/// <summary>
/// The on comboBox selection change event.
/// </summary>
/// <param name="item">The newly selected combo box item</param>
protected override void OnSelectionChange(ComboBoxItem item)
{
if (item == null)
{
return;
}
if (string.IsNullOrEmpty(item.Text))
{
return;
}
string name = item.Text;
List <Mosaic> filteredItems = ItemsClean.Where(i => i.name == name).ToList();
Mosaic mosaic = filteredItems.First();
if (Module1.Current.IsTrial)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Basemaps cannot be added to the TOC using trial accounts");
}
else
{
OpenWebMapAsync(mosaic);
}
SelectedItem = null;
// TODO Code behavior when selection changes.
}
private void SetThumbnail(Mosaic item)
{
TilePointConvert tilePointConvert = new TilePointConvert();
var extent = MapView.Active.Extent;
int z = 7;
MapPoint sw = MapPointBuilder.CreateMapPoint(extent.XMin, extent.YMin, extent.SpatialReference);
sw = GeometryEngine.Instance.Project(sw, SpatialReferences.WGS84) as MapPoint;
MapPoint ne = MapPointBuilder.CreateMapPoint(extent.XMax, extent.YMax, SpatialReferences.WGS84);
ne = GeometryEngine.Instance.Project(ne, SpatialReferences.WGS84) as MapPoint;
IList <MapPoint> mapPoints = new List <MapPoint>();
mapPoints.Add(sw);
mapPoints.Add(ne);
double zz = TilePointConvert.BestMapView(mapPoints, 100, 56, 2);
z = (int)Math.Floor(zz);
if (z < 0)
{
z = z * -1;
}
var centerProjected = GeometryEngine.Instance.Project(extent.Center, SpatialReferences.WGS84) as MapPoint;
double centerlong = centerProjected.X;
double centerlat = centerProjected.Y;
PointF point = tilePointConvert.WorldToTilePos(centerlong, centerlat, z);
item.Thumbnail = item._links.tiles.Replace("{x}", Math.Floor(point.X).ToString()).Replace("{y}", Math.Floor(point.Y).ToString()).Replace("{z}", z.ToString());
}