@progress/wct-a11y-spec
Version:
Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.
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[
{
"h2": "Accessibility Support"
},
{
"p": "Out of the box, the Telerik and Kendo UI ColorPalette provides extensive accessibility support and enables users with disabilities to acquire complete control over its features."
},
{
"p": "The ColorPalette is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 standards](https://www.w3.org/TR/WCAG22/) and [Section 508](http://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices for implementing the [keyboard navigation](#keyboard-navigation) for its `component` role, provides options for [managing its focus](#managing-the-focus) and is tested against the most popular [screen readers](#screen-readers)."
},
{
"h3": "WAI-ARIA"
},
{
"p": "This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any."
},
{
"table": {
"headers": [
"Selector",
"Attribute",
"Usage"
],
"rows": [
{
"Selector": "`.k-colorpalette`",
"Attribute": "`role=grid`",
"Usage": "The focusable wrapper of the component should announce its role as a `grid`."
},
{
"Selector": "",
"Attribute": "`aria-label` or `aria-labelledby`",
"Usage": "The component needs an accessible name to be assigned to it. Must also include the currently selected value in the component."
},
{
"Selector": "",
"Attribute": "`aria-activedescendant=.k-colorpalette-tile.k-focus id`",
"Usage": "Points to the focused cell in the table. The focused cell is changed via keyboard navigation."
},
{
"Selector": "",
"Attribute": "`tabindex=0`",
"Usage": "The element must be focusable."
},
{
"Selector": "`.k-colorpalette.k-disabled`",
"Attribute": "`aria-disabled=true`",
"Usage": "Attribute is rendered only when the ColorPalette is disabled."
},
{
"Selector": "`.k-colorpalette-table`",
"Attribute": "`role=none/presentation`",
"Usage": "Negates the default role of the element, as it is wrapped within a `role=\"grid\"` element."
},
{
"Selector": "`.k-colorpalette-table>tbody>tr`",
"Attribute": "`role=row`",
"Usage": "Required as the semantic role of its parent `<table>` has been removed."
},
{
"Selector": "`.k-colorpalette-tile`",
"Attribute": "`role=gridcell`",
"Usage": "Required as the semantic role of its parent `<table>` has been removed."
},
{
"Selector": "",
"Attribute": "`aria-label` or `title`",
"Usage": "The text representation of the color value for the current cell."
},
{
"Selector": "`.k-colorpalette-tile.k-selected`",
"Attribute": "`aria-selected=true`",
"Usage": "Present on the currently selected cell in the component."
}
]
}
},
{
"h3": "Keyboard Shortcuts"
},
{
"table": {
"headers": [
"Shortcut",
"Behavior"
],
"rows": [
{
"Shortcut": "`Down Arrow`",
"Behavior": "Focuses the next cell below."
},
{
"Shortcut": "`Up Arrow`",
"Behavior": "Focuses the next cell above."
},
{
"Shortcut": "`Right Arrow`",
"Behavior": "Focuses the next cell on the right."
},
{
"Shortcut": "`Left Arrow`",
"Behavior": "Focuses the next cell on the left."
},
{
"Shortcut": "`Enter`",
"Behavior": "Selects the color from the currently focused cell."
}
]
}
},
{
"h3": "Testing"
},
{
"p": "The ColorPalette has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers."
},
{
"h3": "Screen Readers"
},
{
"p": "The ColorPalette has been tested with the following screen readers and browsers combinations:"
},
{
"table": {
"headers": [
"Environment",
"Tool"
],
"rows": [
[
"Firefox",
"NVDA"
],
[
"Chrome",
"JAWS"
],
[
"Microsoft Edge",
"JAWS"
]
]
}
},
{
"h3": "Resources"
},
{
"ul": [
{
"link": {
"source": "https://www.w3.org/WAI/ARIA/apg/patterns/grid/examples/data-grids/",
"title": "ARIA Authoring Practices: Data Grid"
}
}
]
}
]