DnD Ordered TagPanel

package.json

@@ -77,6 +77,8 @@
     "querystring": "^0.2.0",
     "react": "^15.4.0",
     "react-addons-css-transition-group": "15.3.2",
+    "react-dnd": "^2.1.4",
+    "react-dnd-html5-backend": "^2.1.2",
     "react-dom": "^15.4.0",
     "react-gemini-scrollbar": "matrix-org/react-gemini-scrollbar#5e97aef",
     "sanitize-html": "^1.14.1",

src/MatrixClientPeg.js

@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd.
+Copyright 2017 New Vector Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,6 +23,7 @@ import EventTimeline from 'matrix-js-sdk/lib/models/event-timeline';
 import EventTimelineSet from 'matrix-js-sdk/lib/models/event-timeline-set';
 import createMatrixClient from './utils/createMatrixClient';
 import SettingsStore from './settings/SettingsStore';
+import MatrixActionCreators from './actions/MatrixActionCreators';
 
 interface MatrixClientCreds {
     homeserverUrl: string,
@@ -68,6 +70,8 @@ class MatrixClientPeg {
 
     unset() {
         this.matrixClient = null;
+
+        MatrixActionCreators.stop();
     }
 
     /**
@@ -108,6 +112,9 @@ class MatrixClientPeg {
         // regardless of errors, start the client. If we did error out, we'll
         // just end up doing a full initial /sync.
 
+        // Connect the matrix client to the dispatcher
+        MatrixActionCreators.start(this.matrixClient);
+
         console.log(`MatrixClientPeg: really starting MatrixClient`);
         this.get().startClient(opts);
         console.log(`MatrixClientPeg: MatrixClient started`);

src/actions/GroupActions.js

@@ -0,0 +1,33 @@
+/*
+Copyright 2017 New Vector Ltd
+
+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 { asyncAction } from './actionCreators';
+
+const GroupActions = {};
+
+/**
+ * Create a GroupActions.fetchJoinedGroups action that represents an
+ * asyncronous request to fetch the groups to which a user is joined.
+ *
+ * @param {MatrixClient} matrixClient the matrix client to query.
+ * @returns {function} an asyncronous action of type
+ *                   GroupActions.fetchJoinedGroups.
+ */
+GroupActions.fetchJoinedGroups = function(matrixClient) {
+    return asyncAction('GroupActions.fetchJoinedGroups', () => matrixClient.getJoinedGroups());
+};
+
+export default GroupActions;

src/actions/MatrixActionCreators.js

@@ -0,0 +1,108 @@
+/*
+Copyright 2017 New Vector Ltd
+
+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 dis from '../dispatcher';
+
+// TODO: migrate from sync_state to MatrixActions.sync so that more js-sdk events
+//       become dispatches in the same place.
+/**
+ * Create a MatrixActions.sync action that represents a MatrixClient `sync` event,
+ * each parameter mapping to a key-value in the action.
+ *
+ * @param {MatrixClient} matrixClient the matrix client
+ * @param {string} state the current sync state.
+ * @param {string} prevState the previous sync state.
+ * @returns {Object} an action of type MatrixActions.sync.
+ */
+function createSyncAction(matrixClient, state, prevState) {
+    return {
+        action: 'MatrixActions.sync',
+        state,
+        prevState,
+        matrixClient,
+    };
+}
+
+/**
+ * @typedef AccountDataAction
+ * @type {Object}
+ * @property {string} action 'MatrixActions.accountData'.
+ * @property {MatrixEvent} event the MatrixEvent that triggered the dispatch.
+ * @property {string} event_type the type of the MatrixEvent, e.g. "m.direct".
+ * @property {Object} event_content the content of the MatrixEvent.
+ */
+
+/**
+ * Create a MatrixActions.accountData action that represents a MatrixClient `accountData`
+ * matrix event.
+ *
+ * @param {MatrixClient} matrixClient the matrix client.
+ * @param {MatrixEvent} accountDataEvent the account data event.
+ * @returns {AccountDataAction} an action of type MatrixActions.accountData.
+ */
+function createAccountDataAction(matrixClient, accountDataEvent) {
+    return {
+        action: 'MatrixActions.accountData',
+        event: accountDataEvent,
+        event_type: accountDataEvent.getType(),
+        event_content: accountDataEvent.getContent(),
+    };
+}
+
+/**
+ * This object is responsible for dispatching actions when certain events are emitted by
+ * the given MatrixClient.
+ */
+export default {
+    // A list of callbacks to call to unregister all listeners added
+    _matrixClientListenersStop: [],
+
+    /**
+     * Start listening to certain events from the MatrixClient and dispatch actions when
+     * they are emitted.
+     * @param {MatrixClient} matrixClient the MatrixClient to listen to events from
+     */
+    start(matrixClient) {
+        this._addMatrixClientListener(matrixClient, 'sync', createSyncAction);
+        this._addMatrixClientListener(matrixClient, 'accountData', createAccountDataAction);
+    },
+
+    /**
+     * Start listening to events of type eventName on matrixClient and when they are emitted,
+     * dispatch an action created by the actionCreator function.
+     * @param {MatrixClient} matrixClient a MatrixClient to register a listener with.
+     * @param {string} eventName the event to listen to on MatrixClient.
+     * @param {function} actionCreator a function that should return an action to dispatch
+     *                                 when given the MatrixClient as an argument as well as
+     *                                 arguments emitted in the MatrixClient event.
+     */
+    _addMatrixClientListener(matrixClient, eventName, actionCreator) {
+        const listener = (...args) => {
+            dis.dispatch(actionCreator(matrixClient, ...args));
+        };
+        matrixClient.on(eventName, listener);
+        this._matrixClientListenersStop.push(() => {
+            matrixClient.removeListener(eventName, listener);
+        });
+    },
+
+    /**
+     * Stop listening to events.
+     */
+    stop() {
+        this._matrixClientListenersStop.forEach((stopListener) => stopListener());
+    },
+};

src/actions/TagOrderActions.js

@@ -0,0 +1,46 @@
+/*
+Copyright 2017 New Vector Ltd
+
+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 Analytics from '../Analytics';
+import { asyncAction } from './actionCreators';
+import TagOrderStore from '../stores/TagOrderStore';
+
+const TagOrderActions = {};
+
+/**
+ * Create a TagOrderActions.commitTagOrdering action that represents an
+ * asyncronous request to commit TagOrderStore.getOrderedTags() to account
+ * data.
+ *
+ * @param {MatrixClient} matrixClient the matrix client to set the account
+ *                                    data on.
+ * @returns {function} an asyncronous action of type
+ *                   TagOrderActions.commitTagOrdering.
+ */
+TagOrderActions.commitTagOrdering = function(matrixClient) {
+    return asyncAction('TagOrderActions.commitTagOrdering', () => {
+        // Only commit tags if the state is ready, i.e. not null
+        const tags = TagOrderStore.getOrderedTags();
+        if (!tags) {
+            return;
+        }
+
+        Analytics.trackEvent('TagOrderActions', 'commitTagOrdering');
+        return matrixClient.setAccountData('im.vector.web.tag_ordering', {tags});
+    });
+};
+
+export default TagOrderActions;

src/actions/actionCreators.js

@@ -0,0 +1,36 @@
+/*
+Copyright 2017 New Vector Ltd
+
+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.
+*/
+
+/**
+ * Create an asynchronous action creator that will dispatch actions indicating
+ * the current status of the promise returned by fn.
+ * @param {string} id the id to give the dispatched actions. This is given a
+ *                    suffix determining whether it is pending, successful or
+ *                    a failure.
+ * @param {function} fn a function that returns a Promise.
+ * @returns {function} an asyncronous action creator - a function that uses its
+ *                     single argument as a dispatch function.
+ */
+export function asyncAction(id, fn) {
+    return (dispatch) => {
+        dispatch({action: id + '.pending'});
+        fn().then((result) => {
+            dispatch({action: id + '.success', result});
+        }).catch((err) => {
+            dispatch({action: id + '.failure', err});
+        });
+    };
+}

src/components/structures/LoggedInView.js

@@ -18,6 +18,8 @@ limitations under the License.
 
 import * as Matrix from 'matrix-js-sdk';
 import React from 'react';
+import { DragDropContext } from 'react-dnd';
+import HTML5Backend from 'react-dnd-html5-backend';
 
 import { KeyCode, isOnlyCtrlOrCmdKeyEvent } from '../../Keyboard';
 import Notifier from '../../Notifier';
@@ -38,7 +40,7 @@ import SettingsStore from "../../settings/SettingsStore";
  *
  * Components mounted below us can access the matrix client via the react context.
  */
-export default React.createClass({
+const LoggedInView = React.createClass({
     displayName: 'LoggedInView',
 
     propTypes: {
@@ -344,3 +346,5 @@ export default React.createClass({
         );
     },
 });
+
+export default DragDropContext(HTML5Backend)(LoggedInView);

src/components/structures/MatrixChat.js

@@ -84,7 +84,7 @@ const ONBOARDING_FLOW_STARTERS = [
     'view_create_group',
 ];
 
-module.exports = React.createClass({
+export default React.createClass({
     // we export this so that the integration tests can use it :-S
     statics: {
         VIEWS: VIEWS,