void mediaSelectionEvent(MediaSelectionPayload selection)
{
mapDeselectAll();
if (selection.Items.Count() == 0)
{
return;
}
for (int i = 0; i < selection.Items.Count(); i++)
{
MediaItem item = selection.Items.ElementAt(i);
FrameworkElement elem = mapSelectItem(item);
if (elem != null && i == selection.Items.Count() - 1)
{
item.EnterReadLock();
if (item.Metadata.Latitude != null)
{
Map.Center = new Location(item.Metadata.Latitude.Value, item.Metadata.Longitude.Value);
}
item.ExitReadLock();
}
}
}
void mapAddItem(SelectableMediaItem media)
{
MediaItem item = media.Item;
item.EnterReadLock();
try
{
if (item.Metadata == null || item.HasGeoTag == false || mapContainsItem(item))
{
return;
}
GeoTagCoordinatePair coord = new GeoTagCoordinatePair(item.Metadata.Latitude, item.Metadata.Longitude);
if (!coord.IsEmpty)
{
Location itemLocation = new Location(coord.LatDecimal.Value, coord.LonDecimal.Value);
Border border = new Border();
border.BorderThickness = new Thickness(8);
border.Tag = item;
border.MaxWidth = 100;
border.MaxHeight = 100;
if (media.IsSelected)
{
border.Background = selectedImageBackground;
}
else
{
border.Background = defaultImageBackground;
}
Image image = new Image();
image.Tag = item;
image.Source = item.Metadata.Thumbnail.Image;
image.PreviewMouseDown += item_PreviewMouseDown;
image.ToolTip = item.Metadata.DefaultFormatCaption;
border.Child = image;
imageLayer.AddChild(border, itemLocation, PositionOrigin.Center);
Pushpin pin = new Pushpin();
pin.Tag = item;
pin.ToolTip = item.Metadata.DefaultFormatCaption;
pin.PreviewMouseDown += item_PreviewMouseDown;
pin.Location = itemLocation;
if (media.IsSelected)
{
pin.Background = selectedPushpinBackground;
}
else
{
pin.Background = defaultPushpinBackground;
}
pinLayer.AddChild(pin, itemLocation, PositionOrigin.BottomCenter);
}
}
finally
{
item.ExitReadLock();
}
}