AppTheming and XAML

2026-01-11 12:33:48 -05:00
parent f87ea17a6f
commit 50cc186d6d
48 changed files with 3544 additions and 3068 deletions
--- a/ShellDemo/Pages/ListsPage.xaml.cs
+++ b/ShellDemo/Pages/ListsPage.xaml.cs
@@ -0,0 +1,104 @@
+// ListsPage - CollectionView and ListView Demo
+
+using Microsoft.Maui.Controls;
+using System.Collections.ObjectModel;
+
+namespace ShellDemo;
+
+public partial class ListsPage : ContentPage
+{
+    private int _eventCount = 0;
+    private ObservableCollection<string> _contacts;
+
+    public ListsPage()
+    {
+        InitializeComponent();
+
+        // Set up fruits
+        var fruits = new List<string>
+        {
+            "Apple", "Banana", "Cherry", "Date", "Elderberry",
+            "Fig", "Grape", "Honeydew", "Kiwi", "Lemon",
+            "Mango", "Nectarine", "Orange", "Papaya", "Quince"
+        };
+        FruitsCollectionView.ItemsSource = fruits;
+
+        // Set up colors
+        var colors = new List<string>
+        {
+            "Red", "Pink", "Purple", "Deep Purple", "Indigo",
+            "Blue", "Cyan", "Teal", "Green", "Light Green",
+            "Lime", "Yellow", "Amber", "Orange", "Deep Orange"
+        };
+        ColorsCollectionView.ItemsSource = colors;
+
+        // Set up contacts
+        _contacts = new ObservableCollection<string>
+        {
+            "Alice Johnson (Engineering)",
+            "Bob Smith (Marketing)",
+            "Carol Williams (Design)",
+            "David Brown (Sales)",
+            "Eva Martinez (Engineering)",
+            "Frank Lee (Support)",
+            "Grace Kim (HR)",
+            "Henry Wilson (Finance)"
+        };
+        ContactsCollectionView.ItemsSource = _contacts;
+    }
+
+    private void OnFruitsSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (e.CurrentSelection.Count > 0)
+        {
+            var item = e.CurrentSelection[0]?.ToString();
+            FruitsSelectedLabel.Text = $"Selected: {item}";
+            LogEvent($"Fruit selected: {item}");
+        }
+    }
+
+    private void OnColorsSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (e.CurrentSelection.Count > 0)
+        {
+            var item = e.CurrentSelection[0]?.ToString();
+            LogEvent($"Color selected: {item}");
+        }
+    }
+
+    private void OnContactsSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (e.CurrentSelection.Count > 0)
+        {
+            var contact = e.CurrentSelection[0]?.ToString();
+            LogEvent($"Contact: {contact}");
+        }
+    }
+
+    private void OnAddContactClicked(object? sender, EventArgs e)
+    {
+        var newContact = $"New Contact {_contacts.Count + 1} (New)";
+        _contacts.Add(newContact);
+        LogEvent($"Added: {newContact}");
+    }
+
+    private void OnDeleteContactClicked(object? sender, EventArgs e)
+    {
+        if (ContactsCollectionView.SelectedItem is string selected && _contacts.Contains(selected))
+        {
+            _contacts.Remove(selected);
+            LogEvent($"Deleted: {selected}");
+        }
+        else
+        {
+            LogEvent("No contact selected to delete");
+        }
+    }
+
+    private void LogEvent(string message)
+    {
+        _eventCount++;
+        var timestamp = DateTime.Now.ToString("HH:mm:ss");
+        EventLogLabel.Text = $"[{timestamp}] {_eventCount}. {message}\n{EventLogLabel.Text}";
+    }
+}