Map decorator that will trigger PropertyChangeEvents when a value changes.
An optional Closure may be specified and will work as a filter, if it returns
true the property will trigger an event (if the value indeed changed),
otherwise it won't. The Closure may receive 1 or 2 parameters, the single one
being the value, the other one both the key and value, for example:
// skip all properties whose value is a closure def map = new ObservableMap( {!(it instanceof Closure)} ) // skip all properties whose name matches a regex def map = new ObservableMap( { name, value -> !(name =~ /[A-Z+]/) } )The current implementation will trigger specialized events in the following scenarios, you need not register a different listener as those events extend from PropertyChangeEvent
Bound properties
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