mirror of
https://github.com/element-hq/element-web.git
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384 lines
14 KiB
JavaScript
384 lines
14 KiB
JavaScript
/*
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Copyright 2019 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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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 PropTypes from 'prop-types';
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import dis from '../../../dispatcher';
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import EditorModel from '../../../editor/model';
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import {
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htmlSerializeIfNeeded,
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textSerialize,
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containsEmote,
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stripEmoteCommand,
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unescapeMessage,
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} from '../../../editor/serialize';
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import {CommandPartCreator} from '../../../editor/parts';
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import BasicMessageComposer from "./BasicMessageComposer";
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import ReplyPreview from "./ReplyPreview";
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import RoomViewStore from '../../../stores/RoomViewStore';
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import ReplyThread from "../elements/ReplyThread";
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import {parseEvent} from '../../../editor/deserialize';
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import {findEditableEvent} from '../../../utils/EventUtils';
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import SendHistoryManager from "../../../SendHistoryManager";
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import {processCommandInput} from '../../../SlashCommands';
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import sdk from '../../../index';
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import Modal from '../../../Modal';
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import {_t, _td} from '../../../languageHandler';
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import ContentMessages from '../../../ContentMessages';
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import {Key} from "../../../Keyboard";
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import MatrixClientContext from "../../../contexts/MatrixClientContext";
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function addReplyToMessageContent(content, repliedToEvent, permalinkCreator) {
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const replyContent = ReplyThread.makeReplyMixIn(repliedToEvent);
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Object.assign(content, replyContent);
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// Part of Replies fallback support - prepend the text we're sending
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// with the text we're replying to
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const nestedReply = ReplyThread.getNestedReplyText(repliedToEvent, permalinkCreator);
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if (nestedReply) {
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if (content.formatted_body) {
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content.formatted_body = nestedReply.html + content.formatted_body;
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}
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content.body = nestedReply.body + content.body;
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}
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}
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function createMessageContent(model, permalinkCreator) {
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const isEmote = containsEmote(model);
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if (isEmote) {
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model = stripEmoteCommand(model);
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}
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model = unescapeMessage(model);
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const repliedToEvent = RoomViewStore.getQuotingEvent();
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const body = textSerialize(model);
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const content = {
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msgtype: isEmote ? "m.emote" : "m.text",
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body: body,
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};
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const formattedBody = htmlSerializeIfNeeded(model, {forceHTML: !!repliedToEvent});
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if (formattedBody) {
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content.format = "org.matrix.custom.html";
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content.formatted_body = formattedBody;
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}
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if (repliedToEvent) {
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addReplyToMessageContent(content, repliedToEvent, permalinkCreator);
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}
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return content;
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}
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export default class SendMessageComposer extends React.Component {
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static propTypes = {
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room: PropTypes.object.isRequired,
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placeholder: PropTypes.string,
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permalinkCreator: PropTypes.object.isRequired,
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};
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static contextType = MatrixClientContext;
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constructor(props) {
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super(props);
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this.model = null;
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this._editorRef = null;
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this.currentlyComposedEditorState = null;
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}
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_setEditorRef = ref => {
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this._editorRef = ref;
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};
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_onKeyDown = (event) => {
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// ignore any keypress while doing IME compositions
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if (this._editorRef.isComposing(event)) {
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return;
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}
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const hasModifier = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
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if (event.key === Key.ENTER && !hasModifier) {
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this._sendMessage();
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event.preventDefault();
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} else if (event.key === Key.ARROW_UP) {
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this.onVerticalArrow(event, true);
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} else if (event.key === Key.ARROW_DOWN) {
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this.onVerticalArrow(event, false);
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}
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}
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onVerticalArrow(e, up) {
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if (e.ctrlKey || e.shiftKey || e.metaKey) return;
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const shouldSelectHistory = e.altKey;
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const shouldEditLastMessage = !e.altKey && up && !RoomViewStore.getQuotingEvent();
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if (shouldSelectHistory) {
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// Try select composer history
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const selected = this.selectSendHistory(up);
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if (selected) {
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// We're selecting history, so prevent the key event from doing anything else
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e.preventDefault();
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}
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} else if (shouldEditLastMessage) {
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// selection must be collapsed and caret at start
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if (this._editorRef.isSelectionCollapsed() && this._editorRef.isCaretAtStart()) {
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const editEvent = findEditableEvent(this.props.room, false);
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if (editEvent) {
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// We're selecting history, so prevent the key event from doing anything else
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e.preventDefault();
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dis.dispatch({
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action: 'edit_event',
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event: editEvent,
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});
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}
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}
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}
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}
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// we keep sent messages/commands in a separate history (separate from undo history)
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// so you can alt+up/down in them
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selectSendHistory(up) {
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const delta = up ? -1 : 1;
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// True if we are not currently selecting history, but composing a message
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if (this.sendHistoryManager.currentIndex === this.sendHistoryManager.history.length) {
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// We can't go any further - there isn't any more history, so nop.
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if (!up) {
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return;
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}
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this.currentlyComposedEditorState = this.model.serializeParts();
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} else if (this.sendHistoryManager.currentIndex + delta === this.sendHistoryManager.history.length) {
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// True when we return to the message being composed currently
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this.model.reset(this.currentlyComposedEditorState);
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this.sendHistoryManager.currentIndex = this.sendHistoryManager.history.length;
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return;
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}
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const serializedParts = this.sendHistoryManager.getItem(delta);
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if (serializedParts) {
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this.model.reset(serializedParts);
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this._editorRef.focus();
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}
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}
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_isSlashCommand() {
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const parts = this.model.parts;
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const firstPart = parts[0];
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if (firstPart) {
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if (firstPart.type === "command") {
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return true;
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}
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// be extra resilient when somehow the AutocompleteWrapperModel or
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// CommandPartCreator fails to insert a command part, so we don't send
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// a command as a message
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if (firstPart.text.startsWith("/") && (firstPart.type === "plain" || firstPart.type === "pill-candidate")) {
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return true;
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}
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}
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return false;
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}
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async _runSlashCommand() {
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const commandText = this.model.parts.reduce((text, part) => {
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// use mxid to textify user pills in a command
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if (part.type === "user-pill") {
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return text + part.resourceId;
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}
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return text + part.text;
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}, "");
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const cmd = processCommandInput(this.props.room.roomId, commandText);
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if (cmd) {
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let error = cmd.error;
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if (cmd.promise) {
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try {
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await cmd.promise;
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} catch (err) {
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error = err;
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}
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}
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if (error) {
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console.error("Command failure: %s", error);
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const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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// assume the error is a server error when the command is async
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const isServerError = !!cmd.promise;
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const title = isServerError ? _td("Server error") : _td("Command error");
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let errText;
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if (typeof error === 'string') {
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errText = error;
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} else if (error.message) {
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errText = error.message;
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} else {
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errText = _t("Server unavailable, overloaded, or something else went wrong.");
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}
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Modal.createTrackedDialog(title, '', ErrorDialog, {
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title: _t(title),
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description: errText,
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});
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} else {
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console.log("Command success.");
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}
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}
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}
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_sendMessage() {
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if (this.model.isEmpty) {
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return;
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}
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if (!containsEmote(this.model) && this._isSlashCommand()) {
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this._runSlashCommand();
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} else {
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const isReply = !!RoomViewStore.getQuotingEvent();
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const {roomId} = this.props.room;
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const content = createMessageContent(this.model, this.props.permalinkCreator);
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this.context.sendMessage(roomId, content);
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if (isReply) {
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// Clear reply_to_event as we put the message into the queue
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// if the send fails, retry will handle resending.
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dis.dispatch({
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action: 'reply_to_event',
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event: null,
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});
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}
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}
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this.sendHistoryManager.save(this.model);
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// clear composer
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this.model.reset([]);
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this._editorRef.clearUndoHistory();
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this._editorRef.focus();
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this._clearStoredEditorState();
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}
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componentDidMount() {
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this._editorRef.getEditableRootNode().addEventListener("paste", this._onPaste, true);
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}
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componentWillUnmount() {
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dis.unregister(this.dispatcherRef);
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this._editorRef.getEditableRootNode().removeEventListener("paste", this._onPaste, true);
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}
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componentWillMount() {
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const partCreator = new CommandPartCreator(this.props.room, this.context);
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const parts = this._restoreStoredEditorState(partCreator) || [];
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this.model = new EditorModel(parts, partCreator);
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this.dispatcherRef = dis.register(this.onAction);
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this.sendHistoryManager = new SendHistoryManager(this.props.room.roomId, 'mx_cider_composer_history_');
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}
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get _editorStateKey() {
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return `cider_editor_state_${this.props.room.roomId}`;
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}
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_clearStoredEditorState() {
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localStorage.removeItem(this._editorStateKey);
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}
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_restoreStoredEditorState(partCreator) {
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const json = localStorage.getItem(this._editorStateKey);
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if (json) {
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const serializedParts = JSON.parse(json);
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const parts = serializedParts.map(p => partCreator.deserializePart(p));
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return parts;
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}
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}
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_saveStoredEditorState = () => {
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if (this.model.isEmpty) {
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this._clearStoredEditorState();
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} else {
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localStorage.setItem(this._editorStateKey, JSON.stringify(this.model.serializeParts()));
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}
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}
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onAction = (payload) => {
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switch (payload.action) {
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case 'reply_to_event':
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case 'focus_composer':
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this._editorRef && this._editorRef.focus();
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break;
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case 'insert_mention':
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this._insertMention(payload.user_id);
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break;
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case 'quote':
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this._insertQuotedMessage(payload.event);
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break;
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}
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};
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_insertMention(userId) {
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const {model} = this;
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const {partCreator} = model;
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const member = this.props.room.getMember(userId);
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const displayName = member ?
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member.rawDisplayName : userId;
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const caret = this._editorRef.getCaret();
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const position = model.positionForOffset(caret.offset, caret.atNodeEnd);
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const insertIndex = position.index + 1;
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const parts = partCreator.createMentionParts(insertIndex, displayName, userId);
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model.transform(() => {
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const addedLen = model.insert(parts, position);
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return model.positionForOffset(caret.offset + addedLen, true);
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});
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// refocus on composer, as we just clicked "Mention"
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this._editorRef && this._editorRef.focus();
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}
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_insertQuotedMessage(event) {
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const {model} = this;
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const {partCreator} = model;
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const quoteParts = parseEvent(event, partCreator, { isQuotedMessage: true });
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// add two newlines
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quoteParts.push(partCreator.newline());
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quoteParts.push(partCreator.newline());
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model.transform(() => {
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const addedLen = model.insert(quoteParts, model.positionForOffset(0));
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return model.positionForOffset(addedLen, true);
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});
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// refocus on composer, as we just clicked "Quote"
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this._editorRef && this._editorRef.focus();
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}
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_onPaste = (event) => {
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const {clipboardData} = event;
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if (clipboardData.files.length) {
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// This actually not so much for 'files' as such (at time of writing
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// neither chrome nor firefox let you paste a plain file copied
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// from Finder) but more images copied from a different website
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// / word processor etc.
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ContentMessages.sharedInstance().sendContentListToRoom(
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Array.from(clipboardData.files), this.props.room.roomId, this.context,
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);
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}
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}
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render() {
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return (
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<div className="mx_SendMessageComposer" onClick={this.focusComposer} onKeyDown={this._onKeyDown}>
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<div className="mx_SendMessageComposer_overlayWrapper">
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<ReplyPreview permalinkCreator={this.props.permalinkCreator} />
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</div>
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<BasicMessageComposer
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ref={this._setEditorRef}
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model={this.model}
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room={this.props.room}
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label={this.props.placeholder}
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placeholder={this.props.placeholder}
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onChange={this._saveStoredEditorState}
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/>
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</div>
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);
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}
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}
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