481 lines
18 KiB
JavaScript
481 lines
18 KiB
JavaScript
/*
|
|
Copyright 2019 New Vector Ltd
|
|
Copyright 2019 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import classNames from 'classnames';
|
|
import React from 'react';
|
|
import PropTypes from 'prop-types';
|
|
import EditorModel from '../../../editor/model';
|
|
import HistoryManager from '../../../editor/history';
|
|
import {setSelection} from '../../../editor/caret';
|
|
import {
|
|
formatRangeAsQuote,
|
|
formatRangeAsCode,
|
|
formatInline,
|
|
} from '../../../editor/operations';
|
|
import {getCaretOffsetAndText, getRangeForSelection} from '../../../editor/dom';
|
|
import Autocomplete from '../rooms/Autocomplete';
|
|
import {autoCompleteCreator} from '../../../editor/parts';
|
|
import {renderModel} from '../../../editor/render';
|
|
import {Room} from 'matrix-js-sdk';
|
|
import TypingStore from "../../../stores/TypingStore";
|
|
import EMOJIBASE from 'emojibase-data/en/compact.json';
|
|
import SettingsStore from "../../../settings/SettingsStore";
|
|
import EMOTICON_REGEX from 'emojibase-regex/emoticon';
|
|
import sdk from '../../../index';
|
|
|
|
const REGEX_EMOTICON_WHITESPACE = new RegExp('(?:^|\\s)(' + EMOTICON_REGEX.source + ')\\s$');
|
|
|
|
const IS_MAC = navigator.platform.indexOf("Mac") !== -1;
|
|
|
|
function cloneSelection(selection) {
|
|
return {
|
|
anchorNode: selection.anchorNode,
|
|
anchorOffset: selection.anchorOffset,
|
|
focusNode: selection.focusNode,
|
|
focusOffset: selection.focusOffset,
|
|
isCollapsed: selection.isCollapsed,
|
|
rangeCount: selection.rangeCount,
|
|
type: selection.type,
|
|
};
|
|
}
|
|
|
|
function selectionEquals(a: Selection, b: Selection): boolean {
|
|
return a.anchorNode === b.anchorNode &&
|
|
a.anchorOffset === b.anchorOffset &&
|
|
a.focusNode === b.focusNode &&
|
|
a.focusOffset === b.focusOffset &&
|
|
a.isCollapsed === b.isCollapsed &&
|
|
a.rangeCount === b.rangeCount &&
|
|
a.type === b.type;
|
|
}
|
|
|
|
export default class BasicMessageEditor extends React.Component {
|
|
static propTypes = {
|
|
onChange: PropTypes.func,
|
|
model: PropTypes.instanceOf(EditorModel).isRequired,
|
|
room: PropTypes.instanceOf(Room).isRequired,
|
|
placeholder: PropTypes.string,
|
|
label: PropTypes.string, // the aria label
|
|
initialCaret: PropTypes.object, // See DocumentPosition in editor/model.js
|
|
};
|
|
|
|
constructor(props, context) {
|
|
super(props, context);
|
|
this.state = {
|
|
autoComplete: null,
|
|
};
|
|
this._editorRef = null;
|
|
this._autocompleteRef = null;
|
|
this._formatBarRef = null;
|
|
this._modifiedFlag = false;
|
|
this._isIMEComposing = false;
|
|
this._hasTextSelected = false;
|
|
}
|
|
|
|
_replaceEmoticon = (caretPosition, inputType, diff) => {
|
|
const {model} = this.props;
|
|
const range = model.startRange(caretPosition);
|
|
// expand range max 8 characters backwards from caretPosition,
|
|
// as a space to look for an emoticon
|
|
let n = 8;
|
|
range.expandBackwardsWhile((index, offset) => {
|
|
const part = model.parts[index];
|
|
n -= 1;
|
|
return n >= 0 && (part.type === "plain" || part.type === "pill-candidate");
|
|
});
|
|
const emoticonMatch = REGEX_EMOTICON_WHITESPACE.exec(range.text);
|
|
if (emoticonMatch) {
|
|
const query = emoticonMatch[1].toLowerCase().replace("-", "");
|
|
const data = EMOJIBASE.find(e => e.emoticon ? e.emoticon.toLowerCase() === query : false);
|
|
if (data) {
|
|
const {partCreator} = model;
|
|
const hasPrecedingSpace = emoticonMatch[0][0] === " ";
|
|
// we need the range to only comprise of the emoticon
|
|
// because we'll replace the whole range with an emoji,
|
|
// so move the start forward to the start of the emoticon.
|
|
// Take + 1 because index is reported without the possible preceding space.
|
|
range.moveStart(emoticonMatch.index + (hasPrecedingSpace ? 1 : 0));
|
|
// this returns the amount of added/removed characters during the replace
|
|
// so the caret position can be adjusted.
|
|
return range.replace([partCreator.plain(data.unicode + " ")]);
|
|
}
|
|
}
|
|
}
|
|
|
|
_updateEditorState = (selection, inputType, diff) => {
|
|
renderModel(this._editorRef, this.props.model);
|
|
if (selection) { // set the caret/selection
|
|
try {
|
|
setSelection(this._editorRef, this.props.model, selection);
|
|
} catch (err) {
|
|
console.error(err);
|
|
}
|
|
}
|
|
if (this.props.placeholder) {
|
|
const {isEmpty} = this.props.model;
|
|
if (isEmpty) {
|
|
this._showPlaceholder();
|
|
} else {
|
|
this._hidePlaceholder();
|
|
}
|
|
}
|
|
this.setState({autoComplete: this.props.model.autoComplete});
|
|
this.historyManager.tryPush(this.props.model, selection, inputType, diff);
|
|
TypingStore.sharedInstance().setSelfTyping(this.props.room.roomId, !this.props.model.isEmpty);
|
|
|
|
if (this.props.onChange) {
|
|
this.props.onChange();
|
|
}
|
|
}
|
|
|
|
_showPlaceholder() {
|
|
this._editorRef.style.setProperty("--placeholder", `'${this.props.placeholder}'`);
|
|
this._editorRef.classList.add("mx_BasicMessageComposer_inputEmpty");
|
|
}
|
|
|
|
_hidePlaceholder() {
|
|
this._editorRef.classList.remove("mx_BasicMessageComposer_inputEmpty");
|
|
this._editorRef.style.removeProperty("--placeholder");
|
|
}
|
|
|
|
_onCompositionStart = (event) => {
|
|
this._isIMEComposing = true;
|
|
// even if the model is empty, the composition text shouldn't be mixed with the placeholder
|
|
this._hidePlaceholder();
|
|
}
|
|
|
|
_onCompositionEnd = (event) => {
|
|
this._isIMEComposing = false;
|
|
// some browsers (chromium) don't fire an input event after ending a composition
|
|
// so trigger a model update after the composition is done by calling the input handler
|
|
this._onInput({inputType: "insertCompositionText"});
|
|
}
|
|
|
|
_onInput = (event) => {
|
|
// ignore any input while doing IME compositions
|
|
if (this._isIMEComposing) {
|
|
return;
|
|
}
|
|
this._modifiedFlag = true;
|
|
const sel = document.getSelection();
|
|
const {caret, text} = getCaretOffsetAndText(this._editorRef, sel);
|
|
this._setLastCaret(caret, text, sel);
|
|
this.props.model.update(text, event.inputType, caret);
|
|
}
|
|
|
|
_insertText(textToInsert, inputType = "insertText") {
|
|
const sel = document.getSelection();
|
|
const {caret, text} = getCaretOffsetAndText(this._editorRef, sel);
|
|
const newText = text.substr(0, caret.offset) + textToInsert + text.substr(caret.offset);
|
|
caret.offset += textToInsert.length;
|
|
this.props.model.update(newText, inputType, caret);
|
|
this._modifiedFlag = true;
|
|
}
|
|
|
|
// this is used later to see if we need to recalculate the caret
|
|
// on selectionchange. If it is just a consequence of typing
|
|
// we don't need to. But if the user is navigating the caret without input
|
|
// we need to recalculate it, to be able to know where to insert content after
|
|
// losing focus
|
|
_setLastCaret(caret, text, selection) {
|
|
this._lastSelection = cloneSelection(selection);
|
|
this._lastCaret = caret;
|
|
this._lastTextLength = text.length;
|
|
}
|
|
|
|
_refreshLastCaretIfNeeded() {
|
|
// XXX: needed when going up and down in editing messages ... not sure why yet
|
|
// because the editors should stop doing this when when blurred ...
|
|
// maybe it's on focus and the _editorRef isn't available yet or something.
|
|
if (!this._editorRef) {
|
|
return;
|
|
}
|
|
const selection = document.getSelection();
|
|
if (!this._lastSelection || !selectionEquals(this._lastSelection, selection)) {
|
|
this._lastSelection = cloneSelection(selection);
|
|
const {caret, text} = getCaretOffsetAndText(this._editorRef, selection);
|
|
this._lastCaret = caret;
|
|
this._lastTextLength = text.length;
|
|
}
|
|
return this._lastCaret;
|
|
}
|
|
|
|
clearUndoHistory() {
|
|
this.historyManager.clear();
|
|
}
|
|
|
|
getCaret() {
|
|
return this._lastCaret;
|
|
}
|
|
|
|
isSelectionCollapsed() {
|
|
return !this._lastSelection || this._lastSelection.isCollapsed;
|
|
}
|
|
|
|
isCaretAtStart() {
|
|
return this.getCaret().offset === 0;
|
|
}
|
|
|
|
isCaretAtEnd() {
|
|
return this.getCaret().offset === this._lastTextLength;
|
|
}
|
|
|
|
_onBlur = () => {
|
|
document.removeEventListener("selectionchange", this._onSelectionChange);
|
|
}
|
|
|
|
_onFocus = () => {
|
|
document.addEventListener("selectionchange", this._onSelectionChange);
|
|
// force to recalculate
|
|
this._lastSelection = null;
|
|
this._refreshLastCaretIfNeeded();
|
|
}
|
|
|
|
_onSelectionChange = () => {
|
|
this._refreshLastCaretIfNeeded();
|
|
const selection = document.getSelection();
|
|
if (this._hasTextSelected && selection.isCollapsed) {
|
|
this._hasTextSelected = false;
|
|
if (this._formatBarRef) {
|
|
this._formatBarRef.hide();
|
|
}
|
|
} else if (!selection.isCollapsed) {
|
|
this._hasTextSelected = true;
|
|
if (this._formatBarRef) {
|
|
const selectionRect = selection.getRangeAt(0).getBoundingClientRect();
|
|
this._formatBarRef.showAt(selectionRect);
|
|
}
|
|
}
|
|
}
|
|
|
|
_onKeyDown = (event) => {
|
|
const model = this.props.model;
|
|
const modKey = IS_MAC ? event.metaKey : event.ctrlKey;
|
|
let handled = false;
|
|
// undo
|
|
if (modKey && event.key === "z") {
|
|
if (this.historyManager.canUndo()) {
|
|
const {parts, caret} = this.historyManager.undo(this.props.model);
|
|
// pass matching inputType so historyManager doesn't push echo
|
|
// when invoked from rerender callback.
|
|
model.reset(parts, caret, "historyUndo");
|
|
}
|
|
handled = true;
|
|
// redo
|
|
} else if (modKey && event.key === "y") {
|
|
if (this.historyManager.canRedo()) {
|
|
const {parts, caret} = this.historyManager.redo();
|
|
// pass matching inputType so historyManager doesn't push echo
|
|
// when invoked from rerender callback.
|
|
model.reset(parts, caret, "historyRedo");
|
|
}
|
|
handled = true;
|
|
// insert newline on Shift+Enter
|
|
} else if (event.key === "Enter" && (event.shiftKey || (IS_MAC && event.altKey))) {
|
|
this._insertText("\n");
|
|
handled = true;
|
|
// autocomplete or enter to send below shouldn't have any modifier keys pressed.
|
|
} else if (!(event.metaKey || event.altKey || event.shiftKey)) {
|
|
if (model.autoComplete && model.autoComplete.hasCompletions()) {
|
|
const autoComplete = model.autoComplete;
|
|
switch (event.key) {
|
|
case "ArrowUp":
|
|
autoComplete.onUpArrow(event);
|
|
handled = true;
|
|
break;
|
|
case "ArrowDown":
|
|
autoComplete.onDownArrow(event);
|
|
handled = true;
|
|
break;
|
|
case "Tab":
|
|
autoComplete.onTab(event);
|
|
handled = true;
|
|
break;
|
|
case "Escape":
|
|
autoComplete.onEscape(event);
|
|
handled = true;
|
|
break;
|
|
default:
|
|
return; // don't preventDefault on anything else
|
|
}
|
|
} else if (event.key === "Tab") {
|
|
this._tabCompleteName();
|
|
handled = true;
|
|
}
|
|
}
|
|
if (handled) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
}
|
|
}
|
|
|
|
async _tabCompleteName() {
|
|
try {
|
|
await new Promise(resolve => this.setState({showVisualBell: false}, resolve));
|
|
const {model} = this.props;
|
|
const caret = this.getCaret();
|
|
const position = model.positionForOffset(caret.offset, caret.atNodeEnd);
|
|
const range = model.startRange(position);
|
|
range.expandBackwardsWhile((index, offset, part) => {
|
|
return part.text[offset] !== " " && (
|
|
part.type === "plain" ||
|
|
part.type === "pill-candidate" ||
|
|
part.type === "command"
|
|
);
|
|
});
|
|
const {partCreator} = model;
|
|
// await for auto-complete to be open
|
|
await model.transform(() => {
|
|
const addedLen = range.replace([partCreator.pillCandidate(range.text)]);
|
|
return model.positionForOffset(caret.offset + addedLen, true);
|
|
});
|
|
await model.autoComplete.onTab();
|
|
if (!model.autoComplete.hasSelection()) {
|
|
this.setState({showVisualBell: true});
|
|
model.autoComplete.close();
|
|
}
|
|
} catch (err) {
|
|
console.error(err);
|
|
}
|
|
}
|
|
|
|
getEditableRootNode() {
|
|
return this._editorRef;
|
|
}
|
|
|
|
isModified() {
|
|
return this._modifiedFlag;
|
|
}
|
|
|
|
_onAutoCompleteConfirm = (completion) => {
|
|
this.props.model.autoComplete.onComponentConfirm(completion);
|
|
}
|
|
|
|
_onAutoCompleteSelectionChange = (completion) => {
|
|
this.props.model.autoComplete.onComponentSelectionChange(completion);
|
|
}
|
|
|
|
componentWillUnmount() {
|
|
this._editorRef.removeEventListener("input", this._onInput, true);
|
|
this._editorRef.removeEventListener("compositionstart", this._onCompositionStart, true);
|
|
this._editorRef.removeEventListener("compositionend", this._onCompositionEnd, true);
|
|
}
|
|
|
|
componentDidMount() {
|
|
const model = this.props.model;
|
|
model.setUpdateCallback(this._updateEditorState);
|
|
if (SettingsStore.getValue('MessageComposerInput.autoReplaceEmoji')) {
|
|
model.setTransformCallback(this._replaceEmoticon);
|
|
}
|
|
const partCreator = model.partCreator;
|
|
// TODO: does this allow us to get rid of EditorStateTransfer?
|
|
// not really, but we could not serialize the parts, and just change the autoCompleter
|
|
partCreator.setAutoCompleteCreator(autoCompleteCreator(
|
|
() => this._autocompleteRef,
|
|
query => new Promise(resolve => this.setState({query}, resolve)),
|
|
));
|
|
this.historyManager = new HistoryManager(partCreator);
|
|
// initial render of model
|
|
this._updateEditorState(this._getInitialCaretPosition());
|
|
// attach input listener by hand so React doesn't proxy the events,
|
|
// as the proxied event doesn't support inputType, which we need.
|
|
this._editorRef.addEventListener("input", this._onInput, true);
|
|
this._editorRef.addEventListener("compositionstart", this._onCompositionStart, true);
|
|
this._editorRef.addEventListener("compositionend", this._onCompositionEnd, true);
|
|
this._editorRef.focus();
|
|
}
|
|
|
|
_getInitialCaretPosition() {
|
|
let caretPosition;
|
|
if (this.props.initialCaret) {
|
|
// if restoring state from a previous editor,
|
|
// restore caret position from the state
|
|
const caret = this.props.initialCaret;
|
|
caretPosition = this.props.model.positionForOffset(caret.offset, caret.atNodeEnd);
|
|
} else {
|
|
// otherwise, set it at the end
|
|
caretPosition = this.props.model.getPositionAtEnd();
|
|
}
|
|
return caretPosition;
|
|
}
|
|
|
|
_onFormatAction = (action) => {
|
|
const range = getRangeForSelection(
|
|
this._editorRef,
|
|
this.props.model,
|
|
document.getSelection());
|
|
switch (action) {
|
|
case "bold":
|
|
formatInline(range, "**");
|
|
break;
|
|
case "italics":
|
|
formatInline(range, "*");
|
|
break;
|
|
case "strikethrough":
|
|
formatInline(range, "<del>", "</del>");
|
|
break;
|
|
case "code":
|
|
formatRangeAsCode(range);
|
|
break;
|
|
case "quote":
|
|
formatRangeAsQuote(range);
|
|
break;
|
|
}
|
|
}
|
|
|
|
render() {
|
|
let autoComplete;
|
|
if (this.state.autoComplete) {
|
|
const query = this.state.query;
|
|
const queryLen = query.length;
|
|
autoComplete = (<div className="mx_BasicMessageComposer_AutoCompleteWrapper">
|
|
<Autocomplete
|
|
ref={ref => this._autocompleteRef = ref}
|
|
query={query}
|
|
onConfirm={this._onAutoCompleteConfirm}
|
|
onSelectionChange={this._onAutoCompleteSelectionChange}
|
|
selection={{beginning: true, end: queryLen, start: queryLen}}
|
|
room={this.props.room}
|
|
/>
|
|
</div>);
|
|
}
|
|
const classes = classNames("mx_BasicMessageComposer", {
|
|
"mx_BasicMessageComposer_input_error": this.state.showVisualBell,
|
|
});
|
|
|
|
const MessageComposerFormatBar = sdk.getComponent('rooms.MessageComposerFormatBar');
|
|
|
|
return (<div className={classes}>
|
|
{ autoComplete }
|
|
<MessageComposerFormatBar ref={ref => this._formatBarRef = ref} onAction={this._onFormatAction} />
|
|
<div
|
|
className="mx_BasicMessageComposer_input"
|
|
contentEditable="true"
|
|
tabIndex="1"
|
|
onBlur={this._onBlur}
|
|
onFocus={this._onFocus}
|
|
onKeyDown={this._onKeyDown}
|
|
ref={ref => this._editorRef = ref}
|
|
aria-label={this.props.label}
|
|
></div>
|
|
</div>);
|
|
}
|
|
|
|
focus() {
|
|
this._editorRef.focus();
|
|
}
|
|
}
|