Reloading stylesheets

[ngalarneau at ABINITIO.COM]

The Jira I filed is at:

https://javafx-jira.kenai.com/browse/RT-34850

The slight difference is that I applied the stylesheet on the scene 
instead of the button.


Neil



From:   Jerome Cambon <jerome.cambon at oracle.com>
To:     openjfx-dev at openjdk.java.net
Date:   12/12/2013 04:26 AM
Subject:        Re: Reloading stylesheets
Sent by:        openjfx-dev-bounces at openjdk.java.net



This is also impacting Scene Builder.

I have filed a Jira with a test case:
https://javafx-jira.kenai.com/browse/RT-34863

Jerome

On 12/11/13 6:19 PM, David Grieve wrote:
> There is clearly a bug there somewhere. Would you mind filing an issue 
on javafx-jira.kenai.com?
>
> On Dec 11, 2013, at 11:51 AM, ngalarneau at abinitio.com wrote:
>
>> Hi David,
>>
>> I have stylesheet SWITCHING working fine. I can switch between 2 
different
>> stylesheets on disk without tearing down & rebuilding my Scene. To do 
this
>> I simply do:
>>         scene.stylesheets.clear()
>>         scene.stylesheets.add(differentStylesheet)
>> and the changes show up immediately (I'm assuming those 2 lines cause a
>> .css recalculation & a pulse).
>>
>> I would like to get stylesheet RELOADING to work in my JavaFX 8 app. By
>> this I mean picking up changes in a single .css file. This would allow 
the
>> developers to tweak the stylesheet & reload to see the effects
>> immediately.
>>
>> Unfortunately, it feels like the Filename of the stylesheet is the Key 
in
>> a cache that isn't getting cleared by my code above. Nothing visible
>> happens when I do:
>>         scene.stylesheets.clear()
>>         scene.stylesheets.add(sameStylesheet)
>>
>> Given your description below, my impression is that RELOADING should 
also
>> work...
>>
>> Thank you for any suggestions,
>>
>> Neil
>>
>>
>>
>>
>> From:   David Grieve <david.grieve at oracle.com>
>> To:     Werner Lehmann <lehmann at media-interactive.de>
>> Cc:     openjfx-dev at openjdk.java.net
>> Date:   12/10/2013 11:10 AM
>> Subject:        Re: Reloading stylesheets
>> Sent by:        openjfx-dev-bounces at openjdk.java.net
>>
>>
>>
>> The way it works in 8.0 is that there is a cache of loaded stylesheets.
>> When a scene or parent adds a stylesheet, the stylesheet is added to 
the
>> cache. Any other scene or parent that uses the same stylesheet will get
>> the one from cache. If a scene or parent later removes the stylesheet, 
the
>> stylesheet is removed from the cache and the css style cache for any 
scene
>> or parent that referenced that stylesheet is cleared (since the set of
>> styles may have changed). Any scene or parent that referenced the now
>> removed stylesheet is told to reapply its styles. Since the stylesheet 
is
>> no longer in cache, it will be re-parsed (or reloaded if there is a 
binary
>> version of the stylesheet) when it is called for by a scene or parent.
>>
>> The way it worked in 2.x was an abomination.
>>
>> On Dec 10, 2013, at 10:30 AM, Werner Lehmann
>> <lehmann at media-interactive.de> wrote:
>>
>>> Interesting. Assuming the stylesheets are still cached, how would it
>> know when to reload and not use the cached sheet? Or has sheet 
processing
>> been optimized so much that caching is not necessary anymore...
>>> On 10.12.2013 16:15, Tom Schindl wrote:
>>>> No on FX8 you need to remove and readd them! So the only thing
>> different
>>>> is that you omit the reload-call on FX8.
>>
>>
>>
>>
>> NOTICE from Ab Initio: This email (including any attachments) may 
contain
>> information that is subject to confidentiality obligations or is 
legally
>> privileged, and sender does not waive confidentiality or privilege. If
>> received in error, please notify the sender, delete this email, and 
make
>> no further use, disclosure, or distribution.




 
NOTICE from Ab Initio: This email (including any attachments) may contain 
information that is subject to confidentiality obligations or is legally 
privileged, and sender does not waive confidentiality or privilege. If 
received in error, please notify the sender, delete this email, and make 
no further use, disclosure, or distribution.