/* * Copyright (C) 2019-2020 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* global * QueryParserGenerator * TextScanner * api * docSentenceExtract */ class QueryParser extends EventDispatcher { constructor({getOptionsContext, setSpinnerVisible}) { super(); this._options = null; this._getOptionsContext = getOptionsContext; this._setSpinnerVisible = setSpinnerVisible; this._parseResults = []; this._queryParser = document.querySelector('#query-parser-content'); this._queryParserSelect = document.querySelector('#query-parser-select-container'); this._queryParserGenerator = new QueryParserGenerator(); this._textScanner = new TextScanner({ node: this._queryParser, ignoreElements: () => [], ignorePoint: null, search: this._search.bind(this) }); } async prepare() { await this._queryParserGenerator.prepare(); this._textScanner.prepare(); this._queryParser.addEventListener('click', this._onClick.bind(this)); } setOptions(options) { this._options = options; this._textScanner.setOptions(options); this._textScanner.setEnabled(true); this._queryParser.dataset.termSpacing = `${options.parsing.termSpacing}`; } async setText(text) { this._setSpinnerVisible(true); this._setPreview(text); this._parseResults = await api.textParse(text, this._getOptionsContext()); this._refreshSelectedParser(); this._renderParserSelect(); this._renderParseResult(); this._setSpinnerVisible(false); } // Private _onClick(e) { this._textScanner.searchAt(e.clientX, e.clientY, 'click'); } async _search(textSource, cause) { if (textSource === null) { return null; } const {length: scanLength, layoutAwareScan} = this._options.scanning; const searchText = this._textScanner.getTextSourceContent(textSource, scanLength, layoutAwareScan); if (searchText.length === 0) { return null; } const optionsContext = this._getOptionsContext(); const {definitions, length} = await api.termsFind(searchText, {}, optionsContext); if (definitions.length === 0) { return null; } const sentenceExtent = this._options.anki.sentenceExt; const sentence = docSentenceExtract(textSource, sentenceExtent, layoutAwareScan); textSource.setEndOffset(length, layoutAwareScan); this.trigger('searched', { type: 'terms', definitions, sentence, cause, textSource, optionsContext }); return {definitions, type: 'terms'}; } _onParserChange(e) { const value = e.target.value; api.modifySettings([{ action: 'set', path: 'parsing.selectedParser', value, scope: 'profile', optionsContext: this._getOptionsContext() }], 'search'); } _refreshSelectedParser() { if (this._parseResults.length > 0) { if (!this._getParseResult()) { const value = this._parseResults[0].id; api.modifySettings([{ action: 'set', path: 'parsing.selectedParser', value, scope: 'profile', optionsContext: this._getOptionsContext() }], 'search'); } } } _getParseResult() { const {selectedParser} = this._options.parsing; return this._parseResults.find((r) => r.id === selectedParser); } _setPreview(text) { const previewTerms = []; for (let i = 0, ii = text.length; i < ii; i += 2) { const tempText = text.substring(i, i + 2); previewTerms.push([{text: tempText, reading: ''}]); } this._queryParser.textContent = ''; this._queryParser.appendChild(this._queryParserGenerator.createParseResult(previewTerms, true)); } _renderParserSelect() { this._queryParserSelect.textContent = ''; if (this._parseResults.length > 1) { const {selectedParser} = this._options.parsing; const select = this._queryParserGenerator.createParserSelect(this._parseResults, selectedParser); select.addEventListener('change', this._onParserChange.bind(this)); this._queryParserSelect.appendChild(select); } } _renderParseResult() { const parseResult = this._getParseResult(); this._queryParser.textContent = ''; if (!parseResult) { return; } this._queryParser.appendChild(this._queryParserGenerator.createParseResult(parseResult.content)); } }