From 50239c5756ab431003567d7efcdfd54804df6a57 Mon Sep 17 00:00:00 2001
From: Silvano Cerza <silvanocerza@gmail.com>
Date: Thu, 10 Mar 2022 16:19:25 +0100
Subject: [PATCH] Add generic monitor settings storaging

---
 .../src/browser/monitor-model.ts              | 134 ++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 arduino-ide-extension/src/browser/monitor-model.ts

diff --git a/arduino-ide-extension/src/browser/monitor-model.ts b/arduino-ide-extension/src/browser/monitor-model.ts
new file mode 100644
index 00000000..5082e98a
--- /dev/null
+++ b/arduino-ide-extension/src/browser/monitor-model.ts
@@ -0,0 +1,134 @@
+import { Emitter, Event } from "@theia/core";
+import { FrontendApplicationContribution, LocalStorageService } from "@theia/core/lib/browser";
+import { inject, injectable } from "@theia/core/shared/inversify";
+
+@injectable()
+export class MonitorModel implements FrontendApplicationContribution {
+    protected static STORAGE_ID = 'arduino-monitor-model';
+
+    @inject(LocalStorageService)
+    protected readonly localStorageService: LocalStorageService;
+
+    protected readonly onChangeEmitter: Emitter<MonitorModel.State.Change<keyof MonitorModel.State>>;
+
+    protected _autoscroll: boolean;
+    protected _timestamp: boolean;
+    protected _lineEnding: MonitorModel.EOL;
+    protected _interpolate: boolean;
+
+    constructor() {
+        this._autoscroll = true;
+        this._timestamp = false;
+        this._interpolate = false;
+        this._lineEnding = MonitorModel.EOL.DEFAULT;
+
+        this.onChangeEmitter = new Emitter<
+            MonitorModel.State.Change<keyof MonitorModel.State>
+        >();
+    }
+
+    onStart(): void {
+        this.localStorageService
+            .getData<MonitorModel.State>(MonitorModel.STORAGE_ID)
+            .then(this.restoreState);
+    }
+
+    get onChange(): Event<MonitorModel.State.Change<keyof MonitorModel.State>> {
+        return this.onChangeEmitter.event;
+    }
+
+    protected restoreState(state: MonitorModel.State): void {
+        if (!state) {
+            return;
+        }
+        this._autoscroll = state.autoscroll;
+        this._timestamp = state.timestamp;
+        this._lineEnding = state.lineEnding;
+        this._interpolate = state.interpolate;
+    }
+
+    protected async storeState(): Promise<void> {
+        return this.localStorageService.setData(MonitorModel.STORAGE_ID, {
+            autoscroll: this._autoscroll,
+            timestamp: this._timestamp,
+            lineEnding: this._lineEnding,
+            interpolate: this._interpolate,
+        });
+    }
+
+    get autoscroll(): boolean {
+        return this._autoscroll;
+    }
+
+    toggleAutoscroll(): void {
+        this._autoscroll = !this._autoscroll;
+        this.storeState().then(() => {
+            this.onChangeEmitter.fire({
+                property: 'autoscroll',
+                value: this._timestamp
+            });
+        });
+    }
+
+    get timestamp(): boolean {
+        return this._timestamp;
+    }
+
+    toggleTimestamp(): void {
+        this._timestamp = !this._timestamp;
+        this.storeState().then(() =>
+            this.onChangeEmitter.fire({
+                property: 'timestamp',
+                value: this._timestamp,
+            })
+        );
+    }
+
+    get lineEnding(): MonitorModel.EOL {
+        return this._lineEnding;
+    }
+
+    set lineEnding(lineEnding: MonitorModel.EOL) {
+        this._lineEnding = lineEnding;
+        this.storeState().then(() =>
+            this.onChangeEmitter.fire({
+                property: 'lineEnding',
+                value: this._lineEnding,
+            })
+        );
+    }
+
+    get interpolate(): boolean {
+        return this._interpolate;
+    }
+
+    set interpolate(i: boolean) {
+        this._interpolate = i;
+        this.storeState().then(() =>
+            this.onChangeEmitter.fire({
+                property: 'interpolate',
+                value: this._interpolate,
+            })
+        );
+    }
+}
+
+export namespace MonitorModel {
+    export interface State {
+        autoscroll: boolean;
+        timestamp: boolean;
+        lineEnding: EOL;
+        interpolate: boolean;
+    }
+    export namespace State {
+        export interface Change<K extends keyof State> {
+            readonly property: K;
+            readonly value: State[K];
+        }
+    }
+
+    export type EOL = '' | '\n' | '\r' | '\r\n';
+    export namespace EOL {
+        export const DEFAULT: EOL = '\n';
+    }
+}