Updated Dialog Examples

v2/test/kitchensink/frontend/src/pages/Dialog/Open/code.go

@@ -1,11 +1,40 @@
 package main
 
-import wails "github.com/wailsapp/wails/v2"
+import (
+	"io/ioutil"
 
-type MyStruct struct {
+	wails "github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/options"
+)
+
+type Notepad struct {
 	runtime *wails.Runtime
 }
 
-func (l *MyStruct) ShowHelp() {
-	l.runtime.Browser.Open("https://www.youtube.com/watch?v=dQw4w9WgXcQ")
+func (n *Notepad) WailsInit(runtime *wails.Runtime) error {
+	n.runtime = runtime
+	return nil
+}
+
+func (n *Notepad) LoadNotes() (string, error) {
+
+	selectedFiles := n.runtime.Dialog.Open(&options.OpenDialog{
+		DefaultFilename: "notes.md",
+		Filters:         "*.md",
+		AllowFiles:      true,
+	})
+
+	// selectedFiles is a string slice. Get the first selection
+	if len(selectedFiles) == 0 {
+		// Cancelled
+		return "", nil
+	}
+
+	// Load notes
+	noteData, err := ioutil.ReadFile(selectedFiles[0])
+	if err != nil {
+		return "", err
+	}
+
+	return string(noteData), nil
 }

v2/test/kitchensink/frontend/src/pages/Dialog/Open/code.jsx

@@ -1,17 +1,25 @@
-import { Log } from '@wails/runtime';
+import { Dialog } from '@wails/runtime';
 
-function doSomeOperation() {
-  // Do things
-  let value = doSomething();
-  Log.Print("A raw message");
-  Log.Trace("I got: " + value);
-  Log.Debug("A debug message");
-  Log.Info("An Info message");
-  Log.Warning("A Warning message");
-  Log.Error("An Error message");
+let notes = "";
+
+function loadNotes() {
+  // Prompt the user to select a single file
+  let filename = Dialog.Open({
+    "DefaultFilename": "notes.md",
+    "Filters": "*.md",
+    "AllowFiles": true,
+  });
+
+  // Do something with the file
+  backend.main.LoadNotes(filename).then( (result) => {
+    if (result.length == 0) {
+      // Cancelled
+      return
+    }
+    // We only prompted for a single file
+    notes = result[0];
+  }).catch( (err) => {
+    // Show an alert
+    showAlert(err);
+  })
 }
-
-function abort() {
-  // Do some things
-  Log.Fatal("I accidentally the whole application!");
-}

v2/test/kitchensink/frontend/src/pages/Dialog/Save/code.go

@@ -1,11 +1,42 @@
 package main
 
-import wails "github.com/wailsapp/wails/v2"
+import (
+	"io/ioutil"
 
-type MyStruct struct {
+	wails "github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/options"
+)
+
+type Notepad struct {
 	runtime *wails.Runtime
 }
 
-func (l *MyStruct) ShowHelp() {
-	l.runtime.Browser.Open("https://www.youtube.com/watch?v=dQw4w9WgXcQ")
+func (n *Notepad) WailsInit(runtime *wails.Runtime) error {
+	n.runtime = runtime
+	return nil
+}
+
+// SaveNotes attempts to save the given notes to disk.
+// Returns false if the user cancelled the save, true on
+// successful save.
+func (n *Notepad) SaveNotes(notes string) (bool, error) {
+
+	selectedFile := n.runtime.Dialog.Save(&options.SaveDialog{
+		DefaultFilename: "notes.md",
+		Filters:         "*.md",
+	})
+
+	// Check if the user pressed cancel
+	if selectedFile == "" {
+		// Cancelled
+		return false, nil
+	}
+
+	// Save notes
+	err := ioutil.WriteFile(selectedFile, []byte(notes), 0700)
+	if err != nil {
+		return false, err
+	}
+
+	return true, nil
 }

v2/test/kitchensink/frontend/src/pages/Dialog/Save/code.jsx

@@ -1,17 +1,23 @@
-import { Log } from '@wails/runtime';
+import { Dialog } from '@wails/runtime';
 
-function doSomeOperation() {
-  // Do things
-  let value = doSomething();
-  Log.Print("A raw message");
-  Log.Trace("I got: " + value);
-  Log.Debug("A debug message");
-  Log.Info("An Info message");
-  Log.Warning("A Warning message");
-  Log.Error("An Error message");
+let notes = "";
+
+function saveNotes() {
+  // Prompt the user to select a single file
+  let filename = Dialog.Save({
+    "DefaultFilename": "notes.md",
+    "Filters": "*.md",
+  });
+
+  // Do something with the file
+  backend.main.SaveNotes(filename, notes).then( (result) => {
+    if ( !result ) {
+      // Cancelled
+      return
+    }
+    showMessage('Notes saved!');
+  }).catch( (err) => {
+    // Show an alert
+    showAlert(err);
+  })
 }
-
-function abort() {
-  // Do some things
-  Log.Fatal("I accidentally the whole application!");
-}