Martin Grigorov created WICKET-6148:
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Summary: Remove AjaxEventBehavior#onCheckEvent() before Wicket
8.0.0
Key: WICKET-6148
URL: https://issues.apache.org/jira/browse/WICKET-6148
Project: Wicket
Issue Type: Task
Components: wicket
Reporter: Martin Grigorov
Priority: Minor
org.apache.wicket.ajax.AjaxEventBehavior#onCheckEvent() will throw an exception
if the event name starts with 'on', e.g. 'onclick'.
Since version 6.0.0 Wicket uses JavaScript based event registration and the
prefix 'on' is actually wrong. It has been used for pre-1.5 versions for the
attribute names.
There are valid use cases where applications may use custom JS events with
names which start with 'on', so Wicket should not prevent them.
During the milestone release
org.apache.wicket.ajax.AjaxEventBehavior#onCheckEvent() will throw exception to
really make developers fix the WARN message they have ignored in Wicket 7.x.
The method has 'protected' visibility, so it could be overridden by
applications which need to use custom events with 'on' prefix in their name.
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