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diff --git a/ext/bg/js/settings/anki.js b/ext/bg/js/settings/anki.js
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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/>.
+ */
+
+
+function ankiSpinnerShow(show) {
+ const spinner = $('#anki-spinner');
+ if (show) {
+ spinner.show();
+ } else {
+ spinner.hide();
+ }
+}
+
+function ankiErrorShow(error) {
+ const dialog = $('#anki-error');
+ if (error) {
+ dialog.show().text(error);
+ }
+ else {
+ dialog.hide();
+ }
+}
+
+function ankiErrorShown() {
+ return $('#anki-error').is(':visible');
+}
+
+function ankiFieldsToDict(selection) {
+ const result = {};
+ selection.each((index, element) => {
+ result[$(element).data('field')] = $(element).val();
+ });
+
+ return result;
+}
+
+async function ankiDeckAndModelPopulate(options) {
+ const ankiFormat = $('#anki-format').hide();
+
+ const deckNames = await utilAnkiGetDeckNames();
+ const ankiDeck = $('.anki-deck');
+ ankiDeck.find('option').remove();
+ deckNames.sort().forEach((name) => ankiDeck.append($('<option/>', {value: name, text: name})));
+
+ const modelNames = await utilAnkiGetModelNames();
+ const ankiModel = $('.anki-model');
+ ankiModel.find('option').remove();
+ modelNames.sort().forEach((name) => ankiModel.append($('<option/>', {value: name, text: name})));
+
+ $('#anki-terms-deck').val(options.anki.terms.deck);
+ await ankiFieldsPopulate($('#anki-terms-model').val(options.anki.terms.model), options);
+
+ $('#anki-kanji-deck').val(options.anki.kanji.deck);
+ await ankiFieldsPopulate($('#anki-kanji-model').val(options.anki.kanji.model), options);
+
+ ankiFormat.show();
+}
+
+function ankiCreateFieldTemplate(name, value, markers) {
+ const template = document.querySelector('#anki-field-template').content;
+ const content = document.importNode(template, true).firstChild;
+
+ content.querySelector('.anki-field-name').textContent = name;
+
+ const field = content.querySelector('.anki-field-value');
+ field.dataset.field = name;
+ field.value = value;
+
+ content.querySelector('.anki-field-marker-list').appendChild(ankiGetFieldMarkersHtml(markers));
+
+ return content;
+}
+
+function ankiGetFieldMarkersHtml(markers, fragment) {
+ const template = document.querySelector('#anki-field-marker-template').content;
+ if (!fragment) {
+ fragment = new DocumentFragment();
+ }
+ for (const marker of markers) {
+ const markerNode = document.importNode(template, true).firstChild;
+ markerNode.querySelector('.marker-link').textContent = marker;
+ fragment.appendChild(markerNode);
+ }
+ return fragment;
+}
+
+function ankiGetFieldMarkers(type) {
+ switch (type) {
+ case 'terms':
+ return [
+ 'audio',
+ 'cloze-body',
+ 'cloze-prefix',
+ 'cloze-suffix',
+ 'dictionary',
+ 'expression',
+ 'furigana',
+ 'furigana-plain',
+ 'glossary',
+ 'glossary-brief',
+ 'reading',
+ 'screenshot',
+ 'sentence',
+ 'tags',
+ 'url'
+ ];
+ case 'kanji':
+ return [
+ 'character',
+ 'dictionary',
+ 'glossary',
+ 'kunyomi',
+ 'onyomi',
+ 'screenshot',
+ 'sentence',
+ 'tags',
+ 'url'
+ ];
+ default:
+ return [];
+ }
+}
+
+async function ankiFieldsPopulate(element, options) {
+ const modelName = element.val();
+ if (!modelName) {
+ return;
+ }
+
+ const tab = element.closest('.tab-pane');
+ const tabId = tab.attr('id');
+ const container = tab.find('tbody').empty();
+ const markers = ankiGetFieldMarkers(tabId);
+
+ for (const name of await utilAnkiGetModelFieldNames(modelName)) {
+ const value = options.anki[tabId].fields[name] || '';
+ const html = ankiCreateFieldTemplate(name, value, markers);
+ container.append($(html));
+ }
+
+ tab.find('.anki-field-value').change((e) => onFormOptionsChanged(e));
+ tab.find('.marker-link').click((e) => onAnkiMarkerClicked(e));
+}
+
+function onAnkiMarkerClicked(e) {
+ e.preventDefault();
+ const link = e.target;
+ $(link).closest('.input-group').find('.anki-field-value').val(`{${link.text}}`).trigger('change');
+}
+
+async function onAnkiModelChanged(e) {
+ try {
+ if (!e.originalEvent) {
+ return;
+ }
+
+ const element = $(this);
+ const tab = element.closest('.tab-pane');
+ const tabId = tab.attr('id');
+
+ const optionsContext = getOptionsContext();
+ const options = await apiOptionsGet(optionsContext);
+ await formRead(options);
+ options.anki[tabId].fields = utilBackgroundIsolate({});
+ await settingsSaveOptions();
+
+ ankiSpinnerShow(true);
+ await ankiFieldsPopulate(element, options);
+ ankiErrorShow();
+ } catch (error) {
+ ankiErrorShow(error);
+ } finally {
+ ankiSpinnerShow(false);
+ }
+}
+
+function onAnkiFieldTemplatesReset(e) {
+ e.preventDefault();
+ $('#field-template-reset-modal').modal('show');
+}
+
+async function onAnkiFieldTemplatesResetConfirm(e) {
+ try {
+ e.preventDefault();
+
+ $('#field-template-reset-modal').modal('hide');
+
+ const optionsContext = getOptionsContext();
+ const options = await apiOptionsGet(optionsContext);
+ const fieldTemplates = profileOptionsGetDefaultFieldTemplates();
+ options.anki.fieldTemplates = fieldTemplates;
+ $('#field-templates').val(fieldTemplates);
+ onAnkiTemplatesValidateCompile();
+ await settingsSaveOptions();
+ } catch (error) {
+ ankiErrorShow(error);
+ }
+}
+
+function ankiTemplatesInitialize() {
+ const markers = new Set(ankiGetFieldMarkers('terms').concat(ankiGetFieldMarkers('kanji')));
+ const fragment = ankiGetFieldMarkersHtml(markers);
+
+ const list = document.querySelector('#field-templates-list');
+ list.appendChild(fragment);
+ for (const node of list.querySelectorAll('.marker-link')) {
+ node.addEventListener('click', onAnkiTemplateMarkerClicked, false);
+ }
+
+ $('#field-templates').on('change', (e) => onAnkiTemplatesValidateCompile(e));
+ $('#field-template-render').on('click', (e) => onAnkiTemplateRender(e));
+ $('#field-templates-reset').on('click', (e) => onAnkiFieldTemplatesReset(e));
+ $('#field-templates-reset-confirm').on('click', (e) => onAnkiFieldTemplatesResetConfirm(e));
+}
+
+const ankiTemplatesValidateGetDefinition = (() => {
+ let cachedValue = null;
+ let cachedText = null;
+
+ return async (text, optionsContext) => {
+ if (cachedText !== text) {
+ const {definitions} = await apiTermsFind(text, {}, optionsContext);
+ if (definitions.length === 0) { return null; }
+
+ cachedValue = definitions[0];
+ cachedText = text;
+ }
+ return cachedValue;
+ };
+})();
+
+async function ankiTemplatesValidate(infoNode, field, mode, showSuccessResult, invalidateInput) {
+ const text = document.querySelector('#field-templates-preview-text').value || '';
+ const exceptions = [];
+ let result = `No definition found for ${text}`;
+ try {
+ const optionsContext = getOptionsContext();
+ const definition = await ankiTemplatesValidateGetDefinition(text, optionsContext);
+ if (definition !== null) {
+ const options = await apiOptionsGet(optionsContext);
+ result = await dictFieldFormat(field, definition, mode, options, exceptions);
+ }
+ } catch (e) {
+ exceptions.push(e);
+ }
+
+ const hasException = exceptions.length > 0;
+ infoNode.hidden = !(showSuccessResult || hasException);
+ infoNode.textContent = hasException ? exceptions.map((e) => `${e}`).join('\n') : (showSuccessResult ? result : '');
+ infoNode.classList.toggle('text-danger', hasException);
+ if (invalidateInput) {
+ const input = document.querySelector('#field-templates');
+ input.classList.toggle('is-invalid', hasException);
+ }
+}
+
+function onAnkiTemplatesValidateCompile() {
+ const infoNode = document.querySelector('#field-template-compile-result');
+ ankiTemplatesValidate(infoNode, '{expression}', 'term-kanji', false, true);
+}
+
+function onAnkiTemplateMarkerClicked(e) {
+ e.preventDefault();
+ document.querySelector('#field-template-render-text').value = `{${e.target.textContent}}`;
+}
+
+function onAnkiTemplateRender(e) {
+ e.preventDefault();
+
+ const field = document.querySelector('#field-template-render-text').value;
+ const infoNode = document.querySelector('#field-template-render-result');
+ infoNode.hidden = true;
+ ankiTemplatesValidate(infoNode, field, 'term-kanji', true, false);
+}