Beginning of space creation UX from space panel

src/components/views/spaces/SpaceBasicSettings.tsx

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+/*
+Copyright 2021 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, {useRef, useState} from "react";
+
+import {_t} from "../../../languageHandler";
+import AccessibleButton from "../elements/AccessibleButton";
+import Field from "../elements/Field";
+
+interface IProps {
+    avatarUrl?: string;
+    avatarDisabled?: boolean;
+    name?: string,
+    nameDisabled?: boolean;
+    topic?: string;
+    topicDisabled?: boolean;
+    setAvatar(avatar: File): void;
+    setName(name: string): void;
+    setTopic(topic: string): void;
+}
+
+const SpaceBasicSettings = ({
+    avatarUrl,
+    avatarDisabled = false,
+    setAvatar,
+    name = "",
+    nameDisabled = false,
+    setName,
+    topic = "",
+    topicDisabled = false,
+    setTopic,
+}: IProps) => {
+    const avatarUploadRef = useRef<HTMLInputElement>();
+    const [avatar, setAvatarDataUrl] = useState(avatarUrl); // avatar data url cache
+
+    let avatarSection;
+    if (avatarDisabled) {
+        if (avatar) {
+            avatarSection = <img className="mx_SpaceBasicSettings_avatar" src={avatar} alt="" />;
+        } else {
+            avatarSection = <div className="mx_SpaceBasicSettings_avatar" />;
+        }
+    } else {
+        if (avatar) {
+            avatarSection = <React.Fragment>
+                <AccessibleButton
+                    className="mx_SpaceBasicSettings_avatar"
+                    onClick={() => avatarUploadRef.current?.click()}
+                    element="img"
+                    src={avatar}
+                    alt=""
+                />
+                <AccessibleButton onClick={() => {
+                    avatarUploadRef.current.value = "";
+                    setAvatarDataUrl(undefined);
+                    setAvatar(undefined);
+                }} kind="link" className="mx_SpaceBasicSettings_avatar_remove">
+                    { _t("Delete") }
+                </AccessibleButton>
+            </React.Fragment>;
+        } else {
+            avatarSection = <React.Fragment>
+                <div className="mx_SpaceBasicSettings_avatar" onClick={() => avatarUploadRef.current?.click()} />
+                <AccessibleButton onClick={() => avatarUploadRef.current?.click()} kind="link">
+                    { _t("Upload") }
+                </AccessibleButton>
+            </React.Fragment>;
+        }
+    }
+
+    return <div className="mx_SpaceBasicSettings">
+        <div className="mx_SpaceBasicSettings_avatarContainer">
+            { avatarSection }
+            <input type="file" ref={avatarUploadRef} onChange={(e) => {
+                if (!e.target.files?.length) return;
+                const file = e.target.files[0];
+                setAvatar(file);
+                const reader = new FileReader();
+                reader.onload = (ev) => {
+                    setAvatarDataUrl(ev.target.result as string);
+                };
+                reader.readAsDataURL(file);
+            }} accept="image/*" />
+        </div>
+
+        <Field
+            name="spaceName"
+            label={_t("Name")}
+            autoFocus={true}
+            value={name}
+            onChange={ev => setName(ev.target.value)}
+            disabled={nameDisabled}
+        />
+
+        <Field
+            name="spaceTopic"
+            element="textarea"
+            label={_t("Description")}
+            value={topic}
+            onChange={ev => setTopic(ev.target.value)}
+            rows={3}
+            disabled={topicDisabled}
+        />
+    </div>;
+};
+
+export default SpaceBasicSettings;