All files / src/ui/components TypeaheadSelectInput.tsx

100% Statements 27/27
100% Branches 6/6
100% Functions 12/12
100% Lines 25/25

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131                                                                11x 2x 2x       1x                       36x   36x 36x 36x   36x           3x           1x 1x               1x 1x   1x 1x 1x               42x 42x   42x   42x   42x         48x 35x                               89x                      
/*
 * 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>
    );
  }
}