170 lines
3.8 KiB
JavaScript
170 lines
3.8 KiB
JavaScript
import { getPropsData, getSlotOptions, getKey } from '../_util/props-util'
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export function getValuePropValue (child) {
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const props = getPropsData(child)
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if ('value' in props) {
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return props.value
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}
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if (getKey(child)) {
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return getKey(child)
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}
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if (getSlotOptions(child).isSelectOptGroup && props.label) {
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return props.label
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}
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throw new Error(
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`Need at least a key or a value or a label (only for OptGroup) for ${child}`
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)
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}
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export function getPropValue (child, prop) {
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if (prop === 'value') {
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return getValuePropValue(child)
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}
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if (prop === 'children') {
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if (child.$slots) {
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return child.$slots.default
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} else {
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return child.componentOptions.children
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}
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}
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return getPropsData(child)[prop]
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}
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export function isMultiple (props) {
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return props.multiple
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}
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export function isCombobox (props) {
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return props.combobox
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}
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export function isMultipleOrTags (props) {
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return props.multiple || props.tags
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}
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export function isMultipleOrTagsOrCombobox (props) {
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return isMultipleOrTags(props) || isCombobox(props)
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}
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export function isSingleMode (props) {
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return !isMultipleOrTagsOrCombobox(props)
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}
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export function toArray (value) {
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let ret = value
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if (value === undefined) {
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ret = []
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} else if (!Array.isArray(value)) {
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ret = [value]
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}
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return ret
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}
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export function preventDefaultEvent (e) {
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e.preventDefault()
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}
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export function findIndexInValueByKey (value, key) {
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let index = -1
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for (let i = 0; i < value.length; i++) {
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if (value[i].key === key) {
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index = i
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break
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}
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}
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return index
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}
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export function findIndexInValueByLabel (value, label) {
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let index = -1
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for (let i = 0; i < value.length; i++) {
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if (toArray(value[i].label).join('') === label) {
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index = i
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break
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}
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}
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return index
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}
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export function getSelectKeys (menuItems, value) {
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if (value === null || value === undefined) {
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return []
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}
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let selectedKeys = []
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menuItems.forEach(item => {
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if (getSlotOptions(item).isMenuItemGroup) {
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selectedKeys = selectedKeys.concat(
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getSelectKeys(item.componentOptions.children, value)
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)
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} else {
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const itemValue = getValuePropValue(item)
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const itemKey = item.key
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if (findIndexInValueByKey(value, itemValue) !== -1 && itemKey) {
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selectedKeys.push(itemKey)
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}
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}
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})
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return selectedKeys
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}
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export const UNSELECTABLE_STYLE = {
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userSelect: 'none',
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WebkitUserSelect: 'none',
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}
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export const UNSELECTABLE_ATTRIBUTE = {
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unselectable: 'unselectable',
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}
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export function findFirstMenuItem (children) {
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for (let i = 0; i < children.length; i++) {
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const child = children[i]
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const props = getPropsData(child)
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if (getSlotOptions(child).isMenuItemGroup) {
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const found = findFirstMenuItem(child.componentOptions.children)
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if (found) {
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return found
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}
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} else if (!props.disabled) {
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return child
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}
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}
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return null
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}
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export function includesSeparators (string, separators) {
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for (let i = 0; i < separators.length; ++i) {
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if (string.lastIndexOf(separators[i]) > 0) {
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return true
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}
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}
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return false
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}
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export function splitBySeparators (string, separators) {
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const reg = new RegExp(`[${separators.join()}]`)
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return string.split(reg).filter(token => token)
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}
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export function defaultFilterFn (input, child) {
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const props = getPropsData(child)
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if (props.disabled) {
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return false
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}
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const value = String(getPropValue(child, this.optionFilterProp))
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return (
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value.toLowerCase().indexOf(input.toLowerCase()) > -1
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)
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}
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export function validateOptionValue (value, props) {
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if (isSingleMode(props) || isMultiple(props)) {
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return
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}
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if (typeof value !== 'string') {
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throw new Error(
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`Invalid \`value\` of type \`${typeof value}\` supplied to Option, ` +
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`expected \`string\` when \`tags/combobox\` is \`true\`.`
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)
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}
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}
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