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+/*
+ This file is part of GNU Taler
+ (C) 2021-2024 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 { useTranslationContext } from "@gnu-taler/web-util/browser";
+import { ComponentChildren, h, VNode } from "preact";
+import { useRef, useState } from "preact/hooks";
+import { MAX_IMAGE_SIZE as MAX_IMAGE_UPLOAD_SIZE } from "../../utils/constants.js";
+import { InputProps, useField } from "./useField.js";
+
+export interface Props<T> extends InputProps<T> {
+ expand?: boolean;
+ addonAfter?: ComponentChildren;
+ children?: ComponentChildren;
+}
+
+export function InputImage<T>({
+ name,
+ readonly,
+ placeholder,
+ tooltip,
+ label,
+ help,
+ children,
+ expand,
+}: Props<keyof T>): VNode {
+ const { error, value, onChange } = useField<T>(name);
+
+ const image = useRef<HTMLInputElement>(null);
+ const { i18n } = useTranslationContext();
+ const [sizeError, setSizeError] = useState(false);
+
+ return (
+ <div class="field is-horizontal">
+ <div class="field-label is-normal">
+ <label class="label">
+ {label}
+ {tooltip && (
+ <span class="icon has-tooltip-right" data-tooltip={tooltip}>
+ <i class="mdi mdi-information" />
+ </span>
+ )}
+ </label>
+ </div>
+ <div class="field-body is-flex-grow-3">
+ <div class="field">
+ <p class={expand ? "control is-expanded" : "control"}>
+ {value && (
+ <img
+ src={value}
+ style={{ width: 200, height: 200 }}
+ onClick={() => image.current?.click()}
+ />
+ )}
+ <input
+ ref={image}
+ style={{ display: "none" }}
+ type="file"
+ name={String(name)}
+ placeholder={placeholder}
+ readonly={readonly}
+ onChange={(e) => {
+ const f: FileList | null = e.currentTarget.files;
+ if (!f || f.length != 1) {
+ return onChange(undefined!);
+ }
+ if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) {
+ setSizeError(true);
+ return onChange(undefined!);
+ }
+ setSizeError(false);
+ return f[0].arrayBuffer().then((b) => {
+ const b64 = window.btoa(
+ new Uint8Array(b).reduce(
+ (data, byte) => data + String.fromCharCode(byte),
+ "",
+ ),
+ );
+ return onChange(`data:${f[0].type};base64,${b64}` as any);
+ });
+ }}
+ />
+ {help}
+ {children}
+ </p>
+ {error && <p class="help is-danger">{error}</p>}
+ {sizeError && (
+ <p class="help is-danger">
+ <i18n.Translate>Image should be smaller than 1 MB</i18n.Translate>
+ </p>
+ )}
+ {!value && (
+ <button class="button" onClick={() => image.current?.click()}>
+ <i18n.Translate>Add</i18n.Translate>
+ </button>
+ )}
+ {value && (
+ <button class="button" onClick={() => onChange(undefined!)}>
+ <i18n.Translate>Remove</i18n.Translate>
+ </button>
+ )}
+ </div>
+ </div>
+ </div>
+ );
+}