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| import React from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import { omit, uniqueId } from 'lodash';
/**
* @category containers
* @component list-item
* @variations collab-ui-react
*/
class ListItem extends React.Component {
state = {
id: this.props.id || uniqueId('cui-list-item-'),
};
componentWillMount() {
if (!this.props.children) return;
const checkAllChildren = this.getChildrenElements(['ListItemSection', 'EventOverlay']);
const checkSectionChildren = this.getChildrenElements(['ListItemSection']);
if (!checkAllChildren) {
return;
} else Iif (!checkAllChildren.isCorrectUsage) {
throw new Error(
`If ListItemSection Component is used all children must use ListItemSection Components.`
);
} else Iif (checkSectionChildren.length > 3) {
throw new Error(
`Only 3 ListItemSection components can be used as children. You've used ${
checkSectionChildren.length
}`
);
}
}
componentDidMount() {
const anchorCount = this.checkElements('A');
const { focus, refName, focusOnLoad } = this.props;
Iif (anchorCount.count > 1) {
throw new Error(
'Only 1 primary child anchor tag may be used with ListItem component'
);
} else Iif (anchorCount.count === 1 && anchorCount.children > 1) {
throw new Error('Anchor tag can not have sibling');
}
focusOnLoad && focus
&& this[refName]
&& this[refName].focus();
}
componentDidUpdate(prevProps) {
const { focus, refName } = this.props;
prevProps.focus !== focus
&& focus
&& this[refName]
&& this[refName].focus();
}
checkElements = tag => {
const children = Object.values(ReactDOM.findDOMNode(this).childNodes);
return this.countDOMChildren(children, tag);
};
countDOMChildren = (children, tag) =>
children.reduce(
(agg, child) => (
child.tagName === tag
? { ...agg, count: (agg.count += 1) }
: agg
), { count: 0, children: children.length }
);
getChildrenElements = nameArr => {
const { children } = this.props;
let elementCount = 0;
let childrenLength = 0;
React.Children.forEach(children, child => {
childrenLength++;
if (child.type && nameArr.includes(child.type.displayName)) {
return elementCount++;
}
});
return (
elementCount && {
isCorrectUsage: elementCount === childrenLength,
length: elementCount
}
);
};
handleClick = e => {
const {
disabled,
itemIndex,
label,
onClick,
value,
} = this.props;
const { setSelected } = this.context;
Iif(disabled) {
e.preventDefault();
e.stopPropagation();
}
e.persist();
setSelected && setSelected(e, itemIndex, value, label);
onClick && onClick(e);
}
handleKeyDown = e => {
const { disabled, itemIndex, onKeyDown } = this.props;
const { handleListKeyDown } = this.context;
Iif(disabled) {
e.preventDefault();
e.stopPropagation();
}
e.persist();
handleListKeyDown && handleListKeyDown(e, itemIndex);
onKeyDown && onKeyDown(e);
}
render() {
const {
active,
children,
className,
customAnchorNode,
customRefProp,
disabled,
focus,
isReadOnly,
label,
link,
refName,
role,
separator,
title,
type,
...props
} = this.props;
const { id } = this.state;
const otherProps = omit({...props}, [
'focusOnLoad',
'id',
'itemIndex',
'onClick',
'onKeyDown',
'value',
]);
const addRefToAnchor = node => {
return React.cloneElement(
node,
{
'aria-current': focus,
className:
'cui-list-item' +
`${(type && ` cui-list-item--${type}`) || ''}` +
`${(active && ` active`) || ''}` +
`${(disabled && ` disabled`) || ''}` +
`${(isReadOnly && ` cui-list-item--read-only`) || ''}` +
`${(separator && ` cui-list-item--separator`) || ''}` +
`${(className && ` ${className}`) || ''}` +
`${(node.props.className && ` ${node.props.className}`) || ''}`,
role: role,
...customRefProp && { [customRefProp]: ref => this[this.props.refName] = ref },
...id && { id },
...!isReadOnly && {
onClick: this.handleClick,
onKeyDown: this.handleKeyDown,
tabIndex: (!disabled && focus) ? 0 : -1,
},
...otherProps,
...(title || label) && {title: title || label}
},
children || node.props.children || label
);
};
const customProps = {
'aria-current': focus,
className:
'cui-list-item' +
`${(type && ` cui-list-item--${type}`) || ''}` +
`${(active && ` active`) || ''}` +
`${(disabled && ` disabled`) || ''}` +
`${(isReadOnly && ` cui-list-item--read-only`) || ''}` +
`${(separator && ` cui-list-item--separator`) || ''}` +
`${(className && ` ${className}`) || ''}`,
id: id,
role: role,
ref: ref => (this[refName] = ref),
...!isReadOnly && {
onClick: this.handleClick,
onKeyDown: this.handleKeyDown,
tabIndex: (!disabled && focus) ? 0 : -1,
},
...link && { href: link },
...otherProps,
...(title || label) && { title: title || label }
};
return customAnchorNode
? addRefToAnchor(customAnchorNode)
: React.createElement(
link ? 'a' : 'div',
{
...customProps
},
children || label
);
}
}
ListItem.propTypes = {
/** @prop Active prop to help determine styles | false */
active: PropTypes.bool,
/** @prop Children nodes to render inside ListItem | null */
children: PropTypes.node,
/** @prop Optional css class string | '' */
className: PropTypes.string,
/** @prop Node in which the selection begins | null */
customAnchorNode: PropTypes.element,
/** @prop ListItem Custom Prop Name for child with custom Ref | null */
customRefProp: PropTypes.string,
/** @prop Disabled attribute for ListItem to determine styles | false */
disabled: PropTypes.bool,
/** @prop Specifies if ListItem should automatically get focus | false */
focus: PropTypes.bool,
/** @prop Specifies if ListItem should automatically get focus when page loads | false */
focusOnLoad: PropTypes.bool,
/** @prop Sets ListItem id | null */
id: PropTypes.string,
/** @prop Determines if ListItem is clickable | false */
isReadOnly: PropTypes.bool,
/** @prop ListItem index number | null */
itemIndex: PropTypes.number,
/** @prop ListItem label text | '' */
label: PropTypes.string,
/** @prop external link associated input | '' */
link: PropTypes.string,
/** @prop Callback function invoked by user tapping on ListItem | null */
onClick: PropTypes.func,
/** @prop Callback function invoked by user pressing on a key | null */
onKeyDown: PropTypes.func,
/** @prop ListItem ref name | 'navLink' */
refName: PropTypes.string,
/** @prop Aria role | 'listItem' */
role: PropTypes.string,
/** @prop Prop that controls whether to show separator or not | false */
separator: PropTypes.bool,
/** @prop ListItem Title | '' */
title: PropTypes.string,
/** @prop ListItem size | '' */
type: PropTypes.oneOf(['', 'small', 'large', 'xlarge', 'space', 'header', 36, 52, 60]),
/** @prop ListItem value for OnSelect value | '' */
value: PropTypes.oneOfType([
PropTypes.string,
PropTypes.number,
PropTypes.object,
PropTypes.array
]),
};
ListItem.defaultProps = {
active: false,
children: null,
className: '',
customAnchorNode: null,
customRefProp: '',
disabled: false,
focus: false,
focusOnLoad: false,
id: null,
itemIndex: null,
isReadOnly: false,
label: '',
link: '',
onClick: null,
onKeyDown: null,
refName: 'navLink',
role: 'listItem',
separator: false,
title: '',
type: '',
value: '',
};
ListItem.contextTypes = {
setSelected: PropTypes.func,
handleListKeyDown: PropTypes.func
};
ListItem.displayName = 'ListItem';
export default ListItem;
/**
* @component list
* @section default
* @react
*
import { List, ListItem } from '@collab-ui/react';
export default class ListItemDefault extends React.PureComponent {
render() {
return(
<div className="medium-4 columns">
<div>
<List>
<ListItem label='Default List Item 1' />
<ListItem label='Default List Item 2' />
</List>
</div>
<div className="cui--contrast">
<List>
<ListItem label='List Item 1 (with Contrast)' />
<ListItem label='List Item 2 (with Contrast)' />
</List>
</div>
</div>
);
}
}
**/
/**
* @component list
* @section list-item-sections
* @react
*
import { List, ListItem, ListItemSection } from '@collab-ui/react';
export default class ListItemSections extends React.PureComponent {
render() {
return(
<div className="medium-4 columns">
<List>
<ListItem link='javascript:void(0)'>
<ListItemSection position='left'>
Left
</ListItemSection>
<ListItemSection position='right'>
Right
</ListItemSection>
</ListItem>
<ListItem link='javascript:void(0)'>
<ListItemSection position='center'>
Center
</ListItemSection>
</ListItem>
<ListItem link='javascript:void(0)'>
<ListItemSection position='center-align'>
Center Align
</ListItemSection>
</ListItem>
<ListItem link='javascript:void(0)'>
<ListItemSection position='left'>
Left
</ListItemSection>
<ListItemSection position='center'>
Center
</ListItemSection>
<ListItemSection position='right'>
Right
</ListItemSection>
</ListItem>
</List>
</div>
);
}
}
**/
/**
* @component list
* @section list-item-separator
* @react
*
import { List, ListItem, ListItemSection } from '@collab-ui/react';
export default class ListItemSeparator extends React.PureComponent {
render() {
return(
<ListSeparator
text='Text Color'
textColor='orange'
lineColor='red'
/>
);
}
}
**/
|