} // public void addSelectedLayer()
public void addLayer(VLayer lyr)
{
log("addLayer " + lyr.lyrUrl);
ESRI.ArcGIS.Client.Map map = MapApplication.Current.Map;
ESRI.ArcGIS.Client.LayerCollection lyrs = map.Layers;
lyr.lyr.InitializationFailed += new EventHandler <EventArgs>(lyr_InitializationFailed);
lyrs.Add(lyr.lyr);
MapApplication.SetLayerName(lyr.lyr, lyr.lyrName);
// http://help.arcgis.com/en/webapps/silverlightviewer/help/index.html#//01770000001s000000
} // public void addLayer(VLayer lyr)
} // void pingsrv_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e) {
/// <summary>
/// If layers in config: clear map.layers; attach mapprogress event; add layers from config to map;
/// set extent; set selected layer
/// </summary>
/// <param name="cfg"></param>
/// <param name="map"></param>
/// <param name="lyrInitFail"></param>
/// <param name="mapProgress"></param>
public static VLayer loadMapCfg(string cfg, ESRI.ArcGIS.Client.Map map,
EventHandler <EventArgs> lyrInitFail, EventHandler <ProgressEventArgs> mapProgress)
{
// if LayersList: clean map; add layers from LayersList to map
ESRI.ArcGIS.Client.Geometry.Envelope ext = VRestore.mapExtentFromConfig(cfg);
var layersList = VRestore.lyrsListFromConfig(cfg);
if (layersList.Count <= 0)
{
throw new Exception("VRestore.loadMapCfg: список слоев пуст, видимо была сохранена пустая карта");
}
ESRI.ArcGIS.Client.LayerCollection lyrs = map.Layers;
// clear map
lyrs.Clear();
VLayer sl = null;
if (mapProgress != null && layersList.Count > 0)
{
map.Progress -= mapProgress;
map.Progress += mapProgress;
}
// add layers to map
foreach (var x in layersList)
{
//string.Format("loadMapCfg, add layer {0}", x.lyrUrl).clog();
string.Format("VRestore.loadMapCfg, add layer '{0}' '{1}' '{2}'", x.ID, x.lyrName, x.lyrType).clog();
if (lyrInitFail != null)
{
x.lyr.InitializationFailed += new EventHandler <EventArgs>(lyrInitFail);
}
//x.lyr.SetValue(MapApplication.LayerNameProperty, x.lyrName);
//x.lyr.Initialize();
lyrs.Add(x.lyr);
MapApplication.SetLayerName(x.lyr, x.lyrName);
if (x.selected)
{
sl = x;
}
}
if (ext != null)
{
map.Extent = ext;
}
// select selected layer
if (sl != null)
{
string.Format("VRestore.loadMapCfg, selected layer '{0}' '{1}'", sl.ID, sl.lyrName).clog();
MapApplication.Current.SelectedLayer = sl.lyr;
}
return(sl);
} // public static VLayer loadMapCfg(string cfg, ESRI.ArcGIS.Client.Map map)
} // private string getMapConfig()
/// <summary>
/// read layers list, create json object from them
/// </summary>
/// <param name="map"></param>
/// <returns></returns>
public static string mapConfig(ESRI.ArcGIS.Client.Map map)
{
var res = new JsonObject(); // http://msdn.microsoft.com/en-us/library/cc197957%28v=VS.95%29.aspx
ESRI.ArcGIS.Client.LayerCollection lyrs = map.Layers;
var ext = map.Extent.Clone();
var obj = new JsonObject {
{ "xmin", ext.XMin },
{ "xmax", ext.XMax },
{ "ymin", ext.YMin },
{ "ymax", ext.YMax },
{ "sridWKID", ext.SpatialReference.WKID },
{ "sridWKT", ext.SpatialReference.WKT }
};
res.Add("MapExtent", obj);
int num = 0;
foreach (var lyr in lyrs)
{
// from bottom to top
var vl = new VLayer(lyr);
if (vl.ID == null || vl.ID == "")
{
string.Format("VSave.mapConfig, skip layer '{0}'", vl.toJson()).clog();
continue; // skip empty GraphicsLayer
}
num += 1;
obj = vl.toJson();
res.Add(num.ToString(), obj);
} // end foreach layer
return(res.ToString());
} // public static string mapConfig(ESRI.ArcGIS.Client.Map map)
