Implemented the board discovery with polling.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

arduino-ide-extension/src/browser/boards/boards-config-dialog.ts

@@ -0,0 +1,113 @@
+import { injectable, inject, postConstruct } from 'inversify';
+import { Message } from '@phosphor/messaging';
+import { AbstractDialog, DialogProps, Widget, DialogError } from '@theia/core/lib/browser';
+import { BoardsService } from '../../common/protocol/boards-service';
+import { BoardsConfig } from './boards-config';
+import { BoardsConfigDialogWidget } from './boards-config-dialog-widget';
+import { BoardsServiceClientImpl } from './boards-service-client-impl';
+
+@injectable()
+export class BoardsConfigDialogProps extends DialogProps {
+}
+
+@injectable()
+export class BoardsConfigDialog extends AbstractDialog<BoardsConfig.Config> {
+
+    @inject(BoardsConfigDialogWidget)
+    protected readonly widget: BoardsConfigDialogWidget;
+
+    @inject(BoardsService)
+    protected readonly boardService: BoardsService;
+
+    @inject(BoardsServiceClientImpl)
+    protected readonly boardsServiceClient: BoardsServiceClientImpl;
+
+    protected config: BoardsConfig.Config = {};
+
+    constructor(@inject(BoardsConfigDialogProps) protected readonly props: BoardsConfigDialogProps) {
+        super(props);
+
+        this.contentNode.classList.add('select-board-dialog');
+        this.contentNode.appendChild(this.createDescription());
+
+        this.appendCloseButton('CANCEL');
+        this.appendAcceptButton('OK');
+    }
+
+    @postConstruct()
+    protected init(): void {
+        this.toDispose.push(this.boardsServiceClient.onBoardsConfigChanged(config => {
+            this.config = config;
+            this.update();
+        }));
+    }
+
+    protected createDescription(): HTMLElement {
+        const head = document.createElement('div');
+        head.classList.add('head');
+
+        const title = document.createElement('div');
+        title.textContent = 'Select Other Board & Port';
+        title.classList.add('title');
+        head.appendChild(title);
+
+        const text = document.createElement('div');
+        text.classList.add('text');
+        head.appendChild(text);
+
+        for (const paragraph of [
+            'Select both a Board and a Port if you want to upload a sketch.',
+            'If you only select a Board you will be able just to compile, but not to upload your sketch.'
+        ]) {
+            const p = document.createElement('p');
+            p.textContent = paragraph;
+            text.appendChild(p);
+        }
+
+        return head;
+    }
+
+    protected onAfterAttach(msg: Message): void {
+        if (this.widget.isAttached) {
+            Widget.detach(this.widget);
+        }
+        Widget.attach(this.widget, this.contentNode);
+        this.toDisposeOnDetach.push(this.widget.onBoardConfigChanged(config => {
+            this.config = config;
+            this.update();
+        }));
+        super.onAfterAttach(msg);
+        this.update();
+    }
+
+    protected onUpdateRequest(msg: Message) {
+        super.onUpdateRequest(msg);
+        this.widget.update();
+    }
+
+    protected onActivateRequest(msg: Message): void {
+        super.onActivateRequest(msg);
+        this.widget.activate();
+    }
+
+    protected handleEnter(event: KeyboardEvent): boolean | void {
+        if (event.target instanceof HTMLTextAreaElement) {
+            return false;
+        }
+    }
+
+    protected isValid(value: BoardsConfig.Config): DialogError {
+        if (!value.selectedBoard) {
+            if (value.selectedPort) {
+                return 'Please pick a board connected to the port you have selected.';
+            }
+            return false;
+        }
+        return '';
+    }
+
+    get value(): BoardsConfig.Config {
+        return this.config;
+    }
+
+}