Device profiles: implementation of the protobuf editor for MQTT device transport configuration

@@ -74,35 +74,54 @@
           </mat-error>
         </mat-form-field>
         <div *ngIf="protoPayloadType" fxLayout="column">
-          <mat-form-field fxFlex>
-            <mat-label translate>device-profile.telemetry-proto-schema</mat-label>
-            <textarea matInput required formControlName="deviceTelemetryProtoSchema" rows="5"></textarea>
+          <div>
+            <tb-protobuf-content
+              [disabled]="disabled"
+              fxFlex
+              formControlName="deviceTelemetryProtoSchema"
+              label="{{ 'device-profile.telemetry-proto-schema' | translate }}"
+              [fillHeight]="true">
+            </tb-protobuf-content>
             <mat-error *ngIf="mqttDeviceProfileTransportConfigurationFormGroup.get('transportPayloadTypeConfiguration.deviceTelemetryProtoSchema').hasError('required')">
               {{ 'device-profile.telemetry-proto-schema-required' | translate}}
             </mat-error>
-          </mat-form-field>
-          <mat-form-field fxFlex>
-            <mat-label translate>device-profile.attributes-proto-schema</mat-label>
-            <textarea matInput required formControlName="deviceAttributesProtoSchema" rows="5"></textarea>
+          </div>
+          <div>
+            <tb-protobuf-content
+              [disabled]="disabled"
+              fxFlex
+              formControlName="deviceAttributesProtoSchema"
+              label="{{ 'device-profile.attributes-proto-schema' | translate }}"
+              [fillHeight]="true">
+            </tb-protobuf-content>
             <mat-error *ngIf="mqttDeviceProfileTransportConfigurationFormGroup.get('transportPayloadTypeConfiguration.deviceAttributesProtoSchema').hasError('required')">
               {{ 'device-profile.attributes-proto-schema-required' | translate}}
             </mat-error>
-          </mat-form-field>
-          <mat-form-field style="padding-bottom: 20px" fxFlex>
-            <mat-label translate>device-profile.rpc-request-proto-schema</mat-label>
-            <textarea matInput required formControlName="deviceRpcRequestProtoSchema" rows="5"></textarea>
+          </div>
+          <div>
+            <tb-protobuf-content
+              [disabled]="disabled"
+              fxFlex
+              formControlName="deviceRpcRequestProtoSchema"
+              label="{{ 'device-profile.rpc-request-proto-schema' | translate }}"
+              [fillHeight]="true">
+            </tb-protobuf-content>
             <mat-error *ngIf="mqttDeviceProfileTransportConfigurationFormGroup.get('transportPayloadTypeConfiguration.deviceRpcRequestProtoSchema').hasError('required')">
-              {{ 'device-profile.rpc-request-proto-schema-required' | translate}}
+              {{ 'device-profile.rpc-request-proto-required' | translate}}
             </mat-error>
-            <mat-hint class="tb-hint" translate>device-profile.rpc-request-proto-schema-hint</mat-hint>
-          </mat-form-field>
-          <mat-form-field fxFlex>
-            <mat-label translate>device-profile.rpc-response-proto-schema</mat-label>
-            <textarea matInput required formControlName="deviceRpcResponseProtoSchema" rows="5"></textarea>
+          </div>
+          <div>
+            <tb-protobuf-content
+              [disabled]="disabled"
+              fxFlex
+              formControlName="deviceRpcResponseProtoSchema"
+              label="{{ 'device-profile.rpc-response-proto-schema' | translate }}"
+              [fillHeight]="true">
+            </tb-protobuf-content>
             <mat-error *ngIf="mqttDeviceProfileTransportConfigurationFormGroup.get('transportPayloadTypeConfiguration.deviceRpcResponseProtoSchema').hasError('required')">
               {{ 'device-profile.rpc-response-proto-schema-required' | translate}}
             </mat-error>
-          </mat-form-field>
+          </div>
         </div>
       </div>
     </fieldset>

+<div style="background: #fff;" [ngClass]="{'fill-height': fillHeight}"
+     tb-fullscreen
+     [fullscreen]="fullscreen" (fullscreenChanged)="onFullscreen()" fxLayout="column">
+  <div fxLayout="row" fxLayoutAlign="start center" style="height: 40px;" class="tb-protobuf-content-toolbar">
+    <label class="tb-title no-padding" [ngClass]="{'tb-error': !contentValid}">{{ label }}</label>
+    <span fxFlex></span>
+    <button type="button"
+            mat-button *ngIf="!readonly && !disabled" class="tidy" (click)="beautifyJSON()">
+      {{'js-func.tidy' | translate }}
+    </button>
+    <button type="button"
+            mat-button *ngIf="!readonly && !disabled" class="tidy" (click)="minifyJSON()">
+      {{'js-func.mini' | translate }}
+    </button>
+    <fieldset style="width: initial">
+      <div matTooltip="{{(fullscreen ? 'fullscreen.exit' : 'fullscreen.expand') | translate}}"
+           matTooltipPosition="above"
+           style="border-radius: 50%"
+           (click)="fullscreen = !fullscreen">
+        <button type='button' mat-button mat-icon-button class="tb-mat-32">
+          <mat-icon class="material-icons">{{ fullscreen ? 'fullscreen_exit' : 'fullscreen' }}</mat-icon>
+        </button>
+      </div>
+    </fieldset>
+  </div>
+  <div id="tb-protobuf-panel" tb-toast toastTarget="{{toastTargetId}}"
+       class="tb-protobuf-content-panel" fxLayout="column">
+    <div #protobufEditor id="tb-protobuf-input" [ngStyle]="editorStyle" [ngClass]="{'fill-height': fillHeight}"></div>
+  </div>
+</div>

+:host {
+  position: relative;
+
+  .fill-height {
+    height: 100%;
+  }
+}
+
+.tb-protobuf-content-toolbar {
+  button.mat-button, button.mat-icon-button, button.mat-icon-button.tb-mat-32 {
+    align-items: center;
+    vertical-align: middle;
+    min-width: 32px;
+    min-height: 15px;
+    padding: 4px;
+    margin: 0;
+    font-size: .8rem;
+    line-height: 15px;
+    color: #7b7b7b;
+    background: rgba(220, 220, 220, .35);
+    &:not(:last-child) {
+      margin-right: 4px;
+    }
+  }
+}
+
+.tb-protobuf-content-panel {
+  height: 100%;
+  margin-left: 15px;
+  border: 1px solid #c0c0c0;
+  overflow: auto;
+  resize: vertical;
+
+  #tb-protobuf-input {
+    width: 100%;
+    min-width: 200px;
+    min-height: 100px;
+
+    &:not(.fill-height) {
+      min-height: 200px;
+    }
+  }
+}

+import {
+  Component,
+  ElementRef,
+  forwardRef,
+  Input,
+  OnChanges,
+  OnDestroy,
+  OnInit,
+  SimpleChanges,
+  ViewChild
+} from '@angular/core';
+import { ControlValueAccessor, FormControl, NG_VALIDATORS, NG_VALUE_ACCESSOR, Validator } from '@angular/forms';
+import { Ace } from 'ace-builds';
+import { CancelAnimationFrame, RafService } from '@core/services/raf.service';
+import { ResizeObserver } from '@juggle/resize-observer';
+import { guid } from '@core/utils';
+import { ContentType } from '@shared/models/constants';
+import { coerceBooleanProperty } from '@angular/cdk/coercion';
+import { Store } from '@ngrx/store';
+import { AppState } from '@core/core.state';
+import { getAce } from '@shared/models/ace/ace.models';
+import { beautifyJs } from '@shared/models/beautify.models';
+import { ActionNotificationHide, ActionNotificationShow } from '@core/notification/notification.actions';
+
+@Component({
+  selector: 'tb-protobuf-content',
+  templateUrl: './protobuf-content.component.html',
+  styleUrls: ['./protobuf-content.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => ProtobufContentComponent),
+      multi: true
+    },
+    {
+      provide: NG_VALIDATORS,
+      useExisting: forwardRef(() => ProtobufContentComponent),
+      multi: true,
+    }
+  ]
+})
+export class ProtobufContentComponent implements OnInit, ControlValueAccessor, Validator, OnChanges, OnDestroy {
+
+  @ViewChild('protobufEditor', {static: true})
+  protobufEditorElmRef: ElementRef;
+
+  private protobufEditor: Ace.Editor;
+  private editorsResizeCaf: CancelAnimationFrame;
+  private editorResize$: ResizeObserver;
+  private ignoreChange = false;
+
+  toastTargetId = `protobufContentEditor-${guid()}`;
+
+  @Input() label: string;
+
+  contentType: ContentType = ContentType.TEXT;
+
+  @Input() disabled: boolean;
+
+  @Input() fillHeight: boolean;
+
+  @Input() editorStyle: {[klass: string]: any};
+
+  @Input() tbPlaceholder: string;
+
+  private readonlyValue: boolean;
+  get readonly(): boolean {
+    return this.readonlyValue;
+  }
+  @Input()
+  set readonly(value: boolean) {
+    this.readonlyValue = coerceBooleanProperty(value);
+  }
+
+  fullscreen = false;
+
+  contentBody: string;
+
+  contentValid: boolean;
+
+  errorShowed = false;
+
+  private propagateChange = null;
+
+  constructor(public elementRef: ElementRef,
+              protected store: Store<AppState>,
+              private raf: RafService) {
+  }
+
+  ngOnInit(): void {
+    const editorElement = this.protobufEditorElmRef.nativeElement;
+    let mode = 'protobuf';
+    let editorOptions: Partial<Ace.EditorOptions> = {
+      mode: `ace/mode/${mode}`,
+      showGutter: true,
+      showPrintMargin: false,
+      readOnly: this.disabled || this.readonly,
+    };
+
+    const advancedOptions = {
+      enableSnippets: true,
+      enableBasicAutocompletion: true,
+      enableLiveAutocompletion: true,
+      autoScrollEditorIntoView: true
+    };
+
+    editorOptions = {...editorOptions, ...advancedOptions};
+    getAce().subscribe(
+      (ace) => {
+        this.protobufEditor = ace.edit(editorElement, editorOptions);
+        this.protobufEditor.session.setUseWrapMode(true);
+        this.protobufEditor.setValue(this.contentBody ? this.contentBody : '', -1);
+        this.protobufEditor.setReadOnly(this.disabled || this.readonly);
+        this.protobufEditor.on('change', () => {
+          if (!this.ignoreChange) {
+            this.updateView();
+          }
+        });
+        this.editorResize$ = new ResizeObserver(() => {
+          this.onAceEditorResize();
+        });
+        this.editorResize$.observe(editorElement);
+      }
+    );
+  }
+
+  ngOnDestroy(): void {
+    if (this.editorResize$) {
+      this.editorResize$.disconnect();
+    }
+  }
+
+  private onAceEditorResize() {
+    if (this.editorsResizeCaf) {
+      this.editorsResizeCaf();
+      this.editorsResizeCaf = null;
+    }
+    this.editorsResizeCaf = this.raf.raf(() => {
+      this.protobufEditor.resize();
+      this.protobufEditor.renderer.updateFull();
+    });
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    for (const propName of Object.keys(changes)) {
+      const change = changes[propName];
+      if (!change.firstChange && change.currentValue !== change.previousValue) {
+        if (propName === 'contentType') {
+          if (this.protobufEditor) {
+            let mode = 'protobuf';
+            this.protobufEditor.session.setMode(`ace/mode/${mode}`);
+          }
+        }
+      }
+    }
+  }
+
+  registerOnChange(fn: any): void {
+    this.propagateChange = fn;
+  }
+
+  registerOnTouched(fn: any): void {
+  }
+
+  setDisabledState(isDisabled: boolean): void {
+    this.disabled = isDisabled;
+    if (this.protobufEditor) {
+      this.protobufEditor.setReadOnly(this.disabled || this.readonly);
+    }
+  }
+
+  public validate(c: FormControl) {
+    return (this.contentValid) ? null : {
+      contentBody: {
+        valid: false,
+      },
+    };
+  }
+
+  writeValue(value: string): void {
+    this.contentBody = value;
+    this.contentValid = true;
+    if (this.protobufEditor) {
+      this.ignoreChange = true;
+      this.protobufEditor.setValue(this.contentBody ? this.contentBody : '', -1);
+      this.ignoreChange = false;
+    }
+  }
+
+  updateView() {
+    const editorValue = this.protobufEditor.getValue();
+    if (this.contentBody !== editorValue) {
+      this.contentBody = editorValue;
+      this.propagateChange(this.contentBody);
+    }
+  }
+
+  beautifyJSON() {
+    beautifyJs(this.contentBody, {indent_size: 4, wrap_line_length: 60}).subscribe(
+      (res) => {
+        this.protobufEditor.setValue(res ? res : '', -1);
+        this.updateView();
+      }
+    );
+  }
+
+  minifyJSON() {
+    const res = JSON.stringify(this.contentBody);
+    this.protobufEditor.setValue(res ? res : '', -1);
+    this.updateView();
+  }
+
+  onFullscreen() {
+    if (this.protobufEditor) {
+      setTimeout(() => {
+        this.protobufEditor.resize();
+      }, 0);
+    }
+  }
+
+}

@@ -36,6 +36,7 @@ export function loadAceDependencies(): Observable<any> {
     aceObservables.push(from(import('ace-builds/src-noconflict/mode-text')));
     aceObservables.push(from(import('ace-builds/src-noconflict/mode-markdown')));
     aceObservables.push(from(import('ace-builds/src-noconflict/mode-html')));
+    aceObservables.push(from(import('ace-builds/src-noconflict/mode-protobuf')));
     aceObservables.push(from(import('ace-builds/src-noconflict/snippets/java')));
     aceObservables.push(from(import('ace-builds/src-noconflict/snippets/css')));
     aceObservables.push(from(import('ace-builds/src-noconflict/snippets/json')));

@@ -155,6 +155,7 @@ import { MarkedOptionsService } from '@shared/components/marked-options.service'
 import { TbPopoverService } from '@shared/components/popover.service';
 import { HELP_MARKDOWN_COMPONENT_TOKEN, SHARED_MODULE_TOKEN } from '@shared/components/tokens';
 import { TbMarkdownComponent } from '@shared/components/markdown.component';
+import { ProtobufContentComponent } from './components/protobuf-content.component';
 
 export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService) {
   return markedOptionsService;
@@ -268,7 +269,8 @@ export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService)
     OtaPackageAutocompleteComponent,
     WidgetsBundleSearchComponent,
     CopyButtonComponent,
-    TogglePasswordComponent
+    TogglePasswordComponent,
+    ProtobufContentComponent
   ],
   imports: [
     CommonModule,
@@ -458,7 +460,8 @@ export function MarkedOptionsFactory(markedOptionsService: MarkedOptionsService)
     OtaPackageAutocompleteComponent,
     WidgetsBundleSearchComponent,
     CopyButtonComponent,
-    TogglePasswordComponent
+    TogglePasswordComponent,
+    ProtobufContentComponent
   ]
 })
 export class SharedModule { }