That was that ! Using the resolve method get the decorator instance
from that string.
Documentation is not really clear on that aspect.
I'll try now to test the instance and finally draw that red line !
Thanks a lot.
Qooxdoo power !
On 24 Feb 2009, at 16:31, Alexander Back wrote:
> Hi Jean-Baptiste,
>
> Jean-Baptiste BRIAUD -- Novlog wrote:
>> OK, thanks to you, it is clearer but still have things I don't
>> understand :
>>
>> I loop throw my widgets and
>> qx.dev.Debug.debugObject(widget.getDecorator()).
>> The output show things like input, button, table but nothing like
>> Uniform, Single, ... (note the lack of first letter capitalized, it
>> is
>> input and not Input or even qx.ui.decoration.Input or some other
>> package)
> Sorry, this was my fault. The return value of the "getDecorator" is a
> simple string (=the name of the decorator).
>
> If you want to get the decorator instance you have to call
>
> --snip--
> // e.g. instance of the "input" decorator
> qx.theme.manager.Decoration.getInstance().resolve("input");
> --snip--
>
>> So I can't apply the pattern "widgetInstance.getDecorator()
>> instanceof"
>> since this decorator instance look like unknown : input.
>> For example, I'm not able to find in the doc that input decorator.
> If you use the "resolve" method above you can.
>
>> Finally, I'm still unable to draw a red line around my widgets.
>>
>> Can I add/remove decorator without breaking theme ? I was thinking to
>> add/remove dynamically a Single decorator instance to the widget
>> candidate.
> You can also create a decorator instance at runtime and set this
> instance with "setDecorator". The drawback is that you have multiple
> instances of a decorator (one per widget).
>
>> Is there another direction/idea that would not involve decorator to
>> just
>> draw red line around widget ?
> Using decorators is the way to go.
>
> cheers,
> Alex
>
>>
>> On 24 Feb 2009, at 15:43, Alexander Back wrote:
>>
>>> Hi Jean-Baptiste,
>>>
>>> Jean-Baptiste BRIAUD -- Novlog wrote:
>>>> If I understood correctly the API, any widget have a getDecorator()
>>>> method. It return "at least" a iDecorator instance.
>>>> Unfortunatly, I can't see how to change the border on iDecorator,
>>>> except maybe the tint method, but I have no idea witch element to
>>>> provide ...
>>> "iDecorator" is simply the Interface every decorator class has to
>>> implement. The API should read "you get an instance which is
>>> implements
>>> the interface 'iDecorator'".
>>>
>>>> On the other hand, I also see the classes like Single, Double,
>>>> Uniform, ... decorators, but I just don't know witch one will I
>>>> encounter on a given widget...
>>>> On Single, I see this property : color (Property group to set the
>>>> border color of all sides) but how to esure Uniform will always
>>>> be the
>>>> widget's border ?
>>> The answer is: you can't. At least not in a way that you call
>>> "getDecorator" on a widget and can be sure you have an "Uniform"
>>> decorator. You have to check for the decorator instance and modify
>>> only
>>> the border at decorators which are capable of.
>>>
>>>> Maybe I forgot to mention one point : I'm inside a generic method
>>>> where all I know is that a widget parameter is a widget but it
>>>> could
>>>> be a table, a textarea, a textfield, any selectbox subclass, ...
>>> Then you have to check for them as I already mentioned.
>>>
>>> --snip--
>>> if (widgetInstance.getDecorator() instanceof
>>> qx.ui.decoration.Uniform)
>>> {
>>> // code for uniform decorators
>>> }
>>> // etc.
>>> --snip--
>>>
>>> cheers,
>>> Alex
>>>
>>>>
>>>> On 24 Feb 2009, at 14:06, thron7 wrote:
>>>>
>>>>> the most direct way would be to retrieve the current decorator
>>>>> of the
>>>>> desired element (with .getDecorator()), and set its border color
>>>>> to
>>>>> red.
>>>>>
>>>>> thomas
>>>>>
>>>>> Jean-Baptiste BRIAUD -- Novlog wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I'd like to add a red border to some field (in case of inproper
>>>>>> user
>>>>>> input) but I though it might be a bad idea to change the
>>>>>> decorator
>>>>>> since I don't have time for implementing my own decorator right
>>>>>> now.
>>>>>> Also, it won't be what I want to change the foreground or
>>>>>> background
>>>>>> color ...
>>>>>>
>>>>>> Any idea ?
>>>>>>
>>>>>> Thanks !
>
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