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import { Component, forwardRef, HostListener, Input } from '@angular/core'
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
import { SelectOptionsItem } from '../../../../types/select-options-item.model'
@Component({
selector: 'my-select-options',
styleUrls: [ './select-shared.component.scss' ],
templateUrl: './select-options.component.html',
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => SelectOptionsComponent),
multi: true
}
]
})
export class SelectOptionsComponent implements ControlValueAccessor {
@Input() items: SelectOptionsItem[] = []
@Input() clearable = false
@Input() searchable = false
@Input() groupBy: string
@Input() labelForId: string
@Input() searchFn: any
selectedId: number | string
propagateChange = (_: any) => { /* empty */ }
// Allow plugins to update our value
@HostListener('change', [ '$event.target' ])
handleChange (event: any) {
this.writeValue(event.value)
this.onModelChange()
}
writeValue (id: number | string) {
this.selectedId = id
}
registerOnChange (fn: (_: any) => void) {
this.propagateChange = fn
}
registerOnTouched () {
// Unused
}
onModelChange () {
this.propagateChange(this.selectedId)
}
}
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