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Improve Management screen-reader accessibility. #11601

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merged 2 commits into from
May 10, 2017
Merged

Improve Management screen-reader accessibility. #11601

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1c47bf1
Improve Management screen-reader accessibility:
cjcenizal May 1, 2017
f8da8b1
Allow formatted label to be presented in lieu of default alt attribute.
cjcenizal May 9, 2017
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1 change: 0 additions & 1 deletion .../kibana/public/management/sections/indices/create_index_pattern/create_index_pattern.html
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Expand Up @@ -76,7 +76,6 @@
class="kuiLink"
href="https://en.wikipedia.org/wiki/ISO_week_date"
target="_blank"
title="Wikipedia: ISO Week Date"
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We should never use title, and this element contains text so it's already accessible.

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Out of curiosity: why is using title bad? Not as part of this PR but it might be good to include this guideline (with rationale) in our HTML style guide.

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Never mind, I found your link in the issue for this PR: https://www.paciellogroup.com/blog/2012/01/html5-accessibility-chops-title-attribute-use-and-abuse/. I'm do think we should add this guideline to our HTML style guide (as part of a separate PR, if you prefer).

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I noticed that the article is from January 2012, over 5 years ago. The main reason it suggests not using title is that not all browsers support it. I checked https://caniuse.com/#search=title and that seems to no longer be the case. Thoughts?

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Never mind (again!) 😛. I misunderstood the article (and the W3C recommendation it links to). It's not so much that browsers don't support title, it's that its not very friendly on devices that don't have a keyboard or mouse (screenreaders, etc.). +1 for not using it and documenting it in our HTML style guide.

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Haha ok I'll open a PR. Thanks man.

translate="KIBANA-WIKI_ISO_WEEK_DATE"
></a>
</p>
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6 changes: 4 additions & 2 deletions ...gins/kibana/public/management/sections/indices/edit_index_pattern/edit_index_pattern.html
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Expand Up @@ -73,12 +73,14 @@
class="kuiTab"
ng-repeat="editSection in editSections"
ng-class="{ 'kuiTab-isSelected': state.tab === editSection.index }"
title="{{ editSection.title }}"
ng-click="changeTab(editSection)"
data-test-subj="tab-{{ editSection.index }}"
>
{{ editSection.title }}
<span data-test-subj="tab-count-{{ editSection.index }}">
<span
data-test-subj="tab-count-{{ editSection.index }}"
aria-label="{{:: editSection.count + ' ' + editSection.title}}"
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I tried to make this label a little more informative by including both the count and the title.

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Silly question, but how do I get the aria-label to display?

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It's only accessible to screen-readers, so you'll have to use a screen reader to read it aloud to you. I'm on OS X so I'm just using the Voice Over app which ships with it. I think for Windows, NVDA is really popular (and it's free). Here's a guide on how to use it.

>
({{ editSection.count }})
</span>
</button>
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5 changes: 2 additions & 3 deletions src/core_plugins/kibana/public/management/sections/objects/_objects.html
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Expand Up @@ -48,12 +48,11 @@ <h1 class="kuiTitle">
class="kuiTab kbn-management-tab"
ng-class="{ 'kuiTab-isSelected': state.tab === service.title }"
ng-repeat="service in services"
title="{{ service.title }}"
ng-click="changeTab(service)"
>
{{ service.title }}
<small>
({{service.data.length}}<span ng-show="service.total > service.data.length"> of {{service.total}}</span>)
<small aria-label="{{:: service.data.length + ' of ' + service.total + ' ' + service.title }}">
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To make this fully make sense, I combined the visible number of services, the total, and the kind of service.

({{service.data.length}}<span ng-show="service.total > service.data.length"> of {{service.total}}</span>)
</small>
</button>
</div>
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19 changes: 15 additions & 4 deletions src/ui/public/stringify/types/url.js
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Expand Up @@ -89,17 +89,28 @@ export function stringifyUrl(Private) {

html: function (rawValue, field, hit) {
const url = _.escape(this._formatUrl(rawValue));
let label = _.escape(this._formatLabel(rawValue, url));
const label = _.escape(this._formatLabel(rawValue, url));

switch (this.param('type')) {
case 'img':
return '<img src="' + url + '" alt="' + label + '" title="' + label + '">';
// If the URL hasn't been formatted to become a meaningful label then the best we can do
// is tell screen readers where the image comes from.
const imageLabel =
label === url
? `A dynamically-specified image located at ${url}`
: label;

return `<img src="${url}" alt="${imageLabel}">`;
default:
let linkLabel;

if (hit && hit.highlight && hit.highlight[field.name]) {
label = getHighlightHtml(label, hit.highlight[field.name]);
linkLabel = getHighlightHtml(label, hit.highlight[field.name]);
} else {
linkLabel = label;
}

return '<a href="' + url + '" target="_blank">' + label + '</a>';
return `<a href="${url}" target="_blank">${linkLabel}</a>`;
}
}
};
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