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<script lang="ts">
const browser = typeof document !== "undefined";
import { get_next_color } from "@gradio/utils";
import type { SelectData } from "@gradio/utils";
import { createEventDispatcher } from "svelte";
import { correct_color_map } from "./utils";
export let value: {
token: string;
class_or_confidence: string | number | null;
}[] = [];
export let show_legend = false;
export let show_inline_category = true;
export let color_map: Record<string, string> = {};
export let selectable = false;
let ctx: CanvasRenderingContext2D;
let _color_map: Record<string, { primary: string; secondary: string }> = {};
let active = "";
function splitTextByNewline(text: string): string[] {
return text.split("\n");
}
const dispatch = createEventDispatcher<{
select: SelectData;
}>();
let mode: "categories" | "scores";
$: {
if (!color_map) {
color_map = {};
}
if (value.length > 0) {
for (let entry of value) {
if (entry.class_or_confidence !== null) {
if (typeof entry.class_or_confidence === "string") {
mode = "categories";
if (!(entry.class_or_confidence in color_map)) {
let color = get_next_color(Object.keys(color_map).length);
color_map[entry.class_or_confidence] = color;
}
} else {
mode = "scores";
}
}
}
}
correct_color_map(color_map, _color_map, browser, ctx);
}
function handle_mouseover(label: string): void {
active = label;
}
function handle_mouseout(): void {
active = "";
}
</script>
<!--
@todo victor: try reimplementing without flex (negative margins on container to avoid left margin on linebreak).
If not possible hijack the copy execution like this:
<svelte:window
on:copy|preventDefault={() => {
const selection =.getSelection()?.toString();
console.log(selection?.replaceAll("\n", " "));
}}
/>
-->
<div class="container">
{#if mode === "categories"}
{#if show_legend}
<div
class="category-legend"
data-testid="highlighted-text:category-legend"
>
{#each Object.entries(_color_map) as [category, color], i}
<!-- TODO: fix -->
<!-- svelte-ignore a11y-no-static-element-interactions -->
<div
on:mouseover={() => handle_mouseover(category)}
on:focus={() => handle_mouseover(category)}
on:mouseout={() => handle_mouseout()}
on:blur={() => handle_mouseout()}
class="category-label"
style={"background-color:" + color.secondary}
>
{category}
</div>
{/each}
</div>
{/if}
<div class="textfield">
{#each value as v, i}
{#each splitTextByNewline(v.token) as line, j}
{#if line.trim() !== ""}
<!-- TODO: fix -->
<!-- svelte-ignore a11y-no-static-element-interactions -->
<!-- svelte-ignore a11y-click-events-have-key-events-->
<span
class="textspan"
style:background-color={v.class_or_confidence === null ||
(active && active !== v.class_or_confidence)
? ""
: _color_map[v.class_or_confidence].secondary}
class:no-cat={v.class_or_confidence === null ||
(active && active !== v.class_or_confidence)}
class:hl={v.class_or_confidence !== null}
class:selectable
on:click={() => {
dispatch("select", {
index: i,
value: [v.token, v.class_or_confidence]
});
}}
>
<span
class:no-label={v.class_or_confidence === null ||
!_color_map[v.class_or_confidence]}
class="text">{line}</span
>
{#if !show_legend && show_inline_category && v.class_or_confidence !== null}
<span
class="label"
style:background-color={v.class_or_confidence === null ||
(active && active !== v.class_or_confidence)
? ""
: _color_map[v.class_or_confidence].primary}
>
{v.class_or_confidence}
</span>
{/if}
</span>
{/if}
{#if j < splitTextByNewline(v.token).length - 1}
<br />
{/if}
{/each}
{/each}
</div>
{:else}
{#if show_legend}
<div class="color-legend" data-testid="highlighted-text:color-legend">
<span>-1</span>
<span>0</span>
<span>+1</span>
</div>
{/if}
<div class="textfield" data-testid="highlighted-text:textfield">
{#each value as v}
{@const score =
typeof v.class_or_confidence === "string"
? parseInt(v.class_or_confidence)
: v.class_or_confidence}
<span
class="textspan score-text"
style={"background-color: rgba(" +
(score && score < 0
? "128, 90, 213," + -score
: "239, 68, 60," + score) +
")"}
>
<span class="text">{v.token}</span>
</span>
{/each}
</div>
{/if}
</div>
<style>
.container {
display: flex;
flex-direction: column;
gap: var(--spacing-sm);
padding: var(--block-padding);
}
.hl + .hl {
margin-left: var(--size-1);
}
.textspan:last-child > .label {
margin-right: 0;
}
.category-legend {
display: flex;
flex-wrap: wrap;
gap: var(--spacing-sm);
color: black;
}
.category-label {
cursor: pointer;
border-radius: var(--radius-xs);
padding-right: var(--size-2);
padding-left: var(--size-2);
font-weight: var(--weight-semibold);
}
.color-legend {
display: flex;
justify-content: space-between;
border-radius: var(--radius-xs);
background: linear-gradient(
to right,
var(--color-purple),
rgba(255, 255, 255, 0),
var(--color-red)
);
padding: var(--size-1) var(--size-2);
font-weight: var(--weight-semibold);
}
.textfield {
box-sizing: border-box;
border-radius: var(--radius-xs);
background: var(--background-fill-primary);
background-color: transparent;
max-width: var(--size-full);
line-height: var(--scale-4);
word-break: break-all;
}
.textspan {
transition: 150ms;
border-radius: var(--radius-xs);
padding-top: 2.5px;
padding-right: var(--size-1);
padding-bottom: 3.5px;
padding-left: var(--size-1);
color: black;
}
.label {
transition: 150ms;
margin-top: 1px;
border-radius: var(--radius-xs);
padding: 1px 5px;
color: var(--body-text-color);
color: white;
font-weight: var(--weight-bold);
font-size: var(--text-sm);
text-transform: uppercase;
}
.text {
color: black;
white-space: pre-wrap;
}
.score-text .text {
color: var(--body-text-color);
}
.score-text {
margin-right: var(--size-1);
padding: var(--size-1);
}
.no-cat {
color: var(--body-text-color);
}
.no-label {
color: var(--body-text-color);
}
.selectable {
cursor: pointer;
}
</style>
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