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Diffstat (limited to 'packages/merchant-backoffice-ui/src/components/form/InputImage.tsx')
-rw-r--r-- | packages/merchant-backoffice-ui/src/components/form/InputImage.tsx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/packages/merchant-backoffice-ui/src/components/form/InputImage.tsx b/packages/merchant-backoffice-ui/src/components/form/InputImage.tsx new file mode 100644 index 000000000..d284b476f --- /dev/null +++ b/packages/merchant-backoffice-ui/src/components/form/InputImage.tsx @@ -0,0 +1,122 @@ +/* + 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> + ); +} |