matrix-react-sdk
Version:
SDK for matrix.org using React
319 lines (264 loc) • 35.5 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.generateCompletionDomId = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _react = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _lodash = require("lodash");
var _Autocompleter = _interopRequireWildcard(require("../../../autocomplete/Autocompleter"));
var _SettingsStore = _interopRequireDefault(require("../../../settings/SettingsStore"));
var _replaceableComponent = require("../../../utils/replaceableComponent");
var _dec, _class, _temp;
const COMPOSER_SELECTED = 0;
const MAX_PROVIDER_MATCHES = 20;
const generateCompletionDomId = number => `mx_Autocomplete_Completion_${number}`;
exports.generateCompletionDomId = generateCompletionDomId;
let Autocomplete = (_dec = (0, _replaceableComponent.replaceableComponent)("views.rooms.Autocomplete"), _dec(_class = (_temp = class Autocomplete extends _react.default.PureComponent
/*:: <IProps, IState>*/
{
constructor(props) {
super(props);
(0, _defineProperty2.default)(this, "autocompleter", void 0);
(0, _defineProperty2.default)(this, "queryRequested", void 0);
(0, _defineProperty2.default)(this, "debounceCompletionsRequest", void 0);
(0, _defineProperty2.default)(this, "containerRef", /*#__PURE__*/(0, _react.createRef)());
(0, _defineProperty2.default)(this, "hide", () => {
this.setState({
hide: true,
selectionOffset: 0,
completions: [],
completionList: []
});
});
(0, _defineProperty2.default)(this, "onCompletionClicked", (selectionOffset
/*: number*/
) =>
/*: boolean*/
{
if (this.countCompletions() === 0 || selectionOffset === COMPOSER_SELECTED) {
return false;
}
this.props.onConfirm(this.state.completionList[selectionOffset - 1]);
this.hide();
return true;
});
this.autocompleter = new _Autocompleter.default(props.room);
this.state = {
// list of completionResults, each containing completions
completions: [],
// array of completions, so we can look up current selection by offset quickly
completionList: [],
// how far down the completion list we are (THIS IS 1-INDEXED!)
selectionOffset: COMPOSER_SELECTED,
// whether we should show completions if they're available
shouldShowCompletions: true,
hide: false,
forceComplete: false
};
}
componentDidMount() {
this.applyNewProps();
}
applyNewProps(oldQuery
/*: string*/
, oldRoom
/*: Room*/
) {
if (oldRoom && this.props.room.roomId !== oldRoom.roomId) {
this.autocompleter.destroy();
this.autocompleter = new _Autocompleter.default(this.props.room);
} // Query hasn't changed so don't try to complete it
if (oldQuery === this.props.query) {
return;
}
this.complete(this.props.query, this.props.selection);
}
componentWillUnmount() {
this.autocompleter.destroy();
}
complete(query
/*: string*/
, selection
/*: ISelectionRange*/
) {
this.queryRequested = query;
if (this.debounceCompletionsRequest) {
clearTimeout(this.debounceCompletionsRequest);
}
if (query === "") {
this.setState({
// Clear displayed completions
completions: [],
completionList: [],
// Reset selected completion
selectionOffset: COMPOSER_SELECTED,
// Hide the autocomplete box
hide: true
});
return Promise.resolve(null);
}
let autocompleteDelay = _SettingsStore.default.getValue("autocompleteDelay"); // Don't debounce if we are already showing completions
if (this.state.completions.length > 0 || this.state.forceComplete) {
autocompleteDelay = 0;
}
return new Promise(resolve => {
this.debounceCompletionsRequest = setTimeout(() => {
resolve(this.processQuery(query, selection));
}, autocompleteDelay);
});
}
processQuery(query
/*: string*/
, selection
/*: ISelectionRange*/
) {
return this.autocompleter.getCompletions(query, selection, this.state.forceComplete, MAX_PROVIDER_MATCHES).then(completions => {
// Only ever process the completions for the most recent query being processed
if (query !== this.queryRequested) {
return;
}
this.processCompletions(completions);
});
}
processCompletions(completions
/*: IProviderCompletions[]*/
) {
const completionList = (0, _lodash.flatMap)(completions, provider => provider.completions); // Reset selection when completion list becomes empty.
let selectionOffset = COMPOSER_SELECTED;
if (completionList.length > 0) {
/* If the currently selected completion is still in the completion list,
try to find it and jump to it. If not, select composer.
*/
const currentSelection = this.state.selectionOffset === 0 ? null : this.state.completionList[this.state.selectionOffset - 1].completion;
selectionOffset = completionList.findIndex(completion => completion.completion === currentSelection);
if (selectionOffset === -1) {
selectionOffset = COMPOSER_SELECTED;
} else {
selectionOffset++; // selectionOffset is 1-indexed!
}
}
let hide = this.state.hide; // If `completion.command.command` is truthy, then a provider has matched with the query
const anyMatches = completions.some(completion => !!completion.command.command);
hide = !anyMatches;
this.setState({
completions,
completionList,
selectionOffset,
hide,
// Force complete is turned off each time since we can't edit the query in that case
forceComplete: false
});
}
hasSelection()
/*: boolean*/
{
return this.countCompletions() > 0 && this.state.selectionOffset !== 0;
}
countCompletions()
/*: number*/
{
return this.state.completionList.length;
} // called from MessageComposerInput
moveSelection(delta
/*: number*/
) {
const completionCount = this.countCompletions();
if (completionCount === 0) return; // there are no items to move the selection through
// Note: selectionOffset 0 represents the unsubstituted text, while 1 means first pill selected
const index = (this.state.selectionOffset + delta + completionCount + 1) % (completionCount + 1);
this.setSelection(index);
}
onEscape(e
/*: KeyboardEvent*/
)
/*: boolean*/
{
const completionCount = this.countCompletions();
if (completionCount === 0) {
// autocomplete is already empty, so don't preventDefault
return;
}
e.preventDefault(); // selectionOffset = 0, so we don't end up completing when autocomplete is hidden
this.hide();
}
forceComplete() {
return new Promise(resolve => {
this.setState({
forceComplete: true,
hide: false
}, () => {
this.complete(this.props.query, this.props.selection).then(() => {
resolve(this.countCompletions());
});
});
});
}
setSelection(selectionOffset
/*: number*/
) {
this.setState({
selectionOffset,
hide: false
});
if (this.props.onSelectionChange) {
this.props.onSelectionChange(this.state.completionList[selectionOffset - 1], selectionOffset - 1);
}
}
componentDidUpdate(prevProps
/*: IProps*/
) {
this.applyNewProps(prevProps.query, prevProps.room); // this is the selected completion, so scroll it into view if needed
const selectedCompletion = this.refs[`completion${this.state.selectionOffset}`];
if (selectedCompletion) {
selectedCompletion.scrollIntoView({
behavior: "auto",
block: "nearest"
});
} else if (this.containerRef.current) {
this.containerRef.current.scrollTo({
top: 0
});
}
}
render() {
let position = 1;
const renderedCompletions = this.state.completions.map((completionResult, i) => {
const completions = completionResult.completions.map((completion, j) => {
const selected = position === this.state.selectionOffset;
const className = (0, _classnames.default)('mx_Autocomplete_Completion', {
selected
});
const componentPosition = position;
position++;
const onClick = () => {
this.onCompletionClicked(componentPosition);
};
return /*#__PURE__*/_react.default.cloneElement(completion.component, {
"key": j,
"ref": `completion${componentPosition}`,
"id": generateCompletionDomId(componentPosition - 1),
// 0 index the completion IDs
className,
onClick,
"aria-selected": selected
});
});
return completions.length > 0 ? /*#__PURE__*/_react.default.createElement("div", {
key: i,
className: "mx_Autocomplete_ProviderSection"
}, /*#__PURE__*/_react.default.createElement("div", {
className: "mx_Autocomplete_provider_name"
}, completionResult.provider.getName()), completionResult.provider.renderCompletions(completions)) : null;
}).filter(completion => !!completion);
return !this.state.hide && renderedCompletions.length > 0 ? /*#__PURE__*/_react.default.createElement("div", {
className: "mx_Autocomplete",
ref: this.containerRef
}, renderedCompletions) : null;
}
}, _temp)) || _class);
exports.default = Autocomplete;
//# 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2016 Aviral Dasgupta\nCopyright 2017 New Vector Ltd\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n*/\n\nimport React, {createRef, KeyboardEvent} from 'react';\nimport classNames from 'classnames';\nimport {flatMap} from \"lodash\";\nimport {ICompletion, ISelectionRange, IProviderCompletions} from '../../../autocomplete/Autocompleter';\nimport {Room} from 'matrix-js-sdk/src/models/room';\n\nimport SettingsStore from \"../../../settings/SettingsStore\";\nimport Autocompleter from '../../../autocomplete/Autocompleter';\nimport {replaceableComponent} from \"../../../utils/replaceableComponent\";\n\nconst COMPOSER_SELECTED = 0;\nconst MAX_PROVIDER_MATCHES = 20;\n\nexport const generateCompletionDomId = (number) => `mx_Autocomplete_Completion_${number}`;\n\ninterface IProps {\n    // the query string for which to show autocomplete suggestions\n    query: string;\n    // method invoked with range and text content when completion is confirmed\n    onConfirm: (ICompletion) => void;\n    // method invoked when selected (if any) completion changes\n    onSelectionChange?: (ICompletion, number) => void;\n    selection: ISelectionRange;\n    // The room in which we're autocompleting\n    room: Room;\n}\n\ninterface IState {\n    completions: IProviderCompletions[];\n    completionList: ICompletion[];\n    selectionOffset: number;\n    shouldShowCompletions: boolean;\n    hide: boolean;\n    forceComplete: boolean;\n}\n\n@replaceableComponent(\"views.rooms.Autocomplete\")\nexport default class Autocomplete extends React.PureComponent<IProps, IState> {\n    autocompleter: Autocompleter;\n    queryRequested: string;\n    debounceCompletionsRequest: NodeJS.Timeout;\n    private containerRef = createRef<HTMLDivElement>();\n\n    constructor(props) {\n        super(props);\n\n        this.autocompleter = new Autocompleter(props.room);\n\n        this.state = {\n            // list of completionResults, each containing completions\n            completions: [],\n\n            // array of completions, so we can look up current selection by offset quickly\n            completionList: [],\n\n            // how far down the completion list we are (THIS IS 1-INDEXED!)\n            selectionOffset: COMPOSER_SELECTED,\n\n            // whether we should show completions if they're available\n            shouldShowCompletions: true,\n\n            hide: false,\n\n            forceComplete: false,\n        };\n    }\n\n    componentDidMount() {\n        this.applyNewProps();\n    }\n\n    private applyNewProps(oldQuery?: string, oldRoom?: Room) {\n        if (oldRoom && this.props.room.roomId !== oldRoom.roomId) {\n            this.autocompleter.destroy();\n            this.autocompleter = new Autocompleter(this.props.room);\n        }\n\n        // Query hasn't changed so don't try to complete it\n        if (oldQuery === this.props.query) {\n            return;\n        }\n\n        this.complete(this.props.query, this.props.selection);\n    }\n\n    componentWillUnmount() {\n        this.autocompleter.destroy();\n    }\n\n    complete(query: string, selection: ISelectionRange) {\n        this.queryRequested = query;\n        if (this.debounceCompletionsRequest) {\n            clearTimeout(this.debounceCompletionsRequest);\n        }\n        if (query === \"\") {\n            this.setState({\n                // Clear displayed completions\n                completions: [],\n                completionList: [],\n                // Reset selected completion\n                selectionOffset: COMPOSER_SELECTED,\n                // Hide the autocomplete box\n                hide: true,\n            });\n            return Promise.resolve(null);\n        }\n        let autocompleteDelay = SettingsStore.getValue(\"autocompleteDelay\");\n\n        // Don't debounce if we are already showing completions\n        if (this.state.completions.length > 0 || this.state.forceComplete) {\n            autocompleteDelay = 0;\n        }\n\n        return new Promise((resolve) => {\n            this.debounceCompletionsRequest = setTimeout(() => {\n                resolve(this.processQuery(query, selection));\n            }, autocompleteDelay);\n        });\n    }\n\n    processQuery(query: string, selection: ISelectionRange) {\n        return this.autocompleter.getCompletions(\n            query, selection, this.state.forceComplete, MAX_PROVIDER_MATCHES,\n        ).then((completions) => {\n            // Only ever process the completions for the most recent query being processed\n            if (query !== this.queryRequested) {\n                return;\n            }\n            this.processCompletions(completions);\n        });\n    }\n\n    processCompletions(completions: IProviderCompletions[]) {\n        const completionList = flatMap(completions, (provider) => provider.completions);\n\n        // Reset selection when completion list becomes empty.\n        let selectionOffset = COMPOSER_SELECTED;\n        if (completionList.length > 0) {\n            /* If the currently selected completion is still in the completion list,\n             try to find it and jump to it. If not, select composer.\n             */\n            const currentSelection = this.state.selectionOffset === 0 ? null :\n                this.state.completionList[this.state.selectionOffset - 1].completion;\n            selectionOffset = completionList.findIndex(\n                (completion) => completion.completion === currentSelection);\n            if (selectionOffset === -1) {\n                selectionOffset = COMPOSER_SELECTED;\n            } else {\n                selectionOffset++; // selectionOffset is 1-indexed!\n            }\n        }\n\n        let hide = this.state.hide;\n        // If `completion.command.command` is truthy, then a provider has matched with the query\n        const anyMatches = completions.some((completion) => !!completion.command.command);\n        hide = !anyMatches;\n\n        this.setState({\n            completions,\n            completionList,\n            selectionOffset,\n            hide,\n            // Force complete is turned off each time since we can't edit the query in that case\n            forceComplete: false,\n        });\n    }\n\n    hasSelection(): boolean {\n        return this.countCompletions() > 0 && this.state.selectionOffset !== 0;\n    }\n\n    countCompletions(): number {\n        return this.state.completionList.length;\n    }\n\n    // called from MessageComposerInput\n    moveSelection(delta: number) {\n        const completionCount = this.countCompletions();\n        if (completionCount === 0) return; // there are no items to move the selection through\n\n        // Note: selectionOffset 0 represents the unsubstituted text, while 1 means first pill selected\n        const index = (this.state.selectionOffset + delta + completionCount + 1) % (completionCount + 1);\n        this.setSelection(index);\n    }\n\n    onEscape(e: KeyboardEvent): boolean {\n        const completionCount = this.countCompletions();\n        if (completionCount === 0) {\n            // autocomplete is already empty, so don't preventDefault\n            return;\n        }\n\n        e.preventDefault();\n\n        // selectionOffset = 0, so we don't end up completing when autocomplete is hidden\n        this.hide();\n    }\n\n    hide = () => {\n        this.setState({\n            hide: true,\n            selectionOffset: 0,\n            completions: [],\n            completionList: [],\n        });\n    };\n\n    forceComplete() {\n        return new Promise((resolve) => {\n            this.setState({\n                forceComplete: true,\n                hide: false,\n            }, () => {\n                this.complete(this.props.query, this.props.selection).then(() => {\n                    resolve(this.countCompletions());\n                });\n            });\n        });\n    }\n\n    onCompletionClicked = (selectionOffset: number): boolean => {\n        if (this.countCompletions() === 0 || selectionOffset === COMPOSER_SELECTED) {\n            return false;\n        }\n\n        this.props.onConfirm(this.state.completionList[selectionOffset - 1]);\n        this.hide();\n\n        return true;\n    };\n\n    setSelection(selectionOffset: number) {\n        this.setState({selectionOffset, hide: false});\n        if (this.props.onSelectionChange) {\n            this.props.onSelectionChange(this.state.completionList[selectionOffset - 1], selectionOffset - 1);\n        }\n    }\n\n    componentDidUpdate(prevProps: IProps) {\n        this.applyNewProps(prevProps.query, prevProps.room);\n        // this is the selected completion, so scroll it into view if needed\n        const selectedCompletion = this.refs[`completion${this.state.selectionOffset}`] as HTMLElement;\n\n        if (selectedCompletion) {\n            selectedCompletion.scrollIntoView({\n                behavior: \"auto\",\n                block: \"nearest\",\n            });\n        } else if (this.containerRef.current) {\n            this.containerRef.current.scrollTo({ top: 0 });\n        }\n    }\n\n    render() {\n        let position = 1;\n        const renderedCompletions = this.state.completions.map((completionResult, i) => {\n            const completions = completionResult.completions.map((completion, j) => {\n                const selected = position === this.state.selectionOffset;\n                const className = classNames('mx_Autocomplete_Completion', {selected});\n                const componentPosition = position;\n                position++;\n\n                const onClick = () => {\n                    this.onCompletionClicked(componentPosition);\n                };\n\n                return React.cloneElement(completion.component, {\n                    \"key\": j,\n                    \"ref\": `completion${componentPosition}`,\n                    \"id\": generateCompletionDomId(componentPosition - 1), // 0 index the completion IDs\n                    className,\n                    onClick,\n                    \"aria-selected\": selected,\n                });\n            });\n\n\n            return completions.length > 0 ? (\n                <div key={i} className=\"mx_Autocomplete_ProviderSection\">\n                    <div className=\"mx_Autocomplete_provider_name\">{ completionResult.provider.getName() }</div>\n                    { completionResult.provider.renderCompletions(completions) }\n                </div>\n            ) : null;\n        }).filter((completion) => !!completion);\n\n        return !this.state.hide && renderedCompletions.length > 0 ? (\n            <div className=\"mx_Autocomplete\" ref={this.containerRef}>\n                { renderedCompletions }\n            </div>\n        ) : null;\n    }\n}\n"]}