private void ChangeLevel(int newLevel, SKTrackElement parent)
{
if (newLevel > currentLevel)
{
elementsPerLevel.Add(newLevel, GetChildrenForCollectionElement(parent));
}
currentLevel = newLevel;
adapter.NotifyDataSetChanged();
listView.SetSelection(0);
}
private List <object> GetChildrenForCollectionElement(SKTrackElement parent)
{
List <object> children = new List <object>();
foreach (SKTrackElement childElement in parent.ChildElements)
{
if (childElement.Type.Equals(SKTrackElementType.Collection))
{
children.Add(childElement);
}
}
children.AddRange(parent.PointsOnTrackElement);
return(children);
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View view = null;
if (convertView == null)
{
LayoutInflater inflater = _context.GetSystemService(Context.LayoutInflaterService) as LayoutInflater;
view = inflater.Inflate(Resource.Layout.layout_track_element_list_item, null);
}
else
{
view = convertView;
}
Button drawButton = view.FindViewById <Button>(Resource.Id.draw_button);
TextView text = view.FindViewById <TextView>(Resource.Id.label_list_item);
object item = _context.elementsPerLevel[_context.currentLevel][position];
if (item is SKTracksPoint)
{
drawButton.Visibility = ViewStates.Gone;
view.FindViewById(Resource.Id.indicator_children_available).Visibility = ViewStates.Gone;
SKTracksPoint point = (SKTracksPoint)item;
text.Text = "POINT\n(" + point.Latitude + ", " + point.Longitude + ")";
}
else if (item is SKTrackElement)
{
drawButton.Visibility = ViewStates.Visible;
view.FindViewById(Resource.Id.indicator_children_available).Visibility = ViewStates.Visible;
SKTrackElement trackElement = (SKTrackElement)item;
string name = trackElement.Name;
if (string.IsNullOrEmpty(name))
{
text.Text = trackElement.GPXElementType.ToString();
}
else
{
text.Text = name;
}
drawButton.Click += (s, e) =>
{
TrackElementsActivity.SelectedTrackElement = trackElement;
_context.SetResult(Result.Ok);
_context.Finish();
};
}
return(view);
}
