The Data Modeler is a graphical tool and part of the range of Web Dynpro tools. Using the Data Modeler provides you with efficient support for a number of central development tasks.
· Controller definition
· Working with View Templates
· Working with the Service Controller
· Copying Context Attribute Values
The perspective area that displays the Data Modeler is the Diagram View. The entities of a Web Dynpro application are created using graphical means. A selection list of Data Modeler actions is available from which you select the relevant entity and insert it in the design area of the Data Modeler.
You have created a project and a corresponding root Web Dynpro component.
To open the Data Modeler, choose Open Data Modeler from the context menufor the component name in the Web Dynpro Explorer. To create an application entity, choose the corresponding Data Modeler action in the tool selection area. Then click on the relevant area in the Data Modeler editor. The corresponding wizard is then started and you can make the required entries.
For example, to define a custom controller, choose Create Custom Controller and then click on the area Custom Controllers. The definition wizard is started automatically.