Collapsible sets (Accordions)

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Collapsible set markup

Collapsible sets start with the exact same markup as individual collapsibles. By adding a parent wrapper with a data-role="collapsible-set" attribute around a number of collapsibles, the framework will style these to looks like a visually grouped widget and make it behave like an accordion so only one section can be open at a time.

By default, all the sections will be collapsed. To set a section to be open when the page loads, add the data-collapsed="false" attribute to the heading of the section you want expanded.


<div data-role="collapsible-set">

	<div data-role="collapsible" data-collapsed="false">
	<h3>Section 1</h3>
	<p>I'm the collapsible set content for section B.</p>
	</div>

	<div data-role="collapsible">
	<h3>Section 2</h3>
	<p>I'm the collapsible set content for section B.</p>
	</div>

</div>
	

Here is an example of a collapsible set with 5 sections.

Section 1

I'm the collapsible content in a set so this feels like an accordion. I'm open by default because I have the data-collapsed="false" attribute.

Section 2

I'm the collapsible content in a set so this feels like an accordion. I'm hidden by default because I have the "collapsed" state; you need to expand the header to see me.

Section 3

I'm the collapsible content in a set so this feels like an accordion. I'm hidden by default because I have the "collapsed" state; you need to expand the header to see me.

Section 4

I'm the collapsible content in a set so this feels like an accordion. I'm hidden by default because I have the "collapsed" state; you need to expand the header to see me.

Section 5

I'm the collapsible content in a set so this feels like an accordion. I'm hidden by default because I have the "collapsed" state; you need to expand the header to see me.

Theming collapsible content

The standard data-theme attribute can be used to set the color of each collapsible in a set. To provide a clearer visual grouping of the content with the headers, add the data-content-theme attribute with a swatch letter. This adds a themed background color and border to the content block. For consistent theming, add these attributes to the parent collapsible set.


<div data-role="collapsible-set" data-theme="c" data-content-theme="d">

Section 1

Collapsible content

Section 2

Collapsible content

Section 3

Collapsible content

Theming individual sections

To have individual sections in a group styled differently, add data-theme and data-content-theme attributes to specific collapsibles.

Section header, swatch B

Collapsible content, swatch B

Section header, swatch A

Collapsible content, swatch A

Section header, swatch E

Collapsible content, swatch D