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Filling a Formular Screen with JSON Data

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Posted on 23 Oct 2024 10:03:15 by TSte

175

Hello,

i have a app with a Formular screen, i would like to enable editing the formular, and saving it for later adaptions - as its a huge formular i don't want to save each input in a separate Column,

so i thought i will save it in JSON-Format in one column.. i now have created a little sandbox, for trial.

it works like a Charme with Checkboxes and Text fields but im struggling with Comboboxes..

I just generated a few input controls and 2 buttons - one to JSON and one To PARSE

JSON code:

Set(varFormData; JSON([{
    ComboboxCanvas2_1: ComboboxCanvas2_1.SelectedItems;
    ComboboxCanvas2: ComboboxCanvas2.SelectedItems;
    TextInputCanvas3_2: TextInputCanvas3_2.Value;
    TextInputCanvas3_1: TextInputCanvas3_1.Value;
    TextInputCanvas3: TextInputCanvas3.Value;
    Checkbox2_2: Checkbox2_2.Value;
    Checkbox2_1: Checkbox2_1.Value;
    Checkbox2: Checkbox2.Value
}]; JSONFormat.Compact));;

resulting in:

[{"Checkbox2":false,"Checkbox2_1":false,"Checkbox2_2":false,"ComboboxCanvas2":[{"Value":"Item 2"}],"ComboboxCanvas2_1":[{"Value":"Item 13"},{"Value":"Item 12"}],
"TextInputCanvas3":"^123456ssgfsdfg","TextInputCanvas3_1":"453234234","TextInputCanvas3_2":"dsfasdfwerwrew"}]
 

PARSE:

ClearCollect(
    FormInputsCollection;
    ForAll(
        Table(ParseJSON(varFormData));
        {
            ComboboxCanvas2_1: Table(Value.ComboboxCanvas2_1);
            ComboboxCanvas2:  Value.ComboboxCanvas2;
            TextInputCanvas3_2: Text(Value.TextInputCanvas3_2);
            TextInputCanvas3_1: Text(Value.TextInputCanvas3_1);
            TextInputCanvas3: Text(Value.TextInputCanvas3);
            Checkbox2_2: Value.Checkbox2_2;
            Checkbox2_1: Value.Checkbox2_1;
            Checkbox2: Value.Checkbox2
        }
    )
)
 
as you can see for Comboboxes i tried just Value. and Table(Value.) non with success - but Table is almost there..can anyone tell me how i get the Combobox running?
 
Here a screenshot - where you an see what happens in ComboboxCanvas2_1:

 
As maybe some one will also want to do something like that and comes to this post... to access data:
TextInput - into Value:  First(FormInputsCollection).TextInputCanvas3
CheckBox - into Default: First(FormInputsCollection).Checkbox2
 
 
would appreciate your help with the combobox.
 
best regards
 

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TSte 175 on 24 Oct 2024 at 06:40:51

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Filling a Formular Screen with JSON Data

Thanks you Nandit,

this worked but for the Combobox, it was enough to just use :

First(FormInputsCollection).Combobox2

I have adapted my codes, cause i think i had problems that the variable name was exactly the same as input control..

i now struggle the same way with a gallery, and fields in there.

Just tried a approach similar to yours with, just with re specifying the 3 text fields, but without sucess..

you also have a hint for that?

here is my updated JSON code:

Set(

varFormData;

JSON(

[

{

Combobox2: ComboboxCanvas2_1.SelectedItems;

Combobox1: ComboboxCanvas2.SelectedItems;

TextInput3: TextInputCanvas3_2.Value;

TextInput2: TextInputCanvas3_1.Value;

TextInput1: TextInputCanvas3.Value;

Check3: Checkbox2_2.Value;

Check2: Checkbox2_1.Value;

Check1: Checkbox2.Value;

Gallery3Data: ForAll(

Gallery3.AllItems;

If(

!IsBlank(text1_gallery.Value) && !IsBlank(text2_gallery.Value) && !IsBlank(text3_gallery.Value);

{

Text1_Gallery: Text(text1_gallery.Value);

Text2_Gallery: Text(text2_gallery.Value);

Text3_Gallery: Text(text3_gallery.Value)

}

)

)

}

];

JSONFormat.Compact

)

);;

resulting into:
[{"Check1":true,"Check2":true,"Check3":false,"Combobox1":[{"Value":"Item 2"}],"Combobox2":[{"Value":"Item 11"},{"Value":"Item 12"}], "Gallery3Data":[{"Text1_Gallery":"test","Text2_Gallery":"1234","Text3_Gallery":"test"}, {"Text1_Gallery":"1234","Text2_Gallery":"5678","Text3_Gallery":"9101"},null], "TextInput1":"test1234","TextInput2":"test321","TextInput3":"asdf4321test"}]

would be cool if you can help me also with that!
thanks in advance,

Thomas
Suggested answer

Nandit 1,563 Super User 2025 Season 1 on 23 Oct 2024 at 16:23:20

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Filling a Formular Screen with JSON Data

Hi CU23070453-0 ,

Phew, took me a minute but here's what you need to use in your Combobox DefaultSelectedItems:

ForAll( Table(ParseJSON(varFormData).ComboboxCanvas2_1), Text(Value.Value) )

Here's your updated code should look something like this:
ClearCollect( FormInputsCollection; ForAll( Table(ParseJSON(varFormData)); { ComboboxCanvas2_1: ForAll(Table(Value.ComboboxCanvas2_1), Text(Value.Value)); ComboboxCanvas2: Value.ComboboxCanvas2; TextInputCanvas3_2: Text(Value.TextInputCanvas3_2); TextInputCanvas3_1: Text(Value.TextInputCanvas3_1); TextInputCanvas3: Text(Value.TextInputCanvas3); Checkbox2_2: Value.Checkbox2_2; Checkbox2_1: Value.Checkbox2_1; Checkbox2: Value.Checkbox2 } ) )

Hope this helps.

Kind regards,

Nandit

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