topic Re: How to go about dropdown default value based on another dropdown? in Dashboards & Visualizations

How to go about dropdown default value based on another dropdown?

Gabri — Thu, 15 Dec 2022 14:57:44 GMT

I have the following dropdowns, now if I select test1 and then test11 in the second dropdown, when I change the first one to be test2, the second dropdown holds the old value and shows test11 although that's not a valid option.

<form version="1.1" theme="dark"> <fieldset> <input type="dropdown" token="test"> <label>Test</label> <choice value="*">All</choice> <choice value="test1">test1</choice> <choice value="test2">test2</choice> </input> <input type="dropdown" token="dependsontest" searchWhenChanged="false"> <label>DependsOnTest</label> <fieldForLabel>$test$</fieldForLabel> <fieldForValue>$test$</fieldForValue> <choice value="*">All</choice> <search> <query>| makeresults | fields - _time | eval test1="test11,test12",test2="test21,test22" | fields $test$ | makemv $test$ delim="," | mvexpand $test$</query> </search> </input> </fieldset> </form>

I tried the <selectFirstChoice>true</selectFirstChoice> and default values but those didn't work. How can I go about this ?

EDIT: I tried using the "change" and "condition" and found out that the "dependsontest" token gets updated but the dropdown UI doesn't.

Re: How to go about dropdown default value based on another dropdown?

richgalloway — Wed, 14 Dec 2022 20:04:02 GMT

As an untested idea, try adding code to unset the second token when the first one changes.

<form version="1.1" theme="dark"> <fieldset> <input type="dropdown" token="test"> <label>Test</label> <choice value="*">All</choice> <choice value="test1">test1</choice> <choice value="test2">test2</choice> <change> <unset token="dependsontest"/> </change> </input> <input type="dropdown" token="dependsontest" searchWhenChanged="false"> <label>DependsOnTest</label>

Re: How to go about dropdown default value based on another dropdown?

Gabri — Wed, 14 Dec 2022 21:02:00 GMT

This was interesting, I tried some variations of your approach but the old choice still stays

Re: How to go about dropdown default value based on another dropdown?

Gabri — Thu, 15 Dec 2022 14:56:13 GMT

I think I found the underlying issue but not a solution for it. I used a "change" like richgalloway suggested and the actual token gets updated but the dropdown UI still shows a stale value.

Re: How to go about dropdown default value based on another dropdown?

Gabri — Thu, 15 Dec 2022 15:15:41 GMT

Here is what I was trying before, where the "dependsontest" token would get updated but the UI would show a stale value.

Here is what I am doing now and it updates both the token AND the UI

Re: How to go about dropdown default value based on another dropdown?

astockmeister_s — Wed, 23 Aug 2023 17:13:20 GMT

Can this be done in Dashboard Studio JSON configuration?