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import * as React from 'react';
import "./MetadataEntryMenu.scss";
import { observer } from 'mobx-react';
import { observable, action, runInAction, trace, computed, IReactionDisposer, reaction } from 'mobx';
import { KeyValueBox } from './nodes/KeyValueBox';
import { Doc, Field, DocListCastAsync } from '../../fields/Doc';
import * as Autosuggest from 'react-autosuggest';
import { undoBatch } from '../util/UndoManager';
import { emptyFunction, emptyPath } from '../../Utils';
export type DocLike = Doc | Doc[] | Promise<Doc> | Promise<Doc[]>;
export interface MetadataEntryProps {
docs: DocLike | (() => DocLike);
onError?: () => boolean;
suggestWithFunction?: boolean;
}
@observer
export class MetadataEntryMenu extends React.Component<MetadataEntryProps>{
@observable private _currentKey: string = "";
@observable private _currentValue: string = "";
private _addChildren: boolean = false;
@observable _allSuggestions: string[] = [];
_suggestionDispser: IReactionDisposer | undefined;
private userModified = false;
private autosuggestRef = React.createRef<Autosuggest>();
@action
onKeyChange = (e: React.ChangeEvent, { newValue }: { newValue: string }) => {
this._currentKey = newValue;
if (!this.userModified) {
this.previewValue();
}
}
previewValue = async () => {
let field: Field | undefined | null = null;
let onProto: boolean = false;
let value: string | undefined = undefined;
let docs = this.props.docs;
if (typeof docs === "function") {
if (this.props.suggestWithFunction) {
docs = docs();
} else {
return;
}
}
docs = await docs;
if (docs instanceof Doc) {
await docs[this._currentKey];
value = Field.toKeyValueString(docs, this._currentKey);
} else {
for (const doc of docs) {
const v = await doc[this._currentKey];
onProto = onProto || !Object.keys(doc).includes(this._currentKey);
if (field === null) {
field = v;
} else if (v !== field) {
value = "multiple values";
}
}
}
if (value === undefined) {
if (field !== null && field !== undefined) {
value = (onProto ? "" : "= ") + Field.toScriptString(field);
} else {
value = "";
}
}
const s = value;
runInAction(() => this._currentValue = s);
}
@action
onValueChange = (e: React.ChangeEvent<HTMLInputElement>) => {
this._currentValue = e.target.value;
this.userModified = e.target.value.trim() !== "";
}
@undoBatch
@action
onValueKeyDown = async (e: React.KeyboardEvent) => {
if (e.key === "Enter") {
e.stopPropagation();
const script = KeyValueBox.CompileKVPScript(this._currentValue);
if (!script) return;
let doc = this.props.docs;
if (typeof doc === "function") {
doc = doc();
}
doc = await doc;
let success: boolean;
if (doc instanceof Doc) {
success = KeyValueBox.ApplyKVPScript(doc, this._currentKey, script);
} else {
let childSuccess = true;
if (this._addChildren) {
for (const document of doc) {
const collectionChildren = await DocListCastAsync(document.data);
if (collectionChildren) {
childSuccess = collectionChildren.every(c => KeyValueBox.ApplyKVPScript(c, this._currentKey, script));
}
}
}
success = doc.every(d => KeyValueBox.ApplyKVPScript(d, this._currentKey, script)) && childSuccess;
}
if (!success) {
if (this.props.onError) {
if (this.props.onError()) {
this.clearInputs();
}
} else {
this.clearInputs();
}
} else {
this.clearInputs();
}
}
}
@action
clearInputs = () => {
this._currentKey = "";
this._currentValue = "";
this.userModified = false;
if (this.autosuggestRef.current) {
const input: HTMLInputElement = (this.autosuggestRef.current as any).input;
input && input.focus();
}
}
getKeySuggestions = async (value: string): Promise<string[]> => {
value = value.toLowerCase();
let docs = this.props.docs;
if (typeof docs === "function") {
if (this.props.suggestWithFunction) {
docs = docs();
} else {
return [];
}
}
docs = await docs;
if (docs instanceof Doc) {
return Object.keys(docs).filter(key => key.toLowerCase().startsWith(value));
} else {
const keys = new Set<string>();
docs.forEach(doc => Doc.allKeys(doc).forEach(key => keys.add(key)));
return Array.from(keys).filter(key => key.toLowerCase().startsWith(value));
}
}
getSuggestionValue = (suggestion: string) => suggestion;
renderSuggestion = (suggestion: string) => {
return (null);
}
componentDidMount() {
this._suggestionDispser = reaction(() => this._currentKey,
() => this.getKeySuggestions(this._currentKey).then(action((s: string[]) => this._allSuggestions = s)),
{ fireImmediately: true });
}
componentWillUnmount() {
this._suggestionDispser && this._suggestionDispser();
}
onClick = (e: React.ChangeEvent<HTMLInputElement>) => {
this._addChildren = !this._addChildren;
}
private get considerChildOptions() {
let docSource = this.props.docs;
if (typeof docSource === "function") {
docSource = docSource();
}
docSource = docSource as Doc[] | Doc;
if (docSource instanceof Doc) {
if (docSource._viewType === undefined) {
return (null);
}
} else if (Array.isArray(docSource)) {
if (!docSource.every(doc => doc._viewType !== undefined)) {
return null;
}
}
return (
<div style={{ display: "flex" }}>
Children:
<input type="checkbox" onChange={this.onClick} ></input>
</div>
);
}
_ref = React.createRef<HTMLInputElement>();
render() {
return (<div className="metadataEntry-outerDiv" id="metadataEntry-outer" onPointerDown={e => e.stopPropagation()}>
<div className="metadataEntry-inputArea">
Key:
<div className="metadataEntry-autoSuggester" onClick={e => this.autosuggestRef.current!.input?.focus()} >
<Autosuggest inputProps={{ value: this._currentKey, onChange: this.onKeyChange }}
getSuggestionValue={this.getSuggestionValue}
suggestions={emptyPath}
alwaysRenderSuggestions={false}
renderSuggestion={this.renderSuggestion}
onSuggestionsFetchRequested={emptyFunction}
onSuggestionsClearRequested={emptyFunction}
ref={this.autosuggestRef} />
</div>
Value:
<input className="metadataEntry-input" ref={this._ref} value={this._currentValue} onClick={e => this._ref.current!.focus()} onChange={this.onValueChange} onKeyDown={this.onValueKeyDown} />
{this.considerChildOptions}
</div>
<div className="metadataEntry-keys" >
<ul>
{this._allSuggestions.slice().sort().map(s => <li key={s} onClick={action(() => { this._currentKey = s; this.previewValue(); })} >{s}</li>)}
</ul>
</div>
</div>
);
}
}
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