material-ui-pickers
Version:
React components, that implements material design pickers for material-ui v1
58 lines (57 loc) • 1.75 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var center = {
x: 260 / 2,
y: 260 / 2,
};
var basePoint = {
x: center.x,
y: 0,
};
var cx = basePoint.x - center.x;
var cy = basePoint.y - center.y;
var rad2deg = function (rad) { return rad * 57.29577951308232; };
var getAngleValue = function (step, offsetX, offsetY) {
var x = offsetX - center.x;
var y = offsetY - center.y;
var atan = Math.atan2(cx, cy) - Math.atan2(x, y);
var deg = rad2deg(atan);
deg = Math.round(deg / step) * step;
deg %= 360;
var value = Math.floor(deg / step) || 0;
var delta = Math.pow(x, 2) + Math.pow(y, 2);
var distance = Math.sqrt(delta);
return { value: value, distance: distance };
};
exports.getHours = function (offsetX, offsetY, ampm) {
// tslint:disable-next-line
var _a = getAngleValue(30, offsetX, offsetY), value = _a.value, distance = _a.distance;
value = value || 12;
if (!ampm) {
if (distance < 90) {
value += 12;
value %= 24;
}
}
else {
value %= 12;
}
return value;
};
exports.getMinutes = function (offsetX, offsetY, step) {
if (step === void 0) { step = 1; }
var angleStep = step * 6;
var value = getAngleValue(angleStep, offsetX, offsetY).value;
value = (value * step) % 60;
return value;
};
exports.convertToMeridiem = function (time, meridiem, ampm, utils) {
if (ampm) {
var currentMeridiem = utils.getHours(time) >= 12 ? 'pm' : 'am';
if (currentMeridiem !== meridiem) {
var hours = meridiem === 'am' ? utils.getHours(time) - 12 : utils.getHours(time) + 12;
return utils.setHours(time, hours);
}
}
return time;
};