public PersistentInterest(AsyncRef asyncRef)
{
this.interestList = new InterestList();
this.interestList.Add(asyncRef);
this.interestList.Activate();
asyncRef.AddCallback(new AsyncRecord.CompleteCallback(this.AsyncCompleteCallback));
}
public void Configure(Legend legend, IDisplayableSource displayableSource)
{
Monitor.Enter(this);
try
{
if (this.previewInterest != null)
{
this.previewInterest.Dispose();
this.previewInterest = null;
this.waitingForCI = null;
}
}
finally
{
Monitor.Exit(this);
}
if (this._legend == legend)
{
return;
}
if (this._legend != null)
{
this._legend.dirtyEvent.Remove(new DirtyListener(this.LegendChanged));
}
this._legend = legend;
this.displayableSource = displayableSource;
if (this._legend != null)
{
this._legend.dirtyEvent.Add(new DirtyListener(this.LegendChanged));
this.LegendChanged();
}
base.Enabled = (this._legend != null);
this.UpdatePreviewImage(null);
this.UpdatePreviewPanel();
}
private void HandleUpdate()
{
if (!this.needUpdate)
{
return;
}
this.needUpdate = false;
Monitor.Enter(this);
try
{
if (this.previewInterest != null)
{
this.previewInterest.Dispose();
this.previewInterest = null;
this.waitingForCI = null;
}
if (this._legend != null)
{
try
{
IFuture renderedLegendFuture = this._legend.GetRenderedLegendFuture(this.displayableSource, (FutureFeatures)5);
if (this.previewFuture != renderedLegendFuture)
{
this.previewFuture = renderedLegendFuture;
AsyncRef asyncRef = (AsyncRef)renderedLegendFuture.Realize("LegendOptionsPanel.UpdatePreviewPanel");
if (asyncRef.present == null)
{
this.waitingForCI = new LegendOptionsPanel.CallbackIgnorinator(this);
asyncRef.AddCallback(new AsyncRecord.CompleteCallback(this.waitingForCI.Callback));
asyncRef.SetInterest(524296);
this.previewInterest = new InterestList();
this.previewInterest.Add(asyncRef);
this.previewInterest.Activate();
this.UpdatePreviewImage(null);
}
else
{
if (asyncRef.present is ImageRef)
{
this.UpdatePreviewImage((ImageRef)asyncRef.present);
}
}
}
}
catch (Legend.RenderFailedException)
{
}
}
}
finally
{
Monitor.Exit(this);
}
}
private void PaintGraphics(PaintSpecification e, LatLonZoom llz)
{
this.tilesRequired = 0;
this.tilesAvailable = 0;
this.asyncRequestGeneration++;
if (this.baseLayer == null)
{
return;
}
InterestList interestList = this.activeTiles;
this.activeTiles = new InterestList();
e.ResetClip();
e.Graphics.FillRectangle(new SolidBrush(Color.LightPink), new Rectangle(new Point(0, 0), e.Size));
List<ViewerControl.PaintKit> list = new List<ViewerControl.PaintKit>();
list.AddRange(this.AssembleLayer(e, llz, this.baseLayer, 0));
int num = 1;
foreach (IDisplayableSource current in this.alphaLayers)
{
list.AddRange(this.AssembleLayer(e, llz, current, num));
num++;
}
this.activeTiles.Activate();
this.PaintKits(e.Graphics, list);
e.ResetClip();
if (this.userRegionViewController != null)
{
e.ResetClip();
this.userRegionViewController.Paint(e, llz, base.Size);
}
if (MapDrawingOption.IsEnabled(this.ShowCrosshairs))
{
Pen pen = new Pen(Color.Yellow);
Pen[] array = new Pen[]
{
pen,
new Pen(Color.Black)
{
DashStyle = DashStyle.Dash
}
};
for (int i = 0; i < array.Length; i++)
{
Pen pen2 = array[i];
e.Graphics.DrawLine(pen2, 0, base.Size.Height / 2, base.Size.Width, base.Size.Height / 2);
e.Graphics.DrawLine(pen2, base.Size.Width / 2, 0, base.Size.Width / 2, base.Size.Height);
}
}
if (MapDrawingOption.IsEnabled(this.ShowPushPins) && this.pinList != null)
{
List<PositionAssociationView> list2 = new List<PositionAssociationView>();
list2.AddRange(this.pinList);
list2.Sort(delegate(PositionAssociationView p0, PositionAssociationView p1)
{
double num2 = p1.position.pinPosition.lat - p0.position.pinPosition.lat;
if (num2 != 0.0)
{
if (num2 <= 0.0)
{
return -1;
}
return 1;
}
else
{
double num3 = p1.position.pinPosition.lon - p0.position.pinPosition.lon;
if (num3 == 0.0)
{
return 0;
}
if (num3 <= 0.0)
{
return -1;
}
return 1;
}
});
foreach (PositionAssociationView current2 in list2)
{
this.DrawMarker(current2, e);
}
}
if (interestList != null)
{
interestList.Dispose();
}
if (this.tilesRequired == 0 || this.tilesAvailable == this.tilesRequired)
{
this.displayProgressBar.Visible = false;
return;
}
this.displayProgressBar.Visible = true;
this.displayProgressBar.Minimum = 0;
this.displayProgressBar.Maximum = this.tilesRequired;
this.displayProgressBar.Value = this.tilesAvailable;
}