Re: How to - multiple instances of similar systems / objects

You can call them as you say, but you need to call a function of that
object:
myObject.functionName("param")

Jarrod

On 30/01/12 6:26 AM, Heath Volmer wrote:
> If I have a class "MyDevice" and I create a couple instances of it
> (say myDevice1 and myDevice2) can I make calls, from buttons, like:
>
> myDevice1("play");
>
> or do I have to use a singleton pattern and only have one class object
> to call on?
>
> I've been trying different non-singleton things with no luck so far...
>
> Thanks
>
> Heath Volmer
> Digital Domain Systems
> 303-517-9714
>
>
> On 1/28/12 7:09 PM, Jarrod Bell wrote:
>> You can assign JS calls directly to buttons, no need to use join
>> numbers unless showing real feedback.
>>
>> So you could have one system defined, and then change what device it
>> is talking to by modifying its IP address/port at runtime using
>> CF.setSystemProperties.
>>
>> The button that you use to change what device you want to control
>> could have JS attached to it to perform the system properties
>> changes, then each button could just have something like:
>>
>> myDevice.command("play");
>>
>> With JavaScript it's really capable of doing pretty much anything you
>> like - just up to you to program it in a way that suits your
>> requirements.
>>
>> You could even use the same join numbers for each system, and just
>> make sure to set the joins to a default state when changing systems,
>> and then request the new data from the system each time you change.
>>
>> Jarrod
>>
>> On 29/01/12 10:22 AM, Heath Volmer wrote:
>>> Going to ramble a tad here:
>>>
>>> I have a JS file designed to talk to a media server. I could have
>>> multiple media servers, so I might need multiple systems and
>>> multiple JS objects to handle them. My JS is building the multiple
>>> instances with no problem, but now that I'm to the point of
>>> connecting the buttons on the server's gui page to the JS objects
>>> that talk to the system, I realize that I have no idea how to access
>>> a given object from a button and call a function on it.
>>>
>>> One method (which I don't like) is to watch joins and route them to
>>> the currently-selected system.
>>>
>>> Another way is to route different ranges of joins to different
>>> systems (I like this even less, being a big proponent of reusing
>>> things.)
>>>
>>> Either way, I'm assuming that I have to do this routing to the
>>> appropriate object outside of my objects.
>>>
>>> My main questions:
>>> Please tell me there is a better way that gets me out of
>>> join-number-ville. I'd like to say command("Play") on a button
>>> press and have that button talk to the server it's supposed to. Do
>>> I need to have a central catcher of commands that says "He pressed
>>> play, and he's on media server 4. Send the command to that one"?
>>> That might not be too messy.
>>>
>>> Is there a way to attach a JS object to a subpage or page? It's
>>> buttons would refer to a certain instance. (Venturing into
>>> Mac-Xcode land here again folks) Like a page built in Interface
>>> Builder has a controller object attached to it.
>>>
>>> Thanks
>>>
>>
>

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