menu mess

frontend/src/lib/stores/sharedstate.js

@@ -0,0 +1,16 @@
+import { ReportSharedStateVariable } from '$wails/go/app/App';
+import { writable } from 'svelte/store';
+
+function sharedStateStore(name) {
+  const { set, subscribe } = writable();
+  subscribe(newValue => ReportSharedStateVariable(name, newValue));
+  return { set, subscribe };
+}
+
+const sharedState = {
+  currentHost: sharedStateStore('currenthost'),
+  currentDb: sharedStateStore('currentdb'),
+  currentColl: sharedStateStore('currentcoll'),
+};
+
+export default sharedState;

frontend/src/organisms/connection/index.svelte

@@ -9,6 +9,7 @@
   import DumpInfo from './dump.svelte';
   import HostDetail from './hostdetail.svelte';
   import HostTree from './hosttree.svelte';
+  import sharedState from '$lib/stores/sharedstate';
 
   export let hosts = {};
   export let activeHostKey = '';
@@ -20,6 +21,10 @@
   let hostDetailKey = '';
   let exportInfo;
 
+  $: sharedState.currentHost.set(activeHostKey);
+  $: sharedState.currentDb.set(activeDbKey);
+  $: sharedState.currentColl.set(activeCollKey);
+
   async function getHosts() {
     hosts = await Hosts();
   }

frontend/wailsjs/go/app/App.d.ts

@@ -55,6 +55,8 @@ export function RemoveView(arg1:string):Promise<void>;
 
 export function RenameCollection(arg1:string,arg2:string,arg3:string,arg4:string):Promise<boolean>;
 
+export function ReportSharedStateVariable(arg1:string,arg2:string):Promise<void>;
+
 export function SaveQuery(arg1:string):Promise<string>;
 
 export function SavedQueries():Promise<map[string]app.SavedQuery>;

frontend/wailsjs/go/app/App.js

@@ -98,6 +98,10 @@ export function RenameCollection(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['RenameCollection'](arg1, arg2, arg3, arg4);
 }
 
+export function ReportSharedStateVariable(arg1, arg2) {
+  return window['go']['app']['App']['ReportSharedStateVariable'](arg1, arg2);
+}
+
 export function SaveQuery(arg1) {
   return window['go']['app']['App']['SaveQuery'](arg1);
 }

internal/app/app.go

@@ -3,6 +3,7 @@ package app
 import (
 	"context"
 	"errors"
+	"fmt"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -10,8 +11,6 @@ import (
 
 	"github.com/garraflavatra/rolens/internal/ui"
 	"github.com/ncruces/zenity"
-	"github.com/wailsapp/wails/v2/pkg/menu"
-	"github.com/wailsapp/wails/v2/pkg/menu/keys"
 	wailsRuntime "github.com/wailsapp/wails/v2/pkg/runtime"
 )
 
@@ -29,13 +28,16 @@ type EnvironmentInfo struct {
 }
 
 type App struct {
-	ctx context.Context
+	Env   EnvironmentInfo
-	ui  *ui.UI
+	State map[string]string
-	Env EnvironmentInfo
+	ctx   context.Context
+	ui    *ui.UI
 }
 
 func NewApp() *App {
-	a := &App{}
+	a := &App{
+		State: make(map[string]string),
+	}
 
 	_, err := exec.LookPath("mongodump")
 	a.Env.HasMongoDump = err == nil
@@ -71,7 +73,7 @@ func NewApp() *App {
 func (a *App) Startup(ctx context.Context, ui *ui.UI) {
 	a.ctx = ctx
 	a.ui = ui
-	wailsRuntime.LogInfo(a.ctx, "Startup")
+	wailsRuntime.LogInfo(a.ctx, "Runcycle: Startup")
 
 	wailsEnv := wailsRuntime.Environment(a.ctx)
 	a.Env.Arch = wailsEnv.Arch
@@ -80,7 +82,7 @@ func (a *App) Startup(ctx context.Context, ui *ui.UI) {
 }
 
 func (a *App) Shutdown(ctx context.Context) {
-	wailsRuntime.LogInfo(a.ctx, "Shutdown")
+	wailsRuntime.LogInfo(a.ctx, "Runcycle: Shutdown")
 }
 
 func (a *App) Environment() EnvironmentInfo {
@@ -101,47 +103,7 @@ func (a *App) PurgeLogDirectory() {
 	}
 }
 
-func menuEventEmitter(a *App, eventName string, data ...interface{}) func(cd *menu.CallbackData) {
+func (a *App) ReportSharedStateVariable(key, value string) {
-	return func(cd *menu.CallbackData) {
+	a.State[key] = value
-		wailsRuntime.EventsEmit(a.ctx, eventName, data...)
+	wailsRuntime.LogDebug(a.ctx, fmt.Sprintf("State has been reported: %s=\"%s\"", key, value))
-	}
-}
-
-func (a *App) Menu() *menu.Menu {
-	appMenu := menu.NewMenu()
-
-	aboutMenu := appMenu.AddSubmenu("About")
-	aboutMenu.AddText("About…", nil, menuEventEmitter(a, "OpenAboutModal"))
-	aboutMenu.AddText("Prefrences…", keys.CmdOrCtrl(","), menuEventEmitter(a, "OpenPrefrences"))
-	aboutMenu.AddText("Open data directory…", nil, func(cd *menu.CallbackData) { a.ui.Reveal(a.Env.DataDirectory) })
-	aboutMenu.AddSeparator()
-	aboutMenu.AddText("Open log directory…", nil, func(cd *menu.CallbackData) { a.ui.Reveal(a.Env.LogDirectory) })
-	aboutMenu.AddText("Purge logs", nil, func(cd *menu.CallbackData) { a.PurgeLogDirectory() })
-	aboutMenu.AddSeparator()
-	aboutMenu.AddText("Quit", keys.CmdOrCtrl("q"), func(cd *menu.CallbackData) { wailsRuntime.Quit(a.ctx) })
-
-	if runtime.GOOS == "darwin" {
-		appMenu.Append(menu.EditMenu())
-	}
-
-	hostMenu := appMenu.AddSubmenu("Host")
-	hostMenu.AddText("New host", keys.CmdOrCtrl("y"), menuEventEmitter(a, "CreateHost"))
-
-	databaseMenu := appMenu.AddSubmenu("Database")
-	databaseMenu.AddText("New database", keys.CmdOrCtrl("u"), menuEventEmitter(a, "CreateDatabase"))
-
-	collectionMenu := appMenu.AddSubmenu("Collection")
-	collectionMenu.AddText("New collection", keys.CmdOrCtrl("i"), menuEventEmitter(a, "CreateCollection"))
-	collectionMenu.AddSeparator()
-	collectionMenu.AddText("Stats", keys.Combo("h", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "stats"))
-	collectionMenu.AddText("Find", keys.Combo("f", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "find"))
-	collectionMenu.AddText("Insert", keys.Combo("i", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "insert"))
-	collectionMenu.AddText("Update", keys.Combo("u", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "update"))
-	collectionMenu.AddText("Remove", keys.Combo("r", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "remove"))
-	collectionMenu.AddText("Indexes", keys.Combo("x", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "indexes"))
-
-	helpMenu := appMenu.AddSubmenu("Help")
-	helpMenu.AddText("User guide", nil, func(cd *menu.CallbackData) { wailsRuntime.BrowserOpenURL(a.ctx, "") })
-
-	return appMenu
 }

internal/app/app_menu.go

@@ -0,0 +1,60 @@
+package app
+
+import (
+	"runtime"
+
+	"github.com/wailsapp/wails/v2/pkg/menu"
+	"github.com/wailsapp/wails/v2/pkg/menu/keys"
+	wailsRuntime "github.com/wailsapp/wails/v2/pkg/runtime"
+)
+
+func menuEventEmitter(a *App, eventName string, data ...interface{}) func(cd *menu.CallbackData) {
+	return func(cd *menu.CallbackData) {
+		wailsRuntime.EventsEmit(a.ctx, eventName, data...)
+	}
+}
+
+func (a *App) Menu() *menu.Menu {
+	appMenu := menu.NewMenu()
+
+	aboutMenu := appMenu.AddSubmenu("File")
+	aboutMenu.AddText("About Rolens", nil, menuEventEmitter(a, "OpenAboutModal"))
+	aboutMenu.AddSeparator()
+	aboutMenu.AddText("Prefrences…", keys.CmdOrCtrl(","), menuEventEmitter(a, "OpenPrefrences"))
+	aboutMenu.AddSeparator()
+	aboutMenu.AddText("Open data directory…", nil, func(cd *menu.CallbackData) { a.ui.Reveal(a.Env.DataDirectory) })
+	aboutMenu.AddText("Open log directory…", nil, func(cd *menu.CallbackData) { a.ui.Reveal(a.Env.LogDirectory) })
+	aboutMenu.AddText("Purge logs", nil, func(cd *menu.CallbackData) { a.PurgeLogDirectory() })
+	aboutMenu.AddSeparator()
+	aboutMenu.AddText("Quit Rolens", keys.CmdOrCtrl("q"), func(cd *menu.CallbackData) { wailsRuntime.Quit(a.ctx) })
+
+	if runtime.GOOS == "darwin" {
+		appMenu.Append(menu.EditMenu())
+	}
+
+	hostMenu := appMenu.AddSubmenu("Host")
+	hostMenu.AddText("New host…", keys.CmdOrCtrl("y"), menuEventEmitter(a, "CreateHost"))
+
+	databaseMenu := appMenu.AddSubmenu("Database")
+	databaseMenu.Append(&menu.MenuItem{
+		Label:       "New database…",
+		Accelerator: keys.CmdOrCtrl("u"),
+		Click:       menuEventEmitter(a, "CreateDatabase"),
+		Disabled:    a.State["currenthost"] == "",
+	})
+
+	collectionMenu := appMenu.AddSubmenu("Collection")
+	collectionMenu.AddText("New collection…", keys.CmdOrCtrl("i"), menuEventEmitter(a, "CreateCollection"))
+	collectionMenu.AddSeparator()
+	collectionMenu.AddText("Stats", keys.Combo("h", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "stats"))
+	collectionMenu.AddText("Find", keys.Combo("f", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "find"))
+	collectionMenu.AddText("Insert", keys.Combo("i", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "insert"))
+	collectionMenu.AddText("Update", keys.Combo("u", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "update"))
+	collectionMenu.AddText("Remove", keys.Combo("r", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "remove"))
+	collectionMenu.AddText("Indexes", keys.Combo("x", keys.CmdOrCtrlKey, keys.OptionOrAltKey), menuEventEmitter(a, "OpenCollectionTab", "indexes"))
+
+	helpMenu := appMenu.AddSubmenu("Help")
+	helpMenu.AddText("User guide", nil, func(cd *menu.CallbackData) { wailsRuntime.BrowserOpenURL(a.ctx, "") })
+
+	return appMenu
+}

main.go

@@ -7,11 +7,13 @@ import (
 
 	"github.com/garraflavatra/rolens/internal/app"
 	uictrl "github.com/garraflavatra/rolens/internal/ui"
+	"github.com/ncruces/zenity"
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/logger"
 	"github.com/wailsapp/wails/v2/pkg/options"
 	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
 	"github.com/wailsapp/wails/v2/pkg/options/mac"
+	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
 
 var (
@@ -40,8 +42,15 @@ func main() {
 		AssetServer:      &assetserver.Options{Assets: assets},
 
 		OnStartup: func(ctx context.Context) {
-			app.Startup(ctx, ui)
+			defer func() {
+				if p := recover(); p != nil {
+					runtime.LogFatalf(ctx, "Application panicked: %v", p)
+					zenity.Error("A fatal error occured.")
+				}
+			}()
+
 			ui.Startup(ctx)
+			app.Startup(ctx, ui)
 		},
 		OnShutdown: app.Shutdown,