Autocompleter should offer an allowCache parameter (currently caching is
enabled by default with no way to disable it)
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Key: TAPESTRY-1982
URL: https://issues.apache.org/jira/browse/TAPESTRY-1982
Project: Tapestry
Issue Type: Improvement
Components: Framework
Affects Versions: 4.1.4
Reporter: I D
Priority: Minor
The dojo component that underlies the Autocompleter component - Select - has an
"allowCache" property, which is set to true by default.
This means that even when working in "remote" mode, results are cached locally
after they have been fetched for the first time. This can be a problem.
Consider the following scenario:
A registration form has a PropertySelection component for country of residence
and an Autocompleter component for city of residence. As soon as a country is
changed, the Autocompleter model is aynchronously altered so as to match cities
only from the selected country. A user first selects country "UK" for example,
and then types "lon" into the city field. Some suggestions of city names are
then retrieved from the model. The user then changes the country (e.g. after
realizing he chose the wrong country) and types the same string into the city
field again. Unfortunately the model will not even be polled this time, since
dojo chaches the results that were extracted the last time the same filter was
used.
The Autocompleter component should therefore offer an allowCache parameter that
would be copied to the dojo.widget.Select.allowCache property on initialization.
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