topic Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder? in ArcGIS Web AppBuilder Questions

How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

MattJunker — Tue, 14 Jun 2016 18:37:33 GMT

There is an Enhanced LayerList widget for the Flex Viewer. Is there a similar Enhanced LayerList widget for Web AppBuilder? My client would like Expand All Layers/Collapse All Layers functionality in a context menu for the LayerList widget, as they did in their old Flex Viewer app. Any solutions or work-arounds for this issue? Thank you.

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

DerekLaw — Wed, 15 Jun 2016 17:20:47 GMT

Hi Matt,

FYI, the ability to expand/collapse all layers will be part of the core Layer List widget in the next Web AppBuilder update in ArcGIS Online (which is planned for this week).

Hope this helps,

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RebeccaStrauch__GISP — Wed, 15 Jun 2016 17:28:45 GMT

Thanks for that note Derek. I added it to the resource list. Typically the dev edition follows a few weeks after. Do you know of an ETA on that?

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

MattJunker — Wed, 15 Jun 2016 17:28:57 GMT

Thank you Derek!

Will the expand/collapse layers update apply to the Web AppBuilder Developer Edition as well as ArcGIS Online?

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RobertScheitlin__GISP — Wed, 15 Jun 2016 17:30:47 GMT

Matt,

Yes the WAB Dev comes out a few weeks after the online version.

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

DerekLaw — Wed, 15 Jun 2016 17:37:44 GMT

All,

As Robert Scheitlin, GISP noted, the update to Web AppBuilder Developer Edition follows approx. 3-4 weeks after the ArcGIS Online update.

> Will the expand/collapse layers update apply to the Web AppBuilder Developer Edition

Yes, in the next update.

Hope this helps,

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RobertScheitlin__GISP — Sun, 12 Dec 2021 05:01:31 GMT

Matt,

Until the next release comes out you can refer to this thread for a code change to accomplish this:

Layer List: Expand Layers by Default

In WAB Dev 2.0 you would add this code:

if(layerInfo.newSubLayers.length > 0){
          setTimeout(lang.hitch(this,
                     this._onRowTrClick,
                     layerInfo,
                     imageShowLegendNode,
                     layerTrNode,
                     tableNode), 300);

after this code block:

//bind event
      this.own(on(layerTitleTdNode,
        'click',
        lang.hitch(this,
          this._onRowTrClick,
          layerInfo,
          imageShowLegendNode,
          layerTrNode,
          tableNode)));

So that it looks like this:

//bind event
      this.own(on(layerTitleTdNode,
        'click',
        lang.hitch(this,
          this._onRowTrClick,
          layerInfo,
          imageShowLegendNode,
          layerTrNode,
          tableNode)));
        if(layerInfo.newSubLayers.length > 0){
          setTimeout(lang.hitch(this,
                     this._onRowTrClick,
                     layerInfo,
                     imageShowLegendNode,
                     layerTrNode,
                     tableNode), 300);

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

AnaHiraldo-Gomez — Thu, 16 Feb 2017 15:13:21 GMT

So when is the next update?

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RobertScheitlin__GISP — Thu, 16 Feb 2017 15:32:14 GMT

Ana,

The ability to expand all layers is part of the 2.1 and above WAB just click on the layerList menu button and choose "Expand All Layers". There is yet to be a configuration setting to have all layers expanded by default though.

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

AnaHiraldo-Gomez — Fri, 17 Feb 2017 13:16:48 GMT

"There is yet to be a configuration setting to have all layers expanded by default" This is precisely what we want. For whatever reason, the average user does not understand they have to click on expand all layers unless they they training.

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RobertScheitlin__GISP — Fri, 17 Feb 2017 13:24:33 GMT

Ana,

Well if you are using 2.3 WAB Dev then look at this thread for the code changes to make that happen:

https://community.esri.com/thread/189567-show-legend-in-layer-list-widget-by-default#comment-663376

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

AnaHiraldo-Gomez — Fri, 17 Feb 2017 13:43:00 GMT

No. I am not. Going to defer to my colleagues (the programmers).

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

devarsimajumder2 — Wed, 11 Jul 2018 17:13:04 GMT

where do we add the code in which widget json file do we add this to specifically? Robert Scheitlin, GISP

Re: How to add Expand All Layers/Collapse All Layers to LayerList widget in Web AppBuilder?

RobertScheitlin__GISP — Wed, 11 Jul 2018 17:47:50 GMT

refer to this thread:

https://community.esri.com/thread/160914