BlueMapWeb/src/controls/KeyCombination.js

78 lines
2.6 KiB
JavaScript

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
export class KeyCombination {
static CTRL = 0;
static SHIFT = 1;
static ALT = 2;
/**
* @param code {string}
* @param modifiers {...number}
*/
constructor(code, ...modifiers) {
this.code = code;
this.ctrl = modifiers.includes(KeyCombination.CTRL) || this.code === "CtrlLeft" || this.code === "CtrlRight";
this.shift = modifiers.includes(KeyCombination.SHIFT) || this.code === "ShiftLeft" || this.code === "ShiftRight";
this.alt = modifiers.includes(KeyCombination.ALT) || this.code === "AltLeft" || this.code === "AltRight";
}
/**
* @param evt {KeyboardEvent}
* @returns {boolean}
*/
testDown(evt) {
return this.code === evt.code &&
this.ctrl === evt.ctrlKey &&
this.shift === evt.shiftKey &&
this.alt === evt.altKey;
}
/**
* @param evt {KeyboardEvent}
* @returns {boolean}
*/
testUp(evt) {
return this.code === evt.code;
}
static oneDown(evt, ...combinations) {
for (let combination of combinations){
if (combination.testDown(evt)) return true;
}
return false;
}
static oneUp(evt, ...combinations) {
for (let combination of combinations){
if (combination.testUp(evt)) return true;
}
return false;
}
}