From f87f22df725adcec85189b1bface21730dcbd10e Mon Sep 17 00:00:00 2001
From: Aarni Halinen <aarni.halinen@gmail.com>
Date: Thu, 23 Jul 2020 20:58:12 +0300
Subject: [PATCH] Custom RadioButton

---
 src/components/Checkbox/Checkbox.tsx          | 16 ++--
 src/components/RadioButton/RadioButton.tsx    | 69 +++++++++++++++++
 .../RadioButton/RadioButtonWidget.tsx         | 74 +++++++++++++++++++
 src/views/SignUpPage/SignUpPageView.tsx       |  3 +-
 4 files changed, 153 insertions(+), 9 deletions(-)
 create mode 100644 src/components/RadioButton/RadioButton.tsx
 create mode 100644 src/components/RadioButton/RadioButtonWidget.tsx

diff --git a/src/components/Checkbox/Checkbox.tsx b/src/components/Checkbox/Checkbox.tsx
index 9d5378c..451e962 100644
--- a/src/components/Checkbox/Checkbox.tsx
+++ b/src/components/Checkbox/Checkbox.tsx
@@ -10,13 +10,13 @@ const Container = styled.label`
   user-select: none;
 
   /* On mouse-over, add a grey background color */
-  &:hover input ~ .custombox {
+  &:hover input ~ .custom-cbox {
     background-color: #d4d0c7; /* grey1 */
   }
 `;
 
 /* Hide the browser's default checkbox */
-const DefaultBox = styled.input`
+const HiddenDefaultElement = styled.input`
   position: absolute;
   opacity: 0;
   height: 0;
@@ -24,14 +24,14 @@ const DefaultBox = styled.input`
 `;
 
 /* Create a custom checkbox */
-const CustomBox = styled.span<{checked?: boolean}>`
+const CustomCBoxElement = styled.span<{checked?: boolean}>`
   border-radius: 4px;
   position: absolute;
   top: 0;
   left: 0;
   height: 1em;
   width: 1em;
-  background-color: ${(props) => props.checked ? "#002d3a" : "#efece4"}; /* dark-blue or grey2 */
+  background-color: ${(props) => props.checked ? "#57b2df" : "#efece4"}; /* blue1 or grey2 */
 
   &:focus &:before {
     transition: box-shadow 150ms ease;
@@ -47,7 +47,7 @@ const CustomBox = styled.span<{checked?: boolean}>`
   }
 `;
 
-const Checkmark = styled.span`
+const Checkmark = styled.div`
   position: absolute;
   left: 0.375em;
   top: calc(0.25em - 1px);
@@ -66,15 +66,15 @@ type CheckboxProps = Omit<
 const Checkbox: React.FC<CheckboxProps> = ({children, checked, ...props}) => (
   <Container>
     {children}
-    <DefaultBox
+    <HiddenDefaultElement
       type="checkbox"
       checked={checked}
       {...props}
       tabIndex={-1}
     />
-    <CustomBox tabIndex={0} checked={checked} className="custombox">
+    <CustomCBoxElement tabIndex={0} checked={checked} className="custom-cbox">
       {checked && (<Checkmark />)}
-    </CustomBox>
+    </CustomCBoxElement>
   </Container>
 )
 
diff --git a/src/components/RadioButton/RadioButton.tsx b/src/components/RadioButton/RadioButton.tsx
new file mode 100644
index 0000000..2f9bc27
--- /dev/null
+++ b/src/components/RadioButton/RadioButton.tsx
@@ -0,0 +1,69 @@
+import React from "react";
+import styled from "styled-components";
+
+const Container = styled.label`
+  display: block;
+  position: relative;
+  padding-left: 2rem;
+  cursor: pointer;
+  font-size: 1.5rem; /* 24px */
+  user-select: none;
+
+  /* On mouse-over, add a grey background color */
+  &:hover input ~ .custom-radio {
+    background-color: #d4d0c7; /* grey1 */
+  }
+`;
+
+const HiddenDefaultElement = styled.input`
+  position: absolute;
+  opacity: 0;
+  height: 0;
+  width: 0;
+`;
+
+const CustomRadioElement = styled.span<{checked?: boolean}>`
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 1em;
+  width: 1em;
+  background-color: ${(props) => props.checked ? "#57b2df" : "#efece4"}; /* blue1 or grey2 */
+  border-radius: 50%;
+`;
+
+const Indicator = styled.div`
+  position: absolute;
+  top: 0.25em;
+  left: 0.25em;
+  width: 0.5em;
+  height: 0.5em;
+  border-radius: 50%;
+  background: white;
+`;
+
+type RadioButtonProps = Omit<
+  React.InputHTMLAttributes<HTMLInputElement>,
+  "type"
+>;
+
+const RadioButton: React.FC<RadioButtonProps> = ({
+  checked,
+  children,
+  ...props
+}) => (
+  <Container>
+    {children}
+    <HiddenDefaultElement
+      type="radio"
+      checked={checked}
+      {...props}
+      tabIndex={-1}
+    />
+    <CustomRadioElement tabIndex={0} checked={checked} className="custom-radio">
+      {checked && (<Indicator />)}
+    </CustomRadioElement>
+  </Container>
+);
+
+export default RadioButton;
diff --git a/src/components/RadioButton/RadioButtonWidget.tsx b/src/components/RadioButton/RadioButtonWidget.tsx
new file mode 100644
index 0000000..920059e
--- /dev/null
+++ b/src/components/RadioButton/RadioButtonWidget.tsx
@@ -0,0 +1,74 @@
+import React from "react";
+import styled from "styled-components";
+import { WidgetProps } from "react-jsonschema-form";
+import RadioButton from "./RadioButton";
+
+type RadioButtonWidgetProps = Omit<WidgetProps, "options"> & {
+  options: any;
+};
+
+const RadioButtonContainer = styled.div`
+  margin-bottom: 0.5rem;
+`;
+
+const RadioButtonWidget: React.FC<RadioButtonWidgetProps> = (props) => {
+  const {
+    options,
+    value,
+    required,
+    disabled,
+    readonly,
+    autofocus,
+    onBlur,
+    onFocus,
+    onChange,
+    id,
+  } = props;
+  // Generating a unique field name to identify this set of radio buttons
+  const name = Math.random().toString();
+  const { enumOptions, enumDisabled, inline } = options;
+  // checked={checked} has been moved above name={name}, As mentioned in #349;
+  // this is a temporary fix for radio button rendering bug in React, facebook/react#7630.
+  return (
+    <div className="field-radio-group" id={id}>
+      {enumOptions.map((option, i) => {
+        const checked = option.value === value;
+        const itemDisabled =
+          enumDisabled && enumDisabled.indexOf(option.value) != -1;
+        const disabledCls =
+          disabled || itemDisabled || readonly ? "disabled" : "";
+        const radio = (
+          <RadioButton
+            checked={checked}
+            name={name}
+            required={required}
+            value={option.value}
+            disabled={disabled || itemDisabled || readonly}
+            autoFocus={autofocus && i === 0}
+            onChange={() => onChange(option.value)}
+            onBlur={onBlur && (event => onBlur(id, event.target.value))}
+            onFocus={onFocus && (event => onFocus(id, event.target.value))}
+          >
+            {option.label}
+          </RadioButton>
+        );
+
+        return inline ? (
+          <label key={i} className={`radio-inline ${disabledCls}`}>
+            {radio}
+          </label>
+        ) : (
+          <RadioButtonContainer key={i} className={disabledCls}>
+            {radio}
+          </RadioButtonContainer>
+        );
+      })}
+    </div>
+  );
+}
+
+RadioButtonWidget.defaultProps = {
+  autofocus: false,
+};
+
+export default RadioButtonWidget;
\ No newline at end of file
diff --git a/src/views/SignUpPage/SignUpPageView.tsx b/src/views/SignUpPage/SignUpPageView.tsx
index 991eaa2..62d208a 100644
--- a/src/views/SignUpPage/SignUpPageView.tsx
+++ b/src/views/SignUpPage/SignUpPageView.tsx
@@ -7,9 +7,10 @@ import { buildSchema, buildUISchema } from "./FormUtils";
 import AsideSection from "@components/AsideSection";
 import MainSection from "@components/MainSection";
 import Checkboxes from "@components/Checkbox/Checkboxes";
+import RadioButtonWidget from "@components/RadioButton/RadioButtonWidget";
 
 const customWidgets = {
-  // "radio": Checkbox,
+  "radio": RadioButtonWidget,
   "checkboxes": Checkboxes
 };