694 lines
19 KiB
Plaintext
694 lines
19 KiB
Plaintext
export type PaginationType = {
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current : number,
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size : number,
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count : number
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}
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export type LoadMoreType = {
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contentdown : string,
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contentrefresh : string,
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contentnomore : string
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}
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export type SelectedItemType = {
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name : string,
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value : string,
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}
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export type GetCommandOptions = {
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collection ?: UTSJSONObject,
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field ?: string,
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orderby ?: string,
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where ?: any,
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pageData ?: string,
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pageCurrent ?: number,
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pageSize ?: number,
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getCount ?: boolean,
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getTree ?: any,
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getTreePath ?: UTSJSONObject,
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startwith ?: string,
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limitlevel ?: number,
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groupby ?: string,
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groupField ?: string,
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distinct ?: boolean,
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pageIndistinct ?: boolean,
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foreignKey ?: string,
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loadtime ?: string,
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manual ?: boolean
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}
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const DefaultSelectedNode = {
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text: '请选择',
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value: ''
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}
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export const dataPicker = defineMixin({
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props: {
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localdata: {
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type: Array as PropType<Array<UTSJSONObject>>,
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default: [] as Array<UTSJSONObject>
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},
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collection: {
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type: Object,
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default: ''
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},
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field: {
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type: String,
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default: ''
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},
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orderby: {
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type: String,
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default: ''
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},
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where: {
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type: Object,
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default: ''
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},
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pageData: {
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type: String,
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default: 'add'
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},
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pageCurrent: {
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type: Number,
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default: 1
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},
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pageSize: {
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type: Number,
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default: 20
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},
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getcount: {
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type: Boolean,
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default: false
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},
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gettree: {
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type: Object,
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default: ''
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},
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gettreepath: {
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type: Object,
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default: ''
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},
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startwith: {
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type: String,
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default: ''
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},
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limitlevel: {
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type: Number,
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default: 10
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},
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groupby: {
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type: String,
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default: ''
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},
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groupField: {
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type: String,
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default: ''
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},
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distinct: {
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type: Boolean,
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default: false
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},
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pageIndistinct: {
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type: Boolean,
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default: false
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},
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foreignKey: {
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type: String,
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default: ''
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},
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loadtime: {
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type: String,
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default: 'auto'
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},
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manual: {
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type: Boolean,
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default: false
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},
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preload: {
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type: Boolean,
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default: false
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},
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stepSearh: {
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type: Boolean,
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default: true
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},
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selfField: {
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type: String,
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default: ''
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},
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parentField: {
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type: String,
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default: ''
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},
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multiple: {
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type: Boolean,
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default: false
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},
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value: {
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type: Object,
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default: ''
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},
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modelValue: {
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type: Object,
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default: ''
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},
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defaultProps: {
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type: Object as PropType<UTSJSONObject>,
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}
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},
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data() {
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return {
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loading: false,
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error: null as UniCloudError | null,
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treeData: [] as Array<UTSJSONObject>,
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selectedIndex: 0,
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selectedNodes: [] as Array<UTSJSONObject>,
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selectedPages: [] as Array<UTSJSONObject>[],
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selectedValue: '',
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selectedPaths: [] as Array<UTSJSONObject>,
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pagination: {
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current: 1,
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size: 20,
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count: 0
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} as PaginationType
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}
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},
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computed: {
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mappingTextName() : string {
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// TODO
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return (this.defaultProps != null) ? this.defaultProps!.getString('text', 'text') : 'text'
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},
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mappingValueName() : string {
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// TODO
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return (this.defaultProps != null) ? this.defaultProps!.getString('value', 'value') : 'value'
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},
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currentDataList() : Array<UTSJSONObject> {
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if (this.selectedIndex > this.selectedPages.length - 1) {
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return [] as Array<UTSJSONObject>
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}
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return this.selectedPages[this.selectedIndex]
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},
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isLocalData() : boolean {
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return this.localdata.length > 0
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},
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isCloudData() : boolean {
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return this._checkIsNotNull(this.collection)
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},
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isCloudDataList() : boolean {
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return (this.isCloudData && (this.parentField.length == 0 && this.selfField.length == 0))
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},
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isCloudDataTree() : boolean {
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return (this.isCloudData && this.parentField.length > 0 && this.selfField.length > 0)
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},
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dataValue() : any {
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return this.hasModelValue ? this.modelValue : this.value
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},
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hasCloudTreeData() : boolean {
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return this.treeData.length > 0
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},
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hasModelValue() : boolean {
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if (typeof this.modelValue == 'string') {
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const valueString = this.modelValue as string
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return (valueString.length > 0)
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} else if (Array.isArray(this.modelValue)) {
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const valueArray = this.modelValue as Array<string>
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return (valueArray.length > 0)
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}
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return false
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},
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hasCloudDataValue() : boolean {
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if (typeof this.dataValue == 'string') {
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const valueString = this.dataValue as string
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return (valueString.length > 0)
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}
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return false
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}
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},
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created() {
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this.pagination.current = this.pageCurrent
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this.pagination.size = this.pageSize
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this.$watch(
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() : any => [
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this.pageCurrent,
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this.pageSize,
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this.localdata,
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this.value,
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this.collection,
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this.field,
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this.getcount,
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this.orderby,
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this.where,
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this.groupby,
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this.groupField,
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this.distinct
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],
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(newValue : Array<any>, oldValue : Array<any>) => {
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this.pagination.size = this.pageSize
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if (newValue[0] !== oldValue[0]) {
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this.pagination.current = this.pageCurrent
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}
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this.onPropsChange()
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}
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)
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},
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methods: {
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onPropsChange() {
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this.selectedIndex = 0
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this.treeData.length = 0
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this.selectedNodes.length = 0
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this.selectedPages.length = 0
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this.selectedPaths.length = 0
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// 加载数据
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this.$nextTick(() => {
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this.loadData()
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})
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},
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onTabSelect(index : number) {
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this.selectedIndex = index
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},
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onNodeClick(nodeData : UTSJSONObject) {
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if (nodeData.getBoolean('disable', false)) {
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return
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}
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const isLeaf = this._checkIsLeafNode(nodeData)
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this._trimSelectedNodes(nodeData)
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this.$emit('nodeclick', nodeData)
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if (this.isLocalData) {
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if (isLeaf || !this._checkHasChildren(nodeData)) {
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this.onFinish()
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}
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} else if (this.isCloudDataList) {
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this.onFinish()
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} else if (this.isCloudDataTree) {
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if (isLeaf) {
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this.onFinish()
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} else if (!this._checkHasChildren(nodeData)) {
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// 尝试请求一次，如果没有返回数据标记为叶子节点
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this.loadCloudDataNode(nodeData)
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}
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}
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},
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getChangeNodes(): Array<UTSJSONObject> {
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const nodes: Array<UTSJSONObject> = []
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this.selectedNodes.forEach((node : UTSJSONObject) => {
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const newNode: UTSJSONObject = {}
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newNode[this.mappingTextName] = node.getString(this.mappingTextName)
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newNode[this.mappingValueName] = node.getString(this.mappingValueName)
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nodes.push(newNode)
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})
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return nodes
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},
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onFinish() { },
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// 加载数据(自动判定环境)
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loadData() {
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if (this.isLocalData) {
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this.loadLocalData()
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} else if (this.isCloudDataList) {
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this.loadCloudDataList()
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} else if (this.isCloudDataTree) {
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this.loadCloudDataTree()
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}
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},
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// 加载本地数据
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loadLocalData() {
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this.treeData = this.localdata
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if (Array.isArray(this.dataValue)) {
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const value = this.dataValue as Array<UTSJSONObject>
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this.selectedPaths = value.slice(0)
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this._pushSelectedTreeNodes(value, this.localdata)
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} else {
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this._pushSelectedNodes(this.localdata)
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}
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},
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// 加载 Cloud 数据 (单列)
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loadCloudDataList() {
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this._loadCloudData(null, (data : Array<UTSJSONObject>) => {
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this.treeData = data
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this._pushSelectedNodes(data)
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})
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},
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// 加载 Cloud 数据 (树形)
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loadCloudDataTree() {
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let commandOptions = {
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field: this._cloudDataPostField(),
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where: this._cloudDataTreeWhere(),
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getTree: true
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} as GetCommandOptions
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if (this._checkIsNotNull(this.gettree)) {
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commandOptions.startwith = `${this.selfField}=='${this.dataValue as string}'`
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}
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this._loadCloudData(commandOptions, (data : Array<UTSJSONObject>) => {
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this.treeData = data
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if (this.selectedPaths.length > 0) {
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this._pushSelectedTreeNodes(this.selectedPaths, data)
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} else {
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this._pushSelectedNodes(data)
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}
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})
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},
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// 加载 Cloud 数据 (节点)
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loadCloudDataNode(nodeData : UTSJSONObject) {
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const commandOptions = {
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field: this._cloudDataPostField(),
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where: this._cloudDataNodeWhere()
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} as GetCommandOptions
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this._loadCloudData(commandOptions, (data : Array<UTSJSONObject>) => {
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nodeData['children'] = data
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if (data.length == 0) {
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nodeData['isleaf'] = true
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this.onFinish()
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} else {
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this._pushSelectedNodes(data)
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}
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})
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},
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// 回显 Cloud Tree Path
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loadCloudDataPath() {
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if (!this.hasCloudDataValue) {
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return
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}
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const command : GetCommandOptions = {}
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// 单列
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if (this.isCloudDataList) {
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// 根据 field's as value标识匹配 where 条件
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let where : Array<string> = [];
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let whereField = this._getForeignKeyByField();
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if (whereField.length > 0) {
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where.push(`${whereField} == '${this.dataValue as string}'`)
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}
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let whereString = where.join(' || ')
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if (this._checkIsNotNull(this.where)) {
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whereString = `(${this.where}) && (${whereString})`
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}
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command.field = this._cloudDataPostField()
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command.where = whereString
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}
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// 树形
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if (this.isCloudDataTree) {
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command.field = this._cloudDataPostField()
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command.getTreePath = {
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startWith: `${this.selfField}=='${this.dataValue as string}'`
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}
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}
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this._loadCloudData(command, (data : Array<UTSJSONObject>) => {
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this._extractTreePath(data, this.selectedPaths)
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})
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},
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_loadCloudData(options ?: GetCommandOptions, callback ?: ((data : Array<UTSJSONObject>) => void)) {
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if (this.loading) {
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return
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}
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this.loading = true
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this.error = null
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this._getCommand(options).then((response : UniCloudDBGetResult) => {
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callback?.(response.data)
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}).catch((err : any | null) => {
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this.error = err as UniCloudError
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}).finally(() => {
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this.loading = false
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})
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},
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_cloudDataPostField() : string {
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let fields = [this.field];
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if (this.parentField.length > 0) {
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fields.push(`${this.parentField} as parent_value`)
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}
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return fields.join(',')
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},
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_cloudDataTreeWhere() : string {
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let result : Array<string> = []
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let selectedNodes = this.selectedNodes.length > 0 ? this.selectedNodes : this.selectedPaths
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let parentField = this.parentField
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if (parentField.length > 0) {
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result.push(`${parentField} == null || ${parentField} == ""`)
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}
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if (selectedNodes.length > 0) {
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for (var i = 0; i < selectedNodes.length - 1; i++) {
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const parentFieldValue = selectedNodes[i].getString('value', '')
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result.push(`${parentField} == '${parentFieldValue}'`)
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}
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}
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let where : Array<string> = []
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if (this._checkIsNotNull(this.where)) {
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where.push(`(${this.where as string})`)
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}
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if (result.length > 0) {
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where.push(`(${result.join(' || ')})`)
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}
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return where.join(' && ')
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},
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_cloudDataNodeWhere() : string {
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const where : Array<string> = []
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if (this.selectedNodes.length > 0) {
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const value = this.selectedNodes[this.selectedNodes.length - 1].getString('value', '')
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where.push(`${this.parentField} == '${value}'`)
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}
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let whereString = where.join(' || ')
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if (this._checkIsNotNull(this.where)) {
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return `(${this.where as string}) && (${whereString})`
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}
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return whereString
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},
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_getWhereByForeignKey() : string {
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let result : Array<string> = []
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let whereField = this._getForeignKeyByField();
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if (whereField.length > 0) {
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result.push(`${whereField} == '${this.dataValue as string}'`)
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}
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if (this._checkIsNotNull(this.where)) {
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return `(${this.where}) && (${result.join(' || ')})`
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}
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return result.join(' || ')
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},
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_getForeignKeyByField() : string {
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const fields = this.field.split(',')
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let whereField = ''
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for (let i = 0; i < fields.length; i++) {
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const items = fields[i].split('as')
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if (items.length < 2) {
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continue
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}
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if (items[1].trim() === 'value') {
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whereField = items[0].trim()
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break
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}
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}
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return whereField
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},
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_getCommand(options ?: GetCommandOptions) : Promise<UniCloudDBGetResult> {
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let db = uniCloud.databaseForJQL()
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let collection = Array.isArray(this.collection) ? db.collection(...(this.collection as Array<any>)) : db.collection(this.collection)
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let filter : UniCloudDBFilter | null = null
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if (this.foreignKey.length > 0) {
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filter = collection.foreignKey(this.foreignKey)
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}
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const where : any = options?.where ?? this.where
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if (typeof where == 'string') {
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const whereString = where as string
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if (whereString.length > 0) {
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filter = (filter != null) ? filter.where(where) : collection.where(where)
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}
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} else {
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filter = (filter != null) ? filter.where(where) : collection.where(where)
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}
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let query : UniCloudDBQuery | null = null
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if (this.field.length > 0) {
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query = (filter != null) ? filter.field(this.field) : collection.field(this.field)
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}
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if (this.groupby.length > 0) {
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if (query != null) {
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query = query.groupBy(this.groupby)
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} else if (filter != null) {
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query = filter.groupBy(this.groupby)
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}
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}
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if (this.groupField.length > 0) {
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if (query != null) {
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query = query.groupField(this.groupField)
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} else if (filter != null) {
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query = filter.groupField(this.groupField)
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}
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}
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if (this.distinct == true) {
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if (query != null) {
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query = query.distinct(this.field)
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} else if (filter != null) {
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query = filter.distinct(this.field)
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}
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}
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if (this.orderby.length > 0) {
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if (query != null) {
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query = query.orderBy(this.orderby)
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} else if (filter != null) {
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query = filter.orderBy(this.orderby)
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}
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}
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const size = this.pagination.size
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const current = this.pagination.current
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if (query != null) {
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query = query.skip(size * (current - 1)).limit(size)
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} else if (filter != null) {
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query = filter.skip(size * (current - 1)).limit(size)
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} else {
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query = collection.skip(size * (current - 1)).limit(size)
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}
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const getOptions = {}
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const treeOptions = {
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|
limitLevel: this.limitlevel,
|
|
startWith: this.startwith
|
|
}
|
|
if (this.getcount == true) {
|
|
getOptions['getCount'] = this.getcount
|
|
}
|
|
|
|
const getTree : any = options?.getTree ?? this.gettree
|
|
if (typeof getTree == 'string') {
|
|
const getTreeString = getTree as string
|
|
if (getTreeString.length > 0) {
|
|
getOptions['getTree'] = treeOptions
|
|
}
|
|
} else if (typeof getTree == 'object') {
|
|
getOptions['getTree'] = treeOptions
|
|
} else {
|
|
getOptions['getTree'] = getTree
|
|
}
|
|
|
|
const getTreePath = options?.getTreePath ?? this.gettreepath
|
|
if (typeof getTreePath == 'string') {
|
|
const getTreePathString = getTreePath as string
|
|
if (getTreePathString.length > 0) {
|
|
getOptions['getTreePath'] = getTreePath
|
|
}
|
|
} else {
|
|
getOptions['getTreePath'] = getTreePath
|
|
}
|
|
|
|
return query.get(getOptions)
|
|
},
|
|
|
|
_checkIsNotNull(value : any) : boolean {
|
|
if (typeof value == 'string') {
|
|
const valueString = value as string
|
|
return (valueString.length > 0)
|
|
} else if (value instanceof UTSJSONObject) {
|
|
return true
|
|
}
|
|
return false
|
|
},
|
|
|
|
_checkIsLeafNode(nodeData : UTSJSONObject) : boolean {
|
|
if (this.selectedIndex >= this.limitlevel) {
|
|
return true
|
|
}
|
|
|
|
if (nodeData.getBoolean('isleaf', false)) {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
},
|
|
|
|
_checkHasChildren(nodeData : UTSJSONObject) : boolean {
|
|
const children = nodeData.getArray('children') ?? ([] as Array<any>)
|
|
return children.length > 0
|
|
},
|
|
|
|
_pushSelectedNodes(nodes : Array<UTSJSONObject>) {
|
|
this.selectedNodes.push(DefaultSelectedNode)
|
|
this.selectedPages.push(nodes)
|
|
this.selectedIndex = this.selectedPages.length - 1
|
|
},
|
|
|
|
_trimSelectedNodes(nodeData : UTSJSONObject) {
|
|
this.selectedNodes.splice(this.selectedIndex)
|
|
this.selectedNodes.push(nodeData)
|
|
|
|
if (this.selectedPages.length > 0) {
|
|
this.selectedPages.splice(this.selectedIndex + 1)
|
|
}
|
|
|
|
const children = nodeData.getArray<UTSJSONObject>('children') ?? ([] as Array<UTSJSONObject>)
|
|
if (children.length > 0) {
|
|
this.selectedNodes.push(DefaultSelectedNode)
|
|
this.selectedPages.push(children)
|
|
}
|
|
|
|
this.selectedIndex = this.selectedPages.length - 1
|
|
},
|
|
|
|
_pushSelectedTreeNodes(paths : Array<UTSJSONObject>, nodes : Array<UTSJSONObject>) {
|
|
let children : Array<UTSJSONObject> = nodes
|
|
paths.forEach((node : UTSJSONObject) => {
|
|
const findNode = children.find((item : UTSJSONObject) : boolean => {
|
|
return (item.getString(this.mappingValueName) == node.getString(this.mappingValueName))
|
|
})
|
|
if (findNode != null) {
|
|
this.selectedPages.push(children)
|
|
this.selectedNodes.push(node)
|
|
children = findNode.getArray<UTSJSONObject>('children') ?? ([] as Array<UTSJSONObject>)
|
|
}
|
|
})
|
|
this.selectedIndex = this.selectedPages.length - 1
|
|
},
|
|
|
|
_extractTreePath(nodes : Array<UTSJSONObject>, result : Array<UTSJSONObject>) {
|
|
if (nodes.length == 0) {
|
|
return
|
|
}
|
|
|
|
const node = nodes[0]
|
|
result.push(node)
|
|
|
|
const children = node.getArray<UTSJSONObject>('children')
|
|
if (Array.isArray(children) && children!.length > 0) {
|
|
this._extractTreePath(children, result)
|
|
}
|
|
}
|
|
}
|
|
})
|