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/*
* 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.queryParser = document.querySelector('#query-parser');
this.queryParser.addEventListener('click', (e) => this.onClick(e));
this.queryParser.addEventListener('mousemove', (e) => this.onMouseMove(e));
}
onError(error) {
logError(error, false);
}
onClick(e) {
this.onTermLookup(e, {disableScroll: true, selectText: true});
}
async onMouseMove(e) {
if (
(e.buttons & 0x1) !== 0x0 // Left mouse button
) {
return;
}
const scanningOptions = this.search.options.scanning;
const scanningModifier = scanningOptions.modifier;
if (!(
QueryParser.isScanningModifierPressed(scanningModifier, e) ||
(scanningOptions.middleMouse && (e.buttons & 0x4) !== 0x0) // Middle mouse button
)) {
return;
}
await this.onTermLookup(e, {disableScroll: true, selectText: true, disableHistory: true})
}
onTermLookup(e, params) {
this.search.onTermLookup(e, params);
}
async setText(text) {
this.search.setSpinnerVisible(true);
const previewTerms = [];
let previewText = text;
while (previewText) {
const tempText = previewText.slice(0, 2);
previewTerms.push([{text: tempText}]);
previewText = previewText.slice(2);
}
this.queryParser.innerHTML = await apiTemplateRender('query-parser.html', {
terms: previewTerms,
preview: true
});
const results = await apiTextParse(text, this.search.getOptionsContext());
const content = await apiTemplateRender('query-parser.html', {
terms: results.map((term) => {
return term.map((part) => {
part.raw = !part.text.trim() && (!part.reading || !part.reading.trim());
return part;
});
})
});
this.queryParser.innerHTML = content;
this.search.setSpinnerVisible(false);
}
async parseText(text) {
const results = [];
while (text) {
const {definitions, length} = await apiTermsFind(text, {}, this.search.getOptionsContext());
if (length) {
results.push(definitions);
text = text.slice(length);
} else {
results.push(text[0]);
text = text.slice(1);
}
}
return results;
}
popupTimerSet(callback) {
const delay = this.options.scanning.delay;
if (delay > 0) {
this.popupTimer = window.setTimeout(callback, delay);
} else {
Promise.resolve().then(callback);
}
}
popupTimerClear() {
if (this.popupTimer !== null) {
window.clearTimeout(this.popupTimer);
this.popupTimer = null;
}
}
static isScanningModifierPressed(scanningModifier, mouseEvent) {
switch (scanningModifier) {
case 'alt': return mouseEvent.altKey;
case 'ctrl': return mouseEvent.ctrlKey;
case 'shift': return mouseEvent.shiftKey;
case 'none': return true;
default: return false;
}
}
}
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