77 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import PropTypes from 'prop-types';
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| import { PureComponent } from 'react';
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| 
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| import { debounce } from 'lodash';
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| 
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| import ColumnHeader from '../../../components/column_header';
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| import { isMobile } from '../../../is_mobile';
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| import { scrollTop } from '../../../scroll';
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| 
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| export default class Column extends PureComponent {
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| 
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|   static propTypes = {
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|     heading: PropTypes.string,
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|     alwaysShowBackButton: PropTypes.bool,
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|     icon: PropTypes.string,
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|     iconComponent: PropTypes.func,
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|     children: PropTypes.node,
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|     active: PropTypes.bool,
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|     hideHeadingOnMobile: PropTypes.bool,
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|   };
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| 
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|   handleHeaderClick = () => {
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|     const scrollable = this.node.querySelector('.scrollable');
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| 
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|     if (!scrollable) {
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|       return;
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|     }
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| 
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|     this._interruptScrollAnimation = scrollTop(scrollable);
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|   };
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| 
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|   scrollTop () {
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|     const scrollable = this.node.querySelector('.scrollable');
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| 
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|     if (!scrollable) {
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|       return;
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|     }
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| 
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|     this._interruptScrollAnimation = scrollTop(scrollable);
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|   }
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| 
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| 
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|   handleScroll = debounce(() => {
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|     if (typeof this._interruptScrollAnimation !== 'undefined') {
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|       this._interruptScrollAnimation();
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|     }
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|   }, 200);
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| 
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|   setRef = (c) => {
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|     this.node = c;
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|   };
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| 
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|   render () {
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|     const { heading, icon, iconComponent, children, active, hideHeadingOnMobile, alwaysShowBackButton } = this.props;
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| 
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|     const showHeading = heading && (!hideHeadingOnMobile || (hideHeadingOnMobile && !isMobile(window.innerWidth)));
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| 
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|     const columnHeaderId = showHeading && heading.replace(/ /g, '-');
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| 
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|     const header = showHeading && (
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|       <ColumnHeader icon={icon} iconComponent={iconComponent} active={active} title={heading} onClick={this.handleHeaderClick} columnHeaderId={columnHeaderId} showBackButton={alwaysShowBackButton} />
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|     );
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|     return (
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|       <div
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|         ref={this.setRef}
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|         role='region'
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|         aria-labelledby={columnHeaderId}
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|         className='column'
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|         onScroll={this.handleScroll}
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|       >
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|         {header}
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|         {children}
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|       </div>
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|     );
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|   }
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| 
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| }
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