142 lines
4.3 KiB
JavaScript
142 lines
4.3 KiB
JavaScript
/*
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* Copyright (C) 2019 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 AudioSourceUI {
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static instantiateTemplate(templateSelector) {
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const template = document.querySelector(templateSelector);
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const content = document.importNode(template.content, true);
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return content.firstChild;
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}
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}
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AudioSourceUI.Container = class Container {
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constructor(audioSources, container, addButton) {
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this.audioSources = audioSources;
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this.container = container;
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this.addButton = addButton;
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this.children = [];
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this.container.textContent = '';
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for (const audioSource of toIterable(audioSources)) {
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this.children.push(new AudioSourceUI.AudioSource(this, audioSource, this.children.length));
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}
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this._clickListener = () => this.onAddAudioSource();
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this.addButton.addEventListener('click', this._clickListener, false);
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}
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cleanup() {
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for (const child of this.children) {
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child.cleanup();
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}
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this.addButton.removeEventListener('click', this._clickListener, false);
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this.container.textContent = '';
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this._clickListener = null;
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}
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save() {
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// Override
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}
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remove(child) {
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const index = this.children.indexOf(child);
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if (index < 0) {
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return;
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}
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child.cleanup();
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this.children.splice(index, 1);
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this.audioSources.splice(index, 1);
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for (let i = index; i < this.children.length; ++i) {
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this.children[i].index = i;
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}
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}
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onAddAudioSource() {
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const audioSource = this.getUnusedAudioSource();
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this.audioSources.push(audioSource);
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this.save();
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this.children.push(new AudioSourceUI.AudioSource(this, audioSource, this.children.length));
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}
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getUnusedAudioSource() {
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const audioSourcesAvailable = [
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'jpod101',
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'jpod101-alternate',
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'jisho',
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'custom'
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];
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for (const source of audioSourcesAvailable) {
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if (this.audioSources.indexOf(source) < 0) {
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return source;
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}
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}
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return audioSourcesAvailable[0];
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}
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};
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AudioSourceUI.AudioSource = class AudioSource {
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constructor(parent, audioSource, index) {
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this.parent = parent;
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this.audioSource = audioSource;
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this.index = index;
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this.container = AudioSourceUI.instantiateTemplate('#audio-source-template');
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this.select = this.container.querySelector('.audio-source-select');
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this.removeButton = this.container.querySelector('.audio-source-remove');
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this.select.value = audioSource;
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this._selectChangeListener = () => this.onSelectChanged();
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this._removeClickListener = () => this.onRemoveClicked();
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this.select.addEventListener('change', this._selectChangeListener, false);
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this.removeButton.addEventListener('click', this._removeClickListener, false);
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parent.container.appendChild(this.container);
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}
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cleanup() {
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this.select.removeEventListener('change', this._selectChangeListener, false);
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this.removeButton.removeEventListener('click', this._removeClickListener, false);
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if (this.container.parentNode !== null) {
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this.container.parentNode.removeChild(this.container);
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}
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}
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save() {
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this.parent.save();
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}
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onSelectChanged() {
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this.audioSource = this.select.value;
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this.parent.audioSources[this.index] = this.audioSource;
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this.save();
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}
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onRemoveClicked() {
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this.parent.remove(this);
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this.save();
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}
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};
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