[OpenLayers-Dev] type toggle confusion -> toggleGroup

[bartvde at osgis.nl]

Hi Pierre,

this makes perfect sense to me, and I do something similar in the
activateControl function of my custom toolbar [1].

[1] http://pastebin.com/m58897cdf

Best regards,
Bart

> Hi all,
>
> Looking at the way control are handle this morning, I'm a bit confused
> with the different type.
>
> Currently, here is how we manage control buttons in the Panel control
> activateControl method :
>  - if the activated control is of BUTTON type, we call the button
> trigger method, no extra action is done,
>  - if the activated control is of TOGGLE type, we change activation on
> this button, no extra action is done,
>  - in the other cases, we consider the panel's controls as a group,
> and activate/deactivate them all if they are not of TOGGLE type.
>
> In my opinion, the TOGGLE type implies that the control can have 2
> states "active" and "inactive". It has nothing to do with groups.
> We should introduce a new control property "toggleGroup" that would
> let the parent panel manage the control groups.
> If a button of type TOGGLE is activated and it has no toggleGroup set,
> no extra action is done.
> If a button of type TOGGLE is activated, the other buttons within the
> same toggleGroup will be deactivated.
>
> Does it make sense ?
> I think it's worth putting effort on this in 3.0.
>
> Regards,
> Pierre
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