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is there any way to customize individual elements in a LayerList?

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04-08-2016 11:18 AM
DanielSchatt
Regular Contributor

hi all, I have a layer list generated from a dynamic map service layer and I'd like to make a few cosmetic changes.

I would like to make the map service name (the header at the top level of the tree) into a bigger bolder typeface and center it.  I see that one can change some properties like typeface of all the elements but I just want to change that one element.

Also I'd like to make its check box invisible to the user (unnecessary for it to be there since it will always be checked) and I'd like to have the tree expanded upon loading. 

Are these changes possible?  Thanks much!

Dan

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KenBuja
MVP Esteemed Contributor

Here's how to select that label

label[for=layerList_checkbox_0] {
    font-weight: bold;
}

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11 Replies
RickeyFight
MVP Regular Contributor

Dan,

These changes should be possible. Can you post your code for the layer list and provide some screen shots of what you want changed.

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DanielSchatt
Regular Contributor

thanks much Rickey!  My layer list widget and my code are below.  Basically I would just like to enlarge and bolden the "Shoreline Assessment Mapper" text at the top and center it.  Then

remove that check box (and have it checked by default) and the layer list  expanded when it loads. 

LayerList2.JPG

    map = new Map("map", {
        id: "Base map",
        center: [-76.7, 37.786],
        scale: 2000000
    });    
    var basestreet = new ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/arcgis/rest/services/World_Street_Map/MapServer", {
          id: 'street'
    });
    basestreet.setVisibility(true);
    
    var shorelineAssessmentMapperLayer = new ArcGISDynamicMapServiceLayer("http://cmap.vims.edu/arcgis/rest/services/ShorelineAssessmentMapper/MapServer", {
          id: "Shoreline Assessment Mapper"
    });
    shorelineAssessmentMapperLayer.setVisibility(true);
    map.addLayers([basestreet, shorelineAssessmentMapperLayer]);

    var myWidget = new LayerList({
        map: map,
        layers: [{
            layer: shorelineAssessmentMapperLayer
        }],
        showLegend: true,
        showSubLayers: true
    },"layerList");
    myWidget.startup();

					
				
			
			
				
			
			
				
			
			
			
			
			
			
		
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RickeyFight
MVP Regular Contributor

Dan try adding:

input#layerList_checkbox_0 {

    visibility: hidden;

}

to the css.

I am guessing at the checkbox # it might be a different one.

Can you provide a link to the site? It would be easier to have the whole code or the link so I can play with the css .

DanielSchatt
Regular Contributor

great, thanks!! I'll give that a shot, appreciate it!  Here's a link:

http://cmap2.vims.edu/SAM/ShorelineAssessmentMapper.html

Dan

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RickeyFight
MVP Regular Contributor

Dan I cannot reach the link. This is what I get:

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KenBuja
MVP Esteemed Contributor

The link is missing a : behind the http

Layer List Dijit

As for making changes to the items in your layout, you should get familiar with the browsers' development tools. In Chrome, for example, right click on the element and select "Inspect" to get this

inspectcheckbox.png

You can add css styles to see how they affect your layout. In this case,

input#layerList_checkbox_0 {
    visibility: hidden;
}

will hide just the checkbox for the top item.

DanielSchatt
Regular Contributor

thanks so much Ken, as a newbie I had no clue about that and it's incredibly useful..

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DanielSchatt
Regular Contributor

Ken, thanks much for the code above, worked great. But I'm stuck on changing the properties of the  label associated with the checkbox.  I've tried a couple of things I found with no luck  The problem is the label doesn't have an ID, just a "for" property, so I don't know how to reference it in CSS.  And adding an ID to the label isn't possible because (please correct me if I'm wrong)) the HTML for the LayerList is generated dynamically when the application is run.  Any suggestions?

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KenBuja
MVP Esteemed Contributor

Here's how to select that label

label[for=layerList_checkbox_0] {
    font-weight: bold;
}