188 lines
5.7 KiB
JavaScript
188 lines
5.7 KiB
JavaScript
/*
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* Copyright (C) 2016-2017 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 DisplaySearch extends Display {
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constructor() {
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super(document.querySelector('#spinner'), document.querySelector('#content'));
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this.optionsContext = {
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depth: 0,
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url: window.location.href
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};
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this.search = document.querySelector('#search');
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this.query = document.querySelector('#query');
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this.intro = document.querySelector('#intro');
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this.introVisible = true;
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this.introAnimationTimer = null;
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}
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static create() {
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const instance = new DisplaySearch();
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instance.prepare();
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return instance;
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}
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async prepare() {
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try {
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await this.initialize();
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if (this.search !== null) {
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this.search.addEventListener('click', (e) => this.onSearch(e), false);
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}
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if (this.query !== null) {
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this.query.addEventListener('input', () => this.onSearchInput(), false);
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const query = DisplaySearch.getSearchQueryFromLocation(window.location.href);
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if (query !== null) {
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this.query.value = window.wanakana.toKana(query);
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this.onSearchQueryUpdated(query, false);
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}
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window.wanakana.bind(this.query);
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}
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this.updateSearchButton();
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} catch (e) {
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this.onError(e);
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}
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}
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onError(error) {
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logError(error, true);
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}
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onSearchClear() {
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if (this.query === null) {
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return;
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}
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this.query.focus();
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this.query.select();
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}
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onSearchInput() {
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this.updateSearchButton();
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}
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onSearch(e) {
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if (this.query === null) {
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return;
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}
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e.preventDefault();
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const query = this.query.value;
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const queryString = query.length > 0 ? `?query=${encodeURIComponent(query)}` : '';
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window.history.replaceState(null, '', `${window.location.pathname}${queryString}`);
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this.onSearchQueryUpdated(query, true);
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}
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async onSearchQueryUpdated(query, animate) {
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try {
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const valid = (query.length > 0);
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this.setIntroVisible(!valid, animate);
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this.updateSearchButton();
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if (valid) {
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const {definitions} = await apiTermsFind(query, this.optionsContext);
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this.termsShow(definitions, {
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focus: false,
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sentence: null,
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url: window.location.href
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});
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} else {
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this.container.textContent = '';
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}
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} catch (e) {
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this.onError(e);
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}
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}
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getOptionsContext() {
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return this.optionsContext;
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}
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setIntroVisible(visible, animate) {
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if (this.introVisible === visible) {
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return;
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}
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this.introVisible = visible;
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if (this.intro === null) {
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return;
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}
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if (this.introAnimationTimer !== null) {
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clearTimeout(this.introAnimationTimer);
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this.introAnimationTimer = null;
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}
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if (visible) {
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this.showIntro(animate);
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} else {
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this.hideIntro(animate);
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}
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}
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showIntro(animate) {
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if (animate) {
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const duration = 0.4;
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this.intro.style.transition = '';
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this.intro.style.height = '';
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const size = this.intro.getBoundingClientRect();
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this.intro.style.height = `0px`;
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this.intro.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation
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this.intro.style.height = `${size.height}px`;
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this.introAnimationTimer = setTimeout(() => {
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this.intro.style.height = '';
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this.introAnimationTimer = null;
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}, duration * 1000);
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} else {
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this.intro.style.transition = '';
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this.intro.style.height = '';
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}
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}
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hideIntro(animate) {
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if (animate) {
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const duration = 0.4;
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const size = this.intro.getBoundingClientRect();
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this.intro.style.height = `${size.height}px`;
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this.intro.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation
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} else {
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this.intro.style.transition = '';
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}
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this.intro.style.height = '0';
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}
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updateSearchButton() {
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this.search.disabled = this.introVisible && (this.query === null || this.query.value.length === 0);
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}
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static getSearchQueryFromLocation(url) {
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let match = /^[^\?#]*\?(?:[^&#]*&)?query=([^&#]*)/.exec(url);
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return match !== null ? decodeURIComponent(match[1]) : null;
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}
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}
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window.yomichan_search = DisplaySearch.create();
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