private void AddFolderToMap()
{
var folder = GetSelectedItem <IFolderItem>();
if (folder != null)
{
_layerService.BeginBatch();
try
{
foreach (var item in folder.SubItems)
{
var file = item as IFileItem;
if (file != null)
{
_layerService.AddLayersFromFilename(file.Filename);
}
}
}
finally
{
_layerService.EndBatch();
}
}
}
/// <summary>
/// Restores the state of application by populating application _context after project file was deserialized.
/// </summary>
public bool Restore(XmlProject project)
{
_context.Map.Lock();
_context.Legend.Lock();
RestoreTmsProvider(project.Map.TileProviderId);
try
{
_layerService.BeginBatch();
RestoreMapProjection(project);
RestorePlugins(project);
int selectedLayerHandle;
if (!RestoreLayers(project, out selectedLayerHandle))
{
return(false);
}
RestoreGroups(project);
RestoreExtents(project);
RestoreLocator(project);
if (selectedLayerHandle != -1)
{
_context.Legend.SelectedLayerHandle = selectedLayerHandle;
}
return(true);
}
finally
{
_layerService.EndBatch();
_context.Map.Unlock();
_context.Legend.Unlock();
_context.Legend.Redraw(LegendRedraw.LegendAndMap);
}
}
public override bool ViewOkClicked()
{
View.StartWait();
var layers = View.Layers.Where(l => l.Selected).ToList();
if (layers.Count == 0)
{
MessageService.Current.Info("No layers are selected.");
return(false);
}
_syncContext = SynchronizationContext.Current;
_layerService.BeginBatch();
Task.Factory.StartNew(() =>
{
foreach (var info in layers)
{
var layer = new VectorLayer();
if (layer.Open(info.Layer.ConnectionString, info.Layer.Name))
{
var data = layer.Data;
AddLayerToMap(layer);
}
}
})
.ContinueWith(t =>
{
_layerService.EndBatch();
View.StopWait();
ReturnValue = true;
View.Close();
}, TaskScheduler.FromCurrentSynchronizationContext());
return(false);
}
/// <summary>
/// Restores the state of application by populating application _context after project file was deserialized.
/// </summary>
public bool Restore(MapWin4Project project, string filename)
{
if (project == null)
{
return(false);
}
_context.Map.Lock();
_context.Legend.Lock();
string path = Path.GetDirectoryName(filename);
try
{
_layerService.BeginBatch();
RestoreMapProjection(project, filename);
RestoreLayers(project, path);
RestoreGroups(project);
MapLayerToGroups(project);
RestoreExtents(project);
RestoreLocator(project);
return(true);
}
finally
{
_layerService.EndBatch();
_context.Map.Unlock();
_context.Legend.Unlock();
_context.Legend.Redraw(LegendRedraw.LegendAndMap);
}
}