If you look in Padre::Document, there's even a half-finished
text_replace that I meant to go back and finish which almost does the
job for you. I think I skipped it in the end because it would need to
run Algorithm::Diff in the foreground, and I decided it was better
that plugins product the delta themselves in the background directly
first via tasks.
But you needn't worry about that, just do something like...
$document->text_delta(
Padre::Delta->from_scalar( $document->text_get => \$new_content )
);
On 16 November 2011 01:16, arjan <ar...@unitedknowledge.nl> wrote:
> Thanx Adam, that seems a good solution. I'm going to give it a try to
> make Padre-Plugin-WebGUI use Padre::Delta.
>
> By the way: WebGUI is a perl-based CMS, I don't need to upgrade WebGUI
> itself, just the plugin. The plugin talks to the cms using json. This
> way I can use Padre to edit all of my css/templates etc.
>
>
> On 11/15/2011 03:10 PM, Adam Kennedy wrote:
>> text_set assumes a complete replacement of the entire document with
>> something different, in which case moving to cursor position 1 is
>> appropriate.
>>
>> If you are replacing with something identical or close to the current
>> content, you should instead create a Padre::Delta object with
>> Padre::Delta->from_scalars and then apply the delta to the current
>> document. Delta objects are applied in a way that retains the correct
>> location of the cursor and scroll in the kinds of scenarios where a
>> document is being modified rather than replaced wholesale.
>>
>> Padre::Delta is new in 0.92, so it would mean WebGUI needs to upgrade
>> to support 0.92.
>>
>> Adam
>>
>> On 15 November 2011 23:52, arjan<ar...@unitedknowledge.nl> wrote:
>>> Hi Zeno,
>>>
>>> Oh, don't excuse yourself, I'm very happy you asked.
>>>
>>> - Yes it scrolls completely to the top. The cursor goes to position 1.
>>> - No this happens not all the time, and now that you asked me this, I
>>> tried several things and found when it does: It always does when I save
>>> using Padre-Plugin-WebGUI.
>>>
>>> And the problem is probably here:
>>> - on save the server returns the contents of the file.
>>> - the plugin processes this response and calls sub render there:
>>>
>>> $self->text_set($text);
>>> $self->{original_content} = $self->text_get;
>>>
>>> I suppose this is where the cursor returns to the first position,
>>> because the content of the editor is replaced with the content returned
>>> by the server.
>>>
>>> Hmm. What would be the best way to solve this? On the one hand, one
>>> could simply not process the response. On the other hand, this does make
>>> it clear what is actually stored.
>>>
>>> I cc'ed Patrick, who wrote the Plugin.
>>>
>>> Kind regards,
>>> Arjan.
>>>
>>> On 11/15/2011 01:14 PM, Zeno Gantner wrote:
>>>> Hi,
>>>>
>>>>>> On Tue, Nov 15, 2011 at 12:10 PM, arjan<ar...@unitedknowledge.nl>
>>>>>> wrote:
>>>>>>> Is there a similar trick to prevent Padre from scrolling to the top of
>>>>>>> the page on save?
>>>> I do not have this issue, so please excuse my questions:
>>>>
>>>> Does it scroll completely to the top?
>>>> Does it happen all of the time?
>>>> Does it happen with all file types?
>>>>
>>>> @list:
>>>> Does anybody know a possible cause of this and how it can be switched off?
>>>>
>>>> Best regards,
>>>> Zeno
>>>>
>>>
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>
> --
> NIEUW: http://www.makeso.com
>
> Hoe verslaan de media het nieuws? Wie haalt het nieuws en hoe werkt dat uit?
> Bekijk het in The Makeso Media Calculator: www.makeso.com
>
> Recent: http://www.lomcongres.nl/
> Congres- en nieuwsbriefportaal met relatiebeheer systeem voor het Landelijk
> Overleg Milieuhandhaving
>
> Setting Standards, a Delft University of Technology and United Knowledge
> simulation exercise on strategy and cooperation in standardization,
> http://www.setting-standards.com
>
> United Knowledge, internet voor de publieke sector
> Keizersgracht 74
> 1015 CT Amsterdam
> T +31 (0)20 52 18 300
> F +31 (0)20 52 18 301
> bur...@unitedknowledge.nl
> http://www.unitedknowledge.nl
>
> M +31 (0)6 2427 1444
> E ar...@unitedknowledge.nl
>
> Bezoek onze site op:
> http://www.unitedknowledge.nl
>
> Of bekijk een van onze projecten:
> http://www.handhavingsportaal.nl/
> http://www.setting-standards.com/
> http://www.lomcongres.nl/
> http://www.clubvanmaarssen.org/
>
> _______________________________________________
> Padre-dev mailing list
> Padre-dev@perlide.org
> http://mail.perlide.org/mailman/listinfo/padre-dev
>
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