Allow reordering of the space panel via Drag and Drop

package.json

@@ -89,7 +89,7 @@
     "qrcode": "^1.4.4",
     "re-resizable": "^6.9.0",
     "react": "^17.0.2",
-    "react-beautiful-dnd": "^4.0.1",
+    "react-beautiful-dnd": "^13.1.0",
     "react-dom": "^17.0.2",
     "react-focus-lock": "^2.5.0",
     "react-transition-group": "^4.4.1",
@@ -133,6 +133,7 @@
     "@types/parse5": "^6.0.0",
     "@types/qrcode": "^1.3.5",
     "@types/react": "^16.9",
+    "@types/react-beautiful-dnd": "^13.0.0",
     "@types/react-dom": "^16.9.10",
     "@types/react-transition-group": "^4.4.0",
     "@types/sanitize-html": "^2.3.1",

res/css/structures/_SpacePanel.scss

@@ -31,7 +31,6 @@ $activeBorderColor: $secondary-fg-color;
     // Create another flexbox so the Panel fills the container
     display: flex;
     flex-direction: column;
-    overflow-y: auto;
 
     .mx_SpacePanel_spaceTreeWrapper {
         flex: 1;
@@ -69,6 +68,12 @@ $activeBorderColor: $secondary-fg-color;
         cursor: pointer;
     }
 
+    .mx_SpaceItem_dragging {
+        .mx_SpaceButton_toggleCollapse {
+            visibility: hidden;
+        }
+    }
+
     .mx_SpaceTreeLevel {
         display: flex;
         flex-direction: column;

res/css/views/context_menus/_TagTileContextMenu.scss

@@ -38,6 +38,15 @@ limitations under the License.
     mask-image: url('$(res)/img/element-icons/view-community.svg');
 }
 
+.mx_TagTileContextMenu_moveUp::before {
+    transform: rotate(180deg);
+    mask-image: url('$(res)/img/feather-customised/chevron-down.svg');
+}
+
+.mx_TagTileContextMenu_moveDown::before {
+    mask-image: url('$(res)/img/feather-customised/chevron-down.svg');
+}
+
 .mx_TagTileContextMenu_hideCommunity::before {
     mask-image: url('$(res)/img/element-icons/hide.svg');
 }

src/components/structures/AutoHideScrollbar.tsx

@@ -15,9 +15,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from "react";
+import React, { HTMLAttributes } from "react";
 
-interface IProps {
+interface IProps extends HTMLAttributes<HTMLDivElement> {
     className?: string;
     onScroll?: () => void;
     onWheel?: () => void;
@@ -52,14 +52,18 @@ export default class AutoHideScrollbar extends React.Component<IProps> {
     }
 
     public render() {
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { className, onScroll, onWheel, style, tabIndex, wrappedRef, children, ...otherProps } = this.props;
+
         return (<div
+            {...otherProps}
             ref={this.containerRef}
-            style={this.props.style}
-            className={["mx_AutoHideScrollbar", this.props.className].join(" ")}
-            onWheel={this.props.onWheel}
-            tabIndex={this.props.tabIndex}
+            style={style}
+            className={["mx_AutoHideScrollbar", className].join(" ")}
+            onWheel={onWheel}
+            tabIndex={tabIndex}
         >
-            { this.props.children }
+            { children }
         </div>);
     }
 }

src/components/structures/GroupFilterPanel.js

@@ -24,7 +24,6 @@ import * as sdk from '../../index';
 import dis from '../../dispatcher/dispatcher';
 import { _t } from '../../languageHandler';
 
-import { Droppable } from 'react-beautiful-dnd';
 import classNames from 'classnames';
 import MatrixClientContext from "../../contexts/MatrixClientContext";
 import AutoHideScrollbar from "./AutoHideScrollbar";
@@ -83,7 +82,7 @@ class GroupFilterPanel extends React.Component {
         }
     };
 
-    onMouseDown = e => {
+    onClick = e => {
         // only dispatch if its not a no-op
         if (this.state.selectedTags.length > 0) {
             dis.dispatch({action: 'deselect_tags'});
@@ -151,28 +150,15 @@ class GroupFilterPanel extends React.Component {
         return <div className={classes} onClick={this.onClearFilterClick}>
             <AutoHideScrollbar
                 className="mx_GroupFilterPanel_scroller"
-                // XXX: Use onMouseDown as a workaround for https://github.com/atlassian/react-beautiful-dnd/issues/273
-                // instead of onClick. Otherwise we experience https://github.com/vector-im/element-web/issues/6253
-                onMouseDown={this.onMouseDown}
+                onClick={this.onClick}
             >
-                <Droppable
-                    droppableId="tag-panel-droppable"
-                    type="draggable-TagTile"
-                >
-                    { (provided, snapshot) => (
-                        <div
-                            className="mx_GroupFilterPanel_tagTileContainer"
-                            ref={provided.innerRef}
-                        >
-                            { this.renderGlobalIcon() }
-                            { tags }
-                            <div>
-                                {createButton}
-                            </div>
-                            { provided.placeholder }
-                        </div>
-                    ) }
-                </Droppable>
+                <div className="mx_GroupFilterPanel_tagTileContainer">
+                    { this.renderGlobalIcon() }
+                    { tags }
+                    <div>
+                        { createButton }
+                    </div>
+                </div>
             </AutoHideScrollbar>
         </div>;
     }

src/components/structures/IndicatorScrollbar.js

@@ -185,21 +185,24 @@ export default class IndicatorScrollbar extends React.Component {
     };
 
     render() {
+        // eslint-disable-next-line no-unused-vars
+        const { children, trackHorizontalOverflow, verticalScrollsHorizontally, ...otherProps } = this.props;
+
         const leftIndicatorStyle = {left: this.state.leftIndicatorOffset};
         const rightIndicatorStyle = {right: this.state.rightIndicatorOffset};
-        const leftOverflowIndicator = this.props.trackHorizontalOverflow
+        const leftOverflowIndicator = trackHorizontalOverflow
             ? <div className="mx_IndicatorScrollbar_leftOverflowIndicator" style={leftIndicatorStyle} /> : null;
-        const rightOverflowIndicator = this.props.trackHorizontalOverflow
+        const rightOverflowIndicator = trackHorizontalOverflow
             ? <div className="mx_IndicatorScrollbar_rightOverflowIndicator" style={rightIndicatorStyle} /> : null;
 
         return (<AutoHideScrollbar
             ref={this._collectScrollerComponent}
             wrappedRef={this._collectScroller}
             onWheel={this.onMouseWheel}
-            {...this.props}
+            {...otherProps}
         >
             { leftOverflowIndicator }
-            { this.props.children }
+            { children }
             { rightOverflowIndicator }
         </AutoHideScrollbar>);
     }

src/components/structures/LoggedInView.tsx

@@ -19,7 +19,6 @@ limitations under the License.
 import * as React from 'react';
 import * as PropTypes from 'prop-types';
 import { MatrixClient } from 'matrix-js-sdk/src/client';
-import { DragDropContext } from 'react-beautiful-dnd';
 
 import {Key} from '../../Keyboard';
 import PageTypes from '../../PageTypes';
@@ -30,8 +29,6 @@ import dis from '../../dispatcher/dispatcher';
 import { IMatrixClientCreds } from '../../MatrixClientPeg';
 import SettingsStore from "../../settings/SettingsStore";
 
-import TagOrderActions from '../../actions/TagOrderActions';
-import RoomListActions from '../../actions/RoomListActions';
 import ResizeHandle from '../views/elements/ResizeHandle';
 import {Resizer, CollapseDistributor} from '../../resizer';
 import MatrixClientContext from "../../contexts/MatrixClientContext";
@@ -569,50 +566,6 @@ class LoggedInView extends React.Component<IProps, IState> {
         }
     };
 
-    _onDragEnd = (result) => {
-        // Dragged to an invalid destination, not onto a droppable
-        if (!result.destination) {
-            return;
-        }
-
-        const dest = result.destination.droppableId;
-
-        if (dest === 'tag-panel-droppable') {
-            // Could be "GroupTile +groupId:domain"
-            const draggableId = result.draggableId.split(' ').pop();
-
-            // Dispatch synchronously so that the GroupFilterPanel receives an
-            // optimistic update from GroupFilterOrderStore before the previous
-            // state is shown.
-            dis.dispatch(TagOrderActions.moveTag(
-                this._matrixClient,
-                draggableId,
-                result.destination.index,
-            ), true);
-        } else if (dest.startsWith('room-sub-list-droppable_')) {
-            this._onRoomTileEndDrag(result);
-        }
-    };
-
-    _onRoomTileEndDrag = (result) => {
-        let newTag = result.destination.droppableId.split('_')[1];
-        let prevTag = result.source.droppableId.split('_')[1];
-        if (newTag === 'undefined') newTag = undefined;
-        if (prevTag === 'undefined') prevTag = undefined;
-
-        const roomId = result.draggableId.split('_')[1];
-
-        const oldIndex = result.source.index;
-        const newIndex = result.destination.index;
-
-        dis.dispatch(RoomListActions.tagRoom(
-            this._matrixClient,
-            this._matrixClient.getRoom(roomId),
-            prevTag, newTag,
-            oldIndex, newIndex,
-        ), true);
-    };
-
     render() {
         const RoomView = sdk.getComponent('structures.RoomView');
         const UserView = sdk.getComponent('structures.UserView');
@@ -679,17 +632,15 @@ class LoggedInView extends React.Component<IProps, IState> {
                     aria-hidden={this.props.hideToSRUsers}
                 >
                     <ToastContainer />
-                    <DragDropContext onDragEnd={this._onDragEnd}>
-                        <div ref={this._resizeContainer} className={bodyClasses}>
-                            { SettingsStore.getValue("feature_spaces") ? <SpacePanel /> : null }
-                            <LeftPanel
-                                isMinimized={this.props.collapseLhs || false}
-                                resizeNotifier={this.props.resizeNotifier}
-                            />
-                            <ResizeHandle />
-                            { pageElement }
-                        </div>
-                    </DragDropContext>
+                    <div ref={this._resizeContainer} className={bodyClasses}>
+                        { SettingsStore.getValue("feature_spaces") ? <SpacePanel /> : null }
+                        <LeftPanel
+                            isMinimized={this.props.collapseLhs || false}
+                            resizeNotifier={this.props.resizeNotifier}
+                        />
+                        <ResizeHandle />
+                        { pageElement }
+                    </div>
                 </div>
                 <CallContainer />
                 <NonUrgentToastContainer />

src/components/structures/MyGroups.js

@@ -82,8 +82,7 @@ export default class MyGroups extends React.Component {
                         </p>
                         <p>
                             { _t(
-                                "To set up a filter, drag a community avatar over to the filter panel on " +
-                                "the far left hand side of the screen. You can click on an avatar in the " +
+                                "You can click on an avatar in the " +
                                 "filter panel at any time to see only the rooms and people associated " +
                                 "with that community.",
                             ) }

src/components/structures/SpaceRoomDirectory.tsx

@@ -14,34 +14,34 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {ReactNode, useMemo, useState} from "react";
-import {Room} from "matrix-js-sdk/src/models/room";
-import {MatrixClient} from "matrix-js-sdk/src/client";
-import {EventType, RoomType} from "matrix-js-sdk/src/@types/event";
+import React, { ReactNode, useMemo, useState } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { EventType, RoomType } from "matrix-js-sdk/src/@types/event";
 import classNames from "classnames";
-import {sortBy} from "lodash";
+import { sortBy } from "lodash";
 
-import {MatrixClientPeg} from "../../MatrixClientPeg";
+import { MatrixClientPeg } from "../../MatrixClientPeg";
 import dis from "../../dispatcher/dispatcher";
-import {_t} from "../../languageHandler";
-import AccessibleButton, {ButtonEvent} from "../views/elements/AccessibleButton";
+import { _t } from "../../languageHandler";
+import AccessibleButton, { ButtonEvent } from "../views/elements/AccessibleButton";
 import BaseDialog from "../views/dialogs/BaseDialog";
 import Spinner from "../views/elements/Spinner";
 import SearchBox from "./SearchBox";
 import RoomAvatar from "../views/avatars/RoomAvatar";
 import RoomName from "../views/elements/RoomName";
-import {useAsyncMemo} from "../../hooks/useAsyncMemo";
-import {EnhancedMap} from "../../utils/maps";
+import { useAsyncMemo } from "../../hooks/useAsyncMemo";
+import { EnhancedMap } from "../../utils/maps";
 import StyledCheckbox from "../views/elements/StyledCheckbox";
 import AutoHideScrollbar from "./AutoHideScrollbar";
 import BaseAvatar from "../views/avatars/BaseAvatar";
-import {mediaFromMxc} from "../../customisations/Media";
+import { mediaFromMxc } from "../../customisations/Media";
 import InfoTooltip from "../views/elements/InfoTooltip";
 import TextWithTooltip from "../views/elements/TextWithTooltip";
-import {useStateToggle} from "../../hooks/useStateToggle";
-import {getOrder} from "../../stores/SpaceStore";
+import { useStateToggle } from "../../hooks/useStateToggle";
+import { getChildOrder } from "../../stores/SpaceStore";
 import AccessibleTooltipButton from "../views/elements/AccessibleTooltipButton";
-import {linkifyElement} from "../../HtmlUtils";
+import { linkifyElement } from "../../HtmlUtils";
 
 interface IHierarchyProps {
     space: Room;
@@ -286,7 +286,7 @@ export const HierarchyLevel = ({
     const children = Array.from(relations.get(spaceId)?.values() || []);
     const sortedChildren = sortBy(children, ev => {
         // XXX: Space Summary API doesn't give the child origin_server_ts but once it does we should use it for sorting
-        return getOrder(ev.content.order, null, ev.state_key);
+        return getChildOrder(ev.content.order, null, ev.state_key);
     });
     const [subspaces, childRooms] = sortedChildren.reduce((result, ev: ISpaceSummaryEvent) => {
         const roomId = ev.state_key;