Component#getMarkupId() throws exceptions when not added to page yet
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Key: WICKET-3647
URL: https://issues.apache.org/jira/browse/WICKET-3647
Project: Wicket
Issue Type: Bug
Components: wicket-core
Affects Versions: 1.5-RC3
Reporter: Martijn Dashorst
When retrieving the markup ID for a component that has not yet been added to a
page, Wicket currently throws an exception telling that the markup could not be
found, or that the markup type (in case the component was added to a Panel)
could not be determined. In 1.4, Wicket would generate a markup ID in these
cases.
Proposed solution: to first see if a markup ID has been either generated or set
(using setOutputMarkupId), and then returning that, or if no ID was yet
available *and* the component has been added to a Page: use the ID from the
markup, or if the component has not been added to a Page nor a markup ID:
generate the ID.
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