Dan Haywood created ISIS-979:
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Summary: Provide a new widget for collections to render hierachies
in a tree-table.
Key: ISIS-979
URL: https://issues.apache.org/jira/browse/ISIS-979
Project: Isis
Issue Type: New Feature
Components: Core, Viewer: Wicket
Affects Versions: core-1.7.0, viewer-wicket-1.7.0
Reporter: Dan Haywood
Assignee: Dan Haywood
Fix For: viewer-wicket-1.9.0, core-1.9.0
For example, in Estatio there are several hierarchies
EstatioInstance ("global") /
EstatioInstance ("italy") /
EstatioInstance ("Roma shopping mall")
or:
Property/
Floor/
Unit
We'd like to render these objects in a single tree/table collection.
~~~
We should distinguish two cases:
- where all the rows are of the same type (EstatioInstance, turtles all the way
down).
- where all the rows are of different types (Property/Floor/Unit)
For the former, the columns to use are exactly those of the (single) class.
For the latter, things are more complicated, as all the objects are of
different class. It's not clear to me what (apart from an icon and a title)
should be shown as columns. Perhaps just the intersection of those properties
that are common across all types (eg name?) . Or perhaps there's metadata (in
@PropertyLayout(...)) to specify that a particular property should always be
shown in such tree/table collections, even if it is null for other rows for
instances of some other class.
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