Create and use stylised checkboxes

src/components/views/elements/StyledCheckbox.tsx

@@ -0,0 +1,57 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import { randomString } from "matrix-js-sdk/src/randomstring";
+
+const CHECK_BOX_SVG = require("../../../../res/img/feather-customised/check.svg");
+
+interface IProps extends React.InputHTMLAttributes<HTMLInputElement> {
+}
+
+interface IState {
+}
+
+export default class StyledCheckbox extends React.PureComponent<IProps, IState> {
+
+    public static readonly defaultProps = {
+        className: "",
+    }
+
+    constructor(props: IProps) {
+        super(props);
+    }
+
+    public render() {
+        const { children, className, ...otherProps } = this.props;
+        // 56^10 so unlikely chance of collision.
+        const id = "checkbox_" + randomString(10);
+        return [
+            <span className={"mx_Checkbox " + className}>
+                <input id={id} {...otherProps} type="checkbox" />
+                <label htmlFor={id}>
+                    {/* Using the div to center the image */}
+                    <div className="mx_Checkbox_background">
+                        <img src={CHECK_BOX_SVG}/>
+                    </div>
+                    <div>
+                        { this.props.children }
+                    </div>
+                </label>
+            </span>
+        ]
+    }
+}