ClemensFischer/XAML-Map-Control
1
0
Fork 0
mirror of https://github.com/ClemensFischer/XAML-Map-Control.git synced 2025-12-06 07:12:04 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Range selection in MapItemsControl

Browse source
This commit is contained in:
ClemensFischer 2025-03-17 10:56:42 +01:00
parent da63e55fd4
commit 1fc35d90c0
4 changed files with 41 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
MapControl/Avalonia/MapItem.Avalonia.cs
View file

@ -9,14 +9,12 @@
DependencyPropertyHelper.AddOwner<MapItem, Location>(MapPanel.LocationProperty, null,
(item, oldValue, newValue) => item.UpdateMapTransform(newValue));
/// <summary>
/// Prevent range selection by Shift+PointerPressed.
/// </summary>
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
if (e.KeyModifiers.HasFlag(KeyModifiers.Shift))
{
e.Handled = true;
MapItemsControl.SetSelectedItemsRange(this);
}
else
{

37
MapControl/Shared/MapItemsControl.cs
View file

@ -78,5 +78,42 @@ namespace MapControl
{
SelectItemsByPosition(rect.Contains);
}
internal static void SetSelectedItemsRange(MapItem mapItem)
{
if (ItemsControlFromItemContainer(mapItem) is MapItemsControl mapItemsControl &&
mapItemsControl.SelectionMode != SelectionMode.Single)
{
var pos = MapPanel.GetViewPosition(mapItem);
if (pos.HasValue)
{
var xMin = pos.Value.X;
var xMax = pos.Value.X;
var yMin = pos.Value.Y;
var yMax = pos.Value.Y;
if (mapItemsControl.SelectedItem != null)
{
var selectedMapItem = mapItemsControl.ContainerFromItem(mapItemsControl.SelectedItem);
if (selectedMapItem != mapItem)
{
pos = MapPanel.GetViewPosition(selectedMapItem);
if (pos.HasValue)
{
xMin = Math.Min(xMin, pos.Value.X);
xMax = Math.Max(xMax, pos.Value.X);
yMin = Math.Min(yMin, pos.Value.Y);
yMax = Math.Max(yMax, pos.Value.Y);
}
}
}
mapItemsControl.SelectItemsInRect(new Rect(xMin, yMin, xMax - xMin, yMax - yMin));
}
}
}
}
}

5
MapControl/WPF/MapItem.WPF.cs
View file

@ -1,4 +1,5 @@
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
namespace MapControl
@ -17,14 +18,12 @@ namespace MapControl
DefaultStyleKeyProperty.OverrideMetadata(typeof(MapItem), new FrameworkPropertyMetadata(typeof(MapItem)));
}
/// <summary>
/// Prevent range selection by Shift+MouseLeftButtonDown.
/// </summary>
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift))
{
e.Handled = true;
MapItemsControl.SetSelectedItemsRange(this);
}
else
{

4
MapControl/WinUI/MapItem.WinUI.cs
View file

@ -31,14 +31,12 @@ namespace MapControl
MapPanel.InitMapElement(this);
}
/// <summary>
/// Prevent range selection by Shift+PointerPressed.
/// </summary>
protected override void OnPointerPressed(PointerRoutedEventArgs e)
{
if (e.KeyModifiers.HasFlag(VirtualKeyModifiers.Shift))
{
e.Handled = true;
MapItemsControl.SetSelectedItemsRange(this);
}
else
{