From 3e060b80428943c6562250a6ff77eff10a0259b7 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Mon, 24 Oct 2022 10:46:14 +0200
Subject: repo: integrate packages from former merchant-backoffice.git

---
 .../src/components/fields/FileInput.tsx            | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 packages/demobank-ui/src/components/fields/FileInput.tsx

(limited to 'packages/demobank-ui/src/components/fields/FileInput.tsx')

diff --git a/packages/demobank-ui/src/components/fields/FileInput.tsx b/packages/demobank-ui/src/components/fields/FileInput.tsx
new file mode 100644
index 000000000..17413b907
--- /dev/null
+++ b/packages/demobank-ui/src/components/fields/FileInput.tsx
@@ -0,0 +1,104 @@
+/*
+ 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';
+
+const MAX_IMAGE_UPLOAD_SIZE = 1024 * 1024;
+
+export interface FileTypeContent {
+  content: string;
+  type: string;
+  name: string;
+}
+
+export interface FileInputProps {
+  label: string;
+  grabFocus?: boolean;
+  disabled?: boolean;
+  error?: string;
+  placeholder?: string;
+  tooltip?: string;
+  onChange: (v: FileTypeContent | undefined) => void;
+}
+
+export function FileInput(props: FileInputProps): VNode {
+  const inputRef = useRef<HTMLInputElement>(null);
+  useLayoutEffect(() => {
+    if (props.grabFocus) 
+      inputRef.current?.focus();
+    
+  }, [props.grabFocus]);
+
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const [sizeError, setSizeError] = useState(false);
+  return (
+    <div class="field">
+      <label class="label">
+        <a class="button" onClick={(e) => fileInputRef.current?.click()}>
+          <div class="icon is-small ">
+            <i class="mdi mdi-folder" />
+          </div>
+          <span>
+            {props.label}
+          </span>
+        </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={fileInputRef}
+          style={{ display: 'none' }}
+          type="file"
+          // name={String(name)}
+          onChange={(e) => {
+            const f: FileList | null = e.currentTarget.files;
+            if (!f || f.length != 1) 
+              return props.onChange(undefined);
+            
+            console.log(f)
+            if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) {
+              setSizeError(true);
+              return props.onChange(undefined);
+            }
+            setSizeError(false);
+            return f[0].arrayBuffer().then((b) => {
+              const b64 = btoa(
+                new Uint8Array(b).reduce(
+                  (data, byte) => data + String.fromCharCode(byte),
+                  '',
+                ),
+              );
+              return props.onChange({content: `data:${f[0].type};base64,${b64}`, name: f[0].name, type: f[0].type});
+            });
+          }}
+        />
+        {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>
+  );
+}
-- 
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