381 lines
12 KiB
JavaScript
381 lines
12 KiB
JavaScript
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import React, { Component } from 'react';
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import { classNames } from 'primereact/utils';
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function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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function _defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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function _createClass(Constructor, protoProps, staticProps) {
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if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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if (staticProps) _defineProperties(Constructor, staticProps);
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Object.defineProperty(Constructor, "prototype", {
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writable: false
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});
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return Constructor;
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}
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function _assertThisInitialized(self) {
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if (self === void 0) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return self;
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}
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function _setPrototypeOf(o, p) {
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_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
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o.__proto__ = p;
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return o;
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};
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return _setPrototypeOf(o, p);
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}
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function _inherits(subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function");
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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writable: true,
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configurable: true
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}
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});
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Object.defineProperty(subClass, "prototype", {
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writable: false
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});
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if (superClass) _setPrototypeOf(subClass, superClass);
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}
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function _typeof(obj) {
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"@babel/helpers - typeof";
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return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
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return typeof obj;
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} : function (obj) {
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return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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}, _typeof(obj);
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}
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function _possibleConstructorReturn(self, call) {
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if (call && (_typeof(call) === "object" || typeof call === "function")) {
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return call;
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} else if (call !== void 0) {
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throw new TypeError("Derived constructors may only return object or undefined");
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}
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return _assertThisInitialized(self);
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}
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function _getPrototypeOf(o) {
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_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
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return o.__proto__ || Object.getPrototypeOf(o);
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};
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return _getPrototypeOf(o);
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
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function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
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var Knob = /*#__PURE__*/function (_Component) {
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_inherits(Knob, _Component);
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var _super = _createSuper(Knob);
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function Knob(props) {
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var _this;
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_classCallCheck(this, Knob);
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_this = _super.call(this, props);
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_this.state = {};
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_this.radius = 40;
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_this.midX = 50;
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_this.midY = 50;
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_this.minRadians = 4 * Math.PI / 3;
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_this.maxRadians = -Math.PI / 3;
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_this.onClick = _this.onClick.bind(_assertThisInitialized(_this));
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_this.onMouseDown = _this.onMouseDown.bind(_assertThisInitialized(_this));
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_this.onMouseUp = _this.onMouseUp.bind(_assertThisInitialized(_this));
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_this.onTouchStart = _this.onTouchStart.bind(_assertThisInitialized(_this));
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_this.onTouchEnd = _this.onTouchEnd.bind(_assertThisInitialized(_this));
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_this.onMouseMove = _this.onMouseMove.bind(_assertThisInitialized(_this));
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_this.onTouchMove = _this.onTouchMove.bind(_assertThisInitialized(_this));
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return _this;
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}
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_createClass(Knob, [{
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key: "updateValue",
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value: function updateValue(offsetX, offsetY) {
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var dx = offsetX - this.props.size / 2;
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var dy = this.props.size / 2 - offsetY;
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var angle = Math.atan2(dy, dx);
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var start = -Math.PI / 2 - Math.PI / 6;
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this.updateModel(angle, start);
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}
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}, {
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key: "updateModel",
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value: function updateModel(angle, start) {
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var mappedValue;
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if (angle > this.maxRadians) mappedValue = this.mapRange(angle, this.minRadians, this.maxRadians, this.props.min, this.props.max);else if (angle < start) mappedValue = this.mapRange(angle + 2 * Math.PI, this.minRadians, this.maxRadians, this.props.min, this.props.max);else return;
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if (this.props.onChange) {
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var newValue = Math.round((mappedValue - this.props.min) / this.props.step) * this.props.step + this.props.min;
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this.props.onChange({
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value: newValue
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});
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}
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}
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}, {
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key: "mapRange",
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value: function mapRange(x, inMin, inMax, outMin, outMax) {
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return (x - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;
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}
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}, {
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key: "onClick",
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value: function onClick(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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this.updateValue(event.nativeEvent.offsetX, event.nativeEvent.offsetY);
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}
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}
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}, {
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key: "onMouseDown",
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value: function onMouseDown(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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this.windowMouseMoveListener = this.onMouseMove;
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this.windowMouseUpListener = this.onMouseUp;
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window.addEventListener('mousemove', this.windowMouseMoveListener);
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window.addEventListener('mouseup', this.windowMouseUpListener);
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event.preventDefault();
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}
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}
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}, {
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key: "onMouseUp",
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value: function onMouseUp(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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window.removeEventListener('mousemove', this.windowMouseMoveListener);
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window.removeEventListener('mouseup', this.windowMouseUpListener);
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this.windowMouseMoveListener = null;
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this.windowMouseUpListener = null;
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event.preventDefault();
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}
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}
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}, {
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key: "onTouchStart",
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value: function onTouchStart(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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this.windowTouchMoveListener = this.onTouchMove;
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this.windowTouchEndListener = this.onTouchEnd;
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window.addEventListener('touchmove', this.windowTouchMoveListener, {
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passive: false,
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cancelable: false
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});
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window.addEventListener('touchend', this.windowTouchEndListener);
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}
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}
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}, {
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key: "onTouchEnd",
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value: function onTouchEnd(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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window.removeEventListener('touchmove', this.windowTouchMoveListener);
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window.removeEventListener('touchend', this.windowTouchEndListener);
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this.windowTouchMoveListener = null;
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this.windowTouchEndListener = null;
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}
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}
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}, {
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key: "onMouseMove",
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value: function onMouseMove(event) {
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if (!this.props.disabled && !this.props.readOnly) {
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this.updateValue(event.offsetX, event.offsetY);
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event.preventDefault();
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}
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}
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}, {
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key: "onTouchMove",
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value: function onTouchMove(event) {
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if (!this.props.disabled && !this.props.readOnly && event.touches.length === 1) {
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var rect = this.element.getBoundingClientRect();
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var touch = event.targetTouches.item(0);
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var offsetX = touch.clientX - rect.left;
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var offsetY = touch.clientY - rect.top;
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this.updateValue(offsetX, offsetY);
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event.preventDefault();
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}
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}
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}, {
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key: "rangePath",
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value: function rangePath() {
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return "M ".concat(this.minX(), " ").concat(this.minY(), " A ").concat(this.radius, " ").concat(this.radius, " 0 1 1 ").concat(this.maxX(), " ").concat(this.maxY());
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}
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}, {
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key: "valuePath",
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value: function valuePath() {
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return "M ".concat(this.zeroX(), " ").concat(this.zeroY(), " A ").concat(this.radius, " ").concat(this.radius, " 0 ").concat(this.largeArc(), " ").concat(this.sweep(), " ").concat(this.valueX(), " ").concat(this.valueY());
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}
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}, {
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key: "zeroRadians",
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value: function zeroRadians() {
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if (this.props.min > 0 && this.props.max > 0) return this.mapRange(this.props.min, this.props.min, this.props.max, this.minRadians, this.maxRadians);else return this.mapRange(0, this.props.min, this.props.max, this.minRadians, this.maxRadians);
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}
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}, {
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key: "valueRadians",
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value: function valueRadians() {
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return this.mapRange(this.props.value, this.props.min, this.props.max, this.minRadians, this.maxRadians);
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}
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}, {
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key: "minX",
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value: function minX() {
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return this.midX + Math.cos(this.minRadians) * this.radius;
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}
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}, {
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key: "minY",
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value: function minY() {
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return this.midY - Math.sin(this.minRadians) * this.radius;
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}
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}, {
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key: "maxX",
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value: function maxX() {
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return this.midX + Math.cos(this.maxRadians) * this.radius;
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}
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}, {
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key: "maxY",
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value: function maxY() {
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return this.midY - Math.sin(this.maxRadians) * this.radius;
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}
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}, {
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key: "zeroX",
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value: function zeroX() {
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return this.midX + Math.cos(this.zeroRadians()) * this.radius;
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}
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}, {
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key: "zeroY",
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value: function zeroY() {
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return this.midY - Math.sin(this.zeroRadians()) * this.radius;
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}
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}, {
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key: "valueX",
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value: function valueX() {
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return this.midX + Math.cos(this.valueRadians()) * this.radius;
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}
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}, {
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key: "valueY",
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value: function valueY() {
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return this.midY - Math.sin(this.valueRadians()) * this.radius;
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}
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}, {
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key: "largeArc",
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value: function largeArc() {
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return Math.abs(this.zeroRadians() - this.valueRadians()) < Math.PI ? 0 : 1;
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}
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}, {
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key: "sweep",
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value: function sweep() {
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return this.valueRadians() > this.zeroRadians() ? 0 : 1;
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}
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}, {
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key: "valueToDisplay",
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value: function valueToDisplay() {
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return this.props.valueTemplate.replace("{value}", this.props.value.toString());
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}
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}, {
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key: "render",
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value: function render() {
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var _this2 = this;
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var containerClassName = classNames('p-knob p-component', {
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'p-disabled': this.props.disabled
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}, this.props.className);
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var text = this.props.showValue && /*#__PURE__*/React.createElement("text", {
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x: 50,
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y: 57,
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textAnchor: 'middle',
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fill: this.props.textColor,
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className: 'p-knob-text',
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name: this.props.name
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}, this.valueToDisplay());
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return /*#__PURE__*/React.createElement("div", {
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id: this.props.id,
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className: containerClassName,
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style: this.props.style,
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ref: function ref(el) {
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return _this2.element = el;
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}
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}, /*#__PURE__*/React.createElement("svg", {
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viewBox: "0 0 100 100",
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width: this.props.size,
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height: this.props.size,
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onClick: this.onClick,
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onMouseDown: this.onMouseDown,
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onMouseUp: this.onMouseUp,
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onTouchStart: this.onTouchStart,
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onTouchEnd: this.onTouchEnd
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}, /*#__PURE__*/React.createElement("path", {
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d: this.rangePath(),
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strokeWidth: this.props.strokeWidth,
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stroke: this.props.rangeColor,
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className: 'p-knob-range'
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}), /*#__PURE__*/React.createElement("path", {
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d: this.valuePath(),
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strokeWidth: this.props.strokeWidth,
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stroke: this.props.valueColor,
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className: 'p-knob-value'
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}), text));
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}
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}]);
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|
|
|
||
|
|
return Knob;
|
||
|
|
}(Component);
|
||
|
|
|
||
|
|
_defineProperty(Knob, "defaultProps", {
|
||
|
|
id: null,
|
||
|
|
style: null,
|
||
|
|
className: null,
|
||
|
|
value: null,
|
||
|
|
size: 100,
|
||
|
|
disabled: false,
|
||
|
|
readOnly: false,
|
||
|
|
showValue: true,
|
||
|
|
step: 1,
|
||
|
|
min: 0,
|
||
|
|
max: 100,
|
||
|
|
strokeWidth: 14,
|
||
|
|
name: null,
|
||
|
|
valueColor: 'var(--primary-color, Black)',
|
||
|
|
rangeColor: 'var(--surface-d, LightGray)',
|
||
|
|
textColor: 'var(--text-color-secondary, Black)',
|
||
|
|
valueTemplate: '{value}',
|
||
|
|
onChange: null
|
||
|
|
});
|
||
|
|
|
||
|
|
export { Knob };
|