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Dropdown.js
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76 lines (66 loc) · 1.51 KB
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// @flow
import { DOM as dom, Component } from "react";
import "./Dropdown.css";
class Dropdown extends Component {
props: {
panel: Object
};
state: {
dropdownShown: boolean
};
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) {
this.setState({
dropdownShown: !this.state.dropdownShown
});
}
renderPanel() {
return dom.div(
{
className: "dropdown",
onClick: this.toggleDropdown,
style: { display: this.state.dropdownShown ? "block" : "none" }
},
this.props.panel
);
}
renderButton() {
return dom.button(
{
className: "dropdown-button",
onClick: this.toggleDropdown
},
"»"
);
}
renderMask() {
return dom.div({
className: "dropdown-mask",
onClick: this.toggleDropdown,
style: { display: this.state.dropdownShown ? "block" : "none" }
});
}
render() {
return dom.div(
{ className: "dropdown-block" },
this.renderPanel(),
this.renderButton(),
this.renderMask()
);
}
}
Dropdown.displayName = "Dropdown";
export default Dropdown;