From 858c327a8f23fa78fed9b061481d248ba75e34df Mon Sep 17 00:00:00 2001
From: Lukas Jung <lukas.jung@slint-ui.com>
Date: Mon, 14 Mar 2022 09:59:10 +0100
Subject: [PATCH] implement update and delete for crud example

---
 examples/7guis/crud/crud.slint | 14 ++++++++++--
 examples/7guis/crud/main.rs    | 41 +++++++++++++++++++++++++++++-----
 2 files changed, 47 insertions(+), 8 deletions(-)

diff --git a/examples/7guis/crud/crud.slint b/examples/7guis/crud/crud.slint
index 37c49200c..a4f5c2a44 100644
--- a/examples/7guis/crud/crud.slint
+++ b/examples/7guis/crud/crud.slint
@@ -7,9 +7,12 @@ MainWindow := Window {
 
     GridBox {
         Text { text: "Filter prefix:"; }
-        LineEdit {}
+        LineEdit {
+            text <=> root.prefix;
+            edited => { root.prefexEdited() }
+        }
 
-        StandardListView {
+        list := StandardListView {
             row: 1;
             rowspan: 3;
             colspan: 2;
@@ -30,19 +33,26 @@ MainWindow := Window {
             }
             Button {
                 text: "Update";
+                enabled: list.current-item != -1;
                 clicked => { root.updateClicked() }
             }
             Button {
                 text: "Delete";
+                enabled: list.current-item != -1;
                 clicked => { root.deleteClicked() }
             }
         }
 
     }
     property <[StandardListViewItem]> names-list;
+    property <int> current-item: list.current-item;
+
     property <string> name;
     property <string> surname;
 
+    property <string> prefix;
+
+    callback prefexEdited();
     callback createClicked();
     callback updateClicked();
     callback deleteClicked();
diff --git a/examples/7guis/crud/main.rs b/examples/7guis/crud/main.rs
index 771087c33..38ee17007 100644
--- a/examples/7guis/crud/main.rs
+++ b/examples/7guis/crud/main.rs
@@ -1,5 +1,6 @@
 // Copyright © SixtyFPS GmbH <info@slint-ui.com>
 // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial
+use slint::Model;
 use std::rc::Rc;
 
 slint::slint!(import { MainWindow } from "crud.slint";);
@@ -14,11 +15,39 @@ pub fn main() {
     ]));
     main_window.set_names_list(model.clone().into());
 
-    let main_window_weak = main_window.as_weak();
-    main_window.on_createClicked(move || {
-        let main_window = main_window_weak.unwrap();
-        let new_entry = main_window.get_surname() + ", " + main_window.get_name().as_str();
-        model.push(new_entry.into());
-    });
+    {
+        let main_window_weak = main_window.as_weak();
+        let model = model.clone();
+        main_window.on_createClicked(move || {
+            let main_window = main_window_weak.unwrap();
+            let new_entry = main_window.get_surname() + ", " + main_window.get_name().as_str();
+
+            model.push(new_entry.into());
+        });
+    }
+
+    {
+        let main_window_weak = main_window.as_weak();
+        let model = model.clone();
+        main_window.on_updateClicked(move || {
+            let main_window = main_window_weak.unwrap();
+            let index = main_window.get_current_item() as usize;
+            let entry = main_window.get_surname() + ", " + main_window.get_name().as_str();
+
+            model.set_row_data(index, entry.into());
+        });
+    }
+
+    {
+        let main_window_weak = main_window.as_weak();
+        let model = model.clone();
+        main_window.on_deleteClicked(move || {
+            let main_window = main_window_weak.unwrap();
+            let index = main_window.get_current_item() as usize;
+
+            model.remove(index);
+        });
+    }
+
     main_window.run();
 }