private async Task AddScenic(MapPoint location)
{
var x = new Dialog_ScenicScan();
//x.Owner = Application.Current.MainWindow;
x.ShowDialog();
var ScenicName = x.TxtName.Text;
var ScenicDescription = x.TxtDescription.Text;
var graphic = new Graphic();
//子窗体关闭按钮已做处理
if (ScenicName != string.Empty && ScenicDescription != string.Empty)
{
var symbol = (sceniceAgent as IRenderGraphic).CreatSymbol <CompositeSymbol>();
graphic = new Graphic
{
Geometry = location,
Symbol = symbol
};
var item = new Scenic
{
description = ScenicDescription,
longitude = (decimal?)location.X,
latitude = (decimal?)location.Y,
id = Convert.ToInt32(_graphicsLayer.Graphics.Last().Attributes["ID"]) + 1,
name = ScenicName
};
graphic.Attributes["ID"] = item.id;
graphic.Attributes["Name"] = ScenicName;
graphic.Attributes["Description"] = ScenicDescription;
graphic.Attributes["Longitude"] = location.X;
graphic.Attributes["Latitude"] = location.Y;
_graphicsLayer.Graphics.Add(graphic);
var result = await sceniceAgent.AddScenicSpot(item);
if (result) //新增成功
{
MessageBox.Show("新增景点信息成功", "操作成功", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
_graphicsLayer.Graphics.Remove(graphic);
MessageBox.Show("新增景点信息失败", "操作失败", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
private async Task AlterScenic(Point point)
{
var graphic = await _graphicsLayer.HitTestAsync(MyMapView, point, MAX_GRAPHICS);
var _graphic = graphic.FirstOrDefault();
var x = new Dialog_ScenicScan();
x.Title = "修改景点";
string id = _graphic.Attributes["ID"].ToString();
x.TxtName.Text = _graphic.Attributes["Name"].ToString();
x.TxtDescription.Text = _graphic.Attributes["Description"].ToString();
//也可以采用点击位置的方式
double longitude = double.Parse(_graphic.Attributes["Longitude"].ToString());
double latitude = double.Parse(_graphic.Attributes["Latitude"].ToString());
x.ShowDialog();
string ScenicName = x.TxtName.Text;
string ScenicDescription = x.TxtDescription.Text;
if (ScenicName != string.Empty && ScenicDescription != string.Empty)
{
bool r = sceniceAgent.AlterScenicSpot(new Scenic()
{
id = int.Parse(id),
description = ScenicDescription,
name = ScenicName,
longitude = (decimal)longitude,
latitude = (decimal)latitude
});
if (r) //修改UI
{
_graphic.Attributes["Name"] = ScenicName;
_graphic.Attributes["Description"] = ScenicDescription;
MessageBox.Show("修改景点信息成功", "操作成功", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("修改景点信息失败", "操作失败", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
