Need help creating localization table entries for unity 2019.4

Apparently, Unity already supports getting all the text in a scene and creating table entries for you in the new localization pacakge.
My game is in unity 2019.4 LTS version and AFAIK that feature isn't available. I tried to write a script that will create a table entry for a textmeshpro component and also assign it in the LocalizedStringEvent components event.

Code (CSharp):

1.             var ls = new LocalizedString();
2.             var key = "1";
3.             var tmp = GetComponent<TextMeshProUGUI>();
4.  
5.             foreach (var table in s.StringTables)
6.             {
7.                 table.AddEntry(key, tmp.text);
8.             }
9.    
10.             ls.TableReference = s.TableCollectionName;
11.             ls.TableEntryReference = key;
12.    
13.             GetComponent<LocalizeStringEvent>()
14.                 .StringReference.SetReference(s.TableCollectionName,key);
15.  
16.    
17.             PropertyInfo stringProp = typeof(TextMeshPro).GetProperty(nameof(tmp.text));
18.    
19.             Debug.Log(stringProp + " " + stringProp.GetSetMethod());
20.             UnityAction<string> textsetDelegate = (
21.                 UnityAction<string>) Delegate.CreateDelegate(typeof(UnityAction<string>),
22.                 tmp, stringProp.GetSetMethod());
23.             UnityEditor.Events.UnityEventTools.AddPersistentListener<String>(
24.                     GetComponent<LocalizeStringEvent>().OnUpdateString,
25.                     textsetDelegate
26.                 );

This works works but there might be issues. Which is why I'm asking for help.
If there are none, I'll update this to work with my code to fetch text mesh pro components in scene and turn this into something usable for everyone.

In the meantime, I hope the feature is backported to LTS versions.

Edit:

Well, it's done. It's super barebones but sufficient for my use cases. I hate writing editor GUI code so I won't be extending it further.


It's a wizard that will fetch textmeshpro and textmeshproUGUI components in a scene. You can chose to ignore certain components if you want. Clicking on an entry will take you to the game object.

It will add the built-in LocalizedStringEvent component, create a table entry and assign it and also set up the Unity event for the LocalizedStringEvent component's OnStringUpdate().
.
All the table entries will have the current text of the textmeshPro component.

If the gameobject already has a LocalizedStringEvent attached, it will replace the string reference and also add to the UnityEvent (and possibly create duplicate callbacks). But that should be harmless.

If nothing else, it should be useful for navigating the scene to find TextMeshpro Localized strings and hopefully cutdown some menial work.

Reqs:
Localization package: 0.11.1
Textmeshpro (version shouldn't be an issue)

 

I merely heard that there was some automation process. My game is already done so going through and adding localization manually per component would be impractical. If it helps somebody else, that's fine as well.

The id= 1 is just place holder. I know it has to be unique. In my use case, simply incrementing the count should be enough.

The count would be stored in some file/SO.

I'm not sure what "FindSimilarKey" does. Does it try to match the text to already processed text to avoid duplicate strings? That'd be cool though not necessary for my case.

 

Thanks. I'm done with my code, just want some answers for some QOL improvements.
I'm using:

Code (CSharp):

1. stringEvent.StringReference.TableEntryReference.ReferenceType == TableEntryReference.Type.Empty

To check if a stringreference is valid. Is there a better way?

 

Thanks. Last question I swear:
I'm having a bit of trouble setting the translated text for the entries. The game has already valid text in the textmeshpro components which would be put in all of the langaues(placeholder for non-english ones)
The collection.SharedTableData.AddKey() works but trying to set the translated entries gives me a null ref:

Code (CSharp):

1.         var sharedEntry = stringTable.SharedData.AddKey();
2.         foreach (var t in stringTable.StringTables)
3.         {
4.             t.AddEntry(sharedEntry.Key , tmp.text);
5.         }

This happens for both sharedKey.Id and Key. Also:

Code (CSharp):

1. var sharedEntry = stringTable.SharedData.AddKey(tmp.text);

Also gives a null ref for me.

 

Actually nvm. It was the textmeshpro component that was null in that case.

 

Uploaded the package. It's barebones but should cut down menial work for people like me who are stuck on 2019.4.
I've edited the first post with the package and other descriptions.

Thank you to @karl_jones for all the help.