Edit deep indexes in a JSON tiddler

[Danielo Rodríguez]

Hello,

Last time I have checked the answer was no, let's see if I have more luck this time or if someone got some solution.

What I want is to be able to edit a nested object inside a JSON tiddler using the editor widget and the index property.

So, with this tiddler:

{debug:{ active:true} }

I want to be able to do

<$edit tiddler="JSONTIDDLER" index="debug.active"/>

Is it possible? Any alternative?

Thanks in advance.

[Jeremy Ruston]

Hi Danielo

I’m afraid it is currently only possible to address the top level properties of data tiddlers. The intention was to support a syntax for subproperties and that remains possible, but would be a considerable undertaking.

One alternative is restructure your data from compound JSON tiddlers to individual tiddlers. If that isn’t possible then you’d need to use custom JS macros and widgets to achieve what you want.

Best wishes

Jeremy

Thanks in advance.

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[Danielo Rodríguez]

Hello Jeremy,

I was fearing that answer...

I started building a middle ware layer to handle the conversion from wikitext to the various configurations that I have to handle, but I'm not very pleased about it.

Maybe I can do something better. Taking a look at the editor widget, I think all that I have to do is write an editor for type application/json. Am I right? Is there any similar editor that I can use as reference?

I don't know why, but I though that someone found some workaround...

Thanks and regards.

[Jeremy Ruston]

Hi Danielo

I was fearing that answer...

I started building a middle ware layer to handle the conversion from wikitext to the various configurations that I have to handle, but I'm not very pleased about it.

Maybe I can do something better. Taking a look at the editor widget, I think all that I have to do is write an editor for type application/json. Am I right? Is there any similar editor that I can use as reference?

I think the ultimate implementation would involve firstly updating the text reference format to understand a syntax for identifying properties within the object, and then updating the places that use text references (such as the editor widget) to use the new code.

Writing an editor for type application/json would be the route to go if you were writing a generic JSON editor, one that edits an entire file, rather than an individual property.

Best wishes

Jeremy

I don't know why, but I though that someone found some workaround...

Thanks and regards.

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[Danielo Rodríguez]

For the moment I wrote this function that converts a plain object like {a.b:1,a.c:2,a.d.b:3} into {a:{b:1,c:2,d:{b:3}}

function plainToNestedObject(plain){

    var result = {};

    $tw.utils.each(plain,

        function(value,key){

            createChilds(result,key.split('.'),value)

        });

    return result;

    function createChilds(ob,keys,value){

        keys =  keys.slice(); // no side effects please

        var lastKey = keys.pop(); //pop is handy but mutates the array

        var lastChild = keys.reduce(

            function(ob,k){

                ob[k] = ob[k] || {};

                return ob[k];

            }

            ,ob);

        lastChild[lastKey] = value;

        return ob;

    }

}

[Danielo Rodríguez]

I think the ultimate implementation would involve firstly updating the text reference format to understand a syntax for identifying properties within the object, and then updating the places that use text references (such as the editor widget) to use the new code.

 As far as the text reference is able to understand the JSON dot notation, there is no need to modify anything else, or I am missing something? I have to admit that I get lost easily with the code of the editor widget.

 

Writing an editor for type application/json would be the route to go if you were writing a generic JSON editor, one that edits an entire file, rather than an individual property.

To be honest, I don't find that so interesting. There is no much difference between editing a JSON tiddler as text if you are editing the whole file. What is useful is to be able to edit an individual property, no matter how nested . That way creating user interfaces for editing complex configurations would be a breeze. 

[Jeremy Ruston]

Hi Danielo

 As far as the text reference is able to understand the JSON dot notation, there is no need to modify anything else, or I am missing something? I have to admit that I get lost easily with the code of the editor widget.

The text reference implementation isn’t fully encapsulated. Individual modules that deal with text references have knowledge of how the attributes of the text reference resolve to identify the source of the text.

To be honest, I don't find that so interesting. There is no much difference between editing a JSON tiddler as text if you are editing the whole file. What is useful is to be able to edit an individual property, no matter how nested . That way creating user interfaces for editing complex configurations would be a breeze. 

I agree. In any case, there are many existing JSON editor widgets out there; it would be fairly straightforward to integrate one of them into TW.

Best wishes

Jeremy

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