83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
/*
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* This file Copyright (C) 2020 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*/
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import { createDialogContainer } from './utils.js';
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export class ShortcutsDialog extends EventTarget {
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constructor(action_manager) {
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super();
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this.elements = ShortcutsDialog._create(action_manager);
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this.elements.dismiss.addEventListener('click', () => this._onDismiss());
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document.body.append(this.elements.root);
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this.elements.dismiss.focus();
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}
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close() {
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this.elements.root.remove();
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this.dispatchEvent(new Event('close'));
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delete this.elements;
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}
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_onDismiss() {
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this.close();
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}
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static _create(action_manager) {
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const elements = createDialogContainer('shortcuts-dialog');
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elements.root.setAttribute('aria-label', 'Keyboard Shortcuts');
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const table = document.createElement('table');
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const thead = document.createElement('thead');
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table.append(thead);
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let tr = document.createElement('tr');
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thead.append(tr);
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let th = document.createElement('th');
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th.textContent = 'Key';
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tr.append(th);
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th = document.createElement('th');
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th.textContent = 'Action';
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tr.append(th);
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const tbody = document.createElement('tbody');
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table.append(tbody);
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const o = {};
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for (const [shortcut, name] of action_manager.allShortcuts().entries()) {
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const tokens = shortcut.split('+');
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const sortKey = [tokens.pop(), ...tokens].join('+');
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o[sortKey] = { name, shortcut };
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}
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for (const [, values] of Object.entries(o).sort()) {
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const { name, shortcut } = values;
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tr = document.createElement('tr');
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tbody.append(tr);
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let td = document.createElement('td');
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td.textContent = shortcut.replaceAll('+', ' + ');
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tr.append(td);
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td = document.createElement('td');
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td.textContent = action_manager.text(name);
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tr.append(td);
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}
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elements.heading.textContent = 'Transmission';
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elements.dismiss.textContent = 'Close';
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elements.heading.textContent = 'Keyboard shortcuts';
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elements.message.append(table);
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elements.confirm.remove();
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delete elements.confirm;
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return elements;
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}
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}
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