protected override TaskPlugin GetTaskPluginCore()
{
List <FeatureSource> featureSources = null;
if (OnlyMergeSelectedFeatures)
{
SaveSelectedFeaturesToTempFile();
featureSources = new List <FeatureSource> {
new ShapeFileFeatureSource(tempFilePath)
};
}
else
{
featureSources = SelectedLayers.Select(featureLayer => featureLayer.FeatureSource).ToList();
foreach (var featureSource in featureSources)
{
featureSource.Close();
if (featureSource.Projection != null)
{
featureSource.Projection.Close();
}
}
}
var columns = IncludedColumns.Select(c => c.ToFeatureSourceColumn()).ToArray();
var plugin = GisEditor.TaskManager.GetActiveTaskPlugins <MergeTaskPlugin>().FirstOrDefault();
if (plugin != null)
{
InitializePlugin(plugin, featureSources, columns);
}
return(plugin);
}
override public bool Execute()
{
var image = ActiveImage;
var group = new LayerGroup(image);
image.InsertLayer(group, -1);
SelectedLayers.ForEach(layer => MoveLayerToGroup(layer, group));
return(true);
}
// Re-orders the selected layers
private void orderSelectedLayers()
{
List <FeatureLayer> preSortLayers = SelectedLayers.ToList();
SelectedLayers.Clear();
foreach (FeatureLayer fLayer in AvailableLayers)
{
if (preSortLayers.Contains(fLayer))
{
SelectedLayers.Add(fLayer);
}
}
OnPropertyChanged("SelectedLayers");
}
private void SaveSelectedFeaturesToTempFile()
{
string tempDir = Path.Combine(GisEditor.InfrastructureManager.TemporaryPath, TempPath);
if (!Directory.Exists(tempDir))
{
Directory.CreateDirectory(tempDir);
}
tempFilePath = Path.Combine(tempDir, "MergeTemp.shp");
var selectionOverlay = GisEditor.SelectionManager.GetSelectionOverlay();
if (selectionOverlay != null)
{
var selectedFeatures = selectionOverlay.HighlightFeatureLayer.InternalFeatures
.Where(tmpFeature => SelectedLayers.Contains((Layer)tmpFeature.Tag));
string projectionInWKT = Proj4Projection.ConvertProj4ToPrj(GisEditor.ActiveMap.DisplayProjectionParameters);
FileExportInfo info = new FileExportInfo(selectedFeatures, GetColumnsOfSelectedLayers(), tempFilePath, projectionInWKT);
ShapeFileExporter exporter = new ShapeFileExporter();
exporter.ExportToFile(info);
}
}
// Initializes the available layers based on the parent service and clears the selected layers
private void initializeLayers()
{
AvailableLayers.Clear();
SelectedLayers.Clear();
// Make sure the service is a type that contains sublayers
if (!(Service is FeatureService) && !(Service is MapService))
{
return; // Other service types don't have sublayers
}
// Loop through each sublayer in the service
dynamic serviceAsDynamic = Service;
foreach (FeatureLayerDescription layer in serviceAsDynamic.Layers)
{
// Create a feature layer for the sublayer
string id = Guid.NewGuid().ToString("N");
FeatureLayer fLayer = new FeatureLayer()
{
Url = string.Format("{0}/{1}", Service.Url, layer.Id),
OutFields = new OutFields()
{
"*"
},
ProxyUrl = ProxyUrl,
ID = id
};
// Initialize the layer's name
string name = !string.IsNullOrEmpty(layer.Name) ? layer.Name : id;
MapApplication.SetLayerName(fLayer, name);
// Add the layer to the set of available layers
AvailableLayers.Add(fLayer);
}
}
