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* You may use and modify this code under the terms of the Kuali, Inc.
* Pre-Release License Agreement. You may not distribute it.
*
* You should have received a copy of the Kuali, Inc. Pre-Release License
* Agreement with this file. If not, please write to license@kuali.co.
*/
import PropTypes from 'prop-types'
import React from 'react'
import styles from './dialog.css'
import { cloneDeep, isEqual, noop, throttle } from 'lodash'
import { Dialog, Icon, RaisedButton } from '@kuali/kuali-ui'
export default class ItemDialog extends React.Component {
static displayName = 'ItemDialog'
static propTypes = {
readOnly: PropTypes.bool,
headers: PropTypes.array,
visible: PropTypes.bool,
item: PropTypes.object,
onClose: PropTypes.func,
onSave: PropTypes.func,
renderRow: PropTypes.func.isRequired,
itemIndex: PropTypes.number
}
static defaultProps = {
headers: [],
onChange: () => {}
}
constructor (props) {
super(props)
this.state = {
item: props.item || {},
bottomOfDialogSeen: false
}
this.initialItem = cloneDeep(props.item)
}
scrollListener = throttle(() => {
if (!this.state.bottomOfDialogSeen) {
const { scrollTop, clientHeight, scrollHeight } = this.dialogContainer
// 50px is meant to show at least some of the smallest possible field
// keyboard navigation won't always scroll to the absolute bottom of the config
if (
Math.ceil(scrollTop) + Math.ceil(clientHeight) >=
Math.floor(scrollHeight) - 50
) {
this.setState({ bottomOfDialogSeen: true })
}
}
}, 100)
handleScrollListener = morePrompt => {
if (morePrompt) {
this.dialogContainer = morePrompt.parentNode
this.dialogContainer.addEventListener('scroll', this.scrollListener)
this.scrollListener()
} else {
this.dialogContainer.removeEventListener('scroll', this.scrollListener)
}
}
componentWillReceiveProps (nextProps) {
if (!isEqual(this.props.item, nextProps.item)) {
this.setState({
item: nextProps.item || {}
})
}
}
get title () {
const { readOnly, item } = this.props
if (readOnly) {
return 'Details'
} else if (!item) {
// Our parent did not provide us with an item, its new
return 'Add'
} else {
return 'Edit'
}
}
// handlers
handleSave = _ => {
this.props.onSave(this.state.item)
}
handleClose = () => {
if (this.initialItem) {
this.props.onChange(this.initialItem)
}
this.props.onClose()
}
handleChange = (field, value) => {
const item = {
...this.state.item,
[field]: value
}
this.setState({ item })
this.props.onChange(item)
}
dialogButtons = () => {
if (this.props.readOnly) {
return null
}
return [
<RaisedButton label='Cancel' onClick={this.handleClose} variant='plain'>
<Icon variant='warning' name='close' />
</RaisedButton>,
<RaisedButton
className={this.state.bottomOfDialogSeen ? '' : styles.disabledButton}
label='Done'
onClick={this.state.bottomOfDialogSeen ? this.handleSave : noop}
tooltipLabel={
this.state.bottomOfDialogSeen
? ''
: 'Please view the remainder of this form by scrolling downward'
}
tooltipPosition='left'
variant='plain'
>
<Icon
variant={this.state.bottomOfDialogSeen ? 'success' : 'default'}
name='done'
/>
</RaisedButton>
]
}
dialogContent = () => {
const { readOnly, renderRow, headers, itemIndex } = this.props
const { item } = this.state
const templates = headers.map(header => header.template)
const newRow = renderRow(
readOnly ? 'view' : 'edit',
templates,
item,
this.handleChange,
itemIndex
)
return React.Children.map(newRow, child => {
return React.cloneElement(child, { className: styles['dialog-gadget'] })
})
}
render () {
const { visible } = this.props
return (
<Dialog
actions={this.dialogButtons()}
contentClassName={styles.dialog}
id='addEditItemDialog'
lastChild
modal
onHide={this.handleClose}
title={this.title}
visible={visible}
focusOnMount
>
<div
className={styles.morePrompt}
ref={this.handleScrollListener}
style={{ display: this.state.bottomOfDialogSeen ? 'none' : 'block' }}
>
<Icon name='chevron_left' className={styles.moreIcon} />
<div>MORE</div>
</div>
{this.dialogContent()}
</Dialog>
)
}
}
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