/* * Copyright (C) 2019-2021 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 * TextScanner * api */ class QueryParser extends EventDispatcher { constructor({getSearchContext, documentUtil}) { super(); this._getSearchContext = getSearchContext; this._documentUtil = documentUtil; this._text = ''; this._setTextToken = null; this._selectedParser = null; this._parseResults = []; this._queryParser = document.querySelector('#query-parser-content'); this._queryParserModeContainer = document.querySelector('#query-parser-mode-container'); this._queryParserModeSelect = document.querySelector('#query-parser-mode-select'); this._textScanner = new TextScanner({ node: this._queryParser, getSearchContext, documentUtil, searchTerms: true, searchKanji: false, searchOnClick: true }); } get text() { return this._text; } prepare() { this._textScanner.prepare(); this._textScanner.on('searched', this._onSearched.bind(this)); this._queryParserModeSelect.addEventListener('change', this._onParserChange.bind(this), false); } setOptions({selectedParser, termSpacing, scanning}) { if (selectedParser === null || typeof selectedParser === 'string') { this._selectedParser = selectedParser; } if (typeof termSpacing === 'boolean') { this._queryParser.dataset.termSpacing = `${termSpacing}`; } if (scanning !== null && typeof scanning === 'object') { this._textScanner.setOptions(scanning); } this._textScanner.setEnabled(true); } async setText(text) { this._text = text; this._setPreview(text); const token = {}; this._setTextToken = token; this._parseResults = await api.textParse(text, this._getOptionsContext()); if (this._setTextToken !== token) { return; } this._refreshSelectedParser(); this._renderParserSelect(); this._renderParseResult(); } // Private _onSearched({type, definitions, sentence, inputInfo, textSource, optionsContext, detail, error}) { if (error !== null) { yomichan.logError(error); return; } if (type === null) { return; } this.trigger('searched', { type, definitions, sentence, inputInfo, textSource, optionsContext, detail }); } _onParserChange(e) { const value = e.currentTarget.value; this._setSelectedParser(value); } _getOptionsContext() { return this._getSearchContext().optionsContext; } _refreshSelectedParser() { if (this._parseResults.length > 0 && !this._getParseResult()) { const value = this._parseResults[0].id; this._setSelectedParser(value); } } _setSelectedParser(value) { const optionsContext = this._getOptionsContext(); api.modifySettings([{ action: 'set', path: 'parsing.selectedParser', value, scope: 'profile', optionsContext }], 'search'); } _getParseResult() { const selectedParser = this._selectedParser; return this._parseResults.find((r) => r.id === selectedParser); } _setPreview(text) { const terms = [[{text, reading: ''}]]; this._queryParser.textContent = ''; this._queryParser.appendChild(this._createParseResult(terms, true)); } _renderParserSelect() { const visible = (this._parseResults.length > 1); if (visible) { this._updateParserModeSelect(this._queryParserModeSelect, this._parseResults, this._selectedParser); } this._queryParserModeContainer.hidden = !visible; } _renderParseResult() { const parseResult = this._getParseResult(); this._queryParser.textContent = ''; if (!parseResult) { return; } this._queryParser.appendChild(this._createParseResult(parseResult.content, false)); } _updateParserModeSelect(select, parseResults, selectedParser) { const fragment = document.createDocumentFragment(); let index = 0; let selectedIndex = -1; for (const parseResult of parseResults) { const option = document.createElement('option'); option.value = parseResult.id; switch (parseResult.source) { case 'scanning-parser': option.textContent = 'Scanning parser'; break; case 'mecab': option.textContent = `MeCab: ${parseResult.dictionary}`; break; default: option.textContent = `Unknown source: ${parseResult.source}`; break; } fragment.appendChild(option); if (selectedParser === parseResult.id) { selectedIndex = index; } ++index; } select.textContent = ''; select.appendChild(fragment); select.selectedIndex = selectedIndex; } _createParseResult(terms, preview) { const type = preview ? 'preview' : 'normal'; const fragment = document.createDocumentFragment(); for (const term of terms) { const termNode = document.createElement('span'); termNode.className = 'query-parser-term'; termNode.dataset.type = type; for (const segment of term) { if (segment.reading.trim().length === 0) { this._addSegmentText(segment.text, termNode); } else { termNode.appendChild(this._createSegment(segment)); } } fragment.appendChild(termNode); } return fragment; } _createSegment(segment) { const segmentNode = document.createElement('ruby'); segmentNode.className = 'query-parser-segment'; const textNode = document.createElement('span'); textNode.className = 'query-parser-segment-text'; const readingNode = document.createElement('rt'); readingNode.className = 'query-parser-segment-reading'; segmentNode.appendChild(textNode); segmentNode.appendChild(readingNode); this._addSegmentText(segment.text, textNode); readingNode.textContent = segment.reading; return segmentNode; } _addSegmentText(text, container) { for (const character of text) { const node = document.createElement('span'); node.className = 'query-parser-char'; node.textContent = character; container.appendChild(node); } } }