zent
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一套前端设计语言和基于React的实现
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JavaScript
import { __assign, __extends } from "tslib";
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
import { Component, createRef } from 'react';
import reactCSS from '../helpers/reactcss';
import * as alpha from '../helpers/alpha';
import Checkboard from './Checkboard';
import { addEventListener } from '../../utils/component/event-handler';
var Alpha = (function (_super) {
__extends(Alpha, _super);
function Alpha() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.containerRef = createRef();
_this.eventCancelList = [];
_this.handleChange = function (e, skip) {
var change = alpha.calculateChange(e, skip, _this.props, _this.containerRef.current);
change && _this.props.onChange(change, e);
};
_this.handleMouseDown = function (e) {
_this.handleChange(e, true);
_this.eventCancelList.push(addEventListener(window, 'mousemove', _this.handleChange));
_this.eventCancelList.push(addEventListener(window, 'mouseup', _this.handleMouseUp, { passive: true }));
};
_this.handleMouseUp = function () {
_this.unbindEventListeners();
};
_this.unbindEventListeners = function () {
_this.eventCancelList.forEach(function (cancel) { return cancel(); });
_this.eventCancelList = [];
};
return _this;
}
Alpha.prototype.componentWillUnmount = function () {
this.unbindEventListeners();
};
Alpha.prototype.render = function () {
var rgb = this.props.rgb;
var styles = reactCSS({
default: {
alpha: {
absolute: '0px 0px 0px 0px',
borderRadius: this.props.radius,
},
checkboard: {
absolute: '0px 0px 0px 0px',
overflow: 'hidden',
},
gradient: {
absolute: '0px 0px 0px 0px',
background: "linear-gradient(to right, rgba(" + rgb.r + "," + rgb.g + "," + rgb.b + ", 0) 0%,\n rgba(" + rgb.r + "," + rgb.g + "," + rgb.b + ", 1) 100%)",
boxShadow: this.props.shadow,
borderRadius: this.props.radius,
},
container: {
position: 'relative',
height: '100%',
margin: '0 3px',
},
pointer: {
position: 'absolute',
left: rgb.a * 100 + "%",
},
slider: {
width: '4px',
borderRadius: '1px',
height: '8px',
boxShadow: '0 0 2px rgba(0, 0, 0, .6)',
background: '#fff',
marginTop: '1px',
transform: 'translateX(-2px)',
},
},
vertical: {
gradient: {
background: "linear-gradient(to bottom, rgba(" + rgb.r + "," + rgb.g + "," + rgb.b + ", 0) 0%,\n rgba(" + rgb.r + "," + rgb.g + "," + rgb.b + ", 1) 100%)",
},
pointer: {
left: 0,
top: rgb.a * 100 + "%",
},
},
overwrite: __assign({}, this.props.style),
}, {
vertical: this.props.direction === 'vertical',
overwrite: true,
});
return (_jsxs("div", __assign({ style: styles.alpha, "data-zv": '10.0.17' }, { children: [_jsx("div", __assign({ style: styles.checkboard, "data-zv": '10.0.17' }, { children: _jsx(Checkboard, { renderers: this.props.renderers }, void 0) }), void 0), _jsx("div", { style: styles.gradient, "data-zv": '10.0.17' }, void 0), _jsx("div", __assign({ className: "alpha-bar", style: styles.container, ref: this.containerRef, onMouseDown: this.handleMouseDown, onTouchMove: this.handleChange, onTouchStart: this.handleChange, "data-zv": '10.0.17' }, { children: _jsx("div", __assign({ style: styles.pointer, "data-zv": '10.0.17' }, { children: this.props.pointer ? (_jsx(this.props.pointer, __assign({}, this.props), void 0)) : (_jsx("div", { style: styles.slider, "data-zv": '10.0.17' }, void 0)) }), void 0) }), void 0)] }), void 0));
};
return Alpha;
}(Component));
export { Alpha };
export default Alpha;