private static void OnLayerPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OverviewMap ovmap = d as OverviewMap;
if (ovmap.OVMapImage != null)
{
ovmap.OVMapImage.Layers.Clear();
if (ovmap.Layer != null)
{
ovmap.OVMapImage.Layers.Add(ovmap.Layer);
}
}
if (ovmap.Layer != null)
{
bool isInit = ovmap.Layer.IsInitialized;
if (isInit)
{
ovmap.Layer_LayersInitialized(ovmap.Layer, null);
}
else
{
ovmap.Layer.Initialized += ovmap.Layer_LayersInitialized;
}
}
}
private static void OnMapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OverviewMap ovmap = d as OverviewMap;
Map oldMap = e.OldValue as Map;
if (oldMap != null) //clean up
{
if (ovmap.OVMapImage != null)
{
ovmap.OVMapImage.Layers.Clear();
}
oldMap.ExtentChanged -= ovmap.UpdateOVMap;
oldMap.RotationChanged -= ovmap.map_RotationChanged;
}
Map newMap = e.NewValue as Map;
if (newMap != null)
{
newMap.ExtentChanged += ovmap.UpdateOVMap;
newMap.RotationChanged += ovmap.map_RotationChanged;
if (ovmap.Layer != null && ovmap.OVMapImage != null && !ovmap.OVMapImage.Layers.Contains(ovmap.Layer))
{
ovmap.OVMapImage.Layers.Add(ovmap.Layer);
}
ovmap.UpdateOVMap();
}
}
public void InitializeComponent()
{
if (_contentLoaded)
{
return;
}
_contentLoaded = true;
System.Windows.Application.LoadComponent(this, new System.Uri("/ESRI.SilverlightViewer;component/Widgets/OverviewMapWidget.xaml", System.UriKind.Relative));
this.OverviewMapPanel = ((System.Windows.Controls.Border)(this.FindName("OverviewMapPanel")));
this.OverviewPanelTransform = ((System.Windows.Media.TranslateTransform)(this.FindName("OverviewPanelTransform")));
this.myOverviewMap = ((ESRI.ArcGIS.Client.Toolkit.OverviewMap)(this.FindName("myOverviewMap")));
this.OverviewToggler = ((System.Windows.Controls.HyperlinkButton)(this.FindName("OverviewToggler")));
this.OverviewTogglerTransform = ((System.Windows.Media.RotateTransform)(this.FindName("OverviewTogglerTransform")));
}
private static void OnMaximumExtentPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OverviewMap ov = d as OverviewMap;
Envelope newExtent = e.NewValue as Envelope;
if (newExtent != null)
{
if (ov.OVMapImage == null || ov.OVMapImage.Layers == null)
{
return;
}
ov.maxWidth = newExtent.Width;
ov.maxHeight = newExtent.Height;
ov.UpdateOVMap();
if (ov.IsStatic)
{
if (ov.isInitialized)
{
ov.UpdateExtentToMaixumExtent();
}
else
{
ov.OVMapImage.Layers.LayersInitialized += (s, arg) => { ov.UpdateExtentToMaixumExtent(); }
};
}
else
{
if (ov.isInitialized)
{
ov.ZoomToNewExtent();
}
}
}
else
{
if (ov.isInitialized)
{
ov.fullExtent = ov.OVMapImage.Layers.GetFullExtent();
if (ov.fullExtent != null)
{
ov.maxWidth = ov.fullExtent.Width;
ov.maxHeight = ov.fullExtent.Height;
}
ov.UpdateOVMap();
}
}
}