public static void RemoveMarkers(Canvas canvas)
{
for (int i = canvas.Children.Count - 1; i >= 0; i--)
{
UIElement element = canvas.Children[i];
if (element is MarkerControl)
{
MarkerControl marker = element as MarkerControl;
canvas.Children.Remove(marker);
}
else if (element is System.Windows.Shapes.Line)
{
System.Windows.Shapes.Line line = element as System.Windows.Shapes.Line;
canvas.Children.Remove(line);
}
else if (element is System.Windows.Shapes.Ellipse)
{
System.Windows.Shapes.Ellipse ellipse = element as System.Windows.Shapes.Ellipse;
canvas.Children.Remove(ellipse);
}
else if (element is MarkerControl2)
{
MarkerControl2 marker = element as MarkerControl2;
canvas.Children.Remove(marker);
}
}
}
static void OnPointsChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
MarkerControl2 c = (MarkerControl2)sender;
PointCollection p = e.NewValue as PointCollection;
if (p != null)
{
c.poly.BeginInit();
c.poly.Points = p;
c.poly.EndInit();
}
}
//private void DrawMarkers(Canvas canvas, TileSchema schema, ITransform transform, List<Marker> cache, Extent extent, int level)
//{
// foreach (Marker m in cache)
// {
// if (m.UIElement == null)
// {
// if (!m.Visible) continue;
// if (m.Points != null)
// {
// MarkerControl2 c = new MarkerControl2();
// c.Over += new RoutedEventHandler(c_Over);
// c.Leave += new RoutedEventHandler(c_Leave);
// c.Points = new PointCollection(m.Points);
// c.Text = m.Text;
// c.Description = m.Description;
// m.UIElement = c;
// }
// else
// {
// MarkerControl c = new MarkerControl();
// c.Over += new RoutedEventHandler(c_Over);
// c.Leave += new RoutedEventHandler(c_Leave);
// if (markerImages != null)
// {
// if (markerImages.ContainsKey(m.ImageIndex))
// {
// c.Image = markerImages[m.ImageIndex];
// }
// else if (markerImages.ContainsKey(-1))
// {
// c.Image = markerImages[-1];
// }
// }
// c.Text = m.Text;
// c.Description = m.Description;
// m.UIElement = c;
// }
// }
// //MarkerControl marker = m.UIElement as MarkerControl;
// UIElement marker = m.UIElement as UIElement;
// marker.Visibility = Visibility.Collapsed;
// if (!m.Visible)
// {
// continue;
// }
// if (!canvas.Children.Contains(marker))
// {
// canvas.Children.Add(marker);
// }
// Rect dest = MapTransformHelper.WorldToMap(extent, transform);
// Point p = transform.WorldToMap(m.X, m.Y);
// //if (dest.Contains(p))
// //{
// Canvas.SetZIndex(marker, m.ZIndex);
// Canvas.SetLeft(marker, p.X);
// Canvas.SetTop(marker, p.Y);
// //if (m.Points != null)
// //{
// // if (!(marker.RenderTransform is ScaleTransform))
// // {
// // marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution, 1.0 / transform.Resolution);
// // }
// // else
// // {
// // ((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution;
// // ((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution;
// // }
// //}
// double factor = 1;
// if (!(marker.RenderTransform is ScaleTransform))
// {
// marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution * factor, 1.0 / transform.Resolution * factor);
// }
// else
// {
// ((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution * factor;
// ((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution * factor;
// }
// marker.Visibility = Visibility.Visible;
// // }
// }
//}
#endregion
private void DrawEvents(Canvas canvas, TileSchema schema, ITransform transform, List <Marker> cache, Extent extent, DateTimeOffset time, int level)
{
foreach (Marker m in cache)
{
if (cache.Count == 0 || m.timeOffset > time || m.timeOffset < MapControl.PlaneDepartureTime)
{
continue;
}
if (m.UIElement == null)
{
if (!m.Visible)
{
continue;
}
if (m.Points != null)
{
MarkerControl2 c = new MarkerControl2();
c.Over += new RoutedEventHandler(c_Over);
c.Leave += new RoutedEventHandler(c_Leave);
c.Points = new PointCollection(m.Points);
c.Text = m.Text;
c.Description = m.Description;
m.UIElement = c;
}
else
{
MarkerControl c = new MarkerControl();
c.Over += new RoutedEventHandler(c_Over);
c.Leave += new RoutedEventHandler(c_Leave);
if (markerImages != null)
{
if (markerImages.ContainsKey(m.ImageIndex))
{
c.Image = markerImages[m.ImageIndex];
}
else if (markerImages.ContainsKey(-1))
{
c.Image = markerImages[-1];
}
}
c.Text = m.Text;
c.Description = m.Description;
m.UIElement = c;
}
}
//MarkerControl marker = m.UIElement as MarkerControl;
UIElement marker = m.UIElement as UIElement;
marker.Visibility = Visibility.Collapsed;
if (!m.Visible)
{
continue;
}
if (!canvas.Children.Contains(marker))
{
canvas.Children.Add(marker);
}
Rect dest = MapTransformHelper.WorldToMap(extent, transform);
Point p = transform.WorldToMap(m.X, m.Y);
//if (dest.Contains(p))
//{
Canvas.SetZIndex(marker, m.ZIndex);
Canvas.SetLeft(marker, p.X);
Canvas.SetTop(marker, p.Y);
if (m.Points != null)
{
if (!(marker.RenderTransform is ScaleTransform))
{
marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution, 1.0 / transform.Resolution);
}
else
{
((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution;
((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution;
}
}
//double factor = 1;
//if (!(marker.RenderTransform is ScaleTransform))
//{
// marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution * factor, 1.0 / transform.Resolution * factor);
//}
//else
//{
// ((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution * factor;
// ((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution * factor;
//}
marker.Visibility = Visibility.Visible;
// }
}
}
private void DrawMarkers(Canvas canvas, TileSchema schema, ITransform transform, List<Marker> cache, Extent extent, int level)
{
foreach (Marker m in cache)
{
if (m.UIElement == null)
{
if (!m.Visible) continue;
if (m.Points != null)
{
MarkerControl2 c = new MarkerControl2();
c.Over += new RoutedEventHandler(c_Over);
c.Leave += new RoutedEventHandler(c_Leave);
c.Points = new PointCollection(m.Points);
c.Text = m.Text;
c.Description = m.Description;
m.UIElement = c;
}
else
{
MarkerControl c = new MarkerControl();
c.Over += new RoutedEventHandler(c_Over);
c.Leave += new RoutedEventHandler(c_Leave);
if (markerImages != null)
{
if (markerImages.ContainsKey(m.ImageIndex))
{
c.Image = markerImages[m.ImageIndex];
}
else if (markerImages.ContainsKey(-1))
{
c.Image = markerImages[-1];
}
}
c.Text = m.Text;
c.Description = m.Description;
m.UIElement = c;
}
}
//MarkerControl marker = m.UIElement as MarkerControl;
UIElement marker = m.UIElement as UIElement;
marker.Visibility = Visibility.Collapsed;
if (!m.Visible)
{
continue;
}
if (!canvas.Children.Contains(marker))
{
canvas.Children.Add(marker);
}
Rect dest = MapTransformHelper.WorldToMap(extent, transform);
Point p = transform.WorldToMap(m.X, m.Y);
if (dest.Contains(p))
{
Canvas.SetZIndex(marker, m.ZIndex);
Canvas.SetLeft(marker, p.X);
Canvas.SetTop(marker, p.Y);
if (m.Points != null)
{
if (!(marker.RenderTransform is ScaleTransform))
{
marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution, 1.0 / transform.Resolution);
}
else
{
((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution;
((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution;
}
}
/*
double factor = 4;
if (!(marker.RenderTransform is ScaleTransform))
{
marker.RenderTransform = new ScaleTransform(1.0 / transform.Resolution * factor, 1.0 / transform.Resolution * factor);
}
else {
((ScaleTransform)marker.RenderTransform).ScaleX = 1.0 / transform.Resolution * factor;
((ScaleTransform)marker.RenderTransform).ScaleY = 1.0 / transform.Resolution * factor;
}
*/
marker.Visibility = Visibility.Visible;
}
}
}
