[WICKET-5664] Log a warning if the name of the JavaScript event starts with 'on'

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 7.0.0-M2
• Fix Version/s: 7.0.0-M3
• Component/s: wicket
• Assignee: Martin Tzvetanov Grigorov
• Reporter: Martin Tzvetanov Grigorov
• Created: 06/Aug/14 10:40
• Updated: 06/Aug/14 10:42
• Resolved: 06/Aug/14 10:40

Description

'onclick' has been used in Wicket 1.5 and older versions as a name of the HTML attribute
Since 6.0.0 Wicket uses event registration (via jQuery#on()) and the leading 'on' is no more needed.
At the moment Wicket cuts the prefix but automatically this disallows usage of custom event names like "onmycustomname".

I suggest to log a warning in 7.x and remove the automatic cut of 'on' in Wicket 8.0.