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MapItemsControl implementation

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ClemensFischer 2025-06-05 19:06:38 +02:00
parent 367d54037f
commit e3b221a80b
4 changed files with 35 additions and 48 deletions
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22
MapControl/Avalonia/MapItemsControl.Avalonia.cs
View file

@ -20,6 +20,11 @@ namespace MapControl
SelectItemsByPosition(geometry.FillContains);
}
public new MapItem ContainerFromItem(object item)
{
return (MapItem)base.ContainerFromItem(item);
}
protected override bool NeedsContainerOverride(object item, int index, out object recycleKey)
{
recycleKey = null;
@ -35,26 +40,13 @@ namespace MapControl
protected override void PrepareContainerForItemOverride(Control container, object item, int index)
{
base.PrepareContainerForItemOverride(container, item, index);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.SetBinding(MapItem.LocationProperty,
new Binding
{
Path = new PropertyPath(LocationMemberPath),
Source = item
});
}
PrepareContainer(container, item);
}
protected override void ClearContainerForItemOverride(Control container)
{
base.ClearContainerForItemOverride(container);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.ClearValue(MapItem.LocationProperty);
}
ClearContainer(container);
}
internal void UpdateSelection(MapItem mapItem, PointerEventArgs e)

24
MapControl/Shared/MapItemsControl.cs
View file

@ -2,12 +2,15 @@
#if WPF
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
#elif UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Data;
#elif WINUI
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Data;
#endif
namespace MapControl
@ -114,5 +117,26 @@ namespace MapControl
SelectItemsInRect(new Rect(xMin, yMin, xMax - xMin, yMax - yMin));
}
}
private void PrepareContainer(DependencyObject container, object item)
{
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.SetBinding(MapItem.LocationProperty,
new Binding
{
Path = new PropertyPath(LocationMemberPath),
Source = item
});
}
}
private void ClearContainer(DependencyObject container)
{
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.ClearValue(MapItem.LocationProperty);
}
}
}
}

18
MapControl/WPF/MapItemsControl.WPF.cs
View file

@ -1,6 +1,5 @@
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
namespace MapControl
@ -40,26 +39,13 @@ namespace MapControl
protected override void PrepareContainerForItemOverride(DependencyObject container, object item)
{
base.PrepareContainerForItemOverride(container, item);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.SetBinding(MapItem.LocationProperty,
new Binding
{
Path = new PropertyPath(LocationMemberPath),
Source = item
});
}
PrepareContainer(container, item);
}
protected override void ClearContainerForItemOverride(DependencyObject container, object item)
{
base.ClearContainerForItemOverride(container, item);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.ClearValue(MapItem.LocationProperty);
}
ClearContainer(container);
}
}
}

19
MapControl/WinUI/MapItemsControl.WinUI.cs
View file

@ -1,9 +1,7 @@
#if UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
#else
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Data;
#endif
namespace MapControl
@ -34,26 +32,13 @@ namespace MapControl
protected override void PrepareContainerForItemOverride(DependencyObject container, object item)
{
base.PrepareContainerForItemOverride(container, item);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.SetBinding(MapItem.LocationProperty,
new Binding
{
Path = new PropertyPath(LocationMemberPath),
Source = item
});
}
PrepareContainer(container, item);
}
protected override void ClearContainerForItemOverride(DependencyObject container, object item)
{
base.ClearContainerForItemOverride(container, item);
if (LocationMemberPath != null && container is MapItem mapItem)
{
mapItem.ClearValue(MapItem.LocationProperty);
}
ClearContainer(container);
}
}
}