158 lines
6.7 KiB
Vue
158 lines
6.7 KiB
Vue
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<template>
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<DocSectionText id="accessibility" label="Accessibility" v-bind="$attrs">
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<h3>Screen Reader</h3>
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<p>
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Value to describe the component can be provided <i>aria-labelledby</i> or <i>aria-label</i> props. The list element has a <i>listbox</i> role with the <i>aria-multiselectable</i> attribute that sets to true when multiple selection is
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enabled. Each list item has an <i>option</i> role with <i>aria-selected</i> and <i>aria-disabled</i> as their attributes.
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</p>
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<p>If filtering is enabled, <i>filterInputProps</i> can be defined to give <i>aria-*</i> props to the input element. Alternatively <i>filterPlaceholder</i> is usually utilized by the screen readers as well.</p>
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<DocSectionCode :code="code" hideToggleCode hideStackBlitz v-bind="$attrs" />
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<h3>Keyboard Support</h3>
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<div class="doc-tablewrapper">
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<table class="doc-table">
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<thead>
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<tr>
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<th>Key</th>
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<th>Function</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><i>tab</i></td>
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<td>Moves focus to the first selected option, if there is none then first option receives the focus.</td>
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</tr>
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<tr>
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<td><i>up arrow</i></td>
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<td>Moves focus to the previous option.</td>
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</tr>
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<tr>
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<td><i>down arrow</i></td>
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<td>Moves focus to the next option.</td>
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</tr>
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<tr>
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<td><i>enter</i></td>
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<td>Toggles the selected state of the focused option.</td>
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</tr>
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<tr>
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<td><i>space</i></td>
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<td>Toggles the selected state of the focused option.</td>
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</tr>
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<tr>
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<td><i>home</i></td>
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<td>Moves focus to the first option.</td>
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</tr>
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<tr>
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<td><i>end</i></td>
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<td>Moves focus to the last option.</td>
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</tr>
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<tr>
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<td><i>shift</i> + <i>down arrow</i></td>
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<td>Moves focus to the next option and toggles the selection state.</td>
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</tr>
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<tr>
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<td><i>shift</i> + <i>up arrow</i></td>
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<td>Moves focus to the previous option and toggles the selection state.</td>
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</tr>
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<tr>
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<td><i>shift</i> + <i>space</i></td>
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<td>Selects the items between the most recently selected option and the focused option.</td>
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</tr>
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<tr>
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<td><i>control</i> + <i>shift</i> + <i>home</i></td>
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<td>Selects the focused options and all the options up to the first one.</td>
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</tr>
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<tr>
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<td><i>control</i> + <i>shift</i> + <i>end</i></td>
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<td>Selects the focused options and all the options down to the last one.</td>
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</tr>
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<tr>
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<td><i>control</i> + <i>a</i></td>
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<td>Selects all options.</td>
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</tr>
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<tr>
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<td><i>pageUp</i></td>
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<td>Jumps visual focus to first option.</td>
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</tr>
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<tr>
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<td><i>pageDown</i></td>
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<td>Jumps visual focus to last option.</td>
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</tr>
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<tr>
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<td><i>any printable character</i></td>
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<td>Moves focus to the option whose label starts with the characters being typed.</td>
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</tr>
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</tbody>
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</table>
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</div>
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<h3>Filter Input Keyboard Support</h3>
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<div class="doc-tablewrapper">
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<table class="doc-table">
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<thead>
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<tr>
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<th>Key</th>
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<th>Function</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><i>down arrow</i></td>
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<td>Moves focus to the next option, if there is none then visual focus does not change.</td>
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</tr>
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<tr>
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<td><i>up arrow</i></td>
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<td>Moves focus to the previous option, if there is none then visual focus does not change.</td>
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</tr>
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<tr>
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<td><i>left arrow</i></td>
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<td>Removes the visual focus from the current option and moves input cursor to one character left.</td>
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</tr>
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<tr>
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<td><i>right arrow</i></td>
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<td>Removes the visual focus from the current option and moves input cursor to one character right.</td>
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</tr>
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<tr>
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<td><i>home</i></td>
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<td>Moves input cursor at the end, if not then moves focus to the first option.</td>
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</tr>
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<tr>
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<td><i>end</i></td>
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<td>Moves input cursor at the beginning, if not then moves focus to the last option.</td>
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</tr>
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<tr>
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<td><i>enter</i></td>
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<td>Closes the popup and moves focus to the multiselect element.</td>
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</tr>
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<tr>
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<td><i>escape</i></td>
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<td>Closes the popup and moves focus to the multiselect element.</td>
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</tr>
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<tr>
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<td><i>tab</i></td>
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<td>Moves focus to the next focusable element in the component. If there is none, moves focus to next element in page.</td>
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</tr>
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</tbody>
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</table>
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</div>
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</DocSectionText>
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</template>
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<script>
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export default {
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data() {
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return {
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code: {
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basic: `
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<span id="lb"></span>Options</span>
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<Listbox aria-labelledby="lb" />
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<Listbox aria-label="City" />
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`
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}
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};
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}
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};
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</script>
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