antd/es/tooltip/index.js

An enterprise-class UI design language and React-based implementation

import _defineProperty from 'babel-runtime/helpers/defineProperty';
import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
import _inherits from 'babel-runtime/helpers/inherits';
import _extends from 'babel-runtime/helpers/extends';
import * as React from 'react';
import { cloneElement } from 'react';
import { polyfill } from 'react-lifecycles-compat';
import RcTooltip from 'rc-tooltip';
import classNames from 'classnames';
import _getPlacements from './placements';
var splitObject = function splitObject(obj, keys) {
    var picked = {};
    var omitted = _extends({}, obj);
    keys.forEach(function (key) {
        if (obj && key in obj) {
            picked[key] = obj[key];
            delete omitted[key];
        }
    });
    return { picked: picked, omitted: omitted };
};

var Tooltip = function (_React$Component) {
    _inherits(Tooltip, _React$Component);

    function Tooltip(props) {
        _classCallCheck(this, Tooltip);

        var _this = _possibleConstructorReturn(this, (Tooltip.__proto__ || Object.getPrototypeOf(Tooltip)).call(this, props));

        _this.onVisibleChange = function (visible) {
            var onVisibleChange = _this.props.onVisibleChange;

            if (!('visible' in _this.props)) {
                _this.setState({ visible: _this.isNoTitle() ? false : visible });
            }
            if (onVisibleChange && !_this.isNoTitle()) {
                onVisibleChange(visible);
            }
        };
        // 动态设置动画点
        _this.onPopupAlign = function (domNode, align) {
            var placements = _this.getPlacements();
            // 当前返回的位置
            var placement = Object.keys(placements).filter(function (key) {
                return placements[key].points[0] === align.points[0] && placements[key].points[1] === align.points[1];
            })[0];
            if (!placement) {
                return;
            }
            // 根据当前坐标设置动画点
            var rect = domNode.getBoundingClientRect();
            var transformOrigin = {
                top: '50%',
                left: '50%'
            };
            if (placement.indexOf('top') >= 0 || placement.indexOf('Bottom') >= 0) {
                transformOrigin.top = rect.height - align.offset[1] + 'px';
            } else if (placement.indexOf('Top') >= 0 || placement.indexOf('bottom') >= 0) {
                transformOrigin.top = -align.offset[1] + 'px';
            }
            if (placement.indexOf('left') >= 0 || placement.indexOf('Right') >= 0) {
                transformOrigin.left = rect.width - align.offset[0] + 'px';
            } else if (placement.indexOf('right') >= 0 || placement.indexOf('Left') >= 0) {
                transformOrigin.left = -align.offset[0] + 'px';
            }
            domNode.style.transformOrigin = transformOrigin.left + ' ' + transformOrigin.top;
        };
        _this.saveTooltip = function (node) {
            _this.tooltip = node;
        };
        _this.state = {
            visible: !!props.visible || !!props.defaultVisible
        };
        return _this;
    }

    _createClass(Tooltip, [{
        key: 'getPopupDomNode',
        value: function getPopupDomNode() {
            return this.tooltip.getPopupDomNode();
        }
    }, {
        key: 'getPlacements',
        value: function getPlacements() {
            var _props = this.props,
                builtinPlacements = _props.builtinPlacements,
                arrowPointAtCenter = _props.arrowPointAtCenter,
                autoAdjustOverflow = _props.autoAdjustOverflow;

            return builtinPlacements || _getPlacements({
                arrowPointAtCenter: arrowPointAtCenter,
                verticalArrowShift: 8,
                autoAdjustOverflow: autoAdjustOverflow
            });
        }
    }, {
        key: 'isHoverTrigger',
        value: function isHoverTrigger() {
            var trigger = this.props.trigger;

            if (!trigger || trigger === 'hover') {
                return true;
            }
            if (Array.isArray(trigger)) {
                return trigger.indexOf('hover') >= 0;
            }
            return false;
        }
        // Fix Tooltip won't hide at disabled button
        // mouse events don't trigger at disabled button in Chrome
        // https://github.com/react-component/tooltip/issues/18

    }, {
        key: 'getDisabledCompatibleChildren',
        value: function getDisabledCompatibleChildren(element) {
            if ((element.type.__ANT_BUTTON || element.type === 'button') && element.props.disabled && this.isHoverTrigger()) {
                // Pick some layout related style properties up to span
                // Prevent layout bugs like https://github.com/ant-design/ant-design/issues/5254
                var _splitObject = splitObject(element.props.style, ['position', 'left', 'right', 'top', 'bottom', 'float', 'display', 'zIndex']),
                    picked = _splitObject.picked,
                    omitted = _splitObject.omitted;

                var spanStyle = _extends({ display: 'inline-block' }, picked, { cursor: 'not-allowed' });
                var buttonStyle = _extends({}, omitted, { pointerEvents: 'none' });
                var child = cloneElement(element, {
                    style: buttonStyle,
                    className: null
                });
                return React.createElement(
                    'span',
                    { style: spanStyle, className: element.props.className },
                    child
                );
            }
            return element;
        }
    }, {
        key: 'isNoTitle',
        value: function isNoTitle() {
            var _props2 = this.props,
                title = _props2.title,
                overlay = _props2.overlay;

            return !title && !overlay; // overlay for old version compatibility
        }
    }, {
        key: 'render',
        value: function render() {
            var props = this.props,
                state = this.state;
            var prefixCls = props.prefixCls,
                title = props.title,
                overlay = props.overlay,
                openClassName = props.openClassName,
                getPopupContainer = props.getPopupContainer,
                getTooltipContainer = props.getTooltipContainer;

            var children = props.children;
            var visible = state.visible;
            // Hide tooltip when there is no title
            if (!('visible' in props) && this.isNoTitle()) {
                visible = false;
            }
            var child = this.getDisabledCompatibleChildren(React.isValidElement(children) ? children : React.createElement(
                'span',
                null,
                children
            ));
            var childProps = child.props;
            var childCls = classNames(childProps.className, _defineProperty({}, openClassName || prefixCls + '-open', true));
            return React.createElement(
                RcTooltip,
                _extends({}, this.props, { getTooltipContainer: getPopupContainer || getTooltipContainer, ref: this.saveTooltip, builtinPlacements: this.getPlacements(), overlay: overlay || title || '', visible: visible, onVisibleChange: this.onVisibleChange, onPopupAlign: this.onPopupAlign }),
                visible ? cloneElement(child, { className: childCls }) : child
            );
        }
    }], [{
        key: 'getDerivedStateFromProps',
        value: function getDerivedStateFromProps(nextProps) {
            if ('visible' in nextProps) {
                return { visible: nextProps.visible };
            }
            return null;
        }
    }]);

    return Tooltip;
}(React.Component);

Tooltip.defaultProps = {
    prefixCls: 'ant-tooltip',
    placement: 'top',
    transitionName: 'zoom-big-fast',
    mouseEnterDelay: 0.1,
    mouseLeaveDelay: 0.1,
    arrowPointAtCenter: false,
    autoAdjustOverflow: true
};
polyfill(Tooltip);
export default Tooltip;