo wrestling.!Challenge others and watch the show at the itemis booth.
join the game at xrobots.itemis.de
