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Accordion Example: add optional keys (pull #397)
1. Adds the following (optional) keyboard commands based on issue #158: * Up/ Down: Cycle focus through accordion toggle controls/ headings * Home/ End: Focus first/ last accordion toggle control/ heading * Control + Page Up/ Down: Move focus from accordion panel to accordion heading, and then cycle through headings. 2. Refactors JS and CSS to be simpler to understand.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,92 +1,71 @@ | ||
| /* Contains the accordion elements */ | ||
| .accordion { | ||
| border: 1px solid hsl(0, 0%, 82%); | ||
| border-radius: .3em; | ||
| box-shadow: 0 1px 2px hsl(0, 0%, 82%); | ||
| .Accordion { | ||
| border: 1px solid hsl(0, 0%, 82%); | ||
| border-radius: .3em; | ||
| box-shadow: 0 1px 2px hsl(0, 0%, 82%); | ||
| } | ||
|
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||
| .accordion > * + * { | ||
| border-top: 1px solid hsl(0, 0%, 82%); | ||
| .Accordion > * + * { | ||
| border-top: 1px solid hsl(0, 0%, 82%); | ||
| } | ||
|
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||
| /* Heading containing accordion button */ | ||
| .accordion dt[role="heading"] { | ||
|
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||
| } | ||
|
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| .accordion dt[role="heading"]:first-of-type > [role="button"] { | ||
| border-radius: .3em .3em 0 0; | ||
| } | ||
|
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||
| .accordion dt[role="heading"]:last-of-type > [role="button"] { | ||
| border-radius: 0 0 .3em .3em; | ||
| } | ||
|
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| .accordion dt[role="heading"]:last-of-type > [role="button"][aria-expanded="true"] { | ||
| border-radius: 0; | ||
| } | ||
|
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| /* Accordion button */ | ||
| .accordion dt > [role="button"] { | ||
| display: block; | ||
| position: relative; | ||
| margin: 0; | ||
| padding: 1em 1.5em; | ||
| border-bottom: 0; | ||
| color: hsl(0, 0%, 13%); | ||
| font-weight: normal; | ||
| .Accordion-trigger { | ||
| background: none; | ||
| border: 0; | ||
| color: hsl(0, 0%, 13%); | ||
| display: block; | ||
| font-size: 1rem; | ||
| font-weight: normal; | ||
| margin: 0; | ||
| padding: 1em 1.5em; | ||
| position: relative; | ||
| text-align: left; | ||
| width: 100%; | ||
| } | ||
|
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||
| .accordion dt > [role="button"]:hover, | ||
| .accordion dt > [role="button"]:focus { | ||
| margin: inherit; | ||
| background: hsl(0, 0%, 93%); | ||
| .Accordion dt:first-child .Accordion-trigger { | ||
| border-radius: .3em .3em 0 0; | ||
| } | ||
|
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||
| /* Accordion button icon */ | ||
| .accordion dt > [role="button"] .icon { | ||
| position: absolute; | ||
| top: 50%; | ||
| right: 1.5em; | ||
| transform: translateY(-60%) rotate(45deg); | ||
| width: 8px; | ||
| height: 8px; | ||
| border: solid hsl(0, 0%, 62%); | ||
| border-width: 0 2px 2px 0; | ||
| .Accordion-trigger:focus, | ||
| .Accordion-trigger:hover { | ||
| background: hsl(0, 0%, 93%); | ||
| } | ||
|
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| .accordion dt > [role="button"][aria-expanded="true"] .icon { | ||
| transform: translateY(-50%) rotate(-135deg); | ||
| .Accordion-icon { | ||
| border: solid hsl(0, 0%, 62%); | ||
| border-width: 0 2px 2px 0; | ||
| height: .5rem; | ||
| position: absolute; | ||
| right: 1.5em; | ||
| top: 50%; | ||
| transform: translateY(-60%) rotate(45deg); | ||
| width: .5rem; | ||
| } | ||
|
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||
| .accordion dt > [role="button"]:hover .icon, | ||
| .accordion dt > [role="button"]:focus .icon { | ||
| border-color: hsl(0, 0%, 13%); | ||
| .Accordion-trigger:focus .Accordion-icon, | ||
| .Accordion-trigger:hover .Accordion-icon { | ||
| border-color: hsl(0, 0%, 13%); | ||
| } | ||
|
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||
| /* Accordion panel */ | ||
| .accordion dd[role="region"] { | ||
| margin: 0; | ||
| padding: 1em 1.5em; | ||
| /*border: solid hsl(0, 0%, 82%); | ||
| border-width: 0 1px;*/ | ||
| .Accordion-trigger[aria-expanded="true"] .Accordion-icon { | ||
| transform: translateY(-50%) rotate(-135deg); | ||
| } | ||
|
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||
| .accordion dd[role="region"].hidden { | ||
| display: none; | ||
| .Accordion-panel { | ||
| margin: 0; | ||
| padding: 1em 1.5em; | ||
| } | ||
|
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||
| /* Basic stuff */ | ||
| fieldset { | ||
| border: 0; | ||
| margin: 0; | ||
| padding: 0; | ||
| border: 0; | ||
| margin: 0; | ||
| padding: 0; | ||
| } | ||
|
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| input[type="text"] { | ||
| display: block; | ||
| padding: .3em .5em; | ||
| border: 1px solid hsl(0, 0%, 62%); | ||
| border-radius: .3em; | ||
| font-size: inherit; | ||
| input { | ||
| border: 1px solid hsl(0, 0%, 62%); | ||
| border-radius: .3em; | ||
| display: block; | ||
| font-size: inherit; | ||
| padding: .3em .5em; | ||
| } |
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