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54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
import {Component} from "./component";
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/**
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* Keys to ignore when recording shortcuts.
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* @type {string[]}
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*/
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const ignoreKeys = ['Control', 'Alt', 'Shift', 'Meta', 'Super', ' ', '+', 'Tab', 'Escape'];
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export class ShortcutInput extends Component {
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setup() {
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this.input = this.$el;
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this.setupListeners();
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}
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setupListeners() {
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this.listenerRecordKey = this.listenerRecordKey.bind(this);
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this.input.addEventListener('focus', () => {
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this.startListeningForInput();
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});
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this.input.addEventListener('blur', () => {
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this.stopListeningForInput();
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})
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}
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startListeningForInput() {
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this.input.addEventListener('keydown', this.listenerRecordKey)
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}
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/**
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* @param {KeyboardEvent} event
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*/
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listenerRecordKey(event) {
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if (ignoreKeys.includes(event.key)) {
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return;
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}
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const keys = [
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event.ctrlKey ? 'Ctrl' : '',
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event.metaKey ? 'Cmd' : '',
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event.key,
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];
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this.input.value = keys.filter(s => Boolean(s)).join(' + ');
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}
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stopListeningForInput() {
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this.input.removeEventListener('keydown', this.listenerRecordKey);
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}
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} |