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From Roger and Beth Whitcomb <RogerandB...@rbwhitcomb.com>
Subject Re: [jira] [Commented] (PIVOT-997) Deprecate (and eventually remove) the WTKListenerList class, which is currently empty
Date Wed, 17 May 2017 17:34:20 GMT
Ugh!  Mistakenly added "TextInputMethodListener.java" in here -- this is 
meant for the other set of changes related to Input Method Editor 
support..... Will remove that (for now).


On 5/17/17 10:30 AM, Roger Whitcomb (JIRA) wrote:
>      [ https://issues.apache.org/jira/browse/PIVOT-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014455#comment-16014455
]
>
> Roger Whitcomb commented on PIVOT-997:
> --------------------------------------
>
> First set of changes in "trunk":
> Sending        tutorials\src\org\apache\pivot\tutorials\bxmlexplorer\FakeWindow.java
> Sending        wtk\src\org\apache\pivot\wtk\Accordion.java
> Sending        wtk\src\org\apache\pivot\wtk\TabPane.java
> Sending        wtk\src\org\apache\pivot\wtk\TablePane.java
> Sending        wtk\src\org\apache\pivot\wtk\TableView.java
> Sending        wtk\src\org\apache\pivot\wtk\TableViewHeader.java
> Sending        wtk\src\org\apache\pivot\wtk\TextArea.java
> Sending        wtk\src\org\apache\pivot\wtk\TextInput.java
> Adding         wtk\src\org\apache\pivot\wtk\TextInputMethodListener.java
> Sending        wtk\src\org\apache\pivot\wtk\TextPane.java
> Sending        wtk\src\org\apache\pivot\wtk\TreeView.java
> Sending        wtk\src\org\apache\pivot\wtk\VFSBrowser.java
> Sending        wtk\src\org\apache\pivot\wtk\VFSBrowserSheet.java
> Sending        wtk\src\org\apache\pivot\wtk\Viewport.java
> Sending        wtk\src\org\apache\pivot\wtk\WTKListenerList.java
> Sending        wtk\src\org\apache\pivot\wtk\Window.java
> Transmitting file data ................done
> Committing transaction...
> Committed revision 1795435.
>
>> Deprecate (and eventually remove) the WTKListenerList class, which is currently empty
>> -------------------------------------------------------------------------------------
>>
>>                  Key: PIVOT-997
>>                  URL: https://issues.apache.org/jira/browse/PIVOT-997
>>              Project: Pivot
>>           Issue Type: Improvement
>>           Components: wtk
>>     Affects Versions: 2.1
>>          Environment: All
>>             Reporter: Roger Whitcomb
>>             Assignee: Roger Whitcomb
>>             Priority: Minor
>>
>> The WTKListenerList class was originally added as a subclass of ListenerList, but
with thread-safety checks in it (basically checking that all the operations were performed
on the Event Dispatch Thread (EDT) or "main" during startup).  All these checks were removed
some time ago, so that component hierarchies could be built "offline", that is in a background
thread, either by BXMLSerializer, or programmatically.  This left WTKListenerList as an empty
class, but with comments to the effect that it was used to provide thread safety checks....
This is confusing, and unnecessary.  So, I propose to deprecate the class in version 2.1,
replacing all the internal references with just "ListenerList", and so the class can be removed
at some point after that.
>> Note: deprecating it in the 2.0.x branch is not really an option, since it means
the build gets 100s of warnings about the deprecation, which is not good for a release branch.
>
>
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