Constructor code obstructs extendibility of components
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Key: WICKET-1477
URL: https://issues.apache.org/jira/browse/WICKET-1477
Project: Wicket
Issue Type: Improvement
Components: wicket, wicket-extensions
Affects Versions: 1.3.2
Reporter: Rens Verhage
Fix For: 1.4-M1
A lot of components contain way too much initializing code in their
constructors. In my opinion a constructor ideally should only call super and
set some private properties. In the current situation I'm very limited in
extending components for custom usage. An example:
I'd like to change the hierarchy of the DataGridView in a DataTable. Therefore
I'd like to extend DataTable. However, since the DataTable constructs its
DataGridView inside its constructor, I'm obliged to implement my own DataTable
by copy pasting everything from the wicket-extensions DataTable class. I can
live with that, but now I have lost the ability to add toolbars to my DataTable
as the AbstractToolbar expects a wicket-extensions DataTable as one of its
constructor parameters. Is it possible to revise Wicket's components and move
initializing code to a init() method so I can just override 1 simple method
instead of reimplementing the whole Wicket framework ;) ?
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