Re: Fwd: Non consecutive line numbers with textEditor component

[Stéphane Aulery <lkppo@xxxxxxx>]

Le 25/07/2024 à 14:10, Bruce Steers a écrit :
> On Thu, 25 Jul 2024 at 11:46, Stéphane Aulery <lkppo@xxxxxxx 
> <mailto:lkppo@xxxxxxx>> wrote:

>     With the first technique we couldn't simply overload the component
>     class?
>
> I do not quite understand what you mean by overload?
>
> If you import the gb.form.editor to modify it you will either have to 
> remove the standard gb.form.editor component from the project properties 
> or rename all the imported components and rename all their internal 
> references.
>
> Automatic Inheritance can be a way or normal Inheritance but there are 
> problems with "simple overrides"
> Using Automatic Inheritance (make a file called TextEditor.class in your 
> project and it automatically Inherits gb.form.editor/TextEditor)
> Use a File of another name (like MyTextEditor.class) and use "Inherits 
> TextEditor" to make it inherit TextEditor.class
>
> In my experience if for example I "only" imported the TextEditor.class 
> file and kept gb.form.editor in my properties but did not import the 
> whole gb.form.editor component I will likely get "incorrectly 
> overridden" errors.
> It seems to workhaving a class of the same name and overriding "some" of 
> the properties/methods but the whole original file never seems to work.
>
> The cross-over from being able to use Inheritance or having to import 
> the whole source depends on if your modifications need to use Private 
> internal properties of the inherited class.
> Meaning if your override can use Publicly accessible properties (for 
> example the TextEditor.Text property) then you an use Inheritance and 
> use Me.Text to get the Text, but if you want to access/modify something 
> like the Private $cDiffLayout variable there is no way to get to it as 
> it is private to the components TextEditor.class not your projects 
> version.  In that case the only way to access and modify private stuff 
> is to import the component.
>
> PS, keep an eye out for useful _hidden commands (they begin with 
> underscore _ ) that can help like for example TextEditor1._GetDocument() 
> that returns the editors CDocument object.
>
> Experimentation be the mother of progression :)

Thank you for these detailed explanations. I'm going to experiment. I'm 
trying to at least take the right general direction by asking questions.

--
Stéphane Aulery