topic Re: Arcade Expr skips empty in MV Classic but not in New MV in ArcGIS Online Questions

Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 19:48:57 GMT

Greetings all.

I created a custom pop-up in MV Classic that includes values from 7 text attribute fields, plus up to 3 photos. 3 of the 7 fields are links to web pages, and I successfully configured the popup in Arcade to exclude rows with missing values for those 3 fields. (Sidebar: because the attributes with some missing values are links to web pages, I have not been able to figure out--despite exhaustive effort--how to collapse the resulting empty rows.) The popup worked well in MV classic and showed all of the text fields, with the photos at the bottom.

Here's the problem: I was requested to switch the order of the display such that it shows some text fields, then the media photos, and then the remaining text fields beneath that (for use in the feature information card in Web Experience Builder). When I re-order the popup info in new map viewer, the Arcade expression I used before loses functionality--all rows are displayed, even though they contain empty data, resulting in text that should be a link but doesn't have anything to link to, rather than a blank, empty line. The HTML that I try to copy over from old to new popup configuration fails. Below is a screen capture of the new popup and configuration in New MV, and following are my original Arcade expressions and the HTML in MV Classic that doesn't seem to translate in new MV.

What am I doing wrong?

Arcade expressions that worked in MV Classic (but returned a blank line if empty once formatted as links)

return IIF(IsEmpty($feature.Embeds), 'none', 'inline')

return IIF(IsEmpty($feature.Link1), 'none', 'inline')

The bottom attribute link is never empty, but the other two might be.

Thanks for any insights you can provide.

raena

Re: Arcade Expr skips empty in MV Classic but not in New MV

jcarlson — Wed, 23 Feb 2022 20:04:55 GMT

I believe this is because as of right now, the new map viewer cannot be configured via HTML source the way the Classic map viewer could. Your HTML tags that hide elements based on a "display" attribute aren't going to function as intended.

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 20:12:01 GMT

Hi Josh, thank you for responding. So, what you're saying is that with the current functionality, there's no way to skip the empty attributes here?

Re: Arcade Expr skips empty in MV Classic but not in New MV

jcarlson — Wed, 23 Feb 2022 20:18:14 GMT

That is my understanding of the situation, yes. There may be other ways to display your links, but they won't be as nicely formatted. But better HTML support is on the road map, I believe.

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 20:58:51 GMT

Thank you. I hesitate to accept this as a solution... but thanks.

Re: Arcade Expr skips empty in MV Classic but not in New MV

jcarlson — Wed, 23 Feb 2022 21:13:43 GMT

Oh, I understand. "You can't do it" doesn't actually solve anything, even if it's the answer at the moment. But it is something that should be solved, and hopefully soon.

The related idea (https://community.esri.com/t5/arcgis-online-ideas/html-support-in-new-map-viewer-for-pop-ups/idi-p/1078659) does have an Esri staff person stating it should be in the next versions of things. Must have missed the December AGOL update, but it sounds like it can't be far off.

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 21:14:55 GMT

That's hopeful news. Thanks again!

Re: Arcade Expr skips empty in MV Classic but not in New MV

XanderBakker — Wed, 23 Feb 2022 22:45:37 GMT

Hi @RaenaDeMaris and @jcarlson ,

If I can chime in... there is a way to create HTML in the pop-up of the new map viewer. The way to do this is not to create an expression that appears as a "virtual field" (red rectangle below), but to add an Arcade content element (green rectangles below):

This way you can generate HTML and it will appear in the pop-up, like this example below:

You can use different styles, create lists, include multiple links stored in related data, etc...

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 23:15:39 GMT

Thanks Xander! This must be a fairly new functionality? It doesn't seem to work if I just copy over the old Arcade expressions. What am I missing?

Re: Arcade Expr skips empty in MV Classic but not in New MV

XanderBakker — Wed, 23 Feb 2022 23:27:10 GMT

Hi @RaenaDeMaris ,

When you add an Arcade content element, the idea is that you can create HTML. Now I haven't checked the support for every available HTML, however, if you can share the entire Arcade expression you are using I can have a look.

Edit:

In order to avoid that you have to create a table and hide elements from that table manually in the HTML output, you could have a look at the Field Maps application. This may sound strange, but the idea is that this application allows you to hide fields conditionally and that is stored in the json definition of the map and the new map viewer is able to handle this. However, if you are planning the use the web map in for instance a dashboard or an instant app, not all other applications have support for this information in the json.

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Wed, 23 Feb 2022 23:34:34 GMT

@XanderBakker I greatly appreciate this help!! The HTML in that worked in MV Classic is below, with the part relevant to the three hyperlinks that I'm trying to troubleshoot in the blue text.

<div style="background-color:#{expression/expr8};padding:5px;">

{CatDescrip}: {Organization}

</div>

 {VictoryTitle} 
 {Pop} benefitted from the victory!
 
 {VictDescrip} 
 
<a href="{Embeds}" target="_blank">Visit the Victory's Media Page</a>
 
<a href="{Link1}" target="_blank">Learn More About the Victory</a>
 
<a href="{Link2}" target="_blank">Go to Waterkeeper Website</a>

The relevant arcade expressions are:

(expression/expr6) = return IIF(IsEmpty($feature.Embeds), 'none', 'inline')

(expression/expr7)= return IIF(IsEmpty($feature.Link1), 'none', 'inline')

Re: Arcade Expr skips empty in MV Classic but not in New MV

XanderBakker — Thu, 24 Feb 2022 00:39:25 GMT

Hi @RaenaDeMaris ,

You would probably end up doing something like:

Re: Arcade Expr skips empty in MV Classic but not in New MV

RhettZufelt — Thu, 24 Feb 2022 19:24:16 GMT

Raena,

Not sure if this pertains, but I have seen some people having issues that "used" to work, but don't now and resolved the issue by using $feature["fieldname"] instead of $feature.fieldname, though, I don't see any spaces in your field names, so "probably" won't make a difference.

Also, unless you are using grouped layers or something that will break in Classic Viewer, one option is to turn off popups in Beta viewer, and open in Classic and add the popup config that worked.

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Thu, 24 Feb 2022 22:13:20 GMT

@XanderBakker this is amazing! Thank you so much for taking the time to show me this. I've learned so much!

Re: Arcade Expr skips empty in MV Classic but not in New MV

jcarlson — Thu, 24 Feb 2022 22:15:30 GMT

Very nice! I'm primarily in Portal, so I must've missed when this got added. Thanks for pointing it out!

Re: Arcade Expr skips empty in MV Classic but not in New MV

RaenaDeMaris — Thu, 24 Feb 2022 22:17:18 GMT

Hi Rhett, Yes, at first I tried the latter. But I think I'm forced into using New MV popup because it provides a little more flexibility in the ordering of the popup. It's now: attribute related--media related--then attribute related again. In Classic, the attribute followed by media, or media followed by attribute works fine. I'm also using some snazzy dropshadow and bloom symbology in New MV, and it's something I should learn anyway. Thanks for the workaround ideas, though!

Re: Arcade Expr skips empty in MV Classic but not in New MV

XanderBakker — Thu, 24 Feb 2022 22:28:25 GMT

Hi @jcarlson ,

When it comes to changes in the web map I think Enterprise is a bit behind ArcGIS Online. It should come to Enterprise soon and can't wait to see some cool stuff with that. Keep up the good work!

Re: Arcade Expr skips empty in MV Classic but not in New MV

jcarlson — Thu, 24 Feb 2022 22:30:23 GMT

Yeah, it usually is. That's part of why I like engaging with questions on here, so that by the time these things land in my Portal toolbox, I've already got a bunch of ideas how to use them.