wagesj45/advanced-calculator
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Use ListBoxItem taps to insert functions: remove inner Button from functions list template, keep item DataContext as FunctionDefinitionItem, and handle tap in code-behind by executing InsertFunctionCommand with the tapped item. Mirror history list clipboard pattern. Name flyout root for clarity.

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Codex CLI 2025-08-28 03:57:41 -05:00
commit 8a5a50fcaa
2 changed files with 33 additions and 6 deletions
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9
src/AdvancedCalculator/Views/MainView.axaml
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@ -135,7 +135,7 @@
AutomationProperties.Name="Toggle functions panel">
<Button.Flyout>
<Flyout IsOpen="{Binding IsFunctionsPanelOpen, Mode=TwoWay}" Placement="BottomEdgeAlignedLeft">
<Border Padding="8" MinWidth="360" MaxHeight="420">
<Border x:Name="FunctionsPanelRoot" Padding="8" MinWidth="360" MaxHeight="420">
<ScrollViewer>
<StackPanel>
<ItemsControl ItemsSource="{x:Static m:FunctionDefinitionItem.DefinedFunctionGroups}">
@ -155,10 +155,7 @@
<ListBox ItemsSource="{Binding Functions}" BorderThickness="0" SelectedIndex="-1">
<ListBox.ItemTemplate>
<DataTemplate x:DataType="m:FunctionDefinitionItem">
<Button
Command="{Binding $parent[ListBox].DataContext.InsertFunctionCommand}"
CommandParameter="{Binding}"
Background="Transparent" BorderThickness="0" Padding="8" MinHeight="36"
<Border Background="Transparent" Padding="8" MinHeight="36"
AutomationProperties.Name="Insert function">
<Grid ColumnDefinitions="*,Auto">
<StackPanel>
@ -166,7 +163,7 @@
<TextBlock Text="{Binding FunctionDescription}" Opacity="0.8"/>
</StackPanel>
</Grid>
</Button>
</Border>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>

30
src/AdvancedCalculator/Views/MainView.axaml.cs
View file

@ -21,6 +21,7 @@ public partial class MainView : UserControl
private MainViewModel? _vm;
private ListBox? _historyList;
private bool _functionsTapHandlerAttached;
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
@ -37,6 +38,14 @@ public partial class MainView : UserControl
_historyList.AddHandler(InputElement.TappedEvent, OnHistoryTapped,
RoutingStrategies.Tunnel | RoutingStrategies.Bubble);
}
// Handle taps anywhere in the functions flyout list items to insert function
if (!_functionsTapHandlerAttached)
{
this.AddHandler(InputElement.TappedEvent, OnFunctionsTapped,
RoutingStrategies.Tunnel | RoutingStrategies.Bubble);
_functionsTapHandlerAttached = true;
}
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
@ -50,6 +59,11 @@ public partial class MainView : UserControl
_historyList.RemoveHandler(InputElement.TappedEvent, OnHistoryTapped);
_historyList = null;
}
if (_functionsTapHandlerAttached)
{
this.RemoveHandler(InputElement.TappedEvent, OnFunctionsTapped);
_functionsTapHandlerAttached = false;
}
_vm = null;
}
@ -83,4 +97,20 @@ public partial class MainView : UserControl
e.Handled = true;
}
}
private void OnFunctionsTapped(object? sender, TappedEventArgs e)
{
// Find the ListBoxItem the tap originated from, and ensure it's a function item
var srcVisual = e.Source as IVisual;
var container = srcVisual?.FindAncestorOfType<ListBoxItem>();
if (container?.DataContext is not FunctionDefinitionItem item)
return;
var vm = DataContext as MainViewModel;
if (vm?.InsertFunctionCommand.CanExecute(item) == true)
{
vm.InsertFunctionCommand.Execute(item);
e.Handled = true;
}
}
}