ClemensFischer/XAML-Map-Control
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Map and MapItem input handling

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ClemensFischer 2025-03-19 11:14:13 +01:00
parent 9da6a13950
commit 74d3a4adfe
8 changed files with 241 additions and 104 deletions
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46
MapControl/Shared/MapItemsControl.cs
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@ -68,9 +68,9 @@ namespace MapControl
{
SelectItems(item =>
{
var pos = MapPanel.GetViewPosition(ContainerFromItem(item));
var position = MapPanel.GetViewPosition(ContainerFromItem(item));
return pos.HasValue && predicate(pos.Value);
return position.HasValue && predicate(position.Value);
});
}
@ -82,40 +82,36 @@ namespace MapControl
/// <summary>
/// Selects all items in a rectangular range between SelectedItem and the specified MapItem.
/// </summary>
internal static void SelectItemsInRange(MapItem mapItem)
internal void SelectItemsInRange(MapItem mapItem)
{
if (ItemsControlFromItemContainer(mapItem) is MapItemsControl mapItemsControl &&
mapItemsControl.SelectionMode != SelectionMode.Single)
var position = MapPanel.GetViewPosition(mapItem);
if (position.HasValue)
{
var pos = MapPanel.GetViewPosition(mapItem);
var xMin = position.Value.X;
var xMax = position.Value.X;
var yMin = position.Value.Y;
var yMax = position.Value.Y;
if (pos.HasValue)
if (SelectedItem != null)
{
var xMin = pos.Value.X;
var xMax = pos.Value.X;
var yMin = pos.Value.Y;
var yMax = pos.Value.Y;
var selectedMapItem = ContainerFromItem(SelectedItem);
if (mapItemsControl.SelectedItem != null)
if (selectedMapItem != mapItem)
{
var selectedMapItem = mapItemsControl.ContainerFromItem(mapItemsControl.SelectedItem);
position = MapPanel.GetViewPosition(selectedMapItem);
if (selectedMapItem != mapItem)
if (position.HasValue)
{
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);
}
xMin = Math.Min(xMin, position.Value.X);
xMax = Math.Max(xMax, position.Value.X);
yMin = Math.Min(yMin, position.Value.Y);
yMax = Math.Max(yMax, position.Value.Y);
}
}
mapItemsControl.SelectItemsInRect(new Rect(xMin, yMin, xMax - xMin, yMax - yMin));
}
SelectItemsInRect(new Rect(xMin, yMin, xMax - xMin, yMax - yMin));
}
}
}