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* Copyright 2019 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import React from "react";
import { Select, SelectOption, SelectVariant } from "@patternfly/react-core";
import "./TypeaheadSelectInput.css";
export interface TypeaheadSelectProps<T> {
emptyText: string;
options: T[];
value: T | undefined;
optionToStringMap: (option: T) => string;
onChange: (selected: T | undefined) => void;
optional?: boolean;
}
export interface TypeaheadSelectState {
isExpanded: boolean;
}
const StatefulTypeaheadSelectInput: React.FC<TypeaheadSelectProps<any>> = props => {
const [value, setValue] = React.useState(props.value);
return (
<TypeaheadSelectInput
{...props}
value={value}
onChange={v => {props.onChange(v); setValue(v);}}
/>
);
}
export { StatefulTypeaheadSelectInput };
export default class TypeaheadSelectInput<T> extends React.Component<
TypeaheadSelectProps<T>,
TypeaheadSelectState
> {
constructor(props: TypeaheadSelectProps<T>) {
super(props);
this.onToggle = this.onToggle.bind(this);
this.onSelect = this.onSelect.bind(this);
this.clearSelection = this.clearSelection.bind(this);
this.state = {
isExpanded: false,
};
}
onToggle(isExpanded: boolean) {
this.setState({
isExpanded
});
}
clearSelection() {
this.props.onChange(undefined);
this.setState({
isExpanded: false
});
}
onSelect(event: any,
selection: string,
isPlaceholder: boolean) {
const selectedOption = this.props.options.find(
option => this.props.optionToStringMap(option) === selection
) as T;
setTimeout(() => {
this.props.onChange(selectedOption);
this.setState(() => ({
isExpanded: false
}))
}, 0); // HACK: For some reason, when there are two or more Select, the
// clear button is clicked on Keyboard enter.
}
render() {
const { isExpanded } = this.state;
const selected = this.props.value;
const emptyText = this.props.emptyText;
const selection =
selected !== undefined ? this.props.optionToStringMap(selected) : null;
return (
<div>
<Select
ref={(select) => {
// Hack to get select to display selection without needing to toggle
if (select !== null && selection !== null) {
select.setState({
typeaheadInputValue: selection
});
}
}}
variant={SelectVariant.typeahead}
aria-label={emptyText}
onToggle={this.onToggle}
onSelect={this.onSelect as any}
onClear={this.clearSelection}
selections={selection as any}
isExpanded={isExpanded}
placeholderText={emptyText}
required={!this.props.optional}
>
{this.props.options.map((option) => (
<SelectOption
isDisabled={false}
key={this.props.optionToStringMap(option)}
value={this.props.optionToStringMap(option)}
/>
))}
</Select>
</div>
);
}
}
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