下方网格中的每个项目都与从顶部网格中选择的程序名称和工具# 相关。在这张图片中，“删除工具更改”按钮已启用，因为我从下方网格中选择了一个项目。
现在，如果我选择不同的程序名称和工具#（例如：从顶部网格中的 #6 到 1），并从底部网格中选择不同的项目（例如：1#），它会突然禁用“删除工具更改” “ 按钮。
这是我用于上部网格组件的代码。
columns: ColumnDef[] = [
{ field: 'programName', name: 'Program Name', editable: false, filterField: true, width: '12em', tooltip: 'Read Only' },
{ field: 'toolNoPrefix', name: 'Tool #(Prefix)', editable: false, filterField: true, width: '12em', tooltip: 'First 8 characters of the Tool Tip - Read Only' },
{ field: 'toolNoSuffix', name: '(Suffix)', filterField: true, width: '8em' },
{ field: 'toolName', name: 'Tool Name', editable: false, filterField: true, width: '24em' },
{ field: 'tlLeadFileName', name: 'Tool File Name' },
{ field: 'typeName', name: 'Fixture Type', editable: false, width: '12em' },
{field: 'engineerId', name: 'MSE', type: 'dropdown',
optionsList: this.engineers, optionsListField: 'id', optionsListName: 'lastFirstName', width: '10em'},
{ field: 'userSource', name: 'User Source', editable: false, width: '12em' },
{ field: 'tprCreateDate', name: 'Date Created', type: 'date', editable: false, width: '8em' },
];
hasLoaded = false;
resourced = false;
selectedEcmTool$: BehaviorSubject<any> = new BehaviorSubject(null);
@ViewChild('tools') dataTable: DataTableComponent;
constructor(
private router: Router,
private cgpAlertDialogService: CgpAlertDialogService,
private ecmService: EcmService,
private dialog: MatDialog,
private readonly toastr: ToastrService
) {}
ngOnInit() {
if (!this.selectionCriteria) {
this._init = this.cgpAlertDialogService.showAlertDialog({
title: 'Invalid Selection Criteria',
message: 'A selection criteria has not been selected. Redirecting back to the main page.',
alert: cgpAlertTypes.warning,
closeLabel: 'OK'
}).afterClosed().subscribe(
() => this.router.navigate([''])
);
}
if (this.router.url === '/tprecm/ecm/re-source') {
this.resourced = true;
this.columns.forEach(val => val.editable = false);
}
this.updateNameSources();
this.hasLoaded = true;
}
ngOnDestroy() {
if (this._init) {
this._init.unsubscribe();
}
}
loadECMs() {
this.loading = true;
const body = {
...this.selectionCriteria,
filterColumn: this._currentFilters,
reSourced: +this.resourced,
};
this.ecmService.getAllTools(body, this.pageOptions)
.pipe(
filter(Boolean),
finalize(() => this.loading = false)
).subscribe((res: { totalCount: number, data: any[] }) => {
this.total = res.totalCount;
this.data = res.data;
if (this.data.length >= 1) {
this.dataTable.selections = [this.data[0]];
this.selectedEcmTool$.next(this.data[0]);
}
});
}
onSelect(selectedEcmTool) {
this.selectedEcmTool$.next(selectedEcmTool);
}
这是我的上网格 html：
<cgp-app-card titleText="View/Update ECM" showFullScreenToggle="true" [showBackButton]="true"
[onBackButtonClicked]="onBackButtonClicked">
<div *ngIf="hasLoaded">
<data-table #tools [data]="data" [columns]="columns" (lazyLoad)="onLazyLoad($event)" [lazy]="true" [paging]="true"
[pageSize]="pageOptions.size" [totalRecords]="total" [loading]="loading" [filterable]="true" (edit)="updateTool($event)"
(select)="onSelect($event)">
<ng-container actionStart>
<button mat-button (keypress)="onEcmNecReportsClick()" (click)="onEcmNecReportsClick()">Nec Reports</button>
<button mat-button (keypress)="onEcmReportsClick()" (click)="onEcmReportsClick()">ECM Reports</button>
<button mat-button (keypress)="onToolPartRelationshipClick()" (click)="onToolPartRelationshipClick()">Edit
Tool/Part Relationship</button>
<button mat-button (keypress)="onEcmPartsClick()" (click)="onEcmPartsClick()">Parts</button>
<button mat-button [disabled]="this.resourced" (keypress)="onEcmPartsUploadClick()"
(click)="onEcmPartsUploadClick()">Upload Parts from a File</button>
</ng-container>
<ng-container actionEnd>
<button mat-button>Change Log</button>
</ng-container>
</data-table>
<ecm-tool-change [resourced]="this.resourced" [selectedEcmTool$]="selectedEcmTool$"></ecm-tool-change>
</div>
</cgp-app-card>
这是我的较低网格组件的代码：
@Input() selectedEcmTool$: BehaviorSubject<any>;
@ViewChild('toolChangeTable') toolChangeTable: DataTableComponent;
constructor(
private readonly ecmToolChangeService: EcmToolChangeService,
private readonly ecmService: EcmService,
private readonly dialog: MatDialog,
private readonly toastr: ToastrService,
private readonly confirmation: CgpConfirmationDialogService,
private readonly cgpAlertDialogService: CgpAlertDialogService,
) {
}
onSelect(selectedEcmTool, toolChangeTable: DataTableComponent) {
if (selectedEcmTool.dtShippedToDatabank) {
const selected = toolChangeTable.selections;
const index = selected.findIndex(s => s.toolId === selectedEcmTool.toolId);
if (index !== -1) {
toolChangeTable.selections.splice(index, 1);
}
this.toastr.error('You cannot check this Tool Change after you have entered the Shipped to Databank Date ');
}
}
onUnSelect(dataItem) {
return dataItem;
}
ngOnInit() {
if (this.resourced) {
this.columns.forEach((val) => val.editable = false);
}
this.selectedEcmTool$.subscribe(
(selectedEcmTool) => {
if (selectedEcmTool) {
const toolId = selectedEcmTool.toolId;
this.updateSelectedEcmTool(toolId);
this.updateDesignSources();
} else {
this.data = [];
}
}
);
}
ngOnDestroy() {
if (this.selectedEcmTool$) { this.selectedEcmTool$.unsubscribe(); }
}
onLazyLoad(event: LazyLoadEvent) {
this.pageOptions.order = event.sortOrder === 1 ? 'asc' : 'desc';
this.pageOptions.size = event.rows;
this.pageOptions.sort = event.sortField;
this.pageOptions.page = event.first / this.pageOptions.size;
this.updateSelectedEcmTool(this.toolId);
}
clearSelections() {
this.toolChangeTable.selections = [];
}
updateSelectedEcmTool(toolId) {
if (!toolId) {
return;
}
this.toolId = toolId;
this.loading = true;
this.ecmToolChangeService.getToolChange(toolId, this.pageOptions)
.pipe(filter(Boolean))
.subscribe({
next: (res: { totalCount: number, data: any[] }) => {
this.total = res ? res.totalCount : 0;
this.data = res ? res.data : [];
},
complete: () => this.loading = false
});
}
updateToolChange(event: any) {
const body = event.data;
body.sourceName = undefined;
this.ecmToolChangeService.updateToolChange(body)
.subscribe();
}
这是我的下部网格 html 代码：
<data-table #toolChangeTable [columns]="columns" [data]="data" [loading]="loading" (lazyLoad)="onLazyLoad($event)" [lazy]="true"
[lazyLoadOnInit]="false" [pageSize]="pageOptions.size" [multiselect]="true" [paging] = "true" [totalRecords]="total"
defaultSortField="necLec" (edit)="updateToolChange($event, toolChangeTable)" (select)="onSelect($event, toolChangeTable)" (unSelect)="onUnSelect($event)">
<ng-container actionStart>
<button mat-button (click)="onMultiRowUpdateClick()" (keypress.enter)="onMultiRowUpdateClick()"
[disabled]="this.resourced || hasSelectedNone">Multi-Edit</button>
<button mat-button (click)="clearSelections()" (keypress.enter)="clearSelections()">Clear All</button>
<button mat-button (click)="onAddToolChangeClick()" [disabled]="this.resourced">Add Tool Change</button>
<button mat-button (click)="onDeleteToolChangeClick()" (keypress.enter)="onDeleteToolChangeClick()"
[disabled]="!hasSelectedSingle">Delete Tool Change</button>
<button mat-button [disabled]="!hasSelectedSingle" (click)="onEditAuthoritiesClick()"
(keypress.enter)="onEditAuthoritiesClick()">Edit Tool Change
Authorities</button>
</ng-container>
</data-table>
如何编写函数或触发 ngOnDestroy 使其不再记住先前选择的行。