@arco-design/web-react
Version:
Arco Design React UI Library.
80 lines (79 loc) • 3.58 kB
JavaScript
import React, { useMemo } from 'react';
import IconLeft from '../../../icon/react-icon/IconLeft';
import IconRight from '../../../icon/react-icon/IconRight';
import IconUp from '../../../icon/react-icon/IconUp';
import IconDown from '../../../icon/react-icon/IconDown';
import IconHover from '../../_class/icon-hover';
import cs from '../../_util/classNames';
import { isNull } from '../../_util/is';
var horizontalMap = {
prev: 'left',
next: 'right',
};
var vertialMap = { prev: 'up', next: 'down' };
var TabNavIcon = function (props) {
var _a;
var direction = props.direction, headerSize = props.headerSize, headerWrapperSize = props.headerWrapperSize, prefixCls = props.prefixCls, iconPos = props.iconPos, curOffset = props.currentOffset, align = props.align, rtl = props.rtl, icon = props.icon;
var wrapHeight = headerWrapperSize.height, wrapWidth = headerWrapperSize.width;
var headerHeight = headerSize.height, headerWidth = headerSize.width;
var maxHeightOffset = headerHeight - wrapHeight;
var maxWidthOffset = headerWidth - wrapWidth;
var defaultIcon = {
up: React.createElement(IconUp, null),
down: React.createElement(IconDown, null),
left: rtl ? React.createElement(IconRight, null) : React.createElement(IconLeft, null),
right: rtl ? React.createElement(IconLeft, null) : React.createElement(IconRight, null),
};
var onChange = function (offset) {
if (offset !== props.currentOffset) {
props.onChange && props.onChange(offset);
}
};
var handleHozClick = function (e, pos) {
e.preventDefault();
var nextOffset;
if (align === 'left') {
nextOffset = pos === 'left' ? curOffset - wrapWidth : curOffset + wrapWidth;
}
else {
nextOffset = pos === 'left' ? curOffset + wrapWidth : curOffset - wrapWidth;
}
onChange(nextOffset);
};
var handleVerticalClick = function (e, pos) {
e.preventDefault();
var nextOffset;
if (pos === 'up') {
nextOffset = curOffset - wrapHeight;
}
else {
nextOffset = curOffset + wrapHeight;
if (nextOffset >= headerHeight)
return;
}
onChange(nextOffset);
};
var disabledPrev = useMemo(function () {
if (align === 'left') {
return curOffset <= 0;
}
return direction === 'vertical' ? curOffset >= maxHeightOffset : curOffset >= maxWidthOffset;
}, [align, direction, curOffset, maxWidthOffset, curOffset]);
var disabledNext = useMemo(function () {
if (align === 'left') {
return direction === 'vertical' ? curOffset >= maxHeightOffset : curOffset >= maxWidthOffset;
}
return curOffset <= 0;
}, [align, direction, maxHeightOffset, maxWidthOffset, curOffset]);
if (isNull(icon)) {
return null;
}
var iconDirection = direction === 'horizontal' ? horizontalMap[iconPos] : vertialMap[iconPos];
var disabled = iconPos === 'prev' ? disabledPrev : disabledNext;
var className = cs(prefixCls + "-" + iconDirection + "-icon", (_a = {},
_a[prefixCls + "-nav-icon-disabled"] = disabled,
_a));
var handleClick = direction === 'vertical' ? handleVerticalClick : handleHozClick;
return (React.createElement(IconHover, { disabled: disabled, className: className, prefix: prefixCls, onClick: function (e) { return handleClick(e, iconDirection); } }, icon || defaultIcon[iconDirection]));
};
export default TabNavIcon;