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

342 lines
10 KiB
Vue

import classNames from 'classnames';
import PropTypes from '../../../_util/vue-types';
import addEventListener from '../../../vc-util/Dom/addEventListener';
import warning from '../../../_util/warning';
import { initDefaultProps } from '../../../_util/props-util';
import Steps from './Steps';
import Marks from './Marks';
import Handle from '../Handle';
import * as utils from '../utils';
function noop() {}
export default function createSlider(Component) {
// const displayName = `ComponentEnhancer(${Component.displayName})`
const propTypes = {
min: PropTypes.number,
max: PropTypes.number,
step: PropTypes.number,
marks: PropTypes.object,
included: PropTypes.bool,
prefixCls: PropTypes.string,
disabled: PropTypes.bool,
handle: PropTypes.func,
dots: PropTypes.bool,
vertical: PropTypes.bool,
reverse: PropTypes.bool,
minimumTrackStyle: PropTypes.object, // just for compatibility, will be deperecate
maximumTrackStyle: PropTypes.object, // just for compatibility, will be deperecate
handleStyle: PropTypes.oneOfType([PropTypes.object, PropTypes.arrayOf(PropTypes.object)]),
trackStyle: PropTypes.oneOfType([PropTypes.object, PropTypes.arrayOf(PropTypes.object)]),
railStyle: PropTypes.object,
dotStyle: PropTypes.object,
activeDotStyle: PropTypes.object,
autoFocus: PropTypes.bool,
};
return {
name: 'createSlider',
mixins: [Component],
model: {
prop: 'value',
event: 'change',
},
props: initDefaultProps(propTypes, {
prefixCls: 'rc-slider',
min: 0,
max: 100,
step: 1,
marks: {},
included: true,
disabled: false,
dots: false,
vertical: false,
reverse: false,
trackStyle: [{}],
handleStyle: [{}],
railStyle: {},
dotStyle: {},
activeDotStyle: {},
}),
data() {
const { step, max, min } = this;
const isPointDiffEven = isFinite(max - min) ? (max - min) % step === 0 : true; // eslint-disable-line
warning(
step && Math.floor(step) === step ? isPointDiffEven : true,
'Slider',
'Slider[max] - Slider[min] (%s) should be a multiple of Slider[step] (%s)',
max - min,
step,
);
this.handlesRefs = {};
return {};
},
mounted() {
this.$nextTick(() => {
// Snapshot testing cannot handle refs, so be sure to null-check this.
this.document = this.$refs.sliderRef && this.$refs.sliderRef.ownerDocument;
// this.setHandleRefs()
const { autoFocus, disabled } = this;
if (autoFocus && !disabled) {
this.focus();
}
});
},
beforeDestroy() {
this.$nextTick(() => {
// if (super.componentWillUnmount) super.componentWillUnmount()
this.removeDocumentEvents();
});
},
methods: {
defaultHandle({ index, directives, className, style, on, ...restProps }) {
delete restProps.dragging;
if (restProps.value === null) {
return null;
}
const handleProps = {
props: {
...restProps,
},
class: className,
style,
key: index,
directives,
on,
};
return <Handle {...handleProps} />;
},
onMouseDown(e) {
if (e.button !== 0) {
return;
}
const isVertical = this.vertical;
let position = utils.getMousePosition(isVertical, e);
if (!utils.isEventFromHandle(e, this.handlesRefs)) {
this.dragOffset = 0;
} else {
const handlePosition = utils.getHandleCenterPosition(isVertical, e.target);
this.dragOffset = position - handlePosition;
position = handlePosition;
}
this.removeDocumentEvents();
this.onStart(position);
this.addDocumentMouseEvents();
utils.pauseEvent(e);
},
onTouchStart(e) {
if (utils.isNotTouchEvent(e)) return;
const isVertical = this.vertical;
let position = utils.getTouchPosition(isVertical, e);
if (!utils.isEventFromHandle(e, this.handlesRefs)) {
this.dragOffset = 0;
} else {
const handlePosition = utils.getHandleCenterPosition(isVertical, e.target);
this.dragOffset = position - handlePosition;
position = handlePosition;
}
this.onStart(position);
this.addDocumentTouchEvents();
utils.pauseEvent(e);
},
onFocus(e) {
const { vertical } = this;
if (utils.isEventFromHandle(e, this.handlesRefs)) {
const handlePosition = utils.getHandleCenterPosition(vertical, e.target);
this.dragOffset = 0;
this.onStart(handlePosition);
utils.pauseEvent(e);
this.$emit('focus', e);
}
},
onBlur(e) {
this.onEnd();
this.$emit('blur', e);
},
onMouseUp() {
if (this.handlesRefs[this.prevMovedHandleIndex]) {
this.handlesRefs[this.prevMovedHandleIndex].clickFocus();
}
},
onMouseMove(e) {
if (!this.$refs.sliderRef) {
this.onEnd();
return;
}
const position = utils.getMousePosition(this.vertical, e);
this.onMove(e, position - this.dragOffset);
},
onTouchMove(e) {
if (utils.isNotTouchEvent(e) || !this.$refs.sliderRef) {
this.onEnd();
return;
}
const position = utils.getTouchPosition(this.vertical, e);
this.onMove(e, position - this.dragOffset);
},
onKeyDown(e) {
if (this.$refs.sliderRef && utils.isEventFromHandle(e, this.handlesRefs)) {
this.onKeyboard(e);
}
},
onClickMarkLabel(e, value) {
e.stopPropagation();
this.onChange({ sValue: value });
this.setState({ sValue: value }, () => this.onEnd(true));
},
getSliderStart() {
const slider = this.$refs.sliderRef;
const { vertical, reverse } = this;
const rect = slider.getBoundingClientRect();
if (vertical) {
return reverse ? rect.bottom : rect.top;
}
return window.pageXOffset + (reverse ? rect.right : rect.left);
},
getSliderLength() {
const slider = this.$refs.sliderRef;
if (!slider) {
return 0;
}
const coords = slider.getBoundingClientRect();
return this.vertical ? coords.height : coords.width;
},
addDocumentTouchEvents() {
// just work for Chrome iOS Safari and Android Browser
this.onTouchMoveListener = addEventListener(this.document, 'touchmove', this.onTouchMove);
this.onTouchUpListener = addEventListener(this.document, 'touchend', this.onEnd);
},
addDocumentMouseEvents() {
this.onMouseMoveListener = addEventListener(this.document, 'mousemove', this.onMouseMove);
this.onMouseUpListener = addEventListener(this.document, 'mouseup', this.onEnd);
},
removeDocumentEvents() {
/* eslint-disable no-unused-expressions */
this.onTouchMoveListener && this.onTouchMoveListener.remove();
this.onTouchUpListener && this.onTouchUpListener.remove();
this.onMouseMoveListener && this.onMouseMoveListener.remove();
this.onMouseUpListener && this.onMouseUpListener.remove();
/* eslint-enable no-unused-expressions */
},
focus() {
if (!this.disabled) {
this.handlesRefs[0].focus();
}
},
blur() {
if (!this.disabled) {
Object.keys(this.handlesRefs).forEach(key => {
if (this.handlesRefs[key] && this.handlesRefs[key].blur) {
this.handlesRefs[key].blur();
}
});
}
},
calcValue(offset) {
const { vertical, min, max } = this;
const ratio = Math.abs(Math.max(offset, 0) / this.getSliderLength());
const value = vertical ? (1 - ratio) * (max - min) + min : ratio * (max - min) + min;
return value;
},
calcValueByPos(position) {
const sign = this.reverse ? -1 : +1;
const pixelOffset = sign * (position - this.getSliderStart());
const nextValue = this.trimAlignValue(this.calcValue(pixelOffset));
return nextValue;
},
calcOffset(value) {
const { min, max } = this;
const ratio = (value - min) / (max - min);
return ratio * 100;
},
saveHandle(index, handle) {
this.handlesRefs[index] = handle;
},
},
render(h) {
const {
prefixCls,
marks,
dots,
step,
included,
disabled,
vertical,
reverse,
min,
max,
maximumTrackStyle,
railStyle,
dotStyle,
activeDotStyle,
} = this;
const { tracks, handles } = this.renderSlider(h);
const sliderClassName = classNames(prefixCls, {
[`${prefixCls}-with-marks`]: Object.keys(marks).length,
[`${prefixCls}-disabled`]: disabled,
[`${prefixCls}-vertical`]: vertical,
});
const markProps = {
props: {
vertical,
marks,
included,
lowerBound: this.getLowerBound(),
upperBound: this.getUpperBound(),
max,
min,
reverse,
className: `${prefixCls}-mark`,
},
on: {
clickLabel: disabled ? noop : this.onClickMarkLabel,
},
};
return (
<div
ref="sliderRef"
tabIndex="-1"
class={sliderClassName}
onTouchstart={disabled ? noop : this.onTouchStart}
onMousedown={disabled ? noop : this.onMouseDown}
onMouseup={disabled ? noop : this.onMouseUp}
onKeydown={disabled ? noop : this.onKeyDown}
onFocus={disabled ? noop : this.onFocus}
onBlur={disabled ? noop : this.onBlur}
>
<div
class={`${prefixCls}-rail`}
style={{
...maximumTrackStyle,
...railStyle,
}}
/>
{tracks}
<Steps
prefixCls={prefixCls}
vertical={vertical}
reverse={reverse}
marks={marks}
dots={dots}
step={step}
included={included}
lowerBound={this.getLowerBound()}
upperBound={this.getUpperBound()}
max={max}
min={min}
dotStyle={dotStyle}
activeDotStyle={activeDotStyle}
/>
{handles}
<Marks {...markProps} />
{this.$slots.default}
</div>
);
},
};
}