public int SetData(string userId, string taskGuid, string dataGuid, string dataType, string xmlData)
{
var args = new SetDataEventArgs(userId, taskGuid, dataGuid, dataType, xmlData);
if (!args.Valid)
{
return(-1);
}
switch (args.DataType)
{
case "SetExtent":
var pt = new MapPoint(args.GetDouble("//LON"), args.GetDouble("//LAT"));
_map.MapView.SetViewAsync(pt, _map.GetScale(args.GetLong("//Level")), new TimeSpan(1000));
break;
case "ClearGraphic":
switch (args.GetString("//Target"))
{
case "Highlight":
_map.ClearGraphic("Highlight");
break;
case "Drawing":
_map.ClearGraphic("Drawing");
break;
}
break;
case "DrawPicture":
_map.AddGraphic(new Graphic(new MapPoint(args.GetDouble("//LON"), args.GetDouble("//LAT"))), "Drawing", ImageUtil.ImageToBytes(ImageUtil.Base64ToImage(args.GetString("//Picture"))));
break;
}
return(1);
}
public Task <string> SetDataAsync(string userId, string taskGuid, string dataGuid, string dataType, string xmlData, Action <string> callback)
{
GisUtil util;
var args = new SetDataEventArgs(userId, taskGuid, dataGuid, dataType, xmlData);
return(Task.Run(async() =>
{
if (!args.Valid)
{
return "";
}
switch (args.DataType)
{
case "SetExtent":
_map.Dispatcher.Invoke(
new Action(
async delegate
{
util = new GisUtil(_map);
await util.Locate(args.GetDouble("//LON"), args.GetDouble("//LAT"), _map.GetScale(args.GetLong("//Level")));
}
)
);
break;
case "LocateObject":
util = new GisUtil(_map);
QueryResult res = await util.DoQuery(args.GetString("//Service"), args.GetString("//Layer"), null, args.GetString("//Where"));
if (res.FeatureSet.Features.Count < 1)
{
return "";
}
_map.Dispatcher.Invoke(
new Action(
async delegate
{
_map.ClearGraphic("Highlight");
_map.AddGraphic(new Graphic(res.FeatureSet.Features[0].Geometry, res.FeatureSet.Features[0].Attributes), "Highlight");
util = new GisUtil(_map);
await util.Locate(res.FeatureSet.Features[0].Geometry, _map.GetScale(args.GetLong("//Level")));
}
)
);
break;
case "LocateObjectAll":
util = new GisUtil(_map);
FindResult find = await util.DoFind(args.GetString("//Service"), null, args.GetString("//Fields"), args.GetString("//Value"));
if (find.Results.Count < 1)
{
return "";
}
_map.Dispatcher.Invoke(
new Action(
async delegate
{
_map.ClearGraphic("Highlight");
_map.AddGraphic(new Graphic(find.Results[0].Feature.Geometry, find.Results[0].Feature.Attributes), "Highlight");
util = new GisUtil(_map);
await util.Locate(find.Results[0].Feature.Geometry, _map.GetScale(args.GetLong("//Level")));
}
)
);
break;
case "HisLocation":
TrackModel tm = new TrackModel(args, callback);
_map.SetTrack(tm);
break;
case "DrawPointCollection":
MapPointUtil mu = new MapPointUtil(args, callback);
mu.Draw(_map);
break;
}
return "1";
}));
}