internal LayerContainer(Layer layer)
{
this.Layer = layer;
base.Opacity = layer.Opacity;
this.progress = layer.progress;
this.orignalBounds = new List<Rectangle2D>();
layer.Progress += new EventHandler<ProgressEventArgs>(this.layer_Progress);
layer.PropertyChanged += new PropertyChangedEventHandler(this.layer_PropertyChanged);
}
private void LoadLayerInView(bool useTransitions, Rectangle2D drawBounds, Layer layer)
{
if (!Rectangle2D.IsNullOrEmpty(drawBounds) && layer.IsInitialized && (layer.Error == null)
&& (layer.MinVisibleResolution <= mapResolution) && (layer.MaxVisibleResolution >= mapResolution)
&& layer.IsVisible && Layers.Contains(layer) && CoordinateReferenceSystem.Equals(layer.CRS, CRS, true))
{
Rectangle2D last = (Rectangle2D)(layer.GetValue(LastLayerViewBoundsProperty));
if (Rectangle2D.IsNullOrEmpty(last) || !drawBounds.Equals(last))
{
layer.Draw(new DrawParameter()
{
UseTransitions = useTransitions,
Resoluitons = Resolutions,
Resolution = targetResolution,
ViewBounds = drawBounds,
ViewSize = currentSize,
LayerOrigin = layer.Container.Origin
});
layer.SetValue(LastLayerViewBoundsProperty, drawBounds);
}
}
}
private void InsertLayerContainer(Layer layer)
{
int index = 0;
int num = Layers.IndexOf(layer);
if (num > 0)
{
for (int i = num - 1; i >= 0; i--)
{
Layer layer2 = this.Layers[i];
if ((layer2.Container != null) && (layer2.Container.Parent == this.layerCollectionContainer))
{
index = this.layerCollectionContainer.Children.IndexOf(layer2.Container) + 1;
break;
}
}
}
layerCollectionContainer.Children.Insert(index, layer.Container);
}
private void RemoveMapLayers(Layer _layer)
{
_layer.LayerChanged -= new Layer.LayerChangedHandler(this.layer_OnLayerChanged);
_layer.Initialized -= new EventHandler<EventArgs>(this.layer_Initialized);
_layer.CancelLoad();
_layer.Container.Children.Clear();
if ((this.layerCollectionContainer != null) && this.layerCollectionContainer.Children.Contains(_layer.Container))
{
this.layerCollectionContainer.Children.Remove(_layer.Container);
}
_layer.ClearValue(MapProperty);//用的都是Clear
_layer.ClearValue(LastLayerViewBoundsProperty);
if (((_layer is FeaturesLayer) && (this.Popup.Child != null)) && ((_layer as FeaturesLayer).ToolTip == this.Popup.Child))
{
this.CloseToolTip();
}
}
private void AssignLayerContainer(Layer layer)
{
if (layer.Container.Parent == null && layer.IsInitialized && layer.Error == null)
{
layer.Container.OriginX = this.origin.X;
layer.Container.OriginY = this.origin.Y;
layer.Container.Resolution = this.mapResolution;
this.InsertLayerContainer(layer);
}
}
