1 files changed, 81 insertions, 0 deletions
diff --git a/packages/anastasis-webui/src/components/fields/FileInput.tsx b/packages/anastasis-webui/src/components/fields/FileInput.tsx
new file mode 100644
index 000000000..8b144ea43
--- /dev/null
+++ b/packages/anastasis-webui/src/components/fields/FileInput.tsx
@@ -0,0 +1,81 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 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 { h, VNode } from "preact";
+import { useLayoutEffect, useRef, useState } from "preact/hooks";
+import { TextInputProps } from "./TextInput";
+
+const MAX_IMAGE_UPLOAD_SIZE = 1024 * 1024
+
+export function FileInput(props: TextInputProps): VNode {
+  const inputRef = useRef<HTMLInputElement>(null);
+  useLayoutEffect(() => {
+    if (props.grabFocus) {
+      inputRef.current?.focus();
+    }
+  }, [props.grabFocus]);
+
+  const value = props.bind[0];
+  // const [dirty, setDirty] = useState(false)
+  const image = useRef<HTMLInputElement>(null)
+  const [sizeError, setSizeError] = useState(false)
+  function onChange(v: string): void {
+    // setDirty(true);
+    props.bind[1](v);
+  }
+  return <div class="field">
+    <label class="label">
+      <a onClick={() => image.current?.click()}>
+        {props.label}
+      </a>
+      {props.tooltip && <span class="icon has-tooltip-right" data-tooltip={props.tooltip}>
+        <i class="mdi mdi-information" />
+      </span>}
+    </label>
+    <div class="control">
+      <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 onChange("")
+          }
+          if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) {
+            setSizeError(true)
+            return onChange("")
+          }
+          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)
+          })
+        }} />
+      {props.error && <p class="help is-danger">{props.error}</p>}
+      {sizeError && <p class="help is-danger">
+        File should be smaller than 1 MB
+      </p>}
+    </div>
+  </div>
+}
+