/* * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>. */ class QueryParser { constructor(search) { this.search = search; this.pendingLookup = false; this.clickScanPrevent = false; this.parseResults = []; this.queryParser = document.querySelector('#query-parser'); this.queryParserSelect = document.querySelector('#query-parser-select'); this.queryParser.addEventListener('mousedown', (e) => this.onMouseDown(e)); this.queryParser.addEventListener('mouseup', (e) => this.onMouseUp(e)); } onError(error) { logError(error, false); } onMouseDown(e) { if (Frontend.isMouseButton('primary', e)) { this.clickScanPrevent = false; } } onMouseUp(e) { if ( this.search.options.scanning.clickGlossary && !this.clickScanPrevent && Frontend.isMouseButton('primary', e) ) { const selectText = this.search.options.scanning.selectText; this.onTermLookup(e, {disableScroll: true, selectText}); } } onMouseMove(e) { if (this.pendingLookup || Frontend.isMouseButton('primary', e)) { return; } const scanningOptions = this.search.options.scanning; const scanningModifier = scanningOptions.modifier; if (!( Frontend.isScanningModifierPressed(scanningModifier, e) || (scanningOptions.middleMouse && Frontend.isMouseButton('auxiliary', e)) )) { return; } const selectText = this.search.options.scanning.selectText; this.onTermLookup(e, {disableScroll: true, disableHistory: true, selectText}); } onMouseLeave(e) { this.clickScanPrevent = true; clearTimeout(e.target.dataset.timer); delete e.target.dataset.timer; } onTermLookup(e, params) { this.pendingLookup = true; (async () => { await this.search.onTermLookup(e, params); this.pendingLookup = false; })(); } onParserChange(e) { const selectedParser = e.target.value; apiOptionsSet({parsing: {selectedParser}}, this.search.getOptionsContext()); this.renderParseResult(this.getParseResult()); } getParseResult() { return this.parseResults.find(r => r.id === this.search.options.parsing.selectedParser); } async setText(text) { this.search.setSpinnerVisible(true); await this.setPreview(text); this.parseResults = await this.parseText(text); if (this.parseResults.length > 0) { if (this.search.options.parsing.selectedParser === null || !this.getParseResult()) { const selectedParser = this.parseResults[0].id; apiOptionsSet({parsing: {selectedParser}}, this.search.getOptionsContext()); } } this.renderParserSelect(); await 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) { let mecabResults = await apiTextParseMecab(text, this.search.getOptionsContext()); for (const mecabDictName in mecabResults) { results.push({ name: `MeCab: ${mecabDictName}`, id: `mecab-${mecabDictName}`, parsedText: mecabResults[mecabDictName] }); } } return results; } async setPreview(text) { const previewTerms = []; while (text.length > 0) { const tempText = text.slice(0, 2); previewTerms.push([{text: Array.from(tempText)}]); text = text.slice(2); } this.queryParser.innerHTML = await apiTemplateRender('query-parser.html', { terms: previewTerms, preview: true }); for (const charElement of this.queryParser.querySelectorAll('.query-parser-char')) { this.activateScanning(charElement); } } renderParserSelect() { this.queryParserSelect.innerHTML = ''; if (this.parseResults.length > 1) { const select = document.createElement('select'); select.classList.add('form-control'); for (const parseResult of this.parseResults) { const option = document.createElement('option'); option.value = parseResult.id; option.innerText = parseResult.name; option.defaultSelected = this.search.options.parsing.selectedParser === parseResult.id; select.appendChild(option); } select.addEventListener('change', this.onParserChange.bind(this)); this.queryParserSelect.appendChild(select); } } async renderParseResult() { const parseResult = this.getParseResult(); if (!parseResult) { this.queryParser.innerHTML = ''; return; } this.queryParser.innerHTML = await apiTemplateRender( 'query-parser.html', {terms: QueryParser.processParseResultForDisplay(parseResult.parsedText)} ); for (const charElement of this.queryParser.querySelectorAll('.query-parser-char')) { this.activateScanning(charElement); } } activateScanning(element) { element.addEventListener('mousemove', (e) => { clearTimeout(e.target.dataset.timer); if (this.search.options.scanning.modifier === 'none') { e.target.dataset.timer = setTimeout(() => { this.onMouseMove(e); delete e.target.dataset.timer; }, this.search.options.scanning.delay); } else { this.onMouseMove(e); } }); element.addEventListener('mouseleave', (e) => { this.onMouseLeave(e); }); } static processParseResultForDisplay(result) { return result.map((term) => { return term.filter(part => part.text.trim()).map((part) => { return { text: Array.from(part.text), reading: part.reading, raw: !part.reading || !part.reading.trim(), }; }); }); } }