Adding controls to page or container should replace existing control with the
same name
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Key: CLK-666
URL: https://issues.apache.org/jira/browse/CLK-666
Project: Click
Issue Type: Improvement
Components: core
Affects Versions: 2.1.0
Reporter: Bob Schellink
Assignee: Bob Schellink
Fix For: 2.2.0
When adding controls, Click throws an exception if the Page or Container
already contains a control with the same name. Page and Panel models behave
similarly.
This behavior protects users from accidentally adding controls with the same
name, but at the same time doesn't work well for stateful pages where existing
controls should be replaced.
The proposed change is to *not* throw an exception and simply replace the
existing control or model object.
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