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MapItemsControl SelectionMode

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ClemensFischer 2024-05-29 16:29:13 +02:00
parent c4c5d2d1df
commit 5a738f7a71
7 changed files with 15 additions and 32 deletions
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29
MapControl/Shared/MapItemsControl.cs
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@ -82,14 +82,12 @@ namespace MapControl
SelectItemsByPosition(p => rect.Contains(p));
}
protected internal void OnItemClicked(MapItem mapItem, bool controlKey, bool shiftKey)
protected internal void OnItemClicked(MapItem mapItem, bool controlKey)
{
var item = ItemFromContainer(mapItem);
if (SelectionMode == SelectionMode.Single)
if (SelectionMode == SelectionMode.Single) // set SelectedItem
{
// Single -> set only SelectedItem.
if (SelectedItem != item)
{
SelectedItem = item;
@ -99,10 +97,8 @@ namespace MapControl
SelectedItem = null;
}
}
else if (SelectionMode == SelectionMode.Multiple || controlKey)
else if (controlKey) // toggle item in SelectedItems
{
// Multiple or Extended with Ctrl -> toggle item in SelectedItems.
if (SelectedItems.Contains(item))
{
SelectedItems.Remove(item);
@ -112,23 +108,10 @@ namespace MapControl
SelectedItems.Add(item);
}
}
else if (shiftKey && SelectedItem != null)
else // set single item in SelectedItems
{
// Extended with Shift -> select items in view rectangle.
var p1 = MapPanel.GetViewPosition(ContainerFromItem(SelectedItem));
var p2 = MapPanel.GetViewPosition(mapItem);
if (p1.HasValue && p2.HasValue)
{
SelectItemsInRect(new Rect(p1.Value, p2.Value));
}
}
else if (SelectedItem != item)
{
// Extended without Control or Shift -> set selected item.
SelectedItem = item;
SelectedItems.Clear();
SelectedItems.Add(item);
}
}
}