|
- import _toConsumableArray from 'babel-runtime/helpers/toConsumableArray';
- import { findDOMNode } from 'react-dom';
- import keyCode from 'rc-util/es/KeyCode';
-
- export function isEventFromHandle(e, handles) {
- try {
- return Object.keys(handles).some(function (key) {
- return e.target === findDOMNode(handles[key]);
- });
- } catch (error) {
- return false;
- }
- }
-
- export function isValueOutOfRange(value, _ref) {
- var min = _ref.min,
- max = _ref.max;
-
- return value < min || value > max;
- }
-
- export function isNotTouchEvent(e) {
- return e.touches.length > 1 || e.type.toLowerCase() === 'touchend' && e.touches.length > 0;
- }
-
- export function getClosestPoint(val, _ref2) {
- var marks = _ref2.marks,
- step = _ref2.step,
- min = _ref2.min,
- max = _ref2.max;
-
- var points = Object.keys(marks).map(parseFloat);
- if (step !== null) {
- var maxSteps = Math.floor((max - min) / step);
- var steps = Math.min((val - min) / step, maxSteps);
- var closestStep = Math.round(steps) * step + min;
- points.push(closestStep);
- }
- var diffs = points.map(function (point) {
- return Math.abs(val - point);
- });
- return points[diffs.indexOf(Math.min.apply(Math, _toConsumableArray(diffs)))];
- }
-
- export function getPrecision(step) {
- var stepString = step.toString();
- var precision = 0;
- if (stepString.indexOf('.') >= 0) {
- precision = stepString.length - stepString.indexOf('.') - 1;
- }
- return precision;
- }
-
- export function getMousePosition(vertical, e) {
- return vertical ? e.clientY : e.pageX;
- }
-
- export function getTouchPosition(vertical, e) {
- return vertical ? e.touches[0].clientY : e.touches[0].pageX;
- }
-
- export function getHandleCenterPosition(vertical, handle) {
- var coords = handle.getBoundingClientRect();
- return vertical ? coords.top + coords.height * 0.5 : window.pageXOffset + coords.left + coords.width * 0.5;
- }
-
- export function ensureValueInRange(val, _ref3) {
- var max = _ref3.max,
- min = _ref3.min;
-
- if (val <= min) {
- return min;
- }
- if (val >= max) {
- return max;
- }
- return val;
- }
-
- export function ensureValuePrecision(val, props) {
- var step = props.step;
-
- var closestPoint = isFinite(getClosestPoint(val, props)) ? getClosestPoint(val, props) : 0; // eslint-disable-line
- return step === null ? closestPoint : parseFloat(closestPoint.toFixed(getPrecision(step)));
- }
-
- export function pauseEvent(e) {
- e.stopPropagation();
- e.preventDefault();
- }
-
- export function calculateNextValue(func, value, props) {
- var operations = {
- increase: function increase(a, b) {
- return a + b;
- },
- decrease: function decrease(a, b) {
- return a - b;
- }
- };
-
- var indexToGet = operations[func](Object.keys(props.marks).indexOf(JSON.stringify(value)), 1);
- var keyToGet = Object.keys(props.marks)[indexToGet];
-
- if (props.step) {
- return operations[func](value, props.step);
- } else if (!!Object.keys(props.marks).length && !!props.marks[keyToGet]) {
- return props.marks[keyToGet];
- }
- return value;
- }
-
- export function getKeyboardValueMutator(e, vertical, reverse) {
- var increase = 'increase';
- var decrease = 'decrease';
- var method = increase;
- switch (e.keyCode) {
- case keyCode.UP:
- method = vertical && reverse ? decrease : increase;break;
- case keyCode.RIGHT:
- method = !vertical && reverse ? decrease : increase;break;
- case keyCode.DOWN:
- method = vertical && reverse ? increase : decrease;break;
- case keyCode.LEFT:
- method = !vertical && reverse ? increase : decrease;break;
-
- case keyCode.END:
- return function (value, props) {
- return props.max;
- };
- case keyCode.HOME:
- return function (value, props) {
- return props.min;
- };
- case keyCode.PAGE_UP:
- return function (value, props) {
- return value + props.step * 2;
- };
- case keyCode.PAGE_DOWN:
- return function (value, props) {
- return value - props.step * 2;
- };
-
- default:
- return undefined;
- }
- return function (value, props) {
- return calculateNextValue(method, value, props);
- };
- }
|