/* * Copyright (C) 2019-2020 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * 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 * apiOptionsSet * apiTermsFind * apiTextParse * apiTextParseMecab * docSentenceExtract */ class QueryParser extends TextScanner { constructor(search) { super(document.querySelector('#query-parser-content'), [], [], []); this.search = search; this.parseResults = []; this.selectedParser = null; this.queryParser = document.querySelector('#query-parser-content'); this.queryParserSelect = document.querySelector('#query-parser-select-container'); this.queryParserGenerator = new QueryParserGenerator(); } async prepare() { await this.queryParserGenerator.prepare(); } onError(error) { logError(error, false); } onClick(e) { super.onClick(e); this.searchAt(e.clientX, e.clientY, 'click'); } async onSearchSource(textSource, cause) { if (textSource === null) { return null; } this.setTextSourceScanLength(textSource, this.search.options.scanning.length); const searchText = textSource.text(); if (searchText.length === 0) { return; } const {definitions, length} = await apiTermsFind(searchText, {}, this.search.getOptionsContext()); if (definitions.length === 0) { return null; } const sentence = docSentenceExtract(textSource, this.search.options.anki.sentenceExt); textSource.setEndOffset(length); this.search.setContent('terms', {definitions, context: { focus: false, disableHistory: cause === 'mouse', sentence, url: window.location.href }}); return {definitions, type: 'terms'}; } onParserChange(e) { const selectedParser = e.target.value; this.selectedParser = selectedParser; apiOptionsSet({parsing: {selectedParser}}, this.search.getOptionsContext()); this.renderParseResult(); } getMouseEventListeners() { return [ [this.node, 'click', this.onClick.bind(this)], [this.node, 'mousedown', this.onMouseDown.bind(this)], [this.node, 'mousemove', this.onMouseMove.bind(this)], [this.node, 'mouseover', this.onMouseOver.bind(this)], [this.node, 'mouseout', this.onMouseOut.bind(this)] ]; } getTouchEventListeners() { return [ [this.node, 'auxclick', this.onAuxClick.bind(this)], [this.node, 'touchstart', this.onTouchStart.bind(this)], [this.node, 'touchend', this.onTouchEnd.bind(this)], [this.node, 'touchcancel', this.onTouchCancel.bind(this)], [this.node, 'touchmove', this.onTouchMove.bind(this), {passive: false}], [this.node, 'contextmenu', this.onContextMenu.bind(this)] ]; } setOptions(options) { super.setOptions(options); this.queryParser.dataset.termSpacing = `${options.parsing.termSpacing}`; } refreshSelectedParser() { if (this.parseResults.length > 0) { if (this.selectedParser === null) { this.selectedParser = this.search.options.parsing.selectedParser; } if (this.selectedParser === null || !this.getParseResult()) { const selectedParser = this.parseResults[0].id; this.selectedParser = selectedParser; apiOptionsSet({parsing: {selectedParser}}, this.search.getOptionsContext()); } } } getParseResult() { return this.parseResults.find((r) => r.id === this.selectedParser); } async setText(text) { this.search.setSpinnerVisible(true); this.setPreview(text); this.parseResults = await this.parseText(text); this.refreshSelectedParser(); this.renderParserSelect(); this.renderParseResult(); this.search.setSpinnerVisible(false); } async parseText(text) { const results = []; if (this.search.options.parsing.enableScanningParser) { results.push({ name: 'Scanning parser', id: 'scan', parsedText: await apiTextParse(text, this.search.getOptionsContext()) }); } if (this.search.options.parsing.enableMecabParser) { const mecabResults = await apiTextParseMecab(text, this.search.getOptionsContext()); for (const [mecabDictName, mecabDictResults] of mecabResults) { results.push({ name: `MeCab: ${mecabDictName}`, id: `mecab-${mecabDictName}`, parsedText: mecabDictResults }); } } return results; } 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}]); } this.queryParser.textContent = ''; this.queryParser.appendChild(this.queryParserGenerator.createParseResult(previewTerms, true)); } renderParserSelect() { this.queryParserSelect.textContent = ''; if (this.parseResults.length > 1) { const select = this.queryParserGenerator.createParserSelect(this.parseResults, this.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.parsedText)); } }