# All files / react/Modal index.jsx

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     import React, { Component } from 'react'
    import PropTypes from 'prop-types'
    import cx from 'classnames'
    import styles from './styles.styl'
    import Overlay from '../Overlay'
    import { Button } from '../Button'
    import Icon from '../Icon'
    import migrateProps from '../helpers/migrateProps'
    import palette from '../../stylus/settings/palette.json'
    import Portal from 'preact-portal'

    class AnimatedContentHeader extends Component {
      render() {
        return this.props.children
      }
    }

    class ModalContent extends Component {
      constructor(props) {
        super(props)
        this.state = { displayGhostHeader: false }

        const { children } = this.props
        // extract the animated header component
        this.animatedHeader = React.Children.toArray(children).find(
          child => child.nodeName === AnimatedContentHeader
        )
        this.childrenToRender = this.animatedHeader
          ? React.Children.map(
              children,
              child => (child.nodeName !== AnimatedContentHeader ? child : null)
            )
          : children
      }

      componentDidMount() {
        this.scrollingContent.addEventListener('scroll', this.handleScroll, {
          passive: true
        })
      }

      componentWillUnmount() {
        this.scrollingContent.removeEventListener('scroll', this.handleScroll)
      }

      handleScroll = () => {
        const { headerHeight } = this
        if (!headerHeight && this.contentHeader.clientHeight) {
          this.headerHeight = this.contentHeader.clientHeight
          return
        }
        if (
          !this.state.displayGhostHeader &&
          this.scrollingContent.scrollTop > headerHeight - 20
        ) {
          this.setState(() => ({ displayGhostHeader: true }))
        } else if (
          this.state.displayGhostHeader &&
          this.scrollingContent.scrollTop < headerHeight - 20
        ) {
          this.setState(() => ({ displayGhostHeader: false }))
        }
      }

      render() {
        const { className } = this.props

        const { displayGhostHeader } = this.state

        return (
          <div
            className={cx(styles['c-modal-content'], className)}
            ref={div => {
              this.scrollingContent = div
            }}
          >
            {this.animatedHeader && (
              <div
                className={this.animatedHeader.className}
                ref={div => {
                  this.contentHeader = div
                }}
              >
                <h2 className={styles['c-modal-illu-header']}>
                  {this.animatedHeader.children}
                </h2>
                <div
                  className={cx(styles['c-modal-illu-header--ghost'], {
                    [styles['is-active']]: displayGhostHeader
                  })}
                >
                  {this.animatedHeader.children}
                </div>
              </div>
            )}
            {this.childrenToRender}
          </div>
        )
      }
    }

    const ModalDescription = ModalContent

    const ModalSection = ({ children, className }) => (
      <div
        className={cx(
          styles['c-modal-content'],
          styles['c-modal-section'],
          className
        )}
      >
        {children}
      </div>
    )

    const ModalBrandedHeader = ({ logo, bg, className, style = {} }) => (
      <h2
        className={cx(styles['c-modal-header--branded'], className)}
        style={{ background: bg, ...style }}
      >
        <img src={logo} alt="" />
      </h2>
    )

    const ModalHeader = ({
      title,
      children,
      className,
      appIcon,
      appName,
      appEditor,
      style
    }) => {
      const isTitle = typeof children === 'string'
      return (
        <div className={cx(styles['c-modal-header'], className)} style={style}>
          {title && <h2>{title}</h2>}
          {isTitle ? <h2>{children}</h2> : children}
          {appName && (
            <h2 className={styles['c-modal-app']}>
              {appIcon && <img className={styles['c-app-icon']} src={appIcon} />}
              {appEditor && (
                <span className={styles['c-app-editor']}>{appEditor}&nbsp;</span>
              )}
              {appName}
            </h2>
          )}
        </div>
      )
    }

    const ModalTitle = props => {
      console.log('ModalTitle is a deprecated component, use ModalHeader instead')
      return <ModalHeader {...props} />
    }

    const ModalCross = ({ onClick, color, className }) => (
      <Button
        theme="close"
        className={cx(styles['c-modal-close'], className)}
        onClick={onClick}
        extension="narrow"
      >
        <Icon
          icon="cross"
          width="24"
          height="24"
          color={color || palette['coolGrey']}
        />
      </Button>
    )

    const ModalFooter = ({
      secondaryText,
      secondaryAction,
      secondaryType,
      primaryText,
      primaryAction,
      primaryType,
      children,
      className
    }) => {
      const displayPrimary = primaryText && primaryAction
      const displaySecondary = secondaryText && secondaryAction
      return (
        <div
          className={cx(
            styles['c-modal-footer'],
            {
              [styles['c-modal-footer--button']]: displayPrimary || displaySecondary
            },
            className
          )}
        >
          {children}
          {displaySecondary && (
            <Button
              theme={secondaryType}
              onClick={secondaryAction}
              label={secondaryText}
            />
          )}
          {displayPrimary && (
            <Button
              theme={primaryType}
              onClick={primaryAction}
              label={primaryText}
            />
          )}
        </div>
      )
    }

    const ModalButtons = props => {
      console.log('ModalButtons is a deprecated component, use ModalFooter instead')
      return <ModalFooter {...props} />
    }

    class Modal extends Component {
      handleOutsideClick = e => {
        if (e.target === e.currentTarget) this.props.dismissAction()
      }

      render() {
        const {
          children,
          description,
          title,
          closable,
          dismissAction,
          overflowHidden,
          className,
          crossClassName,
          crossColor,
          into,
          size,
          height,
          width,
          spacing,
          mobileFullscreen,
          overlayClassName,
          wrapperClassName
        } = this.props
        const {
          primaryText,
          primaryAction,
          primaryType,
          secondaryText,
          secondaryAction,
          secondaryType
        } = this.props
        const style = Object.assign({}, height && { height }, width && { width })
        const maybeWrapInPortal = children =>
          into ? <Portal into={into}>{children}</Portal> : children
        return maybeWrapInPortal(
          <div className={styles['c-modal-container']}>
            <Overlay
              onEscape={closable && dismissAction}
              className={overlayClassName}
            >
              <div
                className={cx(
                  styles['c-modal-wrapper'],
                  {
                    [styles['c-modal-wrapper--fullscreen']]: mobileFullscreen
                  },
                  wrapperClassName
                )}
                style={style}
                onClick={closable && this.handleOutsideClick}
              >
                <div
                  className={cx(
                    styles['c-modal'],
                    styles[`c-modal--${size}`],
                    className,
                    {
                      [styles['c-modal--overflowHidden']]: overflowHidden,
                      [styles[`c-modal--${spacing}-spacing`]]: spacing,
                      [styles['c-modal--fullscreen']]: mobileFullscreen,
                      [styles['c-modal--closable']]: closable
                    }
                  )}
                >
                  {closable && (
                    <ModalCross
                      className={cx(crossClassName, {
                        [styles['c-modal-close--notitle']]: !title
                      })}
                      onClick={dismissAction}
                      color={crossColor}
                    />
                  )}
                  {title && <ModalHeader title={title} />}
                  {description && (
                    <ModalDescription>{description}</ModalDescription>
                  )}
                  {children}
                  {(primaryText && primaryAction) ||
                  (secondaryText && secondaryAction) ? (
                    <ModalFooter
                      primaryText={primaryText}
                      primaryAction={primaryAction}
                      primaryType={primaryType}
                      secondaryText={secondaryText}
                      secondaryAction={secondaryAction}
                      secondaryType={secondaryType}
                    />
                  ) : null}
                </div>
              </div>
            </Overlay>
          </div>
        )
      }
    }

    Modal.propTypes = {
      /** Modal title */
      title: PropTypes.node,
      /** Content for simple modals */
      description: PropTypes.node,
      /** Secondary button type */
      secondaryType: PropTypes.string,
      /** Secondary button text */
      secondaryText: PropTypes.string,
      /** Secondary button callback */
      secondaryAction: PropTypes.func,
      /** Primary button type */
      primaryType: PropTypes.string,
      /** Primary button text */
      primaryText: PropTypes.string,
      /** Primary button callback */
      primaryAction: PropTypes.func,
      /** Display the cross and enable click outside and escape key to close */
      closable: PropTypes.bool,
      /** Use overflowHidden when your content may overflow of your modal */
      overflowHidden: PropTypes.bool,
      /** `className` used on the modal, useful if you want to custom its CSS */
      className: PropTypes.string,
      /** `className` used on the cross, useful if you want to custom its CSS */
      crossClassName: PropTypes.string,
      /** `crossColor` to overwrite the default color of the cross button */
      crossColor: PropTypes.string,
      /** If has a value, the modal will be rendered inside a portal and its value will be passed to Portal
       to control the rendering destination of the Modal */
      into: PropTypes.string,
      size: PropTypes.oneOf(['small', 'medium', 'large', 'xlarge', 'xxlarge']),
      height: PropTypes.string,
      width: PropTypes.string,
      spacing: PropTypes.oneOf(['small', 'large']),
      /** If you want your modal taking all the screen on mobile */
      mobileFullscreen: PropTypes.bool,
      /** className to apply to Overlay component */
      overlayClassName: PropTypes.string,
      /** className to apply to wrapper element */
      wrapperClassName: PropTypes.string
    }

    Modal.defaultProps = {
      primaryType: 'regular',
      secondaryType: 'secondary',
      closable: true,
      overflowHidden: false,
      size: 'small',
      mobileFullscreen: false
    }

    ModalBrandedHeader.propTypes = {
      /** `bg` can be any type of color Hexa, RGB(A), HSL(A), gradient… anything that CSS allows for a color really */
      bg: PropTypes.string.isRequired,
      /** `logo` should be a path to any type of image file supported by browsers */
      logo: PropTypes.string.isRequired
    }

    ModalHeader.propTypes = {
      appIcon: PropTypes.string,
      appEditor: PropTypes.string,
      appName: PropTypes.string
    }

    ModalContent.propTypes = {
      iconSrc: PropTypes.node,
      iconDest: PropTypes.node
    }

    const EnhancedModal = migrateProps([
      { src: 'withCross', dest: 'closable' }, // withCross -> closable
      {
        fn: props => {
          let msg = null
          if (!props.into) {
            msg =
              'In the future, `into` default value will be "body" : Modals will be rendered inside a <Portal />. Try to render your Modal with into=`body`'
          }
          return [props, msg]
        }
      },
      {
        fn: props => {
          let newProps
          if (props.secondaryAction && !props.dismissAction) {
            newProps = { ...props }
            newProps.dismissAction = props.secondaryAction
            const msg =
              'In the future, `secondaryAction` will not be bound to closing actions (clicking on cross, clicking outside), please use `dismissAction` for that'
            return [newProps, msg]
          } else {
            return [props, null]
          }
        }
      }
    ])(Modal)

    EnhancedModal.propTypes = Modal.propTypes
    EnhancedModal.defaultProps = Modal.defaultProps

    // to be able to use them in Styleguidist
    Object.assign(EnhancedModal, {
      ModalContent,
      ModalSection,
      ModalFooter,
      ModalHeader,
      AnimatedContentHeader,
      ModalBrandedHeader,
      ModalDescription
    })

    export default EnhancedModal

    export {
      ModalContent,
      ModalSection,
      ModalFooter,
      ModalHeader,
      AnimatedContentHeader,
      ModalTitle,
      ModalButtons,
      ModalBrandedHeader,
      ModalDescription
    }