ant-design-vue/components/vc-slider/src/Handle.tsx

148 lines
4.1 KiB
Vue

import type { CSSProperties, PropType } from 'vue';
import { computed, defineComponent, shallowRef, onMounted, onBeforeUnmount } from 'vue';
import classNames from '../../_util/classNames';
import PropTypes from '../../_util/vue-types';
import addEventListener from '../../vc-util/Dom/addEventListener';
export default defineComponent({
compatConfig: { MODE: 3 },
name: 'Handle',
inheritAttrs: false,
props: {
prefixCls: String,
vertical: { type: Boolean, default: undefined },
offset: Number,
disabled: { type: Boolean, default: undefined },
min: Number,
max: Number,
value: Number,
tabindex: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
reverse: { type: Boolean, default: undefined },
ariaLabel: String,
ariaLabelledBy: String,
ariaValueTextFormatter: Function,
onMouseenter: { type: Function as PropType<(payload: MouseEvent) => void> },
onMouseleave: { type: Function as PropType<(payload: MouseEvent) => void> },
onMousedown: { type: Function as PropType<(payload: MouseEvent) => void> },
},
setup(props, { attrs, emit, expose }) {
const clickFocused = shallowRef(false);
const handle = shallowRef();
const handleMouseUp = () => {
if (document.activeElement === handle.value) {
clickFocused.value = true;
}
};
const handleBlur = (e: FocusEvent) => {
clickFocused.value = false;
emit('blur', e);
};
const handleKeyDown = () => {
clickFocused.value = false;
};
const focus = () => {
handle.value?.focus();
};
const blur = () => {
handle.value?.blur();
};
const clickFocus = () => {
clickFocused.value = true;
focus();
};
// when click can not focus in vue, use mousedown trigger focus
const handleMousedown = (e: MouseEvent) => {
e.preventDefault();
focus();
emit('mousedown', e);
};
expose({
focus,
blur,
clickFocus,
ref: handle,
});
let onMouseUpListener = null;
onMounted(() => {
onMouseUpListener = addEventListener(document, 'mouseup', handleMouseUp);
});
onBeforeUnmount(() => {
onMouseUpListener?.remove();
});
const positionStyle = computed(() => {
const { vertical, offset, reverse } = props;
return vertical
? {
[reverse ? 'top' : 'bottom']: `${offset}%`,
[reverse ? 'bottom' : 'top']: 'auto',
transform: reverse ? null : `translateY(+50%)`,
}
: {
[reverse ? 'right' : 'left']: `${offset}%`,
[reverse ? 'left' : 'right']: 'auto',
transform: `translateX(${reverse ? '+' : '-'}50%)`,
};
});
return () => {
const {
prefixCls,
disabled,
min,
max,
value,
tabindex,
ariaLabel,
ariaLabelledBy,
ariaValueTextFormatter,
onMouseenter,
onMouseleave,
} = props;
const className = classNames(attrs.class, {
[`${prefixCls}-handle-click-focused`]: clickFocused.value,
});
const ariaProps = {
'aria-valuemin': min,
'aria-valuemax': max,
'aria-valuenow': value,
'aria-disabled': !!disabled,
};
const elStyle = [attrs.style as CSSProperties, positionStyle.value];
let mergedTabIndex = tabindex || 0;
if (disabled || tabindex === null) {
mergedTabIndex = null;
}
let ariaValueText;
if (ariaValueTextFormatter) {
ariaValueText = ariaValueTextFormatter(value);
}
const handleProps = {
...attrs,
role: 'slider',
tabindex: mergedTabIndex,
...ariaProps,
class: className,
onBlur: handleBlur,
onKeydown: handleKeyDown,
onMousedown: handleMousedown,
onMouseenter,
onMouseleave,
ref: handle,
style: elStyle,
};
return (
<div
{...handleProps}
aria-label={ariaLabel}
aria-labelledby={ariaLabelledBy}
aria-valuetext={ariaValueText}
/>
);
};
},
});