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<script lang="ts">
import type { Gradio } from "@gradio/utils";
import { Block, BlockTitle } from "@gradio/atoms";
import { StatusTracker } from "@gradio/statustracker";
import type { LoadingStatus } from "@gradio/statustracker";
export let label = "Dropdown";
export let elem_id = "";
export let elem_classes: string[] = [];
export let visible = true;
export let value: string | number;
export let value_is_output = false;
export let choices: [string, string | number][];
export let show_label: boolean;
export let scale: number | null = null;
export let min_width: number | undefined = undefined;
export let loading_status: LoadingStatus;
export let gradio: Gradio<{
change: string;
input: never;
clear_status: LoadingStatus;
}>;
export let interactive: boolean;
const container = true;
let display_value: string;
let candidate: [string, string | number][];
function handle_change(): void {
gradio.dispatch("change");
if (!value_is_output) {
gradio.dispatch("input");
}
}
$: if (display_value) {
candidate = choices.filter((choice) => choice[0] === display_value);
value = candidate.length ? candidate[0][1] : "";
}
// When the value changes, dispatch the change event via handle_change()
// See the docs for an explanation: https://svelte.dev/docs/svelte-components#script-3-$-marks-a-statement-as-reactive
$: value, handle_change();
</script>
<Block
{visible}
{elem_id}
{elem_classes}
padding={container}
allow_overflow={false}
{scale}
{min_width}
>
{#if loading_status}
<StatusTracker
autoscroll={gradio.autoscroll}
i18n={gradio.i18n}
{...loading_status}
on:clear_status={() => gradio.dispatch("clear_status", loading_status)}
/>
{/if}
<label class:container>
<BlockTitle {show_label} info={undefined}>{label}</BlockTitle>
<select disabled={!interactive} bind:value={display_value}>
{#each choices as choice}
<option>{choice[0]}</option>
{/each}
</select>
</label>
</Block>
<style>
select {
--ring-color: transparent;
display: block;
position: relative;
outline: none !important;
box-shadow:
0 0 0 var(--shadow-spread) var(--ring-color),
var(--shadow-inset);
border: var(--input-border-width) solid var(--border-color-primary);
border-radius: var(--radius-lg);
background-color: var(--input-background-base);
padding: var(--size-2-5);
width: 100%;
color: var(--color-text-body);
font-size: var(--scale-00);
line-height: var(--line-sm);
}
select:focus {
--ring-color: var(--color-focus-ring);
border-color: var(--input-border-color-focus);
}
select::placeholder {
color: var(--color-text-placeholder);
}
select[disabled] {
cursor: not-allowed;
box-shadow: none;
}
</style>
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