[Interest] Dynamically generating a states and transitions array in javascript?

[Mark]

On Mon, Dec 3, 2012 at 10:00 PM, Robert Voinea <rvoinea at gmail.com> wrote:
> On Monday 03 December 2012 15:40:51 Mark wrote:
>
>> On Wed, Nov 28, 2012 at 4:16 AM, Mark <markg85 at gmail.com> wrote:
>
>> > Op 26 nov. 2012 22:11 schreef "Mark" <markg85 at gmail.com> het volgende:
>
>> >> Hi,
>
>> >>
>
>> >> I have a states array in QML that looks like this:
>
>> >> states: [
>
>> >>
>
>> >> State {
>
>> >>
>
>> >> name: "icon"
>
>> >>
>
>> >> PropertyChanges { target: viewContainer; source:
>
>> >> "views/IconView.qml" }
>
>> >>
>
>> >> },
>
>> >> State {
>
>> >>
>
>> >> name: "list"
>
>> >>
>
>> >> PropertyChanges { target: viewContainer; source:
>
>> >> "views/LView.qml" }
>
>> >>
>
>> >> },
>
>> >> State {
>
>> >>
>
>> >> name: "tree"
>
>> >>
>
>> >> PropertyChanges { target: viewContainer; source:
>
>> >> "views/TreeView.qml" }
>
>> >>
>
>> >> }
>
>> >>
>
>> >> ]
>
>> >>
>
>> >> That works just fine, but i want to do it more dynamically. I want to
>
>> >> read the contents of the folder "views" and add a state entry for each
>
>> >> item that i fine. Reading the folder and getting the filename isn't an
>
>> >> issue, but i'm kinda puzzled how to build up a states array in
>
>> >> javascript.
>
>> >>
>
>> >> This is an pseudo code example:
>
>> >> buildstates.js
>
>> >>
>
>> >> var stateArray = ... construct the states based on based on the
>
>> >> content of a folder ...
>
>> >>
>
>> >> main.qml
>
>> >> import "buildstates.js" as BuildStates
>
>> >>
>
>> >> Item{
>
>> >>
>
>> >> width: 800
>
>> >> height: 600
>
>> >> states: BuildStates.stateArray
>
>> >>
>
>> >> }
>
>> >>
>
>> >> I want to do the same for transitions.
>
>> >> But how do i do the JavaScript part? Or is there another way to build
>
>> >> up a dynamic states/transitions array? Or is there a C++ way for this?
>
>> >>
>
>> >> Cheers,
>
>> >> Mark
>
>> >
>
>> > Anyone..?
>
>>
>
>> 2nd try. Anyone?
>
>> _______________________________________________
>
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>
>> Interest at qt-project.org
>
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>
>
>
>
>
> Try Component.create()
>
>
>
> I have not tried this approach, but for dynamic creation of QML elements
> that is the way.
>
>
>
> In C++ land...
>
>
>
> You'd have to use QDeclarativeComponent::create to generate
> states/transitions and then assign then to your QML Item... but first you'd
> have to identify the item... a way to do that is setting objectName from
> within QML and then use QObject introspection to find the item.
>
>
>
> Also, you have to be careful about ownership (who "owns" the newly created
> components?)
>
>
>
> Again...I haven't tried either of these methods.
>
>
>
> --
>
> Robert Voinea
>
> IT Specialist
>
> +4 0740 467 262
>
>
>
> Don't take life too seriously. You'll never get out of it alive.
>
> (Elbert Hubbard)

Hi Robert,

Thank you for the reply. I'm certainly going to test that out :)
If i have any findings they will be posted in here.

Cheers,
Mark