gradio/js/slider/Index.svelte
Hannah 2afcad80ab
Allow negative values in gr.Slider (#9988)
* remove fallback values in slider

* story

* add changeset

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
2024-11-19 15:24:18 +00:00

366 lines
8.2 KiB
Svelte

<script context="module">
let _id = 0;
</script>
<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";
import { afterUpdate } from "svelte";
export let gradio: Gradio<{
change: never;
input: never;
release: number;
clear_status: LoadingStatus;
}>;
export let elem_id = "";
export let elem_classes: string[] = [];
export let visible = true;
export let value = 0;
let initial_value = value;
export let label = gradio.i18n("slider.slider");
export let info: string | undefined = undefined;
export let container = true;
export let scale: number | null = null;
export let min_width: number | undefined = undefined;
export let minimum: number;
export let maximum = 100;
export let step: number;
export let show_label: boolean;
export let interactive: boolean;
export let loading_status: LoadingStatus;
export let value_is_output = false;
export let root: string;
let range_input: HTMLInputElement;
let number_input: HTMLInputElement;
const id = `range_id_${_id++}`;
let window_width: number;
$: minimum_value = minimum ?? 0;
function handle_change(): void {
gradio.dispatch("change");
if (!value_is_output) {
gradio.dispatch("input");
}
}
afterUpdate(() => {
value_is_output = false;
set_slider();
});
function handle_release(e: MouseEvent): void {
gradio.dispatch("release", value);
}
function clamp(): void {
gradio.dispatch("release", value);
value = Math.min(Math.max(value, minimum), maximum);
}
function set_slider(): void {
set_slider_range();
range_input.addEventListener("input", set_slider_range);
number_input.addEventListener("input", set_slider_range);
}
function set_slider_range(): void {
const range = range_input;
const min = Number(range.min);
const max = Number(range.max);
const val = Number(range.value);
const percentage = ((val - min) / (max - min)) * 100;
range.style.setProperty("--range_progress", `${percentage}%`);
}
$: disabled = !interactive;
// When the value changes, dispatch the change event via handle_change()
// See the docs for an explanation: https://svelte.dev/docs/svelte-components#script-3-$-marks-a-statement-as-reactive
$: value, handle_change();
function handle_resize(): void {
window_width = window.innerWidth;
}
function reset_value(): void {
value = initial_value;
set_slider_range();
gradio.dispatch("change");
gradio.dispatch("release", value);
}
</script>
<svelte:window on:resize={handle_resize} />
<Block {visible} {elem_id} {elem_classes} {container} {scale} {min_width}>
<StatusTracker
autoscroll={gradio.autoscroll}
i18n={gradio.i18n}
{...loading_status}
on:clear_status={() => gradio.dispatch("clear_status", loading_status)}
/>
<div class="wrap">
<div class="head">
<label for={id}>
<BlockTitle {root} {show_label} {info}>{label}</BlockTitle>
</label>
<div class="tab-like-container">
<input
aria-label={`number input for ${label}`}
data-testid="number-input"
type="number"
bind:value
bind:this={number_input}
min={minimum}
max={maximum}
on:blur={clamp}
{step}
{disabled}
on:pointerup={handle_release}
/>
<button
class="reset-button"
on:click={reset_value}
{disabled}
aria-label="Reset to default value"
>
</button>
</div>
</div>
<div class="slider_input_container">
<span class="min_value">{minimum_value}</span>
<input
type="range"
{id}
name="cowbell"
bind:value
bind:this={range_input}
min={minimum}
max={maximum}
{step}
{disabled}
on:pointerup={handle_release}
aria-label={`range slider for ${label}`}
/>
<span class="max_value">{maximum}</span>
</div>
</div>
</Block>
<style>
.wrap {
display: flex;
flex-direction: column;
width: 100%;
}
.head {
margin-bottom: var(--size-2);
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
}
.slider_input_container {
display: flex;
align-items: center;
gap: var(--size-2);
}
input[type="range"] {
-webkit-appearance: none;
appearance: none;
width: 100%;
cursor: pointer;
outline: none;
border-radius: var(--radius-xl);
min-width: var(--size-28);
background: transparent;
}
/* webkit track */
input[type="range"]::-webkit-slider-runnable-track {
height: var(--size-2);
background: var(--neutral-200);
border-radius: var(--radius-xl);
}
/* webkit thumb */
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
height: var(--size-4);
width: var(--size-4);
background-color: white;
border-radius: 50%;
margin-top: -5px;
box-shadow:
0 0 0 1px rgba(247, 246, 246, 0.739),
1px 1px 4px rgba(0, 0, 0, 0.1);
}
input[type="range"]::-webkit-slider-runnable-track {
background: linear-gradient(
to right,
var(--slider-color) var(--range_progress),
var(--neutral-200) var(--range_progress)
);
}
/* firefox */
input[type="range"]::-moz-range-track {
height: var(--size-2);
background: var(--neutral-200);
border-radius: var(--radius-xl);
}
input[type="range"]::-moz-range-thumb {
appearance: none;
height: var(--size-4);
width: var(--size-4);
background-color: white;
border-radius: 50%;
border: none;
margin-top: calc(-1 * (var(--size-4) - var(--size-2)) / 2);
box-shadow:
0 0 0 1px rgba(247, 246, 246, 0.739),
1px 1px 4px rgba(0, 0, 0, 0.1);
}
input[type="range"]::-moz-range-progress {
height: var(--size-2);
background-color: var(--slider-color);
border-radius: var(--radius-xl);
}
input[type="number"] {
display: block;
outline: none;
border: 1px solid var(--input-border-color);
border-radius: var(--radius-sm);
background: var(--input-background-fill);
padding: var(--size-2) var(--size-3);
height: var(--size-8);
color: var(--body-text-color);
font-size: var(--input-text-size);
line-height: var(--line-sm);
text-align: center;
min-width: var(--size-16);
transition: border-color 0.15s ease-in-out;
}
input[type="number"]:focus {
box-shadow: none;
border-width: 2px;
}
input:disabled,
input[disabled] {
-webkit-text-fill-color: var(--body-text-color);
opacity: 1;
cursor: not-allowed;
}
input::placeholder {
color: var(--input-placeholder-color);
}
input[type="range"][disabled] {
opacity: 0.6;
}
input[type="range"][disabled]::-webkit-slider-thumb,
input[type="range"][disabled]::-moz-range-thumb,
input[type="range"][disabled]::-ms-thumb,
input[type="range"][disabled]::-webkit-slider-thumb:hover,
input[type="range"][disabled]::-moz-range-thumb:hover,
input[type="range"][disabled]::-moz-range-track:hover {
background-color: var(--body-text-color-subdued);
cursor: not-allowed;
}
.min_value,
.max_value {
font-size: var(--text-sm);
color: var(--body-text-color-subdued);
}
.min_value {
margin-right: var(--size-0-5);
}
.max_value {
margin-left: var(--size-0-5);
margin-right: var(--size-0-5);
}
@media (max-width: 480px) {
.min_value,
.max_value {
display: none;
}
}
@media (max-width: 420px) {
.head .tab-like-container {
margin-bottom: var(--size-4);
}
}
.tab-like-container {
display: flex;
align-items: stretch;
border: 1px solid var(--input-border-color);
border-radius: var(--radius-sm);
overflow: hidden;
height: var(--size-6);
}
input[type="number"] {
border: none;
border-radius: 0;
padding: var(--size-1) var(--size-2);
height: 100%;
min-width: var(--size-14);
font-size: var(--text-sm);
}
input[type="number"]:focus {
box-shadow: inset 0 0 0 1px var(--color-accent);
border-radius: 3px 0 0px 3px;
}
.reset-button {
display: flex;
align-items: center;
justify-content: center;
background: none;
border: none;
border-left: 1px solid var(--input-border-color);
cursor: pointer;
font-size: var(--text-sm);
color: var(--body-text-color);
padding: 0 var(--size-2);
min-width: var(--size-6);
transition: background-color 0.15s ease-in-out;
}
.reset-button:hover:not(:disabled) {
background-color: var(--background-fill-secondary);
}
.reset-button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
</style>