Nested DSL UI Suggestion ------------------------ Key: JBRULES-2891 URL: https://issues.jboss.org/browse/JBRULES-2891 Project: Drools Issue Type: Feature Request Security Level: Public(Everyone can see) Components: drools-guvnor Affects Versions: 5.1.1.FINAL Reporter: Brad Davis Assignee: Mark Proctor Priority: Minor Attachments: current-fact-entry.jpg When there is a large set of DSL, with nested statements, the UI for Rules creation becomes cluttered. I propose that we change the simple List to a expandable table structure for Fact Assertion. For Example, [when]There is a Patient with Cholesterol Readings=$c : Cholesterol() [when]-With the Gender {gender}=patient.gender=="{gender}" [when]-With Age Between {lower:[0-9]+} and {upper}=patient.age <= {lower}, patient.age >= {upper} [when]-With Cholesterol of {cholesterol} mg/dl or above=mgdl >={cholesterol} [when]-With Cholesterol of {cholesterol} mg/dl or below=mgdl <={cholesterol} [when]-With Cholesterol between {lower} mg/dl and {upper} mg/dl=mgdl >={lower}, mgdl<={upper} This leads to fact entry such as the screenshot attached. As you can imagine, creating rules with many DSLs would become overwhelming quickly to sort through. I think maybe we should use a Tree view instead of a list here. This would allow you to drill down to nested DSL statements. Also, when creating a child of the DSL statement, only the children DRL statements should be displayed on the screen. Attached are the current entry, and a mockup of how I would like to see this working in the future. I think it could simplify and organize the fact creation quite a bit.