carbon-components-svelte/docs/src/pages/components/ComboBox.svx
2022-08-17 07:15:29 -07:00

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<script>
import { ComboBox, InlineNotification } from "carbon-components-svelte";
import Preview from "../../components/Preview.svelte";
</script>
`ComboBox` is keyed for performance reasons.
<InlineNotification svx-ignore lowContrast title="Note:" kind="info" hideCloseButton>
<div class="body-short-01">Every <code>items</code> object must have a unique "id" property.</div>
</InlineNotification>
## Default
<ComboBox titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Custom slot
Override the default slot to customize the display of each item. Access the item and index through the `let:` directive.
<FileSource src="/framed/ComboBox/ComboBoxSlot" />
## Initial selected id
<ComboBox titleText="Contact" placeholder="Select contact method"
selectedId="1"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Reactive example
<FileSource src="/framed/ComboBox/ReactiveComboBox" />
## Clear selection
To programmatically clear the selection, access the component instance using the [bind:this](https://svelte.dev/docs#bind_element) directive and invoke the `ComboBox.clear()` accessor.
Specify `focus: false` in the method options to avoid re-focusing the input.
<FileSource src="/framed/ComboBox/ComboBoxClear" />
## Multiple combo boxes
<FileSource src="/framed/ComboBox/MultipleComboBox" />
## Filterable
<FileSource src="/framed/ComboBox/FilterableComboBox" />
## Filterable with custom label
Combine a custom label `itemToString` with the filterable option (e.g., internationalization).
<FileSource src="/framed/ComboBox/FilterableComboBoxCustomLabel" />
## Top direction
Set `direction` to `"top"` for the combobox dropdown menu to appear above the input.
<ComboBox direction="top" titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Light variant
<ComboBox light titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Extra-large size
<ComboBox titleText="Contact" placeholder="Select contact method"
size="xl"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Small size
<ComboBox titleText="Contact" placeholder="Select contact method"
size="sm"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Invalid state
<ComboBox invalid invalidText="Secondary contact method must be different from the primary contact" titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Warning state
<ComboBox warn warnText="This contact method is not associated with your account" titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Disabled state
<ComboBox disabled titleText="Contact" placeholder="Select contact method"
items={[
{id: "0", text: "Slack"},
{id: "1", text: "Email"},
{id: "2", text: "Fax"}
]} />
## Disabled items
Use the `disabled` property in the `items` prop to disable specific items.
<ComboBox
titleText="Contact"
placeholder="Select contact method"
items={[
{ id: "0", text: "Slack" },
{ id: "1", text: "Email", disabled: true },
{ id: "2", text: "Fax" },
]}
/>