[Cuis-dev] Props library and a PreferenceNG browser tool

[ken.dickey at whidbey.com]

On 2022-05-26 09:25, Mariano Montone via Cuis-dev wrote:

> Props is a library I've developed for specifying properties for any 
> kind of object, and then providing the tools for editing them.
> 
> The "philosophy" behind it being that any object can have properties, 
> and we should be able to edit them with tools.
> 

Mariano,

Nice work.

One problem which comes up again and again is that, in general, 
properties may have complex invariants to maintain.

The good thing about _visual_ properties is that they are frequently 
simple values (Integer, Point, Color).

My solution was to add descriptions of visual properties (which I called 
'MetaProperties').

If you require 'UI-Tools', you get the MetaProperties package which adds 
editing for visual properties (NB: NOT all properties) with associated 
editors/choosers.  Editing and visual property Drag and Drop is 
available from a Morph's Menu.

I also did a simple VisualPropertyEditor which optionally shows all 
Morph ivars and properties (but no editing).

I think your editing of properties is great, so please keep developing.  
You might also want to combine ideas in/with the MetaProperties package.

Good on ya,
-KenD
==========================================================
Feature require: 'UI-Tools'.

ellipse := EllipseMorph new.
ellipse openInWorld.
(VisualPropertyEditor forMorph: ellipse) openInWorld.
==========================================================
The Drag'n Drop/Editable properties are in purple.
In the attached graphic, the VisualPropertyEditor is below
and the Morph's menu is to the right of the workspace.
==========================================================


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