I'm using the ng-multiselect-dropdown package (https://www.npmjs.com/package/ng-multiselect-dropdown) in my angular project. Everything works fine, but I want to focus the filter input field automatically when I open the multiselect dropdown.
Here is my html code:
<div class="input-group" style="display: flex">
<span class="input-group-text"><i class="fas fa-building"></i></span>
<ng-multiselect-dropdown style="flex: 1"
[placeholder]="'Unternehmen'"
[data]="this.companies"
[formControl]="filterCompany"
[settings]="dropdownSettingsCompanies"
(onFilterChange)="updateCompanyList($event)"
(onSelect)="onItemSelect($event)">
</ng-multiselect-dropdown>
</div>And here are my settings for the multiselect:
dropdownSettingsCompanies: any = {
singleSelection: false,
idField: 'id',
textField: 'name',
showSelectedItemsAtTop: true,
clearSearchFilter: true,
allowSearchFilter: this.ShowFilter,
enableCheckAll: false,
allowRemoteDataSearch: true,
searchPlaceholderText: 'Bitte geben Sie einen Suchbegriff ein',
};The project does not have this feature internally, you need to write your own way. I am using a directive and getting the input element using querySelector and focusing the input!
import { Directive, ElementRef, HostListener } from '@angular/core';
@Directive({
selector: '[appFocusOnClick]',
})
export class FocusOnClickDirective {
constructor(private elementRef: ElementRef) {}
@HostListener('click', ['$event.target'])
onClick(btn) {
console.log('button', btn, 'number of clicks:');
const input = this.elementRef.nativeElement.querySelector(
'.filter-textbox > input'
);
if (input) {
input.focus();
}
}
}
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