private async void btnSaveDataset_Click(object sender, EventArgs e)
{
if (this.dataset == null)
{
return;
}
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "SpatiaLite Database (*.sqlite)|*.sqlite|All Files (*.*)|*.*";
if (dlg.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return;
}
string outputFile = dlg.FileName;
Model.Geometry.SpatiaLite.Database db = new Model.Geometry.SpatiaLite.Database(outputFile);
SetProgress(0);
int numClasses = this.dataset.Count;
int i = 1;
foreach (var sc in this.dataset)
{
await db.TrySaveSpatialClass(sc);
SetProgress(i++ *100 / numClasses);
}
}
private async Task ImportSQLite(string file)
{
Gis.IMapWindow window = null;
Model.Geometry.SpatiaLite.Database db = new Model.Geometry.SpatiaLite.Database(file);
List <IFeatureSet> dataset = null;
bool ok = true;
await Task.Run(() =>
{
ok = db.TryLoadSpatialDataset(out dataset);
});
if (!ok)
{
MessageBox.Show("Unable to load spatial dataset from file '" + file + "': " + db.ErrorMessage);
return;
}
SetProgress(50);
var mapGroup = new Gis.DotSpatialMapGroup();
mapGroup.MapGroup = CreateMapGroup(dataset);
mapGroup.MapGroup.LegendText = Path.GetFileNameWithoutExtension(file);
window = mapFactory.CreateMapWindow();
window.Attach(this.container);
window.AddMapGroup(mapGroup);
SetProgress(100);
window.Show(Window.DockingState.Document);
this.dataset = dataset;
}
public bool ImportSQLite(string filePath, string name, bool addedFromProjectLoad)
{
Model.Geometry.SpatiaLite.Database db = new Model.Geometry.SpatiaLite.Database(filePath);
List <IFeatureSet> dataset = null;
bool ok = true;
ok = db.TryLoadSpatialDataset(out dataset);
if (!ok)
{
MessageBox.Show("Unable to load spatial dataset from file '" + filePath + "': " + db.ErrorMessage);
return(false);
}
DotSpatial.Controls.MapGroup mapGroup = new DotSpatial.Controls.MapGroup();
mapGroup.LegendText = name;
mapGroup.SelectionEnabled = true;
foreach (var fs in dataset)
{
var mapLayer = GetMapLayerFromFeatureSet(fs);
mapLayer.SelectionEnabled = true;
//group.Layers.Add(layer);
mapGroup.Layers.Add(mapLayer);
mapLayer.SetParentItem(mapGroup);
var id = Guid.NewGuid().ToString();
//this.idMapLayer[id] = mapLayer;
//this.idMapLayerInverse[mapLayer] = id;
mapGroup.Layers[mapGroup.Layers.Count - 1].LegendText = fs.Name;
}
foreach (var layer in mapGroup.Layers)
{
//if (!layer.Projection.Equals(this.map.MapFrame.Projection))
// If we don't reproject upon load for every layer, then the layers don't display properly.
layer.Reproject(this.map.MapFrame.Projection);
IMapFeatureLayer fl = layer as IMapFeatureLayer;
if (fl != null)
{
//LayerAdded(fl);
}
}
this.map.Layers.Add(mapGroup);
//var id = Guid.NewGuid().ToString();
//this.idMapGroupInverse[mapGroup] = id;
//this.idMapGroup[id] = mapGroup;
mapGroup.IsExpanded = false;
//if (!this.mapSymbolHelper.LoadSymbology(mg, file, this))
//{
// return false;
//}
if (!addedFromProjectLoad)
{
this.projectMgr.SetProperty(Section_Layers, name, filePath);
}
return(true);
}
