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<script lang="ts">
import { BlockLabel } from "@gradio/atoms";
import { Image } from "@gradio/icons";
import type { I18nFormatter } from "@gradio/utils";
import { ImagePaste, Upload as UploadIcon } from "@gradio/icons";
import { Toolbar, IconButton } from "@gradio/atoms";
import { Upload } from "@gradio/upload";
import { type FileData, normalise_file } from "@gradio/client";
import ClearImage from "./ClearImage.svelte";
import SveltePannellum from './SveltePannellum.svelte';
export let value: null | FileData;
export let label: string | undefined = undefined;
export let height: number = 400;
export let show_label: boolean;
export let sources: ("clipboard" | "upload")[] = ["upload", "clipboard"];
export let root: string;
export let i18n: I18nFormatter;
let upload: Upload;
function handle_upload({ detail }: CustomEvent<FileData>): void {
value = normalise_file(detail, root, null);
}
$: value && !value.url && (value = normalise_file(value, root, null));
let dragging = false;
const sources_meta = {
upload: {
icon: UploadIcon,
label: i18n("Upload"),
order: 0
},
clipboard: {
icon: ImagePaste,
label: i18n("Paste"),
order: 1
}
};
$: sources_list = sources.sort(
(a, b) => sources_meta[a].order - sources_meta[b].order
);
async function handle_toolbar(
source: (typeof sources)[number]
): Promise<void> {
switch (source) {
case "clipboard":
navigator.clipboard.read().then(async (items) => {
for (let i = 0; i < items.length; i++) {
const type = items[i].types.find((t) => t.startsWith("image/"));
if (type) {
items[i].getType(type).then(async (blob) => {
const f = await upload.load_files([
new File([blob], `clipboard.${type.replace("image/", "")}`)
]);
f;
value = f?.[0] || null;
});
break;
}
}
});
break;
case "upload":
upload.open_file_upload();
break;
default:
break;
}
}
</script>
<BlockLabel {show_label} Icon={Image} label={label || "Image"} />
<div data-testid="image" class="image-container">
{#if value?.url}
<ClearImage on:remove_image={() => (value = null)} />
{/if}
<div class="upload-container">
<Upload
hidden={value !== null}
bind:this={upload}
bind:dragging
filetype="image/*"
on:load={handle_upload}
on:error
{root}
disable_click={!sources.includes("upload")}
>
{#if value === null}
<slot />
{/if}
</Upload>
{#if value !== null}
<!-- svelte-ignore a11y-click-events-have-key-events-->
<!-- svelte-ignore a11y-no-noninteractive-element-interactions-->
<SveltePannellum div_id="pannellum-uploader-{value.orig_name}" panorama={value.url} height={height}/>
{/if}
</div>
{#if sources.length > 1 || sources.includes("clipboard")}
<Toolbar show_border={!value?.url}>
{#each sources_list as source}
<IconButton
on:click={() => handle_toolbar(source)}
Icon={sources_meta[source].icon}
size="large"
padded={false}
/>
{/each}
</Toolbar>
{/if}
</div>
<style>
.upload-container {
height: 100%;
flex-shrink: 1;
max-height: 100%;
width: 100%;
}
.image-container {
display: flex;
height: 100%;
flex-direction: column;
justify-content: center;
align-items: center;
max-height: 100%;
}
</style>
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