material-icons-dialog.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 { AfterViewInit, Component, Inject, OnInit, QueryList, ViewChildren } from '@angular/core';
import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
import { Store } from '@ngrx/store';
import { AppState } from '@core/core.state';
import { Router } from '@angular/router';
import { DialogComponent } from '@shared/components/dialog.component';
import { UtilsService } from '@core/services/utils.service';
import { FormControl } from '@angular/forms';
import { merge, Observable, of } from 'rxjs';
import { delay, map, mapTo, mergeMap, share, startWith, tap } from 'rxjs/operators';
export interface MaterialIconsDialogData {
icon: string;
}
@Component({
selector: 'tb-material-icons-dialog',
templateUrl: './material-icons-dialog.component.html',
providers: [],
styleUrls: ['./material-icons-dialog.component.scss']
})
export class MaterialIconsDialogComponent extends DialogComponent<MaterialIconsDialogComponent, string>
implements OnInit, AfterViewInit {
@ViewChildren('iconButtons') iconButtons: QueryList<HTMLElement>;
selectedIcon: string;
icons$: Observable<Array<string>>;
loadingIcons$: Observable<boolean>;
showAllControl: FormControl;
constructor(protected store: Store<AppState>,
protected router: Router,
@Inject(MAT_DIALOG_DATA) public data: MaterialIconsDialogData,
private utils: UtilsService,
public dialogRef: MatDialogRef<MaterialIconsDialogComponent, string>) {
super(store, router, dialogRef);
this.selectedIcon = data.icon;
this.showAllControl = new FormControl(false);
}
ngOnInit(): void {
this.icons$ = this.showAllControl.valueChanges.pipe(
map((showAll) => {
return {firstTime: false, showAll};
}),
startWith<{firstTime: boolean, showAll: boolean}>({firstTime: true, showAll: false}),
mergeMap((data) => {
if (data.showAll) {
return this.utils.getMaterialIcons().pipe(delay(100));
} else {
const res = of(this.utils.getCommonMaterialIcons());
return data.firstTime ? res : res.pipe(delay(50));
}
}),
share()
);
}
ngAfterViewInit(): void {
this.loadingIcons$ = merge(
this.showAllControl.valueChanges.pipe(
mapTo(true),
),
this.iconButtons.changes.pipe(
delay(100),
mapTo( false),
)
).pipe(
tap((loadingIcons) => {
if (loadingIcons) {
this.showAllControl.disable({emitEvent: false});
} else {
this.showAllControl.enable({emitEvent: false});
}
}),
share()
);
}
selectIcon(icon: string) {
this.dialogRef.close(icon);
}
cancel(): void {
this.dialogRef.close(null);
}
}