107 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
import React from 'react';
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import PropTypes from 'prop-types';
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import classNames from 'classnames';
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import withStyles from '../styles/withStyles';
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import { capitalize } from '../utils/helpers';
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const RADIUS = 12;
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export const styles = theme => ({
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  root: {
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    position: 'relative',
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    display: 'inline-flex',
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    // For correct alignment with the text.
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    verticalAlign: 'middle',
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  },
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  badge: {
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    display: 'flex',
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    flexDirection: 'row',
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    flexWrap: 'wrap',
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    justifyContent: 'center',
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    alignContent: 'center',
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    alignItems: 'center',
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    position: 'absolute',
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    top: -RADIUS,
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    right: -RADIUS,
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    fontFamily: theme.typography.fontFamily,
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    fontWeight: theme.typography.fontWeight,
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    fontSize: theme.typography.pxToRem(RADIUS),
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    width: RADIUS * 2,
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    height: RADIUS * 2,
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    borderRadius: '50%',
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    backgroundColor: theme.palette.color,
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    color: theme.palette.textColor,
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    zIndex: 1, // Render the badge on top of potential ripples.
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  },
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  colorPrimary: {
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    backgroundColor: theme.palette.primary.main,
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    color: theme.palette.primary.contrastText,
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  },
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  colorSecondary: {
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    backgroundColor: theme.palette.secondary.main,
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    color: theme.palette.secondary.contrastText,
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  },
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  colorError: {
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    backgroundColor: theme.palette.error.main,
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    color: theme.palette.error.contrastText,
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  },
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});
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function Badge(props) {
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  const {
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    badgeContent,
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    children,
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    classes,
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    className: classNameProp,
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    color,
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    component: ComponentProp,
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    ...other
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  } = props;
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  const badgeClassName = classNames(classes.badge, {
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    [classes[`color${capitalize(color)}`]]: color !== 'default',
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  });
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  return (
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    <ComponentProp className={classNames(classes.root, classNameProp)} {...other}>
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      {children}
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      <span className={badgeClassName}>{badgeContent}</span>
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    </ComponentProp>
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  );
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}
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Badge.propTypes = {
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  /**
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   * The content rendered within the badge.
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   */
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  badgeContent: PropTypes.node.isRequired,
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  /**
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   * The badge will be added relative to this node.
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   */
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  children: PropTypes.node.isRequired,
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  /**
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   * Useful to extend the style applied to components.
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   */
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  classes: PropTypes.object.isRequired,
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  /**
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   * @ignore
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   */
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  className: PropTypes.string,
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  /**
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   * The color of the component. It supports those theme colors that make sense for this component.
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   */
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  color: PropTypes.oneOf(['default', 'primary', 'secondary', 'error']),
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  /**
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   * The component used for the root node.
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   * Either a string to use a DOM element or a component.
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   */
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  component: PropTypes.oneOfType([PropTypes.string, PropTypes.func]),
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};
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Badge.defaultProps = {
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  color: 'default',
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  component: 'span',
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};
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export default withStyles(styles, { name: 'MuiBadge' })(Badge);
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