Topic: mdb-select-2 Multiple Problems changing FormControl values
Expected behavior When I change the value of a FormControl, the component does not remove the selection from the view.
<div class="md-form">
<mdb-select-2 [multiple]="true" placeholder="Choose your option" label="Example label" formControlName="selectControl">
<mdb-select-all-option>Select all</mdb-select-all-option>
<mdb-select-option *ngFor="let option of options" [value]="option.value">{{ option.label }}</mdb-select-option>
</mdb-select-2>
</div>
selectControl = new FormControl(['1']);
Changed:
selectControl.setvalue(['1','2']);
Changed:
selectControl.setvalue([]);
After the modifications nothing changes in the vision
Actual behavior
The view changes as the FormControl data changes.
Resources (screenshots, code snippets etc.)
I have created a simple example. Here the select component reacts to manipulating FormControl inside component's class. Please try to use my example code to implement your feature.
HTML:
<form class="md-form">
<mdb-select-2
[multiple]="true"
placeholder="Choose your option"
label="Example label"
[formControl]="selectControl"
>
<mdb-select-all-option>Select all</mdb-select-all-option>
<mdb-select-option *ngFor="let option of options" [value]="option.value">{{
option.label
}}</mdb-select-option>
</mdb-select-2>
</form>
TS:
import { Component, OnInit } from '@angular/core';
import { FormControl } from '@angular/forms';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss'],
})
export class AppComponent implements OnInit {
ngOnInit(): void {
this.selectControl.setValue(['1', '2']);
}
selectControl = new FormControl(['1']);
options = [
{
value: '1',
label: 'one',
},
{
value: '2',
label: 'two',
},
{
value: '3',
label: 'three',
},
];
}
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Answered
- User: Pro
- Premium support: No
- Technology: MDB Angular
- MDB Version: MDB4 15.0.0
- Device: ALL
- Browser: ALL
- OS: ALL
- Provided sample code: No
- Provided link: No
Rafał Seifert commented 8 months ago
Let me clarify. You expect the component to not react to FormControl changes and not update the view?
Wanderson pro commented 8 months ago
Rafael Seifert,
What I expect is that the component reacts according to the FormControl change.
Currently the view does not change as the FormControl value changes.