Merge pull request #1751 from matrix-org/luke/dnd-group-view-tag-panel

Implement GroupTile avatar dragging to TagPanel

src/actions/TagOrderActions.js

@@ -35,6 +35,7 @@ const TagOrderActions = {};
 TagOrderActions.moveTag = function(matrixClient, tag, destinationIx) {
     // Only commit tags if the state is ready, i.e. not null
     let tags = TagOrderStore.getOrderedTags();
+    let removedTags = TagOrderStore.getRemovedTagsAccountData();
     if (!tags) {
         return;
     }
@@ -42,17 +43,19 @@ TagOrderActions.moveTag = function(matrixClient, tag, destinationIx) {
     tags = tags.filter((t) => t !== tag);
     tags = [...tags.slice(0, destinationIx), tag, ...tags.slice(destinationIx)];
 
+    removedTags = removedTags.filter((t) => t !== tag);
+
     const storeId = TagOrderStore.getStoreId();
 
     return asyncAction('TagOrderActions.moveTag', () => {
         Analytics.trackEvent('TagOrderActions', 'commitTagOrdering');
         return matrixClient.setAccountData(
             'im.vector.web.tag_ordering',
-            {tags, _storeId: storeId},
+            {tags, removedTags, _storeId: storeId},
         );
     }, () => {
         // For an optimistic update
-        return {tags};
+        return {tags, removedTags};
     });
 };
 

src/components/structures/LoggedInView.js

@@ -19,6 +19,7 @@ limitations under the License.
 import * as Matrix from 'matrix-js-sdk';
 import React from 'react';
 import PropTypes from 'prop-types';
+import { DragDropContext } from 'react-beautiful-dnd';
 
 import { KeyCode, isOnlyCtrlOrCmdKeyEvent } from '../../Keyboard';
 import Notifier from '../../Notifier';
@@ -30,6 +31,9 @@ import sessionStore from '../../stores/SessionStore';
 import MatrixClientPeg from '../../MatrixClientPeg';
 import SettingsStore from "../../settings/SettingsStore";
 
+import TagOrderActions from '../../actions/TagOrderActions';
+import RoomListActions from '../../actions/RoomListActions';
+
 /**
  * This is what our MatrixChat shows when we are logged in. The precise view is
  * determined by the page_type property.
@@ -207,6 +211,50 @@ const LoggedInView = React.createClass({
         }
     },
 
+    _onDragEnd: function(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 TagPanel receives an
+            // optimistic update from TagOrderStore 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: function(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: function() {
         const LeftPanel = sdk.getComponent('structures.LeftPanel');
         const RightPanel = sdk.getComponent('structures.RightPanel');
@@ -328,16 +376,18 @@ const LoggedInView = React.createClass({
         return (
             <div className='mx_MatrixChat_wrapper'>
                 { topBar }
-                <div className={bodyClasses}>
-                    <LeftPanel
-                        collapsed={this.props.collapseLhs || false}
-                        disabled={this.props.leftDisabled}
-                    />
-                    <main className='mx_MatrixChat_middlePanel'>
-                        { page_element }
-                    </main>
-                    { right_panel }
-                </div>
+                <DragDropContext onDragEnd={this._onDragEnd}>
+                    <div className={bodyClasses}>
+                        <LeftPanel
+                            collapsed={this.props.collapseLhs || false}
+                            disabled={this.props.leftDisabled}
+                        />
+                        <main className='mx_MatrixChat_middlePanel'>
+                            { page_element }
+                        </main>
+                        { right_panel }
+                    </div>
+                </DragDropContext>
             </div>
         );
     },

src/components/structures/MyGroups.js

@@ -73,8 +73,10 @@ export default withMatrixClient(React.createClass({
             });
             contentHeader = groupNodes.length > 0 ? <h3>{ _t('Your Communities') }</h3> : <div />;
             content = groupNodes.length > 0 ?
-                <GeminiScrollbar className="mx_MyGroups_joinedGroups">
-                    { groupNodes }
+                <GeminiScrollbar>
+                    <div className="mx_MyGroups_joinedGroups">
+                        { groupNodes }
+                    </div>
                 </GeminiScrollbar> :
                 <div className="mx_MyGroups_placeholder">
                     { _t(

src/components/views/groups/GroupTile.js

@@ -17,10 +17,12 @@ limitations under the License.
 import React from 'react';
 import PropTypes from 'prop-types';
 import {MatrixClient} from 'matrix-js-sdk';
+import { Draggable, Droppable } from 'react-beautiful-dnd';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
 import FlairStore from '../../../stores/FlairStore';
 
+
 const GroupTile = React.createClass({
     displayName: 'GroupTile',
 
@@ -78,9 +80,39 @@ const GroupTile = React.createClass({
             profile.avatarUrl, avatarHeight, avatarHeight, "crop",
         ) : null;
         return <AccessibleButton className="mx_GroupTile" onClick={this.onClick}>
-            <div className="mx_GroupTile_avatar">
-                <BaseAvatar name={name} url={httpUrl} width={avatarHeight} height={avatarHeight} />
-            </div>
+            <Droppable droppableId="my-groups-droppable" type="draggable-TagTile">
+                { (droppableProvided, droppableSnapshot) => (
+                    <div ref={droppableProvided.innerRef}>
+                        <Draggable
+                            key={"GroupTile " + this.props.groupId}
+                            draggableId={"GroupTile " + this.props.groupId}
+                            index={this.props.groupId}
+                            type="draggable-TagTile"
+                        >
+                            { (provided, snapshot) => (
+                                <div>
+                                    <div
+                                        ref={provided.innerRef}
+                                        {...provided.draggableProps}
+                                        {...provided.dragHandleProps}
+                                    >
+                                        <div className="mx_GroupTile_avatar">
+                                            <BaseAvatar name={name} url={httpUrl} width={avatarHeight} height={avatarHeight} />
+                                        </div>
+                                    </div>
+                                    { /* Instead of a blank placeholder, use a copy of the avatar itself. */ }
+                                    { provided.placeholder ?
+                                        <div className="mx_GroupTile_avatar">
+                                            <BaseAvatar name={name} url={httpUrl} width={avatarHeight} height={avatarHeight} />
+                                        </div> :
+                                        <div />
+                                    }
+                                </div>
+                            ) }
+                        </Draggable>
+                    </div>
+                ) }
+            </Droppable>
             <div className="mx_GroupTile_profile">
                 <div className="mx_GroupTile_name">{ name }</div>
                 { descElement }

src/stores/TagOrderStore.js

@@ -89,6 +89,7 @@ class TagOrderStore extends Store {
                 // Optimistic update of a moved tag
                 this._setState({
                     orderedTags: payload.request.tags,
+                    removedTagsAccountData: payload.request.removedTags,
                 });
                 break;
             }