512 lines
17 KiB
JavaScript
512 lines
17 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from 'react';
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var marked = require("marked");
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marked.setOptions({
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renderer: new marked.Renderer(),
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gfm: true,
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tables: true,
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breaks: true,
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pedantic: false,
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sanitize: true,
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smartLists: true,
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smartypants: false
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});
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import {Editor, EditorState, RichUtils, CompositeDecorator,
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convertFromRaw, convertToRaw, Modifier, EditorChangeType,
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getDefaultKeyBinding, KeyBindingUtil, ContentState} from 'draft-js';
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import {stateToMarkdown} from 'draft-js-export-markdown';
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var MatrixClientPeg = require("../../../MatrixClientPeg");
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var SlashCommands = require("../../../SlashCommands");
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var Modal = require("../../../Modal");
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var MemberEntry = require("../../../TabCompleteEntries").MemberEntry;
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var sdk = require('../../../index');
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var dis = require("../../../dispatcher");
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var KeyCode = require("../../../KeyCode");
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import * as RichText from '../../../RichText';
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const TYPING_USER_TIMEOUT = 10000, TYPING_SERVER_TIMEOUT = 30000;
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// FIXME Breaks markdown with multiple paragraphs, since it only strips first and last <p>
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function mdownToHtml(mdown) {
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var html = marked(mdown) || "";
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html = html.trim();
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// strip start and end <p> tags else you get 'orrible spacing
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if (html.indexOf("<p>") === 0) {
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html = html.substring("<p>".length);
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}
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if (html.lastIndexOf("</p>") === (html.length - "</p>".length)) {
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html = html.substring(0, html.length - "</p>".length);
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}
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return html;
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}
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/*
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* The textInput part of the MessageComposer
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*/
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export default class MessageComposerInput extends React.Component {
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constructor(props, context) {
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super(props, context);
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this.onAction = this.onAction.bind(this);
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this.onInputClick = this.onInputClick.bind(this);
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this.handleReturn = this.handleReturn.bind(this);
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this.handleKeyCommand = this.handleKeyCommand.bind(this);
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this.onChange = this.onChange.bind(this);
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this.state = {
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isRichtextEnabled: false, // TODO enable by default when RTE is mature enough
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editorState: null
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};
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// bit of a hack, but we need to do this here since createEditorState needs isRichtextEnabled
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this.state.editorState = this.createEditorState();
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this.client = MatrixClientPeg.get();
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}
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static getKeyBinding(e: SyntheticKeyboardEvent): string {
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// C-m => Toggles between rich text and markdown modes
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if(e.keyCode == 77 && KeyBindingUtil.isCtrlKeyCommand(e)) {
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return 'toggle-mode';
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}
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return getDefaultKeyBinding(e);
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}
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/**
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* "Does the right thing" to create an EditorState, based on:
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* - whether we've got rich text mode enabled
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* - contentState was passed in
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*/
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createEditorState(richText: boolean, contentState: ?ContentState): EditorState {
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let decorators = richText ? RichText.getScopedRTDecorators(this.props) :
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RichText.getScopedMDDecorators(this.props),
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compositeDecorator = new CompositeDecorator(decorators);
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if (contentState) {
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return EditorState.createWithContent(contentState, compositeDecorator);
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} else {
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return EditorState.createEmpty(compositeDecorator);
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}
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}
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componentWillMount() {
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const component = this;
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this.sentHistory = {
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// The list of typed messages. Index 0 is more recent
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data: [],
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// The position in data currently displayed
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position: -1,
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// The room the history is for.
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roomId: null,
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// The original text before they hit UP
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originalText: null,
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// The textarea element to set text to.
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element: null,
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init: function(element, roomId) {
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this.roomId = roomId;
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this.element = element;
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this.position = -1;
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var storedData = window.sessionStorage.getItem(
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"history_" + roomId
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);
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if (storedData) {
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this.data = JSON.parse(storedData);
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}
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if (this.roomId) {
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this.setLastTextEntry();
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}
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},
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push: function(text) {
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// store a message in the sent history
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this.data.unshift(text);
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window.sessionStorage.setItem(
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"history_" + this.roomId,
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JSON.stringify(this.data)
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);
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// reset history position
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this.position = -1;
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this.originalText = null;
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},
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// move in the history. Returns true if we managed to move.
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next: function(offset) {
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if (this.position === -1) {
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// user is going into the history, save the current line.
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this.originalText = this.element.value;
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}
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else {
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// user may have modified this line in the history; remember it.
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this.data[this.position] = this.element.value;
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}
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if (offset > 0 && this.position === (this.data.length - 1)) {
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// we've run out of history
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return false;
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}
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// retrieve the next item (bounded).
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var newPosition = this.position + offset;
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newPosition = Math.max(-1, newPosition);
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newPosition = Math.min(newPosition, this.data.length - 1);
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this.position = newPosition;
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if (this.position !== -1) {
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// show the message
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this.element.value = this.data[this.position];
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}
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else if (this.originalText !== undefined) {
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// restore the original text the user was typing.
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this.element.value = this.originalText;
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}
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return true;
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},
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saveLastTextEntry: function() {
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// save the currently entered text in order to restore it later.
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// NB: This isn't 'originalText' because we want to restore
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// sent history items too!
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let contentJSON = JSON.stringify(convertToRaw(component.state.editorState.getCurrentContent()));
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window.sessionStorage.setItem("input_" + this.roomId, contentJSON);
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},
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setLastTextEntry: function() {
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let contentJSON = window.sessionStorage.getItem("input_" + this.roomId);
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if (contentJSON) {
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let content = convertFromRaw(JSON.parse(contentJSON));
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component.setState({
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editorState: component.createEditorState(this.state.isRichtextEnabled, content)
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});
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}
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}
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};
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}
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componentDidMount() {
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this.dispatcherRef = dis.register(this.onAction);
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this.sentHistory.init(
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this.refs.editor,
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this.props.room.roomId
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);
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// this is disabled for now, since https://github.com/matrix-org/matrix-react-sdk/pull/296 will land soon
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// if (this.props.tabComplete) {
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// this.props.tabComplete.setEditor(this.refs.editor);
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// }
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}
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componentWillUnmount() {
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dis.unregister(this.dispatcherRef);
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this.sentHistory.saveLastTextEntry();
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}
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onAction(payload) {
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var editor = this.refs.editor;
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switch (payload.action) {
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case 'focus_composer':
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editor.focus();
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break;
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// TODO change this so we insert a complete user alias
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case 'insert_displayname':
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if (this.state.editorState.getCurrentContent().hasText()) {
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console.log(payload);
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let contentState = Modifier.replaceText(
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this.state.editorState.getCurrentContent(),
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this.state.editorState.getSelection(),
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payload.displayname
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);
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this.setState({
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editorState: EditorState.push(this.state.editorState, contentState, 'insert-characters')
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});
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editor.focus();
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}
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break;
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}
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}
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onKeyDown(ev) {
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if (ev.keyCode === KeyCode.UP || ev.keyCode === KeyCode.DOWN) {
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var oldSelectionStart = this.refs.textarea.selectionStart;
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// Remember the keyCode because React will recycle the synthetic event
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var keyCode = ev.keyCode;
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// set a callback so we can see if the cursor position changes as
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// a result of this event. If it doesn't, we cycle history.
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setTimeout(() => {
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if (this.refs.textarea.selectionStart == oldSelectionStart) {
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this.sentHistory.next(keyCode === KeyCode.UP ? 1 : -1);
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}
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}, 0);
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}
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}
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onTypingActivity() {
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this.isTyping = true;
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if (!this.userTypingTimer) {
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this.sendTyping(true);
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}
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this.startUserTypingTimer();
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this.startServerTypingTimer();
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}
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onFinishedTyping() {
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this.isTyping = false;
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this.sendTyping(false);
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this.stopUserTypingTimer();
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this.stopServerTypingTimer();
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}
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startUserTypingTimer() {
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this.stopUserTypingTimer();
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var self = this;
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this.userTypingTimer = setTimeout(function() {
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self.isTyping = false;
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self.sendTyping(self.isTyping);
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self.userTypingTimer = null;
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}, TYPING_USER_TIMEOUT);
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}
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stopUserTypingTimer() {
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if (this.userTypingTimer) {
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clearTimeout(this.userTypingTimer);
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this.userTypingTimer = null;
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}
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}
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startServerTypingTimer() {
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if (!this.serverTypingTimer) {
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var self = this;
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this.serverTypingTimer = setTimeout(function() {
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if (self.isTyping) {
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self.sendTyping(self.isTyping);
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self.startServerTypingTimer();
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}
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}, TYPING_SERVER_TIMEOUT / 2);
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}
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}
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stopServerTypingTimer() {
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if (this.serverTypingTimer) {
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clearTimeout(this.servrTypingTimer);
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this.serverTypingTimer = null;
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}
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}
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sendTyping(isTyping) {
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MatrixClientPeg.get().sendTyping(
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this.props.room.roomId,
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this.isTyping, TYPING_SERVER_TIMEOUT
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).done();
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}
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refreshTyping() {
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if (this.typingTimeout) {
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clearTimeout(this.typingTimeout);
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this.typingTimeout = null;
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}
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}
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onInputClick(ev) {
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this.refs.editor.focus();
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}
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onChange(editorState: EditorState) {
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this.setState({editorState});
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if(editorState.getCurrentContent().hasText()) {
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this.onTypingActivity()
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} else {
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this.onFinishedTyping();
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}
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}
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enableRichtext(enabled: boolean) {
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if (enabled) {
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let html = mdownToHtml(this.state.editorState.getCurrentContent().getPlainText());
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this.setState({
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editorState: this.createEditorState(enabled, RichText.HTMLtoContentState(html))
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});
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} else {
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let markdown = stateToMarkdown(this.state.editorState.getCurrentContent()),
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contentState = ContentState.createFromText(markdown);
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this.setState({
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editorState: this.createEditorState(enabled, contentState)
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});
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}
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this.setState({
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isRichtextEnabled: enabled
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});
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}
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handleKeyCommand(command: string): boolean {
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if(command === 'toggle-mode') {
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this.enableRichtext(!this.state.isRichtextEnabled);
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return true;
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}
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let newState: ?EditorState = null;
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// Draft handles rich text mode commands by default but we need to do it ourselves for Markdown.
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if(!this.state.isRichtextEnabled) {
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let contentState = this.state.editorState.getCurrentContent(),
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selection = this.state.editorState.getSelection();
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let modifyFn = {
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bold: text => `**${text}**`,
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italic: text => `*${text}*`,
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underline: text => `_${text}_`, // there's actually no valid underline in Markdown, but *shrug*
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code: text => `\`${text}\``
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}[command];
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if(modifyFn) {
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newState = EditorState.push(
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this.state.editorState,
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RichText.modifyText(contentState, selection, modifyFn),
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'insert-characters'
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);
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}
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}
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if(newState == null)
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newState = RichUtils.handleKeyCommand(this.state.editorState, command);
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if (newState != null) {
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this.onChange(newState);
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return true;
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}
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return false;
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}
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handleReturn(ev) {
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if(ev.shiftKey)
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return false;
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const contentState = this.state.editorState.getCurrentContent();
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if(!contentState.hasText())
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return true;
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let contentText = contentState.getPlainText(), contentHTML;
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var cmd = SlashCommands.processInput(this.props.room.roomId, contentText);
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if (cmd) {
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if (!cmd.error) {
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this.setState({
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editorState: this.createEditorState()
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});
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}
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if (cmd.promise) {
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cmd.promise.done(function() {
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console.log("Command success.");
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}, function(err) {
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console.error("Command failure: %s", err);
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createDialog(ErrorDialog, {
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title: "Server error",
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description: err.message
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});
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});
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}
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else if (cmd.error) {
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console.error(cmd.error);
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createDialog(ErrorDialog, {
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title: "Command error",
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description: cmd.error
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});
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}
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return true;
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}
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if(this.state.isRichtextEnabled) {
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contentHTML = RichText.contentStateToHTML(contentState);
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} else {
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contentHTML = mdownToHtml(contentText);
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}
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let sendFn = this.client.sendHtmlMessage;
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if (contentText.startsWith('/me')) {
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contentText = contentText.replace('/me', '');
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// bit of a hack, but the alternative would be quite complicated
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contentHTML = contentHTML.replace('/me', '');
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sendFn = this.client.sendHtmlEmote;
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}
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this.sentHistory.push(contentHTML);
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let sendMessagePromise = sendFn.call(this.client, this.props.room.roomId, contentText, contentHTML);
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sendMessagePromise.done(() => {
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dis.dispatch({
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action: 'message_sent'
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});
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}, () => {
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dis.dispatch({
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action: 'message_send_failed'
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});
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});
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this.setState({
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editorState: this.createEditorState()
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});
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return true;
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}
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render() {
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let className = "mx_MessageComposer_input";
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if(this.state.isRichtextEnabled) {
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className += " mx_MessageComposer_input_rte"; // placeholder indicator for RTE mode
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}
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return (
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<div className={className}
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onClick={ this.onInputClick }>
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<Editor ref="editor"
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placeholder="Type a message…"
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editorState={this.state.editorState}
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onChange={this.onChange}
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keyBindingFn={MessageComposerInput.getKeyBinding}
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handleKeyCommand={this.handleKeyCommand}
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handleReturn={this.handleReturn}
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stripPastedStyles={!this.state.isRichtextEnabled}
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spellCheck={true} />
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</div>
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);
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}
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};
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MessageComposerInput.propTypes = {
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tabComplete: React.PropTypes.any,
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// a callback which is called when the height of the composer is
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// changed due to a change in content.
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onResize: React.PropTypes.func,
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// js-sdk Room object
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room: React.PropTypes.object.isRequired
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};
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