ClemensFischer/XAML-Map-Control
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ClemensFischer 2026-04-13 17:14:49 +02:00
parent c14377f976
commit 65aba44af6
152 changed files with 11962 additions and 12115 deletions
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83
MapControl/Shared/PolygonCollection.cs
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@ -3,63 +3,62 @@ using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Linq;
namespace MapControl
namespace MapControl;
/// <summary>
/// An ObservableCollection of IEnumerable of Location. PolygonCollection adds a CollectionChanged
/// listener to each element that implements INotifyCollectionChanged and, when such an element changes,
/// fires its own CollectionChanged event with NotifyCollectionChangedAction.Replace for that element.
/// </summary>
public partial class PolygonCollection : ObservableCollection<IEnumerable<Location>>
{
/// <summary>
/// An ObservableCollection of IEnumerable of Location. PolygonCollection adds a CollectionChanged
/// listener to each element that implements INotifyCollectionChanged and, when such an element changes,
/// fires its own CollectionChanged event with NotifyCollectionChangedAction.Replace for that element.
/// </summary>
public partial class PolygonCollection : ObservableCollection<IEnumerable<Location>>
private void PolygonChanged(object sender, NotifyCollectionChangedEventArgs e)
{
private void PolygonChanged(object sender, NotifyCollectionChangedEventArgs e)
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, sender, sender));
}
protected override void InsertItem(int index, IEnumerable<Location> polygon)
{
if (polygon is INotifyCollectionChanged addedPolygon)
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, sender, sender));
addedPolygon.CollectionChanged += PolygonChanged;
}
protected override void InsertItem(int index, IEnumerable<Location> polygon)
{
if (polygon is INotifyCollectionChanged addedPolygon)
{
addedPolygon.CollectionChanged += PolygonChanged;
}
base.InsertItem(index, polygon);
}
base.InsertItem(index, polygon);
protected override void SetItem(int index, IEnumerable<Location> polygon)
{
if (this[index] is INotifyCollectionChanged removedPolygon)
{
removedPolygon.CollectionChanged -= PolygonChanged;
}
protected override void SetItem(int index, IEnumerable<Location> polygon)
if (polygon is INotifyCollectionChanged addedPolygon)
{
if (this[index] is INotifyCollectionChanged removedPolygon)
{
removedPolygon.CollectionChanged -= PolygonChanged;
}
if (polygon is INotifyCollectionChanged addedPolygon)
{
addedPolygon.CollectionChanged += PolygonChanged;
}
base.SetItem(index, polygon);
addedPolygon.CollectionChanged += PolygonChanged;
}
protected override void RemoveItem(int index)
{
if (this[index] is INotifyCollectionChanged removedPolygon)
{
removedPolygon.CollectionChanged -= PolygonChanged;
}
base.SetItem(index, polygon);
}
base.RemoveItem(index);
protected override void RemoveItem(int index)
{
if (this[index] is INotifyCollectionChanged removedPolygon)
{
removedPolygon.CollectionChanged -= PolygonChanged;
}
protected override void ClearItems()
{
foreach (var polygon in this.OfType<INotifyCollectionChanged>())
{
polygon.CollectionChanged -= PolygonChanged;
}
base.RemoveItem(index);
}
base.ClearItems();
protected override void ClearItems()
{
foreach (var polygon in this.OfType<INotifyCollectionChanged>())
{
polygon.CollectionChanged -= PolygonChanged;
}
base.ClearItems();
}
}