Improve additionalUrls settings UI

Author: benmcmorran

package.json

@@ -482,11 +482,9 @@
           "description": "Path to a script relative to 'arduino.path', you can use a custom launch script to run Arduino by modifying this setting. Example: 'run-arduino.bat' for Windows, 'Contents/MacOS/run-arduino.sh' for Mac, 'bin/run-arduino.sh' for Linux. (Requires a restart after change)"
         },
         "arduino.additionalUrls": {
-          "type": [
-            "string",
-            "array"
-          ],
-          "description": "Additional URLs for 3-rd party packages. You can have multiple URLs in one string with comma(,) as separator, or have a string array."
+          "type": "array",
+          "items": { "type": "string" },
+          "description": "Additional URLs for 3rd party packages."
         },
         "arduino.logLevel": {
           "type": "string",

src/arduino/arduinoContentProvider.ts

@@ -155,11 +155,19 @@ export class ArduinoContentProvider implements vscode.TextDocumentContentProvide
         }
     }
 
-    public openSettings(req, res) {
-        vscode.commands.executeCommand("workbench.action.openGlobalSettings");
-        return res.json({
-            status: "OK",
-        });
+    public async openSettings(req, res) {
+        if (!req.body.query) {
+            return res.status(400).send("BAD Request! Missing { query } parameter!");
+        } else {
+            try {
+                await vscode.commands.executeCommand("workbench.action.openGlobalSettings", { query: req.body.query });
+                return res.json({
+                    status: "OK",
+                });
+            } catch (error) {
+                return res.status(500).send(`Cannot open the setting with error message "${error}"`);
+            }
+        }
     }
 
     public async getLibraries(req, res) {

src/arduino/boardManager.ts

@@ -518,26 +518,12 @@ export class BoardManager {
     }
 
     private getAdditionalUrls(): string[] {
-        function formatUrls(urls): string[] {
-            if (urls) {
-                let _urls: string[];
-
-                if (!Array.isArray(urls) && typeof urls === "string") {
-                    _urls = (<string>urls).split(",");
-                } else {
-                    _urls = <string[]>urls;
-                }
-
-                return util.trim(_urls);
-            }
-            return [];
-        }
         // For better compatibility, merge urls both in user settings and arduino IDE preferences.
-        const settingsUrls = formatUrls(VscodeSettings.getInstance().additionalUrls);
+        const settingsUrls = VscodeSettings.getInstance().additionalUrls;
         let preferencesUrls = [];
         const preferences = this._settings.preferences;
         if (preferences && preferences.has("boardsmanager.additional.urls")) {
-            preferencesUrls = formatUrls(preferences.get("boardsmanager.additional.urls"));
+            preferencesUrls = util.toStringArray(preferences.get("boardsmanager.additional.urls"));
         }
         return util.union(settingsUrls, preferencesUrls);
     }

src/arduino/vscodeSettings.ts

@@ -2,6 +2,7 @@
 // Licensed under the MIT license.
 
 import * as vscode from "vscode";
+import { toStringArray } from "../common/util";
 
 const configKeys = {
     ARDUINO_PATH: "arduino.path",
@@ -23,7 +24,7 @@ const configKeys = {
 export interface IVscodeSettings {
     arduinoPath: string;
     commandPath: string;
-    additionalUrls: string | string[];
+    additionalUrls: string[];
     logLevel: string;
     clearOutputOnBuild: boolean;
     allowPDEFiletype: boolean;
@@ -34,7 +35,7 @@ export interface IVscodeSettings {
     defaultBaudRate: number;
     useArduinoCli: boolean;
     disableIntelliSenseAutoGen: boolean;
-    updateAdditionalUrls(urls: string | string[]): void;
+    updateAdditionalUrls(urls: string[]): void;
 }
 
 export class VscodeSettings implements IVscodeSettings {
@@ -57,8 +58,20 @@ export class VscodeSettings implements IVscodeSettings {
         return this.getConfigValue<string>(configKeys.ARDUINO_COMMAND_PATH);
     }
 
-    public get additionalUrls(): string | string[] {
-        return this.getConfigValue<string | string[]>(configKeys.ADDITIONAL_URLS);
+    public get additionalUrls(): string[] {
+        const value = this.getConfigValue<string | string[]>(configKeys.ADDITIONAL_URLS);
+        
+        // Even though the schema says value must be a string array, version
+        // 0.4.9 and earlier also allowed a single comma delimeted string. We
+        // continue to unofficially support that format to avoid breaking
+        // existing settings, but we immediately write back the correctly
+        // formatted version.
+        const split = toStringArray(value);
+        if (typeof value === 'string') {
+            this.updateAdditionalUrls(split);
+        }
+
+        return split;
     }
 
     public get logLevel(): string {

src/common/util.ts

@@ -446,3 +446,25 @@ export function resolveMacArduinoAppPath(arduinoPath: string, useArduinoCli = fa
         return path.join(arduinoPath, "Arduino.app");
     }
 }
+
+/**
+ * If given an string, splits the string on commas. If given an array, returns
+ * the array. All strings in the output are trimmed.
+ * @param value String or string array to convert.
+ * @returns Array of strings split from the input.
+ */
+export function toStringArray(value: string | string[]): string[] {
+    if (value) {
+        let result: string[];
+
+        if (typeof value === "string") {
+            result = value.split(",");
+        } else {
+            result = <string[]>value;
+        }
+
+        return trim(result);
+    }
+
+    return [];
+}

src/views/app/actions/api.ts

@@ -37,8 +37,10 @@ export function openLink(link) {
     }).then((response) => response.json());
 }
 
-export function openSettings() {
-    return postHTTP("/api/opensettings", {}).then((response) => response.json());
+export function openSettings(query) {
+    return postHTTP("/api/opensettings", {
+        query
+    }).then((response) => response.json());
 }
 
 export function getLibraries(update) {

src/views/app/components/BoardManager.tsx

@@ -141,7 +141,7 @@ class BoardManager extends React.Component<IBoardManagerProps, IBoardManagerStat
                 <div className="arduinomanager-footer theme-bgcolor">
                     <span>{totalCountTips}</span>
                     <a className="help-link right-side" title="Configure Additional Boards Manager URLs"
-                        onClick={() => API.openSettings()}>Additional URLs</a>
+                        onClick={() => API.openSettings("arduino.additionalUrls")}>Additional URLs</a>
                 </div>
 
             </div>);