Review request for RT-19228

Richard Bair richard.bair at
Fri Mar 30 09:37:42 PDT 2012

I can understand the impatience but really there needs to be an affirmative answer before an API addition / change is made.

It would be helpful to have a condensed description of the final solution with reasons behind it. I didn't just give it an immediate +1 because the final solution is OK but not what I had hoped for, and introducing a new syntax / special fx:attribute is kind of a bummer. These are still my favorites:

<TableView columnResizePolicy="CONSTRAINED_RESIZE_POLICY" /> 
<TableView columnResizePolicy="TableView.CONSTRAINED_RESIZE_POLICY" /> 

But it seems they were rejected because the implementation isn't well positioned to support it -- which seems backwards. It seems that the nicer syntax should be the primary driver and the implementation to adjust to fit it. It would be nice to have a good argument for why we ought to do fx:constant instead of any of the originally proposed options.

For example, I don't understand this comment:

"what if we did this: 

  <columnResizePolicy><TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/></columnResizePolicy> 

That would be more consistent with existing syntax (particularly fx:factory), and also wouldn't conflict with syntax for attached properties. "

How does this conflict with attached properties to not have fx:constant?


On Mar 30, 2012, at 8:02 AM, Greg Brown wrote:

> Since no one has commented on this, I will assume that there are no concerns and will mark this issue as fixed.
> On Mar 28, 2012, at 6:38 PM, Greg Brown wrote:
>> I have not received any comments on this. Does anyone have any questions or suggestions?
>> On Mar 20, 2012, at 12:52 PM, Greg Brown wrote:
>>> This change adds support for an "fx:constant" attribute that will resolve to the value of a constant (static final variable) defined by the associated element's type. For example:
>>> <TableView> 
>>>  <columnResizePolicy><TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/></columnResizePolicy> 
>>> </TableView> 
>>> It parallels the fx:value and fx:factory attributes, which are used to invoke a static valueOf() method and an a static factory method on the target type, respectively.
>>> Greg

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