TypoScript: Make File links element collapsible when choosing 'Layout 3'. #bootstrap

tt_content.ts

# Make collapsible for layout 3
tt_content.uploads {
	10 >
	10 = CASE
	10 {
		key.field = layout

		3 = TEXT
		3 {
			field = header
			dataWrap (
				<h3>
					<a href="#csc-uploads-{field:uid}" data-toggle="collapse">|</a>
				</h3>
			)
		}

		default = < lib.stdheader
	}

	20 {
		renderObj {
			# Preview size
			10 {
				file.width = 150

				params.override = class="thumbnail"
				params.override.if.value.field = layout
				params.override.if.equals = 3
			}
		}

		stdWrap.dataWrap.override = <ul class="csc-uploads csc-uploads-{field:layout} collapse" id="csc-uploads-{field:uid}">|</ul>
		stdWrap.dataWrap.override.if.value.field = layout
		stdWrap.dataWrap.override.if.equals = 3
	}
}