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Diffstat (limited to 'packages/taler-wallet-webextension/src/mui/InputFile.tsx')
-rw-r--r-- | packages/taler-wallet-webextension/src/mui/InputFile.tsx | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/mui/InputFile.tsx b/packages/taler-wallet-webextension/src/mui/InputFile.tsx new file mode 100644 index 000000000..2b67dc99b --- /dev/null +++ b/packages/taler-wallet-webextension/src/mui/InputFile.tsx @@ -0,0 +1,78 @@ +/* + This file is part of GNU Taler + (C) 2022 Taler Systems S.A. + + GNU Taler is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +/** + * + * @author Sebastian Javier Marchano (sebasjm) + */ +import { ComponentChildren, h, VNode } from "preact"; +import { useRef, useState } from "preact/hooks"; +import { Button } from "./Button.js"; +// import { MAX_IMAGE_SIZE as MAX_IMAGE_UPLOAD_SIZE } from "../../utils/constants"; +// import { InputProps, useField } from "./useField"; + +const MAX_IMAGE_UPLOAD_SIZE = 1024 * 1024; + +interface Props { + children: ComponentChildren; + onChange: (v: string) => void; +} + +export function InputFile<T>({ onChange, children }: Props): VNode { + const image = useRef<HTMLInputElement>(null); + + const [sizeError, setSizeError] = useState(false); + + return ( + <div> + <p> + <Button + variant="contained" + onClick={async () => image.current?.click()} + > + {children} + </Button> + <input + ref={image} + style={{ display: "none" }} + type="file" + name={String(name)} + onChange={(e) => { + const f: FileList | null = e.currentTarget.files; + if (!f || f.length != 1) { + return; + } + if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) { + setSizeError(true); + return; + } + setSizeError(false); + return f[0].arrayBuffer().then((b) => { + const b64 = btoa( + new Uint8Array(b).reduce( + (data, byte) => data + String.fromCharCode(byte), + "", + ), + ); + return onChange(`data:${f[0].type};base64,${b64}` as any); + }); + }} + /> + </p> + {sizeError && <p>Image should be smaller than 1 MB</p>} + </div> + ); +} |