371 lines
11 KiB
JavaScript
371 lines
11 KiB
JavaScript
/*
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* Copyright (C) 2017 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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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 <http://www.gnu.org/licenses/>.
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*/
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class Display {
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constructor(spinner, container) {
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this.spinner = spinner;
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this.container = container;
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this.definitions = [];
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this.options = null;
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this.context = null;
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this.sequence = 0;
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this.index = 0;
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this.audioCache = {};
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this.responseCache = {};
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$(document).keydown(this.onKeyDown.bind(this));
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}
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definitionAdd(definition, mode) {
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throw 'override me';
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}
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definitionsAddable(definitions, modes) {
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throw 'override me';
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}
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templateRender(template, data) {
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throw 'override me';
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}
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kanjiFind(character) {
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throw 'override me';
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}
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handleError(error) {
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throw 'override me';
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}
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clearSearch() {
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throw 'override me';
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}
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showTermDefs(definitions, options, context) {
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window.focus();
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this.spinner.hide();
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this.definitions = definitions;
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this.options = options;
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this.context = context;
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const sequence = ++this.sequence;
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const params = {
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definitions,
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addable: options.anki.enable,
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grouped: options.general.groupResults,
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playback: options.general.audioSource !== 'disabled'
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};
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if (context) {
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for (const definition of definitions) {
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definition.cloze = clozeBuild(context.sentence, definition.source);
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definition.url = context.url;
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}
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}
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this.templateRender('terms.html', params).then(content => {
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this.container.html(content);
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this.entryScroll(context && context.index || 0);
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$('.action-add-note').click(this.onAddNote.bind(this));
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$('.action-play-audio').click(this.onPlayAudio.bind(this));
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$('.kanji-link').click(this.onKanjiLookup.bind(this));
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return this.adderButtonsUpdate(['term-kanji', 'term-kana'], sequence);
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}).catch(this.handleError.bind(this));
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}
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showKanjiDefs(definitions, options, context) {
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window.focus();
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this.spinner.hide();
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this.definitions = definitions;
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this.options = options;
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this.context = context;
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const sequence = ++this.sequence;
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const params = {
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definitions,
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source: context && context.source,
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addable: options.anki.enable
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};
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if (context) {
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for (const definition of definitions) {
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definition.cloze = clozeBuild(context.sentence);
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definition.url = context.url;
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}
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}
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this.templateRender('kanji.html', params).then(content => {
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this.container.html(content);
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this.entryScroll(context && context.index || 0);
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$('.action-add-note').click(this.onAddNote.bind(this));
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$('.source-term').click(this.onSourceTerm.bind(this));
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return this.adderButtonsUpdate(['kanji'], sequence);
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}).catch(this.handleError.bind(this));
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}
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adderButtonsUpdate(modes, sequence) {
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return this.definitionsAddable(this.definitions, modes).then(states => {
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if (states === null || sequence !== this.sequence) {
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return;
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}
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states.forEach((state, index) => {
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for (const mode in state) {
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const button = Display.adderButtonFind(index, mode);
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if (state[mode]) {
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button.removeClass('disabled');
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} else {
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button.addClass('disabled');
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}
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button.removeClass('pending');
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}
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});
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});
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}
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entryScroll(index, smooth) {
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index = Math.min(index, this.definitions.length - 1);
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index = Math.max(index, 0);
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$('.current').hide().eq(index).show();
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const container = $('html,body').stop();
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const entry = $('.entry').eq(index);
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const target = index === 0 ? 0 : entry.offset().top;
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if (smooth) {
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container.animate({scrollTop: target}, 200);
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} else {
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container.scrollTop(target);
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}
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this.index = index;
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}
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onSourceTerm(e) {
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e.preventDefault();
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this.sourceBack();
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}
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onKanjiLookup(e) {
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e.preventDefault();
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const link = $(e.target);
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const context = {
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source: {
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definitions: this.definitions,
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index: Display.entryIndexFind(link)
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}
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};
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if (this.context) {
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context.sentence = this.context.sentence;
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context.url = this.context.url;
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}
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this.kanjiFind(link.text()).then(kanjiDefs => {
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this.showKanjiDefs(kanjiDefs, this.options, context);
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}).catch(this.handleError.bind(this));
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}
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onPlayAudio(e) {
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e.preventDefault();
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const index = Display.entryIndexFind($(e.currentTarget));
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this.audioPlay(this.definitions[index]);
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}
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onAddNote(e) {
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e.preventDefault();
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const link = $(e.currentTarget);
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const index = Display.entryIndexFind(link);
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this.noteAdd(this.definitions[index], link.data('mode'));
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}
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onKeyDown(e) {
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const noteTryAdd = mode => {
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const button = Display.adderButtonFind(this.index, mode);
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if (button.length !== 0 && !button.hasClass('disabled')) {
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this.noteAdd(this.definitions[this.index], mode);
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}
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};
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const handlers = {
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27: /* escape */ () => {
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this.clearSearch();
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return true;
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},
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33: /* page up */ () => {
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if (e.altKey) {
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this.entryScroll(this.index - 3, true);
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return true;
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}
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},
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34: /* page down */ () => {
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if (e.altKey) {
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this.entryScroll(this.index + 3, true);
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return true;
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}
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},
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35: /* end */ () => {
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if (e.altKey) {
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this.entryScroll(this.definitions.length - 1, true);
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return true;
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}
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},
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36: /* home */ () => {
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if (e.altKey) {
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this.entryScroll(0, true);
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return true;
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}
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},
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38: /* up */ () => {
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if (e.altKey) {
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this.entryScroll(this.index - 1, true);
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return true;
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}
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},
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40: /* down */ () => {
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if (e.altKey) {
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this.entryScroll(this.index + 1, true);
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return true;
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}
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},
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66: /* b */ () => {
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if (e.altKey) {
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this.sourceBack();
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return true;
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}
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},
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69: /* e */ () => {
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if (e.altKey) {
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noteTryAdd('term-kanji');
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return true;
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}
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},
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75: /* k */ () => {
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if (e.altKey) {
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noteTryAdd('kanji');
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return true;
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}
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},
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82: /* r */ () => {
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if (e.altKey) {
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noteTryAdd('term-kana');
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return true;
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}
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},
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80: /* p */ () => {
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if (e.altKey) {
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if ($('.entry').eq(this.index).data('type') === 'term') {
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this.audioPlay(this.definitions[this.index]);
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}
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return true;
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}
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}
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};
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const handler = handlers[e.keyCode];
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if (handler && handler()) {
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e.preventDefault();
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}
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}
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sourceBack() {
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if (this.context && this.context.source) {
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const context = {
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url: this.context.source.url,
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sentence: this.context.source.sentence,
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index: this.context.source.index
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};
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this.showTermDefs(this.context.source.definitions, this.options, context);
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}
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}
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noteAdd(definition, mode) {
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this.spinner.show();
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return this.definitionAdd(definition, mode).then(success => {
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if (success) {
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const index = this.definitions.indexOf(definition);
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Display.adderButtonFind(index, mode).addClass('disabled');
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} else {
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this.handleError('note could not be added');
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}
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}).catch(this.handleError.bind(this)).then(() => this.spinner.hide());
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}
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audioPlay(definition) {
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this.spinner.show();
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for (const key in this.audioCache) {
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this.audioCache[key].pause();
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}
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audioBuildUrl(definition, this.options.general.audioSource, this.responseCache).then(url => {
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if (!url) {
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url = '/mixed/mp3/button.mp3';
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}
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let audio = this.audioCache[url];
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if (audio) {
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audio.currentTime = 0;
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audio.volume = this.options.general.audioVolume / 100.0;
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audio.play();
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} else {
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audio = new Audio(url);
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audio.onloadeddata = () => {
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if (audio.duration === 5.694694 || audio.duration === 5.720718) {
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audio = new Audio('/mixed/mp3/button.mp3');
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}
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this.audioCache[url] = audio;
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audio.volume = this.options.general.audioVolume / 100.0;
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audio.play();
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};
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}
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}).catch(this.handleError.bind(this)).then(() => this.spinner.hide());
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}
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static entryIndexFind(element) {
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return $('.entry').index(element.closest('.entry'));
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}
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static adderButtonFind(index, mode) {
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return $('.entry').eq(index).find(`.action-add-note[data-mode="${mode}"]`);
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}
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}
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