medsurf-draw/dist/lib/helper/Keyboard.js

Draw annotations on jpg/zoomify images, based on PIXI.js

var Events = require('nom-events');
var CKeyboard = (function () {
    function CKeyboard() {
        this.keyStates = new Map();
        this.events = new Events();
    }
    CKeyboard.prototype.clear = function () {
        this.keyStates.clear();
    };
    CKeyboard.prototype.update = function () {
        var _this = this;
        this.keyStates.forEach(function (value, keyCode) {
            var event = _this.keyStates.get(keyCode);
            event.alreadyPressed = true;
            if (event.wasReleased) {
                _this.keyStates.delete(keyCode);
            }
            Keyboard.events.call('down', keyCode, event);
            Keyboard.events.call('down_' + keyCode, keyCode, event);
        });
    };
    CKeyboard.prototype.isKeyDown = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var result = false;
        for (var _a = 0, args_1 = args; _a < args_1.length; _a++) {
            var keyCode = args_1[_a];
            var event_1 = this.keyStates.get(keyCode);
            if (event_1 && !event_1.wasReleased)
                result = true;
        }
        return result;
    };
    CKeyboard.prototype.isKeyUp = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        return !this.isKeyDown(args);
    };
    CKeyboard.prototype.isKeyPressed = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var result = false;
        if (args.length == 0)
            return false;
        for (var _a = 0, args_2 = args; _a < args_2.length; _a++) {
            var keyCode = args_2[_a];
            var event_2 = this.keyStates.get(keyCode);
            if (event_2 && !event_2.wasReleased && !event_2.alreadyPressed)
                result = true;
        }
        return result;
    };
    CKeyboard.prototype.isKeyReleased = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var result = false;
        if (args.length == 0)
            return false;
        for (var _a = 0, args_3 = args; _a < args_3.length; _a++) {
            var keyCode = args_3[_a];
            var event_3 = this.keyStates.get(keyCode);
            if (event_3 && event_3.wasReleased)
                result = true;
        }
        return result;
    };
    return CKeyboard;
}());
var Keyboard = new CKeyboard();
window.addEventListener("keydown", function (event) {
    if (!Keyboard.keyStates.get(event.code)) {
        Keyboard.keyStates.set(event.code, event);
        Keyboard.events.call('pressed', event.code, event);
        Keyboard.events.call('pressed_' + event.code, event.code, event);
    }
}, false);
window.addEventListener("keyup", function (event) {
    event = Keyboard.keyStates.get(event.code);
    if (event) {
        event.wasReleased = true;
        Keyboard.events.call('released', event.code, event);
        Keyboard.events.call('released_' + event.code, event.code, event);
    }
}, false);
export { Keyboard };
//# sourceMappingURL=Keyboard.js.map