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Dropdown.js
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83 lines (71 loc) · 1.76 KB
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
// @flow
import React, { Component } from "react";
import "./Dropdown.css";
type Props = {
panel: Object,
icon: any
};
type State = {
dropdownShown: boolean
};
class Dropdown extends Component<Props, State> {
toggleDropdown: Function;
renderPanel: Function;
renderButton: Function;
renderMask: Function;
constructor(props: any) {
super(props);
this.state = {
dropdownShown: false
};
this.toggleDropdown = this.toggleDropdown.bind(this);
this.renderPanel = this.renderPanel.bind(this);
this.renderButton = this.renderButton.bind(this);
this.renderMask = this.renderMask.bind(this);
}
toggleDropdown(e: SyntheticKeyboardEvent<HTMLElement>) {
this.setState({
dropdownShown: !this.state.dropdownShown
});
}
renderPanel() {
return (
<div
className="dropdown"
onClick={this.toggleDropdown}
style={{ display: this.state.dropdownShown ? "block" : "none" }}
>
{this.props.panel}
</div>
);
}
renderButton() {
return (
<button className="dropdown-button" onClick={this.toggleDropdown}>
{this.props.icon}
</button>
);
}
renderMask() {
return (
<div
className="dropdown-mask"
onClick={this.toggleDropdown}
style={{ display: this.state.dropdownShown ? "block" : "none" }}
/>
);
}
render() {
return (
<div className="dropdown-block">
{this.renderPanel()}
{this.renderButton()}
{this.renderMask()}
</div>
);
}
}
export default Dropdown;