1 files changed, 85 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/mui/input/FormLabel.tsx b/packages/taler-wallet-webextension/src/mui/input/FormLabel.tsx
new file mode 100644
index 000000000..68fbdc38e
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+++ b/packages/taler-wallet-webextension/src/mui/input/FormLabel.tsx
@@ -0,0 +1,85 @@
+/*
+ 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/>
+ */
+import { css } from "@linaria/core";
+import { ComponentChildren, h, VNode } from "preact";
+// eslint-disable-next-line import/extensions
+import { Colors, theme } from "../style.js";
+import { useFormControl } from "./FormControl.js";
+
+export interface Props {
+  class?: string;
+  disabled?: boolean;
+  error?: string;
+  filled?: boolean;
+  focused?: boolean;
+  required?: boolean;
+  color?: Colors;
+  children?: ComponentChildren;
+}
+
+const root = css`
+  color: ${theme.palette.text.secondary};
+  line-height: 1.4375em;
+  padding: 0px;
+  position: relative;
+  &[data-focused] {
+    color: var(--color-main);
+  }
+  &[data-disabled] {
+    color: ${theme.palette.text.disabled};
+  }
+  &[data-error] {
+    color: ${theme.palette.error.main};
+  }
+`;
+
+export function FormLabel({
+  disabled,
+  error,
+  filled,
+  focused,
+  required,
+  color,
+  class: _class,
+  children,
+  ...rest
+}: Props): VNode {
+  const fcs = useFormControl({
+    disabled,
+    error,
+    filled,
+    focused,
+    required,
+    color,
+  });
+  return (
+    <label
+      data-focused={!fcs.focused ? undefined : true}
+      data-error={!fcs.error ? undefined : true}
+      data-disabled={!fcs.disabled ? undefined : true}
+      class={[_class, root, theme.typography.body1].join(" ")}
+      {...rest}
+      style={{
+        "--color-main": theme.palette[fcs.color].main,
+      }}
+    >
+      {children}
+      {fcs.required && (
+        <span data-error={!fcs.error ? undefined : true}>&thinsp;{"*"}</span>
+      )}
+    </label>
+  );
+}