UI: Improve material icons selector

ui-ngx/src/app/core/services/dialog.service.ts

@@ -114,7 +114,8 @@ export class DialogService {
         panelClass: ['tb-dialog', 'tb-fullscreen-dialog'],
         data: {
           icon
-        }
+        },
+        autoFocus: false
       }).afterClosed();
   }
 

ui-ngx/src/app/core/services/resources.service.ts

@@ -62,15 +62,18 @@ export class ResourcesService {
     this.store.pipe(select(selectIsAuthenticated)).subscribe(() => this.clearModulesCache());
   }
 
-  public loadJsonResource<T>(url: string): Observable<T> {
+  public loadJsonResource<T>(url: string, postProcess?: (data: T) => T): Observable<T> {
     if (this.loadedJsonResources[url]) {
       return this.loadedJsonResources[url].asObservable();
     }
     const subject = new ReplaySubject<any>();
     this.loadedJsonResources[url] = subject;
-    this.http.get(url).subscribe(
+    this.http.get<T>(url).subscribe(
       {
         next: (o) => {
+          if (postProcess) {
+            o = postProcess(o);
+          }
           this.loadedJsonResources[url].next(o);
           this.loadedJsonResources[url].complete();
         },

ui-ngx/src/app/core/services/utils.service.ts

@@ -21,32 +21,31 @@ import { Inject, Injectable, NgZone } from '@angular/core';
 import { WINDOW } from '@core/services/window.service';
 import { ExceptionData } from '@app/shared/models/error.models';
 import {
+  base64toObj,
+  base64toString,
   baseUrl,
   createLabelFromDatasource,
   deepClone,
   deleteNullProperties,
-  guid, hashCode,
+  guid,
+  hashCode,
   isDefined,
   isDefinedAndNotNull,
   isString,
   isUndefined,
   objToBase64,
-  objToBase64URI,
+  objToBase64URI
-  base64toString,
-  base64toObj
 } from '@core/utils';
 import { WindowMessage } from '@shared/models/window-message.model';
 import { TranslateService } from '@ngx-translate/core';
 import { customTranslationsPrefix, i18nPrefix } from '@app/shared/models/constants';
 import { DataKey, Datasource, DatasourceType, KeyInfo } from '@shared/models/widget.models';
-import { EntityType } from '@shared/models/entity-type.models';
 import { DataKeyType } from '@app/shared/models/telemetry/telemetry.models';
 import { alarmFields } from '@shared/models/alarm.models';
 import { materialColors } from '@app/shared/models/material.models';
 import { WidgetInfo } from '@home/models/widget-component.models';
 import jsonSchemaDefaults from 'json-schema-defaults';
-import materialIconsCodepoints from '!raw-loader!./material-icons-codepoints.raw';
+import { Observable } from 'rxjs';
-import { Observable, of, ReplaySubject } from 'rxjs';
 import { publishReplay, refCount } from 'rxjs/operators';
 import { WidgetContext } from '@app/modules/home/models/widget-component.models';
 import {
@@ -86,13 +85,6 @@ const defaultAlarmFields: Array<string> = [
   alarmFields.status.keyName
 ];
 
-const commonMaterialIcons: Array<string> = ['more_horiz', 'more_vert', 'open_in_new',
-  'visibility', 'play_arrow', 'arrow_back', 'arrow_downward',
-  'arrow_forward', 'arrow_upwards', 'close', 'refresh', 'menu', 'show_chart', 'multiline_chart', 'pie_chart', 'insert_chart', 'people',
-  'person', 'domain', 'devices_other', 'now_widgets', 'dashboards', 'map', 'pin_drop', 'my_location', 'extension', 'search',
-  'settings', 'notifications', 'notifications_active', 'info', 'info_outline', 'warning', 'list', 'file_download', 'import_export',
-  'share', 'add', 'edit', 'done', 'delete'];
-
 // @dynamic
 @Injectable({
   providedIn: 'root'
@@ -121,8 +113,6 @@ export class UtilsService {
 
   defaultAlarmDataKeys: Array<DataKey> = [];
 
-  materialIcons: Array<string> = [];
-
   constructor(@Inject(WINDOW) private window: Window,
               private zone: NgZone,
               private translate: TranslateService) {
@@ -306,31 +296,6 @@ export class UtilsService {
     return datasources;
   }
 
-  public getMaterialIcons(): Observable<Array<string>> {
-    if (this.materialIcons.length) {
-      return of(this.materialIcons);
-    } else {
-      const materialIconsSubject = new ReplaySubject<Array<string>>();
-      this.zone.runOutsideAngular(() => {
-        const codepointsArray = materialIconsCodepoints
-          .split('\n')
-          .filter((codepoint) => codepoint && codepoint.length);
-        codepointsArray.forEach((codepoint) => {
-          const values = codepoint.split(' ');
-          if (values && values.length === 2) {
-            this.materialIcons.push(values[0]);
-          }
-        });
-        materialIconsSubject.next(this.materialIcons);
-      });
-      return materialIconsSubject.asObservable();
-    }
-  }
-
-  public getCommonMaterialIcons(): Array<string> {
-    return commonMaterialIcons;
-  }
-
   public getMaterialColor(index: number) {
     const colorIndex = index % materialColors.length;
     return materialColors[colorIndex].value;
@@ -411,7 +376,7 @@ export class UtilsService {
 
   public stringToHslColor(str: string, saturationPercentage: number, lightnessPercentage: number): string {
     if (str && str.length) {
-      let hue = hashCode(str) % 360;
+      const hue = hashCode(str) % 360;
       return `hsl(${hue}, ${saturationPercentage}%, ${lightnessPercentage}%)`;
     }
   }

ui-ngx/src/app/modules/common/modules-map.ts

@@ -181,6 +181,7 @@ import * as StringItemsListComponent from '@shared/components/string-items-list.
 import * as ToggleHeaderComponent from '@shared/components/toggle-header.component';
 import * as ToggleSelectComponent from '@shared/components/toggle-select.component';
 import * as UnitInputComponent from '@shared/components/unit-input.component';
+import * as MaterialIconsComponent from '@shared/components/material-icons.component';
 
 import * as AddEntityDialogComponent from '@home/components/entity/add-entity-dialog.component';
 import * as EntitiesTableComponent from '@home/components/entity/entities-table.component';
@@ -482,6 +483,7 @@ class ModulesMap implements IModulesMap {
     '@shared/components/toggle-header.component': ToggleHeaderComponent,
     '@shared/components/toggle-select.component': ToggleSelectComponent,
     '@shared/components/unit-input.component': UnitInputComponent,
+    '@shared/components/material-icons.component': MaterialIconsComponent,
 
     '@home/components/entity/add-entity-dialog.component': AddEntityDialogComponent,
     '@home/components/entity/entities-table.component': EntitiesTableComponent,

ui-ngx/src/app/modules/home/components/widget/lib/home-page/home-page-widget.scss

@@ -67,50 +67,4 @@
       color: inherit;
     }
   }
-
-  .tb-no-data-available {
-    flex: 1;
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-  }
-
-  .tb-no-data-bg {
-    margin: 10px;
-    position: relative;
-    flex: 1;
-    width: 100%;
-    max-height: 100px;
-    &:before {
-      content: "";
-      position: absolute;
-      top: 0;
-      left: 0;
-      right: 0;
-      bottom: 0;
-      background: #305680;
-      -webkit-mask-image: url(/assets/home/no_data_folder_bg.svg);
-      -webkit-mask-repeat: no-repeat;
-      -webkit-mask-size: contain;
-      -webkit-mask-position: center;
-      mask-image: url(/assets/home/no_data_folder_bg.svg);
-      mask-repeat: no-repeat;
-      mask-size: contain;
-      mask-position: center;
-    }
-  }
-
-  .tb-no-data-text {
-    font-weight: 500;
-    font-size: 14px;
-    line-height: 20px;
-    letter-spacing: 0.25px;
-    color: rgba(0, 0, 0, 0.54);
-    @media #{$mat-md-lg} {
-      font-size: 12px;
-      line-height: 16px;
-    }
-  }
-
 }

ui-ngx/src/app/shared/components/dialog/material-icons-dialog.component.html

@@ -15,63 +15,14 @@
     limitations under the License.
 
 -->
-<form class="tb-material-icons-dialog" style="min-width: 600px;">
+<div mat-dialog-content>
-  <mat-toolbar fxLayout="row" color="primary">
+  <button class="tb-close-button"
-    <h2>{{ 'icon.select-icon' | translate }}</h2>
+          mat-icon-button
-    <span fxFlex></span>
-    <section fxLayout="row" fxLayoutAlign="start center" fxLayoutGap="8px">
-      <mat-slide-toggle [formControl]="showAllControl">
-      </mat-slide-toggle>
-      <label translate>icon.show-all</label>
-    </section>
-    <button mat-icon-button
           (click)="cancel()"
           type="button">
-      <mat-icon class="material-icons">close</mat-icon>
+    <mat-icon>close</mat-icon>
   </button>
-  </mat-toolbar>
+  <tb-material-icons [selectedIcon]="selectedIcon"
-  <mat-progress-bar color="warn" mode="indeterminate" *ngIf="isLoading$ | async">
+                     (iconSelected)="selectIcon($event)">
-  </mat-progress-bar>
+  </tb-material-icons>
-  <div style="height: 4px;" *ngIf="!(isLoading$ | async)"></div>
-  <div class="tb-absolute-fill tb-icons-load" *ngIf="loadingIcons$ | async" fxLayout="column" fxLayoutAlign="center center">
-    <mat-spinner color="accent" mode="indeterminate" diameter="40"></mat-spinner>
 </div>
-  <div mat-dialog-content>
-    <div class="mat-content mat-padding" fxLayout="column">
-      <fieldset [disabled]="(isLoading$ | async)">
-        <ng-template ngFor let-icon [ngForOf]="icons$ | async" let-last="last">
-          <ng-container #iconButtons>
-            <button *ngIf="icon === selectedIcon"
-                    class="tb-select-icon-button"
-                    mat-raised-button
-                    color="primary"
-                    (click)="selectIcon(icon)"
-                    matTooltip="{{ icon }}"
-                    matTooltipPosition="above"
-                    type="button">
-              <mat-icon>{{icon}}</mat-icon>
-            </button>
-            <button *ngIf="icon !== selectedIcon"
-                    class="tb-select-icon-button"
-                    mat-button
-                    (click)="selectIcon(icon)"
-                    matTooltip="{{ icon }}"
-                    matTooltipPosition="above"
-                    type="button">
-              <mat-icon>{{icon}}</mat-icon>
-            </button>
-          </ng-container>
-        </ng-template>
-      </fieldset>
-    </div>
-  </div>
-  <div mat-dialog-actions fxLayout="row">
-    <span fxFlex></span>
-    <button mat-button
-            type="button"
-            [disabled]="(isLoading$ | async)"
-            (click)="cancel()">
-      {{ 'action.cancel' | translate }}
-    </button>
-  </div>
-</form>

ui-ngx/src/app/shared/components/dialog/material-icons-dialog.component.scss

@@ -14,36 +14,9 @@
  * limitations under the License.
  */
 :host {
-  .tb-material-icons-dialog {
+  .tb-close-button {
-    position: relative;
+    position: absolute;
-  }
+    top: 6px;
-  .tb-icons-load {
+    right: 6px;
-    top: 64px;
-    z-index: 3;
-    background: rgba(255, 255, 255, .75);
-  }
-}
-
-:host ::ng-deep {
-  .tb-material-icons-dialog {
-    button.mat-mdc-button-base.tb-select-icon-button {
-      width: 56px;
-      min-width: 56px;
-      height: 56px;
-      padding: 16px;
-      margin: 10px;
-      border: solid 1px #ffa500;
-      border-radius: 0;
-      line-height: 0;
-      display: inline-block;
-      vertical-align: baseline;
-      .mat-icon {
-        width: 24px;
-        margin: 0;
-        height: 24px;
-        vertical-align: initial;
-        font-size: 24px;
-      }
-    }
   }
 }

ui-ngx/src/app/shared/components/dialog/material-icons-dialog.component.ts

@@ -14,18 +14,12 @@
 /// limitations under the License.
 ///
 
-import { AfterViewInit, Component, Inject, OnInit, QueryList, ViewChildren } from '@angular/core';
+import { Component, Inject } 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 { UntypedFormControl } from '@angular/forms';
-import { merge, Observable } from 'rxjs';
-import { delay, map, mapTo, mergeMap, share, startWith, tap } from 'rxjs/operators';
-import { ResourcesService } from '@core/services/resources.service';
-import { getMaterialIcons } from '@shared/models/icon.models';
 
 export interface MaterialIconsDialogData {
   icon: string;
@@ -37,63 +31,16 @@ export interface MaterialIconsDialogData {
   providers: [],
   styleUrls: ['./material-icons-dialog.component.scss']
 })
-export class MaterialIconsDialogComponent extends DialogComponent<MaterialIconsDialogComponent, string>
+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: UntypedFormControl;
 
   constructor(protected store: Store<AppState>,
               protected router: Router,
               @Inject(MAT_DIALOG_DATA) public data: MaterialIconsDialogData,
-              private utils: UtilsService,
-              private resourcesService: ResourcesService,
               public dialogRef: MatDialogRef<MaterialIconsDialogComponent, string>) {
     super(store, router, dialogRef);
     this.selectedIcon = data.icon;
-    this.showAllControl = new UntypedFormControl(false);
-  }
-
-  ngOnInit(): void {
-    this.icons$ = this.showAllControl.valueChanges.pipe(
-      map((showAll) => ({firstTime: false, showAll})),
-      startWith<{firstTime: boolean; showAll: boolean}>({firstTime: true, showAll: false}),
-      mergeMap((data) => {
-        const res = getMaterialIcons(this.resourcesService, data.showAll, '');
-        if (data.showAll) {
-          return res.pipe(delay(100));
-        } else {
-          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) {

ui-ngx/src/app/shared/components/material-icon-select.component.html

@@ -29,7 +29,13 @@
   </mat-form-field>
 </div>
 <ng-template #boxInput>
-  <mat-icon class="icon-box" [ngStyle]="color && !disabled ? { color: color } : {}"
+  <button type="button"
-            [ngClass]="{'disabled': disabled}"
+          mat-stroked-button
-            (click)="openIconDialog()">{{materialIconFormGroup.get('icon').value}}</mat-icon>
+          class="icon-box"
+          [ngStyle]="color && !disabled ? { color: color } : {}"
+          [disabled]="disabled"
+          #matButton
+          (click)="openIconPopup($event, matButton)">
+    <mat-icon>{{materialIconFormGroup.get('icon').value}}</mat-icon>
+  </button>
 </ng-template>

ui-ngx/src/app/shared/components/material-icon-select.component.scss

@@ -22,20 +22,23 @@
       border: solid 1px rgba(0, 0, 0, .27);
       box-sizing: initial;
     }
-    &.icon-box {
+  }
-      border: 1px solid rgba(0, 0, 0, 0.12);
+}
-      border-radius: 4px;
+
-      cursor: pointer;
+:host ::ng-deep {
-      box-sizing: border-box;
+  button.mat-mdc-button-base.icon-box {
-      padding: 8px;
-      height: 40px;
     width: 40px;
-      font-size: 22px;
+    min-width: 40px;
-      vertical-align: middle;
+    height: 40px;
-      &.disabled {
+    padding: 7px;
-        cursor: initial;
+    &:not(:disabled) {
-        color: rgba(0, 0, 0, 0.38);
+      color: rgba(0, 0, 0, 0.87);
-      }
+    }
+    > .mat-icon {
+      width: 24px;
+      height: 24px;
+      font-size: 24px;
+      margin: 0;
     }
   }
 }

ui-ngx/src/app/shared/components/material-icon-select.component.ts

@@ -14,15 +14,18 @@
 /// limitations under the License.
 ///
 
-import { ChangeDetectorRef, Component, forwardRef, Input, OnInit } from '@angular/core';
+import { ChangeDetectorRef, Component, forwardRef, Input, OnInit, Renderer2, ViewContainerRef } from '@angular/core';
 import { PageComponent } from '@shared/components/page.component';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
-import { ControlValueAccessor, UntypedFormBuilder, UntypedFormGroup, NG_VALUE_ACCESSOR } from '@angular/forms';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR, UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
 import { DialogService } from '@core/services/dialog.service';
 import { coerceBooleanProperty } from '@angular/cdk/coercion';
 import { TranslateService } from '@ngx-translate/core';
 import { coerceBoolean } from '@shared/decorators/coercion';
+import { TbPopoverService } from '@shared/components/popover.service';
+import { MaterialIconsComponent } from '@shared/components/material-icons.component';
+import { MatButton } from '@angular/material/button';
 
 @Component({
   selector: 'tb-material-icon-select',
@@ -81,6 +84,9 @@ export class MaterialIconSelectComponent extends PageComponent implements OnInit
   constructor(protected store: Store<AppState>,
               private dialogs: DialogService,
               private translate: TranslateService,
+              private popoverService: TbPopoverService,
+              private renderer: Renderer2,
+              private viewContainerRef: ViewContainerRef,
               private fb: UntypedFormBuilder,
               private cd: ChangeDetectorRef) {
     super(store);
@@ -142,6 +148,32 @@ export class MaterialIconSelectComponent extends PageComponent implements OnInit
     }
   }
 
+  openIconPopup($event: Event, matButton: MatButton) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    const trigger = matButton._elementRef.nativeElement;
+    if (this.popoverService.hasPopover(trigger)) {
+      this.popoverService.hidePopover(trigger);
+    } else {
+      const materialIconsPopover = this.popoverService.displayPopover(trigger, this.renderer,
+        this.viewContainerRef, MaterialIconsComponent, 'left', true, null,
+        {
+          selectedIcon: this.materialIconFormGroup.get('icon').value
+        },
+        {},
+        {}, {}, true);
+      materialIconsPopover.tbComponentRef.instance.popover = materialIconsPopover;
+      materialIconsPopover.tbComponentRef.instance.iconSelected.subscribe((icon) => {
+        materialIconsPopover.hide();
+        this.materialIconFormGroup.patchValue(
+          {icon}, {emitEvent: true}
+        );
+        this.cd.markForCheck();
+      });
+    }
+  }
+
   clear() {
     this.materialIconFormGroup.get('icon').patchValue(null, {emitEvent: true});
     this.cd.markForCheck();

ui-ngx/src/app/shared/components/material-icons.component.html

@@ -0,0 +1,65 @@
+<!--
+
+    Copyright © 2016-2023 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.
+
+-->
+<div class="tb-material-icons-panel">
+  <div class="tb-material-icons-title" translate>icon.icons</div>
+  <mat-form-field class="tb-material-icons-search tb-inline-field" appearance="outline" subscriptSizing="dynamic">
+    <mat-icon matPrefix>search</mat-icon>
+    <input matInput [formControl]="searchIconControl" placeholder="{{ 'icon.search-icon' | translate }}"/>
+    <button *ngIf="searchIconControl.value"
+            type="button"
+            matSuffix mat-icon-button aria-label="Clear"
+            (click)="clearSearch()">
+      <mat-icon class="material-icons">close</mat-icon>
+    </button>
+  </mat-form-field>
+  <cdk-virtual-scroll-viewport [fxShow]="!notFound" #iconsPanel
+                               [itemSize]="iconsRowHeight" class="tb-material-icons-viewport" [ngStyle]="{width: iconsPanelWidth, height: iconsPanelHeight}">
+    <div *cdkVirtualFor="let iconRow of iconRows$ | async" class="tb-material-icons-row">
+      <ng-container *ngFor="let icon of iconRow">
+        <button *ngIf="icon.name === selectedIcon"
+                class="tb-select-icon-button"
+                mat-raised-button
+                color="primary"
+                (click)="selectIcon(icon)"
+                matTooltip="{{ icon.displayName }}"
+                matTooltipPosition="above"
+                type="button">
+          <mat-icon>{{icon.name}}</mat-icon>
+        </button>
+        <button *ngIf="icon.name !== selectedIcon"
+                class="tb-select-icon-button"
+                mat-button
+                (click)="selectIcon(icon)"
+                matTooltip="{{ icon.displayName }}"
+                matTooltipPosition="above"
+                type="button">
+          <mat-icon>{{icon.name}}</mat-icon>
+        </button>
+      </ng-container>
+    </div>
+  </cdk-virtual-scroll-viewport>
+  <button *ngIf="!showAllSubject.value" class="tb-material-icons-show-more" mat-button color="primary" (click)="showAllSubject.next(true)">
+    {{ 'action.show-more' | translate }}
+  </button>
+  <ng-container *ngIf="notFound">
+    <div class="tb-no-data-available" [ngStyle]="{width: iconsPanelWidth}">
+      <div class="tb-no-data-bg"></div>
+      <div class="tb-no-data-text">{{ 'icon.no-icons-found' | translate:{iconSearch: searchIconControl.value} }}</div>
+    </div>
+  </ng-container>
+</div>

ui-ngx/src/app/shared/components/material-icons.component.scss

@@ -0,0 +1,61 @@
+/**
+ * Copyright © 2016-2023 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.
+ */
+.tb-material-icons-panel {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+  align-items: center;
+  .tb-material-icons-title {
+    font-size: 16px;
+    font-weight: 500;
+    line-height: 24px;
+    letter-spacing: 0.25px;
+    color: rgba(0, 0, 0, 0.87);
+  }
+  .tb-material-icons-title, .tb-material-icons-search, .tb-material-icons-show-more {
+    width: 100%;
+  }
+  .tb-material-icons-viewport {
+    min-height: 144px;
+  }
+  .tb-material-icons-row {
+    display: flex;
+    flex-direction: row;
+    gap: 12px;
+  }
+  .tb-material-icons-row + .tb-material-icons-row {
+    margin-top: 12px;
+  }
+  .tb-no-data-available {
+    min-height: 144px;
+  }
+  button.mat-mdc-button-base.tb-select-icon-button {
+    width: 36px;
+    min-width: 36px;
+    height: 36px;
+    padding: 6px;
+    &:not(.mat-primary) {
+      color: rgba(0, 0, 0, 0.54);
+    }
+    > .mat-icon {
+      width: 24px;
+      height: 24px;
+      font-size: 24px;
+      margin: 0;
+    }
+  }
+}

ui-ngx/src/app/shared/components/material-icons.component.ts

@@ -1,24 +1,135 @@
+///
+/// Copyright © 2016-2023 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 { PageComponent } from '@shared/components/page.component';
-import { OnInit } from '@angular/core';
+import {
+  ChangeDetectorRef,
+  Component,
+  EventEmitter,
+  Input,
+  OnInit,
+  Output,
+  ViewChild,
+  ViewEncapsulation
+} from '@angular/core';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
 import { UntypedFormControl } from '@angular/forms';
-import { BehaviorSubject, Observable, ReplaySubject } from 'rxjs';
+import { BehaviorSubject, combineLatest, debounce, Observable, of, timer } from 'rxjs';
+import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
+import { getMaterialIcons, MaterialIcon } from '@shared/models/icon.models';
+import { distinctUntilChanged, map, mergeMap, share, startWith, tap } from 'rxjs/operators';
+import { ResourcesService } from '@core/services/resources.service';
+import { TbPopoverComponent } from '@shared/components/popover.component';
+import { BreakpointObserver } from '@angular/cdk/layout';
+import { MediaBreakpoints } from '@shared/models/constants';
 
+@Component({
+  selector: 'tb-material-icons',
+  templateUrl: './material-icons.component.html',
+  providers: [],
+  styleUrls: ['./material-icons.component.scss'],
+  encapsulation: ViewEncapsulation.None
+})
 export class MaterialIconsComponent extends PageComponent implements OnInit {
 
-  searchIconsControl: UntypedFormControl;
+  @ViewChild('iconsPanel')
+  iconsPanel: CdkVirtualScrollViewport;
+
+  @Input()
+  selectedIcon: string;
+
+  @Input()
+  popover: TbPopoverComponent<MaterialIconsComponent>;
+
+  @Output()
+  iconSelected = new EventEmitter<string>();
+
+  iconRows$: Observable<MaterialIcon[][]>;
   showAllSubject = new BehaviorSubject<boolean>(false);
+  searchIconControl: UntypedFormControl;
 
-  icons$: Observable<Array<string>>;
+  iconsRowHeight = 48;
 
-  constructor(protected store: Store<AppState>) {
+  iconsPanelHeight: string;
+  iconsPanelWidth: string;
+
+  notFound = false;
+
+  constructor(protected store: Store<AppState>,
+              private resourcesService: ResourcesService,
+              private breakpointObserver: BreakpointObserver,
+              private cd: ChangeDetectorRef) {
     super(store);
-    this.searchIconsControl = new UntypedFormControl('');
+    this.searchIconControl = new UntypedFormControl('');
   }
 
   ngOnInit(): void {
-
+    const iconsRowSize = this.breakpointObserver.isMatched(MediaBreakpoints['lt-md']) ? 8 : 11;
+    this.calculatePanelSize(iconsRowSize);
+    const iconsRowSizeObservable = this.breakpointObserver
+      .observe(MediaBreakpoints['lt-md']).pipe(
+        map((state) => state.matches ? 8 : 11),
+        startWith(iconsRowSize),
+    );
+    this.iconRows$ = combineLatest({showAll: this.showAllSubject.asObservable(),
+      rowSize: iconsRowSizeObservable,
+      searchText: this.searchIconControl.valueChanges.pipe(
+        startWith(''),
+        debounce((searchText) => searchText ? timer(150) : of({})),
+      )}).pipe(
+      map((data) => {
+        if (data.searchText && !data.showAll) {
+          data.showAll = true;
+          this.showAllSubject.next(true);
+        }
+        return data;
+      }),
+      distinctUntilChanged((p, c) => c.showAll === p.showAll && c.searchText === p.searchText && c.rowSize === p.rowSize),
+      mergeMap((data) => getMaterialIcons(this.resourcesService, data.rowSize, data.showAll, data.searchText).pipe(
+        map(iconRows => ({iconRows, iconsRowSize: data.rowSize}))
+      )),
+      tap((data) => {
+        this.notFound = !data.iconRows.length;
+        this.calculatePanelSize(data.iconsRowSize, data.iconRows.length);
+        this.cd.markForCheck();
+        setTimeout(() => {
+          this.checkSize();
+        }, 0);
+      }),
+      map((data) => data.iconRows),
+      share()
+    );
   }
 
+  clearSearch() {
+    this.searchIconControl.patchValue('', {emitEvent: true});
+  }
+
+  selectIcon(icon: MaterialIcon) {
+    this.iconSelected.emit(icon.name);
+  }
+
+  private calculatePanelSize(iconsRowSize: number, iconRows = 4) {
+    this.iconsPanelHeight = Math.min(iconRows * this.iconsRowHeight, 10 * this.iconsRowHeight) + 'px';
+    this.iconsPanelWidth = (iconsRowSize * 36 + (iconsRowSize - 1) * 12 + 6) + 'px';
+  }
+
+  private checkSize() {
+    this.iconsPanel?.checkViewportSize();
+    this.popover?.updatePosition();
+  }
 }

ui-ngx/src/app/shared/components/popover.component.ts

@@ -63,8 +63,10 @@ import { coerceBoolean } from '@shared/decorators/coercion';
 export type TbPopoverTrigger = 'click' | 'focus' | 'hover' | null;
 
 @Directive({
+  // eslint-disable-next-line @angular-eslint/directive-selector
   selector: '[tb-popover]',
   exportAs: 'tbPopover',
+  // eslint-disable-next-line @angular-eslint/no-host-metadata-property
   host: {
     '[class.tb-popover-open]': 'visible'
   }
@@ -265,12 +267,20 @@ export class TbPopoverDirective implements OnChanges, OnDestroy, AfterViewInit {
     } else if (delay > 0) {
       this.delayTimer = setTimeout(() => {
         this.delayTimer = undefined;
-        isEnter ? this.show() : this.hide();
+        if (isEnter) {
+          this.show();
+        } else {
+          this.hide();
+        }
       }, delay * 1000);
     } else {
       // `isOrigin` is used due to the tooltip will not hide immediately
       // (may caused by the fade-out animation).
-      isEnter && isOrigin ? this.show() : this.hide();
+      if (isEnter && isOrigin) {
+        this.show();
+      } else {
+        this.hide();
+      }
     }
   }
 
@@ -345,15 +355,15 @@ export class TbPopoverDirective implements OnChanges, OnDestroy, AfterViewInit {
     </ng-template>
   `
 })
-export class TbPopoverComponent implements OnDestroy, OnInit {
+export class TbPopoverComponent<T = any> implements OnDestroy, OnInit {
 
   @ViewChild('overlay', { static: false }) overlay!: CdkConnectedOverlay;
   @ViewChild('popoverRoot', { static: false }) popoverRoot!: ElementRef<HTMLElement>;
   @ViewChild('popover', { static: false }) popover!: ElementRef<HTMLElement>;
 
   tbContent: string | TemplateRef<void> | null = null;
-  tbComponentFactory: ComponentFactory<any> | null = null;
+  tbComponentFactory: ComponentFactory<T> | null = null;
-  tbComponentRef: ComponentRef<any> | null = null;
+  tbComponentRef: ComponentRef<T> | null = null;
   tbComponentContext: any;
   tbComponentInjector: Injector | null = null;
   tbComponentStyle: { [klass: string]: any }  = {};

ui-ngx/src/app/shared/components/popover.service.ts

@@ -65,7 +65,7 @@ export class TbPopoverService {
   displayPopover<T>(trigger: Element, renderer: Renderer2, hostView: ViewContainerRef,
                     componentType: Type<T>, preferredPlacement: PopoverPlacement = 'top', hideOnClickOutside = true,
                     injector?: Injector, context?: any, overlayStyle: any = {}, popoverStyle: any = {}, style?: any,
-                    showCloseButton = true): TbPopoverComponent {
+                    showCloseButton = true): TbPopoverComponent<T> {
     const componentRef = this.createPopoverRef(hostView);
     return this.displayPopoverWithComponentRef(componentRef, trigger, renderer, componentType, preferredPlacement, hideOnClickOutside,
       injector, context, overlayStyle, popoverStyle, style, showCloseButton);
@@ -74,7 +74,7 @@ export class TbPopoverService {
   displayPopoverWithComponentRef<T>(componentRef: ComponentRef<TbPopoverComponent>, trigger: Element, renderer: Renderer2,
                                     componentType: Type<T>, preferredPlacement: PopoverPlacement = 'top',
                                     hideOnClickOutside = true, injector?: Injector, context?: any, overlayStyle: any = {},
-                                    popoverStyle: any = {}, style?: any, showCloseButton = true): TbPopoverComponent {
+                                    popoverStyle: any = {}, style?: any, showCloseButton = true): TbPopoverComponent<T> {
     const component = componentRef.instance;
     this.popoverWithTriggers.push({
       trigger,

ui-ngx/src/app/shared/components/public-api.ts

@@ -26,3 +26,4 @@ export * from './resource/resource-autocomplete.component';
 export * from './toggle-header.component';
 export * from './toggle-select.component';
 export * from './unit-input.component';
+export * from './material-icons.component';

ui-ngx/src/app/shared/models/icon.models.ts

@@ -1,11 +1,27 @@
-import { Unit, units } from '@shared/models/unit.models';
+///
+/// Copyright © 2016-2023 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 { ResourcesService } from '@core/services/resources.service';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { isEmptyStr, isNotEmptyStr } from '@core/utils';
+import { isNotEmptyStr } from '@core/utils';
 
 export interface MaterialIcon {
   name: string;
+  displayName?: string;
   tags: string[];
 }
 
@@ -16,21 +32,41 @@ const searchIconTags = (icon: MaterialIcon, searchText: string): boolean =>
 
 const searchIcons = (_icons: Array<MaterialIcon>, searchText: string): Array<MaterialIcon> => _icons.filter(
   i => i.name.toUpperCase().includes(searchText.toUpperCase()) ||
+    i.displayName.toUpperCase().includes(searchText.toUpperCase()) ||
     searchIconTags(i, searchText)
 );
 
-const getCommonMaterialIcons = (icons: Array<MaterialIcon>): Array<MaterialIcon> => icons.slice(0, 44);
+const getCommonMaterialIcons = (icons: Array<MaterialIcon>, chunkSize: number): Array<MaterialIcon> => icons.slice(0, chunkSize * 4);
 
-export const getMaterialIcons = (resourcesService: ResourcesService,  all = false, searchText: string): Observable<string[]> =>
+export const getMaterialIcons = (resourcesService: ResourcesService,  chunkSize = 11,
-  resourcesService.loadJsonResource<Array<MaterialIcon>>('/assets/metadata/material-icons.json').pipe(
+                                 all = false, searchText: string): Observable<MaterialIcon[][]> =>
+  resourcesService.loadJsonResource<Array<MaterialIcon>>('/assets/metadata/material-icons.json',
+    (icons) => {
+      for (const icon of icons) {
+        const words = icon.name.replace(/_/g, ' ').split(' ');
+        for (let i = 0; i < words.length; i++) {
+          words[i] = words[i].charAt(0).toUpperCase() + words[i].slice(1);
+        }
+        icon.displayName = words.join(' ');
+      }
+      return icons;
+    }
+  ).pipe(
     map((icons) => {
       if (isNotEmptyStr(searchText)) {
         return searchIcons(icons, searchText);
       } else if (!all) {
-        return getCommonMaterialIcons(icons);
+        return getCommonMaterialIcons(icons, chunkSize);
       } else {
         return icons;
       }
     }),
-    map((icons) => icons.map(icon => icon.name))
+    map((icons) => {
+      const iconChunks: MaterialIcon[][] = [];
+      for (let i = 0; i < icons.length; i += chunkSize) {
+        const chunk = icons.slice(i, i + chunkSize);
+        iconChunks.push(chunk);
+      }
+      return iconChunks;
+    })
   );

ui-ngx/src/app/shared/shared.module.ts

@@ -195,6 +195,7 @@ import { ToggleHeaderComponent, ToggleOption } from '@shared/components/toggle-h
 import { RuleChainSelectComponent } from '@shared/components/rule-chain/rule-chain-select.component';
 import { ToggleSelectComponent } from '@shared/components/toggle-select.component';
 import { UnitInputComponent } from '@shared/components/unit-input.component';
+import { MaterialIconsComponent } from '@shared/components/material-icons.component';
 
 export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService) {
   return markedOptionsService;
@@ -369,6 +370,7 @@ export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService)
     ToggleOption,
     ToggleSelectComponent,
     UnitInputComponent,
+    MaterialIconsComponent,
     RuleChainSelectComponent
   ],
   imports: [
@@ -600,6 +602,7 @@ export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService)
     ToggleOption,
     ToggleSelectComponent,
     UnitInputComponent,
+    MaterialIconsComponent,
     RuleChainSelectComponent
   ]
 })

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -68,7 +68,8 @@
         "less": "Less",
         "skip": "Skip",
         "send": "Send",
-        "reset": "Reset"
+        "reset": "Reset",
+        "show-more": "Show more"
     },
     "aggregation": {
         "aggregation": "Aggregation",
@@ -5501,9 +5502,12 @@
     },
     "icon": {
         "icon": "Icon",
+        "icons": "Icons",
         "select-icon": "Select icon",
         "material-icons": "Material icons",
-        "show-all": "Show all icons"
+        "show-all": "Show all icons",
+        "search-icon": "Search icon",
+        "no-icons-found": "No icons found for '{{iconSearch}}'"
     },
     "phone-input": {
         "phone-input-label": "Phone number",

ui-ngx/src/form.scss

@@ -13,6 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+@import './scss/constants';
+
 .tb-default, .tb-dark {
   .tb-form-panel {
     box-shadow: 0 0 10px 6px rgba(11, 17, 51, 0.04);
@@ -177,6 +180,13 @@
         opacity: 0;
       }
     }
+    &:not(.mat-mdc-form-field-has-icon-prefix) {
+      .mat-mdc-text-field-wrapper {
+        &.mdc-text-field--outlined, &:not(.mdc-text-field--outlined) {
+          padding-left: 12px;
+        }
+      }
+    }
     &:not(.mat-mdc-form-field-has-icon-suffix) {
       .mat-mdc-text-field-wrapper {
         &.mdc-text-field--outlined, &:not(.mdc-text-field--outlined) {
@@ -186,7 +196,6 @@
     }
     .mat-mdc-text-field-wrapper {
       &.mdc-text-field--outlined, &:not(.mdc-text-field--outlined) {
-        padding-left: 12px;
         &:not(.mdc-text-field--focused):not(.mdc-text-field--disabled):not(:hover) {
           .mdc-notched-outline__leading, .mdc-notched-outline__trailing {
             border-color: rgba(0, 0, 0, 0.12);
@@ -203,7 +212,7 @@
             line-height: 20px;
           }
         }
-        .mat-mdc-form-field-icon-suffix {
+        .mat-mdc-form-field-icon-prefix, .mat-mdc-form-field-icon-suffix {
           height: 40px;
           font-size: 14px;
           line-height: 40px;
@@ -336,4 +345,49 @@
       }
     }
   }
+
+  .tb-no-data-available {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+  }
+
+  .tb-no-data-bg {
+    margin: 10px;
+    position: relative;
+    flex: 1;
+    width: 100%;
+    max-height: 100px;
+    &:before {
+      content: "";
+      position: absolute;
+      top: 0;
+      left: 0;
+      right: 0;
+      bottom: 0;
+      background: #305680;
+      -webkit-mask-image: url(/assets/home/no_data_folder_bg.svg);
+      -webkit-mask-repeat: no-repeat;
+      -webkit-mask-size: contain;
+      -webkit-mask-position: center;
+      mask-image: url(/assets/home/no_data_folder_bg.svg);
+      mask-repeat: no-repeat;
+      mask-size: contain;
+      mask-position: center;
+    }
+  }
+
+  .tb-no-data-text {
+    font-weight: 500;
+    font-size: 14px;
+    line-height: 20px;
+    letter-spacing: 0.25px;
+    color: rgba(0, 0, 0, 0.54);
+    @media #{$mat-md-lg} {
+      font-size: 12px;
+      line-height: 16px;
+    }
+  }
 }