You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
383 lines
12 KiB
383 lines
12 KiB
<script>
|
|
import PropTypes from '../_util/vue-types'
|
|
import VcCascader from '../vc-cascader'
|
|
import arrayTreeFilter from 'array-tree-filter'
|
|
import classNames from 'classnames'
|
|
import omit from 'omit.js'
|
|
import KeyCode from '../_util/KeyCode'
|
|
import Input from '../input'
|
|
import Icon from '../icon'
|
|
import { hasProp, filterEmpty, getOptionProps } from '../_util/props-util'
|
|
import BaseMixin from '../_util/BaseMixin'
|
|
|
|
const CascaderOptionType = PropTypes.shape({
|
|
value: PropTypes.string.isRequired,
|
|
label: PropTypes.any.isRequired,
|
|
disabled: PropTypes.bool,
|
|
children: PropTypes.array,
|
|
__IS_FILTERED_OPTION: PropTypes.bool,
|
|
}).loose
|
|
|
|
const CascaderExpandTrigger = PropTypes.oneOf(['click', 'hover'])
|
|
|
|
const ShowSearchType = PropTypes.shape({
|
|
filter: PropTypes.func,
|
|
render: PropTypes.func,
|
|
sort: PropTypes.func,
|
|
matchInputWidth: PropTypes.bool,
|
|
}).loose
|
|
function noop () {}
|
|
|
|
const CascaderProps = {
|
|
/** 可选项数据源 */
|
|
options: PropTypes.arrayOf(CascaderOptionType).def([]),
|
|
/** 默认的选中项 */
|
|
defaultValue: PropTypes.arrayOf(PropTypes.string),
|
|
/** 指定选中项 */
|
|
value: PropTypes.arrayOf(PropTypes.string),
|
|
/** 选择完成后的回调 */
|
|
// onChange?: (value: string[], selectedOptions?: CascaderOptionType[]) => void;
|
|
/** 选择后展示的渲染函数 */
|
|
displayRender: PropTypes.func,
|
|
transitionName: PropTypes.string.def('slide-up'),
|
|
popupStyle: PropTypes.object.def({}),
|
|
/** 自定义浮层类名 */
|
|
popupClassName: PropTypes.string,
|
|
/** 浮层预设位置：`bottomLeft` `bottomRight` `topLeft` `topRight` */
|
|
popupPlacement: PropTypes.oneOf(['bottomLeft', 'bottomRight', 'topLeft', 'topRight']).def('bottomLeft'),
|
|
/** 输入框占位文本*/
|
|
placeholder: PropTypes.string.def('Please select'),
|
|
/** 输入框大小，可选 `large` `default` `small` */
|
|
size: PropTypes.oneOf(['large', 'default', 'small']),
|
|
/** 禁用*/
|
|
disabled: PropTypes.bool.def(false),
|
|
/** 是否支持清除*/
|
|
allowClear: PropTypes.bool.def(true),
|
|
showSearch: PropTypes.oneOfType([PropTypes.bool, ShowSearchType]),
|
|
notFoundContent: PropTypes.any.def('Not Found'),
|
|
loadData: PropTypes.func,
|
|
/** 次级菜单的展开方式，可选 'click' 和 'hover' */
|
|
expandTrigger: CascaderExpandTrigger,
|
|
/** 当此项为 true 时，点选每级菜单选项值都会发生变化 */
|
|
changeOnSelect: PropTypes.bool,
|
|
/** 浮层可见变化时回调 */
|
|
// onPopupVisibleChange?: (popupVisible: boolean) => void;
|
|
prefixCls: PropTypes.string.def('ant-cascader'),
|
|
inputPrefixCls: PropTypes.string.def('ant-input'),
|
|
getPopupContainer: PropTypes.func,
|
|
popupVisible: PropTypes.bool,
|
|
}
|
|
|
|
function defaultFilterOption (inputValue, path) {
|
|
return path.some(option => option.label.indexOf(inputValue) > -1)
|
|
}
|
|
|
|
function defaultSortFilteredOption (a, b, inputValue) {
|
|
function callback (elem) {
|
|
return elem.label.indexOf(inputValue) > -1
|
|
}
|
|
|
|
return a.findIndex(callback) - b.findIndex(callback)
|
|
}
|
|
|
|
const defaultDisplayRender = ({ labels }) => labels.join(' / ')
|
|
|
|
export default {
|
|
mixins: [BaseMixin],
|
|
props: CascaderProps,
|
|
model: {
|
|
prop: 'value',
|
|
event: 'change',
|
|
},
|
|
data () {
|
|
this.cachedOptions = []
|
|
const { value, defaultValue, popupVisible, showSearch, options, changeOnSelect, flattenTree } = this
|
|
return {
|
|
sValue: value || defaultValue || [],
|
|
inputValue: '',
|
|
inputFocused: false,
|
|
sPopupVisible: popupVisible,
|
|
flattenOptions: showSearch && flattenTree(options, changeOnSelect),
|
|
}
|
|
},
|
|
watch: {
|
|
value (val) {
|
|
this.setState({ sValue: val || [] })
|
|
},
|
|
popupVisible (val) {
|
|
this.setState({ sPopupVisible: val })
|
|
},
|
|
options (val) {
|
|
if (this.showSearch) {
|
|
this.setState({ flattenOptions: this.flattenTree(this.options, this.changeOnSelect) })
|
|
}
|
|
},
|
|
},
|
|
methods: {
|
|
highlightKeyword (str, keyword, prefixCls) {
|
|
return str.split(keyword)
|
|
.map((node, index) => index === 0 ? node : [
|
|
<span class={`${prefixCls}-menu-item-keyword`} key='seperator'>{keyword}</span>,
|
|
node,
|
|
])
|
|
},
|
|
|
|
defaultRenderFilteredOption (inputValue, path, prefixCls) {
|
|
return path.map(({ label }, index) => {
|
|
const node = label.indexOf(inputValue) > -1
|
|
? this.highlightKeyword(label, inputValue, prefixCls) : label
|
|
return index === 0 ? node : [' / ', node]
|
|
})
|
|
},
|
|
handleChange (value, selectedOptions) {
|
|
this.setState({ inputValue: '' })
|
|
if (selectedOptions[0].__IS_FILTERED_OPTION) {
|
|
const unwrappedValue = value[0]
|
|
const unwrappedSelectedOptions = selectedOptions[0].path
|
|
this.setValue(unwrappedValue, unwrappedSelectedOptions)
|
|
return
|
|
}
|
|
this.setValue(value, selectedOptions)
|
|
},
|
|
|
|
handlePopupVisibleChange (popupVisible) {
|
|
if (!hasProp(this, 'popupVisible')) {
|
|
this.setState({
|
|
sPopupVisible: popupVisible,
|
|
inputFocused: popupVisible,
|
|
inputValue: popupVisible ? this.inputValue : '',
|
|
})
|
|
}
|
|
this.$emit('popupVisibleChange', popupVisible)
|
|
},
|
|
|
|
handleInputBlur () {
|
|
this.setState({
|
|
inputFocused: false,
|
|
})
|
|
},
|
|
|
|
handleInputClick (e) {
|
|
const { inputFocused, sPopupVisible } = this
|
|
// Prevent `Trigger` behaviour.
|
|
if (inputFocused || sPopupVisible) {
|
|
e.stopPropagation()
|
|
e.nativeEvent.stopImmediatePropagation()
|
|
}
|
|
},
|
|
|
|
handleKeyDown (e) {
|
|
if (e.keyCode === KeyCode.BACKSPACE) {
|
|
e.stopPropagation()
|
|
}
|
|
},
|
|
|
|
handleInputChange (e) {
|
|
const inputValue = e.target.value
|
|
this.setState({ inputValue })
|
|
},
|
|
|
|
setValue (value, selectedOptions) {
|
|
if (!hasProp(this, 'value')) {
|
|
this.setState({ sValue: value })
|
|
}
|
|
this.$emit('change', value, selectedOptions)
|
|
},
|
|
|
|
getLabel () {
|
|
const { options, $scopedSlots } = this
|
|
const displayRender = this.displayRender || $scopedSlots.displayRender || defaultDisplayRender
|
|
const value = this.sValue
|
|
const unwrappedValue = Array.isArray(value[0]) ? value[0] : value
|
|
const selectedOptions = arrayTreeFilter(options,
|
|
(o, level) => o.value === unwrappedValue[level],
|
|
)
|
|
const labels = selectedOptions.map(o => o.label)
|
|
return displayRender({ labels, selectedOptions })
|
|
},
|
|
|
|
clearSelection (e) {
|
|
e.preventDefault()
|
|
e.stopPropagation()
|
|
if (!this.inputValue) {
|
|
this.setValue([])
|
|
this.handlePopupVisibleChange(false)
|
|
} else {
|
|
this.setState({ inputValue: '' })
|
|
}
|
|
},
|
|
|
|
flattenTree (options, changeOnSelect, ancestor = []) {
|
|
let flattenOptions = []
|
|
options.forEach((option) => {
|
|
const path = ancestor.concat(option)
|
|
if (changeOnSelect || !option.children || !option.children.length) {
|
|
flattenOptions.push(path)
|
|
}
|
|
if (option.children) {
|
|
flattenOptions = flattenOptions.concat(this.flattenTree(option.children, changeOnSelect, path))
|
|
}
|
|
})
|
|
return flattenOptions
|
|
},
|
|
|
|
generateFilteredOptions (prefixCls) {
|
|
const { showSearch, notFoundContent, flattenOptions, inputValue } = this
|
|
const {
|
|
filter = defaultFilterOption,
|
|
render = this.defaultRenderFilteredOption,
|
|
sort = defaultSortFilteredOption,
|
|
} = showSearch
|
|
const filtered = flattenOptions.filter((path) => filter(inputValue, path))
|
|
.sort((a, b) => sort(a, b, inputValue))
|
|
|
|
if (filtered.length > 0) {
|
|
return filtered.map((path) => {
|
|
return {
|
|
__IS_FILTERED_OPTION: true,
|
|
path,
|
|
label: render(inputValue, path, prefixCls),
|
|
value: path.map((o) => o.value),
|
|
disabled: path.some((o) => o.disabled),
|
|
}
|
|
})
|
|
}
|
|
return [{ label: notFoundContent, value: 'ANT_CASCADER_NOT_FOUND', disabled: true }]
|
|
},
|
|
|
|
focus () {
|
|
this.$refs.input.focus()
|
|
},
|
|
|
|
blur () {
|
|
this.$refs.input.blur()
|
|
},
|
|
},
|
|
|
|
render () {
|
|
const { $slots, sValue: value, sPopupVisible, inputValue } = this
|
|
const props = getOptionProps(this)
|
|
const {
|
|
prefixCls, inputPrefixCls, placeholder, size, disabled,
|
|
allowClear, showSearch = false, ...otherProps } = props
|
|
|
|
const sizeCls = classNames({
|
|
[`${inputPrefixCls}-lg`]: size === 'large',
|
|
[`${inputPrefixCls}-sm`]: size === 'small',
|
|
})
|
|
const clearIcon = (allowClear && !disabled && value.length > 0) || inputValue ? (
|
|
<Icon
|
|
type='cross-circle'
|
|
class={`${prefixCls}-picker-clear`}
|
|
onClick={this.clearSelection}
|
|
/>
|
|
) : null
|
|
const arrowCls = classNames({
|
|
[`${prefixCls}-picker-arrow`]: true,
|
|
[`${prefixCls}-picker-arrow-expand`]: sPopupVisible,
|
|
})
|
|
const pickerCls = classNames(
|
|
`${prefixCls}-picker`, {
|
|
[`${prefixCls}-picker-with-value`]: inputValue,
|
|
[`${prefixCls}-picker-disabled`]: disabled,
|
|
[`${prefixCls}-picker-${size}`]: !!size,
|
|
})
|
|
|
|
// Fix bug of https://github.com/facebook/react/pull/5004
|
|
// and https://fb.me/react-unknown-prop
|
|
const tempInputProps = omit(otherProps, [
|
|
'options',
|
|
'popupPlacement',
|
|
'transitionName',
|
|
'displayRender',
|
|
'changeOnSelect',
|
|
'expandTrigger',
|
|
'popupVisible',
|
|
'getPopupContainer',
|
|
'loadData',
|
|
'popupClassName',
|
|
'filterOption',
|
|
'renderFilteredOption',
|
|
'sortFilteredOption',
|
|
'notFoundContent',
|
|
'defaultValue',
|
|
])
|
|
|
|
let options = this.options
|
|
if (inputValue) {
|
|
options = this.generateFilteredOptions(prefixCls)
|
|
}
|
|
// Dropdown menu should keep previous status until it is fully closed.
|
|
if (!sPopupVisible) {
|
|
options = this.cachedOptions
|
|
} else {
|
|
this.cachedOptions = options
|
|
}
|
|
|
|
const dropdownMenuColumnStyle = {}
|
|
const isNotFound = (options || []).length === 1 && options[0].value === 'ANT_CASCADER_NOT_FOUND'
|
|
if (isNotFound) {
|
|
dropdownMenuColumnStyle.height = 'auto' // Height of one row.
|
|
}
|
|
// The default value of `matchInputWidth` is `true`
|
|
const resultListMatchInputWidth = showSearch.matchInputWidth !== false
|
|
if (resultListMatchInputWidth && inputValue && this.input) {
|
|
dropdownMenuColumnStyle.width = this.input.input.offsetWidth
|
|
}
|
|
const inputProps = {
|
|
props: {
|
|
...tempInputProps,
|
|
prefixCls: inputPrefixCls,
|
|
placeholder: value && value.length > 0 ? undefined : placeholder,
|
|
value: inputValue,
|
|
disabled: disabled,
|
|
readOnly: !showSearch,
|
|
autoComplete: 'off',
|
|
},
|
|
class: `${prefixCls}-input ${sizeCls}`,
|
|
ref: 'input',
|
|
on: {
|
|
click: showSearch ? this.handleInputClick : noop,
|
|
blur: showSearch ? this.handleInputBlur : noop,
|
|
keydown: this.handleKeyDown,
|
|
change: showSearch ? this.handleInputChange : noop,
|
|
},
|
|
}
|
|
const children = filterEmpty($slots.default)
|
|
const input = children.length ? children : (
|
|
<span
|
|
class={pickerCls}
|
|
>
|
|
{ showSearch ? <span class={`${prefixCls}-picker-label`}>
|
|
{this.getLabel()}
|
|
</span> : null}
|
|
<Input {...inputProps}/>
|
|
{ !showSearch ? <span class={`${prefixCls}-picker-label`}>
|
|
{this.getLabel()}
|
|
</span> : null}
|
|
{clearIcon}
|
|
<Icon type='down' class={arrowCls} />
|
|
</span>
|
|
)
|
|
const cascaderProps = {
|
|
props: {
|
|
...props,
|
|
options: options,
|
|
value: value,
|
|
popupVisible: sPopupVisible,
|
|
dropdownMenuColumnStyle: dropdownMenuColumnStyle,
|
|
},
|
|
on: {
|
|
popupVisibleChange: this.handlePopupVisibleChange,
|
|
change: this.handleChange,
|
|
},
|
|
}
|
|
return (
|
|
<VcCascader {...cascaderProps}>
|
|
{input}
|
|
</VcCascader>
|
|
)
|
|
},
|
|
}
|
|
|
|
</script> |