public void ContainsTest()
{
var a = new[] { new EClass(1), new EClass(2) };
var l = new EventedList <EClass>(a);
Assert.That(l.Contains(a[0]));
Assert.That(!l.Contains(new EClass()));
}
private void map_CollectionChanged(object sender, NotifyCollectionChangingEventArgs e)
{
if (IsDisposed)
{
return;
}
// hack: some tools add extra tools and can remove them in response to a layer
// change. For example NetworkEditorMapTool adds NewLineTool for NetworkMapLayer
foreach (var tool in tools.ToArray().Where(tool => tools.Contains(tool)))
{
tool.OnMapCollectionChanged(sender, e);
}
var layer = e.Item as ILayer;
if (layer == null)
{
return;
}
if (Map == null)
{
return; // may happen in multi-threaded environment
}
switch (e.Action)
{
case NotifyCollectionChangeAction.Add:
var allLayersWereEmpty = Map.Layers.Except(new[] { layer }).All(l => l.Envelope != null && l.Envelope.IsNull);
if (allLayersWereEmpty && layer.Envelope != null && !layer.Envelope.IsNull)
{
map.ZoomToExtents(); //HACK: OOPS, changing domain model from separate thread!
}
break;
case NotifyCollectionChangeAction.Replace:
throw new NotImplementedException();
}
Refresh();
}
private void map_CollectionChanged_Delayed(object sender, NotifyCollectionChangedEventArgs e)
{
if (IsDisposed)
{
return;
}
// hack: some tools add extra tools and can remove them in response to a layer
// change. For example NetworkEditorMapTool adds NewLineTool for NetworkMapLayer
foreach (IMapTool tool in tools.ToArray())
{
if (tools.Contains(tool)) // ???
{
tool.OnMapCollectionChanged(sender, e);
}
}
var layer = e.Item as ILayer;
if (layer == null)
{
return;
}
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
bool allLayersWereEmpty = Map.Layers.Except(new[] { layer }).All(l => l.Envelope.IsNull);
if (allLayersWereEmpty && !layer.Envelope.IsNull)
{
map.ZoomToExtents();
}
break;
case NotifyCollectionChangedAction.Replace:
throw new NotImplementedException();
}
Refresh();
}