[Gambas-user] Get the object of a component by name.

[Tobias Boege]

On Tue, 23 Feb 2016, Matias De lellis wrote:
> > So, what I read out of your mail is that you have one object Firmata1 which
> > has a certain configuration. You now want to add controls dynamically to the
> > Form which should inherit Firmata1's configuration by obtaining a reference
> > to the Firmata1 object.
> 
> 
> Not completely dynamic.. After completing write the controls the idea is just change the list of properties of the controls placed on the form. (Not writing a single line of code more after design forms)
> 
> >  2. Can't you pass the Firmata1 object to the constructors of the controls?
> 
> Would be ideal, but I do not see how. Justly my idea was to add a property representing the instance name, and get the instance itself from that. http://gambaswiki.org/wiki/comp/gb/class/instance seems ideal but not work here..
> 

Class["Name"].Instance returns the auto-instance of an auto-creatable (i.e.
Create Static[0]) class. Unless you class is Create Static, this will not
give you any object at all.

> >  3. (A refinement of 2.) Make the Firmata class a Container object and
> >     create the controls inside the container Firmata1. This way, the
> >     controls can access their parent Firmata1 and its configuration
> >     directly. This is how the DataSource control from gb.db.form works,
> >     if you are familiar with that.
> 
> 
> I will investigate this option..
> 

If you don't need to create controls at runtime, i.e. the layout of your
form is complete at compile time, then this would be the way to go. I attach
a small project which shows how it's done.

Regards,
Tobi

[0] http://gambaswiki.org/wiki/lang/createstatic

-- 
"There's an old saying: Don't change anything... ever!" -- Mr. Monk
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