Feature/input box component (#1190)

* Adding new view component for input box

src/sql/workbench/api/node/extHostModelView.ts

@@ -13,10 +13,11 @@ import * as vscode from 'vscode';
 import * as sqlops from 'sqlops';
 
 import { SqlMainContext, ExtHostModelViewShape, MainThreadModelViewShape } from 'sql/workbench/api/node/sqlExtHost.protocol';
-import { IItemConfig, ModelComponentTypes, IComponentShape } from 'sql/workbench/api/common/sqlExtHostTypes';
+import { IItemConfig, ModelComponentTypes, IComponentShape, IComponentEventArgs, ComponentEventType } from 'sql/workbench/api/common/sqlExtHostTypes';
 
 class ModelBuilderImpl implements sqlops.ModelBuilder {
 	private nextComponentId: number;
+	private readonly _eventHandlers = new Map<string, IWithEventHandler>();
 
 	constructor(private readonly _proxy: MainThreadModelViewShape, private readonly _handle: number) {
 		this.nextComponentId = 0;
@@ -34,17 +35,35 @@ class ModelBuilderImpl implements sqlops.ModelBuilder {
 
 	card(): sqlops.ComponentBuilder<sqlops.CardComponent> {
 		let id = this.getNextComponentId();
-		return new ComponentBuilderImpl(new CardWrapper(this._proxy, this._handle, id));
+		return this.withEventHandler(new CardWrapper(this._proxy, this._handle, id), id);
+	}
+
+	inputBox(): sqlops.ComponentBuilder<sqlops.InputBoxComponent> {
+		let id = this.getNextComponentId();
+		return this.withEventHandler(new InputBoxWrapper(this._proxy, this._handle, id), id);
 	}
 
 	dashboardWidget(widgetId: string): sqlops.ComponentBuilder<sqlops.WidgetComponent> {
 		let id = this.getNextComponentId();
-		return new ComponentBuilderImpl<sqlops.WidgetComponent>(new ComponentWrapper(this._proxy, this._handle, ModelComponentTypes.DashboardWidget, id));
+		return this.withEventHandler<sqlops.WidgetComponent>(new ComponentWrapper(this._proxy, this._handle, ModelComponentTypes.DashboardWidget, id), id);
 	}
 
 	dashboardWebview(webviewId: string): sqlops.ComponentBuilder<sqlops.WebviewComponent> {
 		let id = this.getNextComponentId();
-		return new ComponentBuilderImpl(new ComponentWrapper(this._proxy, this._handle, ModelComponentTypes.DashboardWebview, id));
+		return this.withEventHandler(new ComponentWrapper(this._proxy, this._handle, ModelComponentTypes.DashboardWebview, id), id);
+	}
+
+	withEventHandler<T extends sqlops.Component>(component: ComponentWrapper, id: string): sqlops.ComponentBuilder<T> {
+		let componentBuilder: ComponentBuilderImpl<T> = new ComponentBuilderImpl<T>(component);
+		this._eventHandlers.set(id, componentBuilder);
+		return componentBuilder;
+	}
+
+	handleEvent(componentId: string, eventArgs: IComponentEventArgs): void {
+		let eventHandler = this._eventHandlers.get(componentId);
+		if (eventHandler) {
+			eventHandler.handleEvent(eventArgs);
+		}
 	}
 
 	private getNextComponentId(): string {
@@ -52,9 +71,14 @@ class ModelBuilderImpl implements sqlops.ModelBuilder {
 	}
 }
 
-class ComponentBuilderImpl<T extends sqlops.Component> implements sqlops.ComponentBuilder<T> {
+interface IWithEventHandler {
+	handleEvent(eventArgs: IComponentEventArgs): void;
+}
+
+class ComponentBuilderImpl<T extends sqlops.Component> implements sqlops.ComponentBuilder<T>, IWithEventHandler {
 
 	constructor(protected _component: ComponentWrapper) {
+		_component.registerEvent();
 	}
 
 	component(): T {
@@ -65,6 +89,10 @@ class ComponentBuilderImpl<T extends sqlops.Component> implements sqlops.Compone
 		this._component.properties = properties;
 		return this;
 	}
+
+	handleEvent(eventArgs: IComponentEventArgs) {
+		this._component.onEvent(eventArgs);
+	}
 }
 
 class GenericComponentBuilder<T extends sqlops.Component> extends ComponentBuilderImpl<T> {
@@ -150,7 +178,6 @@ class ComponentWrapper implements sqlops.Component {
 		};
 	}
 
-
 	public clearItems(): Thenable<void> {
 		this.itemConfigs = [];
 		return this._proxy.$clearContainer(this._handle, this.id);
@@ -184,6 +211,16 @@ class ComponentWrapper implements sqlops.Component {
 		return this._proxy.$setProperties(this._handle, this._id, this.properties).then(() => true);
 	}
 
+	public registerEvent(): Thenable<boolean> {
+		return this._proxy.$registerEvent(this._handle, this._id).then(() => true);
+	}
+
+	public onEvent(eventArgs: IComponentEventArgs) {
+		if (eventArgs && eventArgs.eventType === ComponentEventType.PropertiesChanged) {
+			this.properties = eventArgs.args;
+		}
+	}
+
 	protected setProperty(key: string, value: any): Thenable<boolean> {
 		if (!this.properties[key] || this.properties[key] !== value) {
 			// Only notify the front end if a value has been updated
@@ -233,11 +270,45 @@ class CardWrapper extends ComponentWrapper implements sqlops.CardComponent {
 	}
 }
 
+class InputBoxWrapper extends ComponentWrapper implements sqlops.InputBoxComponent {
+
+	constructor(proxy: MainThreadModelViewShape, handle: number, id: string) {
+		super(proxy, handle, ModelComponentTypes.InputBox, id);
+		this.properties = {};
+		this._emitterMap.set(ComponentEventType.onDidChange, new Emitter<any>());
+	}
+
+	private _onTextChangedEmitter = new Emitter<any>();
+	private _emitterMap = new Map<ComponentEventType, Emitter<any>>();
+
+	public get value(): string {
+		return this.properties['value'];
+	}
+	public set value(v: string) {
+		this.setProperty('value', v);
+	}
+
+	public get onTextChanged(): vscode.Event<any> {
+		let emitter = this._emitterMap.get(ComponentEventType.onDidChange);
+		return emitter && emitter.event;
+	}
+
+	public onEvent(eventArgs: IComponentEventArgs) {
+		super.onEvent(eventArgs);
+		if (eventArgs) {
+			let emitter = this._emitterMap.get(eventArgs.eventType);
+			if (emitter) {
+				emitter.fire();
+			}
+		}
+	}
+}
+
 class ModelViewImpl implements sqlops.ModelView {
 
 	public onClosedEmitter = new Emitter<any>();
 
-	private _modelBuilder: sqlops.ModelBuilder;
+	private _modelBuilder: ModelBuilderImpl;
 
 	constructor(
 		private readonly _proxy: MainThreadModelViewShape,
@@ -264,6 +335,10 @@ class ModelViewImpl implements sqlops.ModelView {
 		return this._modelBuilder;
 	}
 
+	public handleEvent(componentId: string, eventArgs: IComponentEventArgs): void {
+		this._modelBuilder.handleEvent(componentId, eventArgs);
+	}
+
 	public initializeModel<T extends sqlops.Component>(component: T): Thenable<void> {
 		let componentImpl = <any>component as ComponentWrapper;
 		if (!componentImpl) {
@@ -301,4 +376,11 @@ export class ExtHostModelView implements ExtHostModelViewShape {
 		this._modelViews.set(handle, view);
 		this._handlers.get(id)(view);
 	}
+
+	$handleEvent(handle: number, componentId: string, eventArgs: IComponentEventArgs): void {
+		const view = this._modelViews.get(handle);
+		if (view) {
+			view.handleEvent(componentId, eventArgs);
+		}
+	}
 }