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// @flow
import * as React from "react";
import cn from "classnames";
import { Manager, Reference, Popper } from "react-popper";
import type {
Placement,
PopperChildrenProps,
ReferenceChildrenProps,
} from "react-popper";
import "./Tooltip.css";
type Props = {|
/**
* The reference element which the Tooltip will be based on.
*/
+children?: React.Element<any>,
/**
* Any additional classNames for the Tooltip.
*/
+className?: string,
/**
* This is the text content of the Tooltip.
*/
+content: string,
/**
* This is the placement of the Tooltip (top, bottom, left, right).
*/
+placement?: Placement,
+type?: "link",
|};
type State = {
isShown: boolean,
};
class Tooltip extends React.Component<Props, State> {
state = { isShown: false };
_handleTriggerOnMouseEnter = (e: SyntheticMouseEvent<HTMLElement>) => {
e.preventDefault();
this.setState({ isShown: true });
};
_handleTriggerOnMouseLeave = (e: SyntheticMouseEvent<HTMLElement>) => {
e.preventDefault();
this.setState({ isShown: false });
};
render(): React.Node {
const { className, children, placement, content } = this.props;
const classes = cn(
"tooltip",
placement && "bs-tooltip-" + placement,
"show",
className
);
const arrowClasses = cn(
"arrow",
placement === "top" || placement === "bottom"
? "tbr-arrow-vertical"
: "tbr-arrow-horizontal"
);
return (
<Manager>
<Reference>
{({ ref }: ReferenceChildrenProps) =>
typeof children !== "undefined" &&
React.cloneElement(children, {
ref: ref,
onMouseEnter: this._handleTriggerOnMouseEnter,
onMouseLeave: this._handleTriggerOnMouseLeave,
})
}
</Reference>
{this.state.isShown && (
<Popper placement={placement}>
{({ ref, style, placement }: PopperChildrenProps) => {
return (
<div
className={classes}
data-placement={placement}
style={style}
ref={ref}
>
<div className={arrowClasses} />
<div className="tooltip-inner">{content}</div>
</div>
);
}}
</Popper>
)}
</Manager>
);
}
}
export default Tooltip;
|