657 lines
22 KiB
JavaScript
657 lines
22 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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import type SyntheticKeyboardEvent from 'react/lib/SyntheticKeyboardEvent';
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import marked from '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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import classNames from 'classnames';
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import MatrixClientPeg from '../../../MatrixClientPeg';
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import type {MatrixClient} from 'matrix-js-sdk/lib/matrix';
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import SlashCommands from '../../../SlashCommands';
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import Modal from '../../../Modal';
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import sdk from '../../../index';
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import dis from '../../../dispatcher';
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import KeyCode from '../../../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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const KEY_M = 77;
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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: string): string {
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let 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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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 === KEY_M && 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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client: MatrixClient;
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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.setEditorState = this.setEditorState.bind(this);
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this.onUpArrow = this.onUpArrow.bind(this);
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this.onDownArrow = this.onDownArrow.bind(this);
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this.onTab = this.onTab.bind(this);
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this.onConfirmAutocompletion = this.onConfirmAutocompletion.bind(this);
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let isRichtextEnabled = window.localStorage.getItem('mx_editor_rte_enabled');
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if (isRichtextEnabled == null) {
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isRichtextEnabled = 'true';
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}
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isRichtextEnabled = isRichtextEnabled === 'true';
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this.state = {
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isRichtextEnabled: isRichtextEnabled,
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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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/**
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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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let editorState = null;
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if (contentState) {
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editorState = EditorState.createWithContent(contentState, compositeDecorator);
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} else {
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editorState = EditorState.createEmpty(compositeDecorator);
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}
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return EditorState.moveFocusToEnd(editorState);
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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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"mx_messagecomposer_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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"mx_messagecomposer_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("mx_messagecomposer_input_" + this.roomId, contentJSON);
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},
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setLastTextEntry: function() {
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let contentJSON = window.sessionStorage.getItem("mx_messagecomposer_input_" + this.roomId);
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if (contentJSON) {
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let content = convertFromRaw(JSON.parse(contentJSON));
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component.setEditorState(component.createEditorState(component.state.isRichtextEnabled, content));
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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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let 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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setEditorState(editorState: EditorState) {
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editorState = RichText.attachImmutableEntitiesToEmoji(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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if (this.props.onContentChanged) {
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const textContent = editorState.getCurrentContent().getPlainText();
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const selection = RichText.selectionStateToTextOffsets(editorState.getSelection(),
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editorState.getCurrentContent().getBlocksAsArray());
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const selectionInfo = this.getSelectionInfo(editorState);
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this.props.onContentChanged(textContent, selection, selectionInfo);
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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.setEditorState(this.createEditorState(enabled, RichText.HTMLtoContentState(html)));
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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.setEditorState(this.createEditorState(enabled, contentState));
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}
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window.localStorage.setItem('mx_editor_rte_enabled', enabled);
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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.setEditorState(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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}
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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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}
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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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onUpArrow(e) {
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if (this.props.onUpArrow && this.props.onUpArrow()) {
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e.preventDefault();
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}
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}
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onDownArrow(e) {
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if (this.props.onDownArrow && this.props.onDownArrow()) {
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e.preventDefault();
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}
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}
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onTab(e) {
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if (this.props.tryComplete) {
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if (this.props.tryComplete()) {
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e.preventDefault();
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}
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}
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}
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onConfirmAutocompletion(range, content: string) {
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let contentState = Modifier.replaceText(
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this.state.editorState.getCurrentContent(),
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RichText.textOffsetsToSelectionState(range, this.state.editorState.getCurrentContent().getBlocksAsArray()),
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content
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);
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let editorState = EditorState.push(this.state.editorState, contentState, 'insert-characters');
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editorState = EditorState.forceSelection(editorState, contentState.getSelectionAfter());
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this.setEditorState(editorState);
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// for some reason, doing this right away does not update the editor :(
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setTimeout(() => this.refs.editor.focus(), 50);
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}
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onFormatButtonClicked(name: "bold" | "italic" | "strike" | "quote" | "bullet" | "numbullet", e) {
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const style = {
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bold: 'BOLD',
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italic: 'ITALIC',
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|
strike: 'STRIKETHROUGH',
|
|
}[name];
|
|
|
|
if (style) {
|
|
e.preventDefault();
|
|
this.setEditorState(RichUtils.toggleInlineStyle(this.state.editorState, style));
|
|
} else {
|
|
const blockType = {
|
|
quote: 'blockquote',
|
|
bullet: 'unordered-list-item',
|
|
numbullet: 'ordered-list-item',
|
|
}[name];
|
|
|
|
if (blockType) {
|
|
e.preventDefault();
|
|
this.setEditorState(RichUtils.toggleBlockType(this.state.editorState, blockType));
|
|
} else {
|
|
console.error(`Unknown formatting style "${name}", ignoring.`);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* returns inline style and block type of current SelectionState so MessageComposer can render formatting
|
|
buttons. */
|
|
getSelectionInfo(editorState: EditorState) {
|
|
const styleName = {
|
|
BOLD: 'bold',
|
|
ITALIC: 'italic',
|
|
STRIKETHROUGH: 'strike',
|
|
};
|
|
|
|
const originalStyle = editorState.getCurrentInlineStyle().toArray();
|
|
const style = originalStyle
|
|
.map(style => styleName[style] || null)
|
|
.filter(styleName => !!styleName);
|
|
|
|
const blockName = {
|
|
blockquote: 'quote',
|
|
'unordered-list-item': 'bullet',
|
|
'ordered-list-item': 'numbullet',
|
|
};
|
|
const originalBlockType = editorState.getCurrentContent()
|
|
.getBlockForKey(editorState.getSelection().getStartKey())
|
|
.getType();
|
|
const blockType = blockName[originalBlockType] || null;
|
|
|
|
return {
|
|
style,
|
|
blockType,
|
|
};
|
|
}
|
|
|
|
render() {
|
|
const {editorState} = this.state;
|
|
|
|
// From https://github.com/facebook/draft-js/blob/master/examples/rich/rich.html#L92
|
|
// If the user changes block type before entering any text, we can
|
|
// either style the placeholder or hide it.
|
|
let hidePlaceholder = false;
|
|
const contentState = editorState.getCurrentContent();
|
|
if (!contentState.hasText()) {
|
|
if (contentState.getBlockMap().first().getType() !== 'unstyled') {
|
|
hidePlaceholder = true;
|
|
}
|
|
}
|
|
|
|
const className = classNames('mx_MessageComposer_input', {
|
|
mx_MessageComposer_input_empty: hidePlaceholder,
|
|
});
|
|
|
|
return (
|
|
<div className={className}
|
|
onClick={ this.onInputClick }>
|
|
<Editor ref="editor"
|
|
placeholder="Type a message…"
|
|
editorState={this.state.editorState}
|
|
onChange={this.setEditorState}
|
|
keyBindingFn={MessageComposerInput.getKeyBinding}
|
|
handleKeyCommand={this.handleKeyCommand}
|
|
handleReturn={this.handleReturn}
|
|
stripPastedStyles={!this.state.isRichtextEnabled}
|
|
onTab={this.onTab}
|
|
onUpArrow={this.onUpArrow}
|
|
onDownArrow={this.onDownArrow}
|
|
spellCheck={true} />
|
|
</div>
|
|
);
|
|
}
|
|
};
|
|
|
|
MessageComposerInput.propTypes = {
|
|
tabComplete: React.PropTypes.any,
|
|
|
|
// a callback which is called when the height of the composer is
|
|
// changed due to a change in content.
|
|
onResize: React.PropTypes.func,
|
|
|
|
// js-sdk Room object
|
|
room: React.PropTypes.object.isRequired,
|
|
|
|
// called with current plaintext content (as a string) whenever it changes
|
|
onContentChanged: React.PropTypes.func,
|
|
|
|
onUpArrow: React.PropTypes.func,
|
|
|
|
onDownArrow: React.PropTypes.func,
|
|
|
|
// attempts to confirm currently selected completion, returns whether actually confirmed
|
|
tryComplete: React.PropTypes.func,
|
|
};
|