wix-style-react/src/ColorInput/ColorInput.js

wix-style-react

import React from 'react';
import PropTypes from 'prop-types';

import Input from '../Input';
import { Hash } from './components/Hash';
import { ColorViewer } from './components/ColorViewer';

import { validateHex, normalizeHexInput } from './hex-helpers';
import Box from '../Box';

class ColorInput extends React.Component {
  static displayName = 'ColorInput';

  static propTypes = {
    /** Defines placeholder text to display on an empty input */
    placeholder: PropTypes.string,
    /** Specifies whether the input should be disabled */
    disabled: PropTypes.bool,
    /** Specifies the status of a field */
    status: PropTypes.oneOf(['error', 'warning', 'loading']),
    /** Defines the message to display on status icon hover. If not given or empty, there will be no tooltip. */
    statusMessage: PropTypes.node,
    /** Controls input size */
    size: PropTypes.oneOf(['small', 'medium', 'large']),
    /** Defines input value */
    value: PropTypes.string.isRequired,
    /** Returns confirmed value */
    onConfirm: PropTypes.func,
    /** Returns last confirmed value from `value` prop */
    onCancel: PropTypes.func,
    /** Returns changed value of input or color picker */
    onChange: PropTypes.func,
    /** Defines child items to render inside of a component. Accepts any kind of content. It receives the `changeColor` function to control <ColorInput/> value. */
    colorPickerChildren: PropTypes.oneOfType([PropTypes.node, PropTypes.func]),
    /** Defines a callback handler with color HEX string. Handler is called whenever the `Add Color` button is pressed. */
    onAddColor: PropTypes.func,
    /** Defines content to show in add button tooltip. Does not appear if `onAdd` is not passed. */
    addTooltipContent: PropTypes.node,
    /** Allows to pass popover props. See <Popover/> API for a full list. */
    popoverProps: PropTypes.object,
  };

  static defaultProps = {
    placeholder: '',
    size: 'medium',
    onChange: () => {},
    onConfirm: () => {},
    onCancel: () => {},
    popoverProps: {},
    value: '',
  };

  constructor(props) {
    super(props);
    this.state = {
      active: false,
      previous: props.value,
      value: '',
    };
  }

  static getDerivedStateFromProps(props, state) {
    if (!state.active && props.value !== state.value) {
      return {
        value: normalizeHexInput(props.value),
      };
    }
    return {};
  }

  _renderPrefix = () => {
    const { disabled, size } = this.props;
    const { active, value } = this.state;
    const hash = (
      <Input.Affix>
        <Hash disabled={disabled} size={size} />
      </Input.Affix>
    );
    return active || value ? hash : undefined;
  };

  _renderSuffix = () => {
    const { value, active } = this.state;
    const {
      size,
      popoverPlacement,
      popoverAppendTo,
      disabled,
      colorPickerChildren,
      onAddColor,
      addTooltipContent,
      placeholder,
      popoverProps,
    } = this.props;
    return (
      <Box verticalAlign="middle">
        <ColorViewer
          value={value}
          active={active}
          disabled={disabled}
          size={size}
          placement={popoverPlacement}
          appendTo={popoverAppendTo}
          onClick={this.click}
          onChange={this._onPickerChange}
          onCancel={this.cancel}
          onConfirm={this.confirm}
          onClickOutside={this.confirm}
          children={colorPickerChildren}
          onAddColor={onAddColor}
          addTooltipContent={addTooltipContent}
          placeholder={placeholder}
          popoverProps={popoverProps}
        />
      </Box>
    );
  };

  _onChange = evt => {
    const { onChange } = this.props;
    const value = normalizeHexInput(evt.target.value);
    this.setState({ value }, () => onChange(value));
  };

  _onPickerChange = value => {
    const { onChange } = this.props;
    this.setState({ active: true, value }, () => onChange(value));
  };

  _onFocus = () => this.setState({ active: true });

  _keyDown = e => {
    e.stopPropagation();
    e.key === 'Enter' && this.confirm();
    e.key === 'Escape' && this.cancel();
  };
  /**
   * clicks the input element
   * @returns {Void}
   */
  click = () => {
    this.input.focus();
    this.setState({ active: true });
  };
  /**
   * sets the picked color
   * @returns {Void}
   */
  confirm = () => {
    const { onConfirm, onChange } = this.props;
    const value = validateHex(this.state.value);
    this.setState({ active: false, value, previous: value }, () => {
      onConfirm(value);
      onChange(value);
    });
  };
  /**
   * sets the previous color
   * @returns {Void}
   */

  cancel = () => {
    const { onCancel, onChange } = this.props;
    const { previous } = this.state;

    this.setState({ active: false, value: previous }, () => {
      onCancel(previous);
      onChange(previous);
    });
  };

  render() {
    const { placeholder, size, ...rest } = this.props;
    const { active, value } = this.state;
    return (
      <Input
        {...rest}
        ref={input => (this.input = input)}
        placeholder={active ? '' : placeholder}
        size={size}
        onKeyDown={this._keyDown}
        onChange={this._onChange}
        onFocus={this._onFocus}
        onInputClicked={this.click}
        value={value.replace('#', '')}
        prefix={this._renderPrefix()}
        suffix={this._renderSuffix()}
      />
    );
  }
}

export default ColorInput;