ant-design-vue/components/vc-slider/src/common/Steps.jsx

64 lines
1.6 KiB
Vue

import classNames from 'classnames';
import warning from '../../../_util/warning';
const calcPoints = (vertical, marks, dots, step, min, max) => {
warning(
dots ? step > 0 : true,
'`Slider[step]` should be a positive number in order to make Slider[dots] work.',
);
const points = Object.keys(marks)
.map(parseFloat)
.sort((a, b) => a - b);
if (dots) {
for (let i = min; i <= max; i += step) {
if (points.indexOf(i) === -1) {
points.push(i);
}
}
}
return points;
};
const Steps = {
functional: true,
render(h, context) {
const {
prefixCls,
vertical,
marks,
dots,
step,
included,
lowerBound,
upperBound,
max,
min,
dotStyle,
activeDotStyle,
} = context.props;
const range = max - min;
const elements = calcPoints(vertical, marks, dots, step, min, max).map(point => {
const offset = `${(Math.abs(point - min) / range) * 100}%`;
const isActived =
(!included && point === upperBound) ||
(included && point <= upperBound && point >= lowerBound);
let style = vertical ? { bottom: offset, ...dotStyle } : { left: offset, ...dotStyle };
if (isActived) {
style = { ...style, ...activeDotStyle };
}
const pointClassName = classNames({
[`${prefixCls}-dot`]: true,
[`${prefixCls}-dot-active`]: isActived,
});
return <span class={pointClassName} style={style} key={point} />;
});
return <div class={`${prefixCls}-step`}>{elements}</div>;
},
};
export default Steps;