Add alert dialog when cancel with empty fields

src/ui/sheet_edit_dialog.rs

@@ -2,10 +2,11 @@ use std::{borrow::BorrowMut, sync::Arc};
 
 use gtk::prelude::*;
 use relm4::{
-    component::{AsyncComponent, AsyncComponentParts},
+    component::{AsyncComponent, AsyncComponentParts, Connector},
     prelude::*,
     AsyncComponentSender,
 };
+use relm4_components::alert::{Alert, AlertMsg, AlertSettings};
 
 use crate::{database::Database, sheet::Sheet, sheet_dao};
 
@@ -17,6 +18,7 @@ pub struct SheetEditDialogModel {
     sheet_composer: String,
     is_book: bool,
     book_sheets: Vec<(String, String, i64)>,
+    alert_empty_fields: Connector<Alert>,
 }
 
 pub struct SheetEditDialogInit {
@@ -155,6 +157,15 @@ impl AsyncComponent for SheetEditDialogModel {
             sheet_composer,
             is_book,
             book_sheets: Vec::new(),
+            alert_empty_fields: Alert::builder().transient_for(&root).launch(AlertSettings {
+                text: String::from("Missing input"),
+                secondary_text: Some(String::from("Please make sure all fields are filled")),
+                is_modal: true,
+                destructive_accept: false,
+                confirm_label: String::from("Ok"),
+                cancel_label: String::from("Cancel"),
+                option_label: None,
+            }),
         };
         let widgets = view_output!();
 
@@ -167,13 +178,15 @@ impl AsyncComponent for SheetEditDialogModel {
         &mut self,
         msg: Self::Input,
         sender: AsyncComponentSender<Self>,
-        _root: &Self::Root,
+        root: &Self::Root,
     ) {
         match msg {
             SheetEditDialogInput::Accept => {
-                self.hidden = true;
+                if let Some(sheet) = self.sheet.take() {
-
+                    if self.sheet_name.is_empty() || self.sheet_composer.is_empty() {
-                if let Some(mut sheet) = self.sheet.take() {
+                        self.alert_empty_fields.emit(AlertMsg::Show);
+                        return;
+                    }
                     //     match sheet.kind.borrow_mut() {
                     //         crate::sheet::SheetKind::Sheet {
                     //             name,
@@ -199,6 +212,7 @@ impl AsyncComponent for SheetEditDialogModel {
                         .output(SheetEditDialogOutput::SheetEdited(sheet))
                         .unwrap();
                 }
+                self.hidden = true;
             }
             SheetEditDialogInput::Cancel => {
                 self.hidden = true;