Open browser when starting server with --webui

Close #15

src/webui/assets/md-uploader.js

@@ -357,7 +357,7 @@ class App {
                 const aside = document.createElement("div");
                 aside.classList.add("sec-aside");
 
-                aside.appendChild(this.generateTextElement("h3", this.tls.parser));
+                aside.appendChild(this.generateTextElement("h3", this.tls.parser + ": " + parser.title));
                 const div = document.createElement("div");
                 div.classList.add("parser-desc");
 

src/webui/server.go

@@ -4,12 +4,35 @@ import (
     "fmt"
 	"log"
 	"net/http"
+    "os/exec"
+    "runtime"
     "gitea.armuli.eu/museum-digital/museum-digital-webdav-uploader/src/configloader"
 )
 
 var config configloader.MDWebDavUploaderConfig
 var setupRequired bool
 
+// Opens the application in the default browser.
+func openInBrowser(port string) {
+
+	var err error
+    target := "localhost:" + port
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", target).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", target).Start()
+	case "darwin":
+		err = exec.Command("open", target).Start()
+	default:
+		err = fmt.Errorf("unsupported platform")
+	}
+	if err != nil {
+		fmt.Println(err)
+	}
+
+}
+
 // Sets up the server and manages routing.
 func Run() {
 
@@ -29,12 +52,19 @@ func Run() {
 	http.HandleFunc("/logo.svg", serveLogo)              // Logo.
 
     port := "8080"
+    go func() {
 
-	// Set port to listen on
-    fmt.Println("Server started at port " + string(port))
-	err := http.ListenAndServe(":"+port, nil)
-	if err != nil {
-		log.Fatal("ListenAndServe: ", err)
-	}
+        // Set port to listen on
+        fmt.Println("Server started at port " + string(port))
+        err := http.ListenAndServe(":"+port, nil)
+        if err != nil {
+            log.Fatal("ListenAndServe: ", err)
+        }
+
+    }();
+    go func() {
+        openInBrowser(port)
+    }();
+    select {}
 
 }