material-icon-select.component.ts
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///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
import { Component, forwardRef, Input, OnInit } from '@angular/core';
import { PageComponent } from '@shared/components/page.component';
import { Store } from '@ngrx/store';
import { AppState } from '@core/core.state';
import { ControlValueAccessor, FormBuilder, FormGroup, NG_VALUE_ACCESSOR } from '@angular/forms';
import { DialogService } from '@core/services/dialog.service';
@Component({
selector: 'tb-material-icon-select',
templateUrl: './material-icon-select.component.html',
styleUrls: ['./material-icon-select.component.scss'],
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => MaterialIconSelectComponent),
multi: true
}
]
})
export class MaterialIconSelectComponent extends PageComponent implements OnInit, ControlValueAccessor {
@Input()
disabled: boolean;
private modelValue: string;
private propagateChange = null;
public materialIconFormGroup: FormGroup;
constructor(protected store: Store<AppState>,
private dialogs: DialogService,
private fb: FormBuilder) {
super(store);
}
ngOnInit(): void {
this.materialIconFormGroup = this.fb.group({
icon: [null, []]
});
this.materialIconFormGroup.valueChanges.subscribe(() => {
this.updateModel();
});
}
registerOnChange(fn: any): void {
this.propagateChange = fn;
}
registerOnTouched(fn: any): void {
}
setDisabledState(isDisabled: boolean): void {
this.disabled = isDisabled;
if (isDisabled) {
this.materialIconFormGroup.disable({emitEvent: false});
} else {
this.materialIconFormGroup.enable({emitEvent: false});
}
}
writeValue(value: string): void {
this.modelValue = value;
this.materialIconFormGroup.patchValue(
{ icon: this.modelValue }, {emitEvent: false}
);
}
private updateModel() {
const icon: string = this.materialIconFormGroup.get('icon').value;
if (this.modelValue !== icon) {
this.modelValue = icon;
this.propagateChange(this.modelValue);
}
}
openIconDialog() {
this.dialogs.materialIconPicker(this.materialIconFormGroup.get('icon').value).subscribe(
(icon) => {
if (icon) {
this.materialIconFormGroup.patchValue(
{icon}, {emitEvent: true}
);
}
}
);
}
}