QOL: ItemView visual rework / grouping and naming

[marc-antoine-girard]

Support custom name for ItemVisuals classes

It would be nice if we could add an attribute to our Visual class that would change the displayed name in the dropdown window. Something like [Title(string name)]

Allow grouping

Similarly, Having an attribute to organize our Visuals by "category". The attribute could also have an optional parameter to allow automatic grouping using inheritance. For instance, I have a multiple ButtonVisuals that inherits a base class AbstractButtonVisual. We could do something like that: [Category(string name, bool applyForChildren = false)]

[Category("Button", applyForChildren: true)]
public abstract class AbstractButtonVisuals : UIControlVisuals
{
    // ...
}

[Title("Fast Button")]
public class FastButtonVisuals : AbstractButtonVisuals 
{
    // ...
}

FastButtonVisuals would be located in Button/Fast Button.
The groups could be displayed like the AddComponent window:

This could also lead to adding an IconAttribute: [Icon(typeof(Transform))]. All of this is of course inspired by Unity's Visual Scripting API

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Code-wise, I feel it wouldn't be too difficult to implement using Unity's AdvancedDropdownItem (which I'm guessing is what you're using right now) and TypeCache.GetTypesWithAttribute.

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New attributes are now available in v1.2.0!

Icons are not currently supported, but custom paths (or categories) and names are!

You can read more about them here.