329 lines
12 KiB
JavaScript
329 lines
12 KiB
JavaScript
/*
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* Copyright (C) 2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* DictionaryDatabase
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* DictionaryImporter
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* ObjectPropertyAccessor
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* api
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*/
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class DictionaryImportController {
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constructor(settingsController, storageController) {
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this._settingsController = settingsController;
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this._storageController = storageController;
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this._modifying = false;
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this._purgeButton = null;
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this._purgeConfirmButton = null;
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this._importFileButton = null;
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this._importFileInput = null;
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this._purgeConfirmModal = null;
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this._errorContainer = null;
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this._spinner = null;
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this._purgeNotification = null;
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this._importInfo = null;
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this._errorToStringOverrides = [
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[
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'A mutation operation was attempted on a database that did not allow mutations.',
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'Access to IndexedDB appears to be restricted. Firefox seems to require that the history preference is set to "Remember history" before IndexedDB use of any kind is allowed.'
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],
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[
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'The operation failed for reasons unrelated to the database itself and not covered by any other error code.',
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'Unable to access IndexedDB due to a possibly corrupt user profile. Try using the "Refresh Firefox" feature to reset your user profile.'
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]
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];
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}
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async prepare() {
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this._purgeButton = document.querySelector('#dict-purge-button');
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this._purgeConfirmButton = document.querySelector('#dict-purge-confirm');
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this._importFileButton = document.querySelector('#dict-file-button');
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this._importFileInput = document.querySelector('#dict-file');
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this._purgeConfirmModal = document.querySelector('#dict-purge-modal');
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this._errorContainer = document.querySelector('#dict-error');
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this._spinner = document.querySelector('#dict-spinner');
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this._progressContainer = document.querySelector('#dict-import-progress');
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this._progressBar = this._progressContainer.querySelector('.progress-bar');
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this._purgeNotification = document.querySelector('#dict-purge');
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this._importInfo = document.querySelector('#dict-import-info');
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this._purgeButton.addEventListener('click', this._onPurgeButtonClick.bind(this), false);
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this._purgeConfirmButton.addEventListener('click', this._onPurgeConfirmButtonClick.bind(this), false);
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this._importFileButton.addEventListener('click', this._onImportButtonClick.bind(this), false);
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this._importFileInput.addEventListener('change', this._onImportFileChange.bind(this), false);
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}
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// Private
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_onImportButtonClick() {
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this._importFileInput.click();
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}
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_onPurgeButtonClick(e) {
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e.preventDefault();
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this._setPurgeModalVisible(true);
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}
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_onPurgeConfirmButtonClick(e) {
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e.preventDefault();
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this._setPurgeModalVisible(false);
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this._purgeDatabase();
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}
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_onImportFileChange(e) {
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const node = e.currentTarget;
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const files = [...node.files];
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node.value = null;
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this._importDictionaries(files);
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}
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async _purgeDatabase() {
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if (this._modifying) { return; }
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const purgeNotification = this._purgeNotification;
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const prevention = this._preventPageExit();
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try {
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this._setModifying(true);
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this._hideErrors();
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this._setSpinnerVisible(true);
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purgeNotification.hidden = false;
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await api.purgeDatabase();
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const errors = await this._clearDictionarySettings();
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if (errors.length > 0) {
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this._showErrors(errors);
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}
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} catch (error) {
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this._showErrors([error]);
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} finally {
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prevention.end();
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purgeNotification.hidden = true;
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this._setSpinnerVisible(false);
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this._storageController.updateStats();
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this._setModifying(false);
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}
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}
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async _importDictionaries(files) {
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if (this._modifying) { return; }
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const importInfo = this._importInfo;
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const progressContainer = this._progressContainer;
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const progressBar = this._progressBar;
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const storageController = this._storageController;
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const prevention = this._preventPageExit();
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try {
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this._setModifying(true);
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this._hideErrors();
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this._setSpinnerVisible(true);
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progressContainer.hidden = false;
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const optionsFull = await this._settingsController.getOptionsFull();
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const importDetails = {
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prefixWildcardsSupported: optionsFull.global.database.prefixWildcardsSupported
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};
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const updateProgress = (total, current) => {
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const percent = (current / total * 100.0);
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progressBar.style.width = `${percent}%`;
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storageController.updateStats();
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};
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const fileCount = files.length;
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for (let i = 0; i < fileCount; ++i) {
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progressBar.style.width = '0';
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if (fileCount > 1) {
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importInfo.hidden = false;
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importInfo.textContent = `(${i + 1} of ${fileCount})`;
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}
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await this._importDictionary(files[i], importDetails, updateProgress);
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}
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} catch (err) {
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this._showErrors([err]);
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} finally {
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prevention.end();
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progressContainer.hidden = true;
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importInfo.textContent = '';
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importInfo.hidden = true;
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this._setSpinnerVisible(false);
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this._setModifying(false);
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}
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}
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async _importDictionary(file, importDetails, onProgress) {
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const dictionaryDatabase = await this._getPreparedDictionaryDatabase();
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try {
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const dictionaryImporter = new DictionaryImporter();
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const archiveContent = await this._readFile(file);
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const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, importDetails, onProgress);
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api.triggerDatabaseUpdated('dictionary', 'import');
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const errors2 = await this._addDictionarySettings(result.sequenced, result.title);
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if (errors.length > 0) {
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const allErrors = [...errors, ...errors2];
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allErrors.push(new Error(`Dictionary may not have been imported properly: ${allErrors.length} error${allErrors.length === 1 ? '' : 's'} reported.`));
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this._showErrors(allErrors);
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}
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} finally {
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dictionaryDatabase.close();
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}
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}
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async _addDictionarySettings(sequenced, title) {
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const optionsFull = await this._settingsController.getOptionsFull();
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const targets = [];
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const profileCount = optionsFull.profiles.length;
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for (let i = 0; i < profileCount; ++i) {
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const {options} = optionsFull.profiles[i];
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const value = this._createDictionaryOptions();
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const path1 = ObjectPropertyAccessor.getPathString(['profiles', i, 'options', 'dictionaries', title]);
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targets.push({action: 'set', path: path1, value});
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if (sequenced && options.general.mainDictionary === '') {
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const path2 = ObjectPropertyAccessor.getPathString(['profiles', i, 'options', 'general', 'mainDictionary']);
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targets.push({action: 'set', path: path2, value: title});
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}
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}
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return await this._modifyGlobalSettings(targets);
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}
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async _clearDictionarySettings() {
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const optionsFull = await this._settingsController.getOptionsFull();
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const targets = [];
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const profileCount = optionsFull.profiles.length;
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for (let i = 0; i < profileCount; ++i) {
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const path1 = ObjectPropertyAccessor.getPathString(['profiles', i, 'options', 'dictionaries']);
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targets.push({action: 'set', path: path1, value: {}});
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const path2 = ObjectPropertyAccessor.getPathString(['profiles', i, 'options', 'general', 'mainDictionary']);
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targets.push({action: 'set', path: path2, value: ''});
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}
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return await this._modifyGlobalSettings(targets);
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}
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_setPurgeModalVisible(visible) {
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const node = $(this._purgeConfirmModal);
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node.modal(visible ? 'show' : 'hide');
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}
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_setSpinnerVisible(visible) {
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this._spinner.hidden = !visible;
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}
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_preventPageExit() {
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return this._settingsController.preventPageExit();
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}
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_showErrors(errors) {
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const uniqueErrors = new Map();
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for (const error of errors) {
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yomichan.logError(error);
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const errorString = this._errorToString(error);
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let count = uniqueErrors.get(errorString);
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if (typeof count === 'undefined') {
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count = 0;
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}
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uniqueErrors.set(errorString, count + 1);
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}
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const fragment = document.createDocumentFragment();
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for (const [e, count] of uniqueErrors.entries()) {
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const div = document.createElement('p');
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if (count > 1) {
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div.textContent = `${e} `;
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const em = document.createElement('em');
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em.textContent = `(${count})`;
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div.appendChild(em);
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} else {
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div.textContent = `${e}`;
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}
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fragment.appendChild(div);
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}
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this._errorContainer.appendChild(fragment);
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this._errorContainer.hidden = false;
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}
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_hideErrors() {
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this._errorContainer.textContent = '';
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this._errorContainer.hidden = true;
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}
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_readFile(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = () => resolve(reader.result);
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reader.onerror = () => reject(reader.error);
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reader.readAsBinaryString(file);
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});
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}
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_createDictionaryOptions() {
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return {
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priority: 0,
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enabled: true,
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allowSecondarySearches: false
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};
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}
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_errorToString(error) {
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error = (typeof error.toString === 'function' ? error.toString() : `${error}`);
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for (const [match, newErrorString] of this._errorToStringOverrides) {
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if (error.includes(match)) {
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return newErrorString;
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}
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}
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return error;
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}
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_setModifying(value) {
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this._modifying = value;
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this._setButtonsEnabled(!value);
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}
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_setButtonsEnabled(value) {
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value = !value;
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for (const node of document.querySelectorAll('.dictionary-modifying-input')) {
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node.disabled = value;
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}
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}
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async _getPreparedDictionaryDatabase() {
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const dictionaryDatabase = new DictionaryDatabase();
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await dictionaryDatabase.prepare();
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return dictionaryDatabase;
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}
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async _modifyGlobalSettings(targets) {
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const results = await this._settingsController.modifyGlobalSettings(targets);
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const errors = [];
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for (const {error} of results) {
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if (typeof error !== 'undefined') {
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errors.push(jsonToError(error));
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}
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}
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return errors;
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}
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}
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