Add time zones settings panel

SettingsWindow/TimeZonesSettingsPanel.xaml.cs

@@ -0,0 +1,115 @@
+using System;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Input;
+
+namespace WorldClockStatusWindow.SettingsWindow;
+
+public partial class TimeZonesSettingsPanel
+{
+    private CollectionViewSource _collectionViewSource;
+
+    public TimeZonesSettingsPanel()
+    {
+        InitializeComponent();
+    }
+
+    public override string CategoryName => Properties.Resources.optionCategoryTimeZones;
+
+    public override void LoadPanel(Window parentWindow)
+    {
+        base.LoadPanel(parentWindow);
+
+        if (_collectionViewSource == null)
+        {
+            _collectionViewSource = new CollectionViewSource { Source = Data.TimeZoneEntries };
+            _collectionViewSource.SortDescriptions.Add(new SortDescription("Label", ListSortDirection.Ascending));
+
+            TimeZoneDataGrid.ItemsSource = _collectionViewSource.View;
+        }
+
+        _collectionViewSource.View.Refresh();
+
+        if (TimeZoneDataGrid.Items.Count > 0)
+            TimeZoneDataGrid.SelectedIndex = 0;
+
+        SetTimeZoneButtonStates();
+    }
+
+    private void HandleTimeZoneDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        SetTimeZoneButtonStates();
+    }
+
+    private void SetTimeZoneButtonStates()
+    {
+        AddTimeZoneButton.IsEnabled = true;
+        EditTimeZoneButton.IsEnabled = TimeZoneDataGrid.SelectedItems.Count == 1;
+        DeleteTimeZoneButton.IsEnabled = TimeZoneDataGrid.SelectedItems.Count > 0;
+    }
+
+    private void HandleAddTimeZoneButtonClick(object sender, RoutedEventArgs e)
+    {
+        AddTimeZone();
+    }
+
+    private void HandleEditTimeZoneButtonClick(object sender, RoutedEventArgs e)
+    {
+        EditSelectedTimeZone();
+    }
+
+    private void HandleDeleteTimeZoneButtonClick(object sender, RoutedEventArgs e)
+    {
+        DeleteSelectedTimeZones();
+    }
+
+    private void HandleTimeZoneDataGridRowMouseDoubleClick(object sender, MouseButtonEventArgs e)
+    {
+        EditSelectedTimeZone();
+    }
+
+    private void AddTimeZone()
+    {
+        var timeZoneEntry = new TimeZoneEntry { TimeZoneId = TimeZoneInfo.Local.Id };
+
+        var timeZoneWindow = new TimeZoneWindow();
+
+        var result = timeZoneWindow.Display(timeZoneEntry, Window.GetWindow(this));
+
+        if (!result.HasValue || !result.Value)
+            return;
+
+        TimeZoneDataGrid.SelectedItem = timeZoneEntry;
+
+        SetTimeZoneButtonStates();
+    }
+
+    private void EditSelectedTimeZone()
+    {
+        if (TimeZoneDataGrid.SelectedItem == null)
+            return;
+
+        var timeZoneEntry = (TimeZoneEntry) TimeZoneDataGrid.SelectedItem;
+
+        var timeZoneWindow = new TimeZoneWindow();
+
+        timeZoneWindow.Display(timeZoneEntry, Window.GetWindow(this));
+    }
+
+    private void DeleteSelectedTimeZones()
+    {
+        if (MessageBox.Show(ParentWindow!, Properties.Resources.ConfirmDeleteTimeZones, Properties.Resources.ConfirmDeleteTitle, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
+            return;
+
+        var selectedItems = new TimeZoneEntry[TimeZoneDataGrid.SelectedItems.Count];
+
+        TimeZoneDataGrid.SelectedItems.CopyTo(selectedItems, 0);
+
+        foreach (var timeZoneEntry in selectedItems)
+            Data.TimeZoneEntries.Remove(timeZoneEntry);
+
+        SetTimeZoneButtonStates();
+    }
+}