public DataViewerViewModel(GisEditorWpfMap map, IEnumerable <FeatureLayer> availableLayers, FeatureLayer selectedLayer, bool showSelectedFeatures, bool allowEdit, IDictionary <FeatureLayer, Collection <string> > linkColumnNames)
{
enableColumnVirtualization = true;
this.map = map;
CurrentDataTable = new DataTable();
queryConditions = new Collection <QueryConditionViewModel>();
editDataChanges = new ObservableCollection <EditDataChange>();
HightLightRowColor = DataViewerHelper.GetHightlightLayerColor();
this.showSelectedFeatures = showSelectedFeatures;
changedLayers = new Collection <FeatureLayer>();
AllowEdit = allowEdit;
if (availableLayers != null && availableLayers.Count() > 0)
{
allLayerAdapters = new ObservableCollection <FeatureLayerAdapter>();
foreach (var item in availableLayers)
{
Collection <string> tempUriColumnNames = new Collection <string>();
if (linkColumnNames.ContainsKey(item))
{
tempUriColumnNames = linkColumnNames[item];
}
FeatureLayerPlugin featureLayerPlugin = GisEditor.LayerManager.GetLayerPlugins(item.GetType()).OfType <FeatureLayerPlugin>().FirstOrDefault();
if (featureLayerPlugin != null)
{
bool isEfficient = featureLayerPlugin.CanPageFeaturesEfficiently;
if (isEfficient)
{
PagedFeatureLayerAdapter shapeFileFeatureLayerDataAdapter = new PagedFeatureLayerAdapter(item, tempUriColumnNames);
shapeFileFeatureLayerDataAdapter.IsLinkDataSourceEnabled = !allowEdit;
shapeFileFeatureLayerDataAdapter.LoadingData += new EventHandler <ProgressChangedEventArgs>(shapeFileFeatureLayerDataAdapter_LoadingData);
allLayerAdapters.Add(shapeFileFeatureLayerDataAdapter);
}
else
{
FeatureLayerAdapter featureLayerAdapter = new FeatureLayerAdapter(item, tempUriColumnNames);
allLayerAdapters.Add(featureLayerAdapter);
}
}
}
if (selectedLayer != null && availableLayers.Contains(selectedLayer))
{
SelectedLayerAdapter = allLayerAdapters.Where(adapter => adapter.FeatureLayer == selectedLayer).FirstOrDefault();
}
else if (availableLayers.Contains(map.ActiveLayer))
{
SelectedLayerAdapter = allLayerAdapters.Where(adapter => adapter.FeatureLayer == map.ActiveLayer).FirstOrDefault();
}
else
{
SelectedLayerAdapter = allLayerAdapters.FirstOrDefault();
}
}
}
private void HighlightOrUnhighlightRecord(DataRow currentDataRow)
{
bool isSelected = !Convert.ToBoolean(currentDataRow[FeatureLayerAdapter.IsSelectedColumnName]);
currentDataRow[FeatureLayerAdapter.IsSelectedColumnName] = isSelected;
var featureId = currentDataRow[FeatureLayerAdapter.FeatureIdColumnName].ToString();
Feature selectedFeature = null;
if (!viewModel.SelectedLayer.FeatureIdsToExclude.Contains(featureId))
{
viewModel.OpenFeatureLayer();
var columns = viewModel.SelectedLayer.FeatureSource.GetColumns(GettingColumnsType.FeatureSourceOnly);
selectedFeature = viewModel.SelectedLayer.FeatureSource.GetFeatureById(featureId, columns.Select(c => c.ColumnName).ToArray());
viewModel.CloseFeatureLayer();
}
else
{
var editorOverlay = GisEditor.ActiveMap.FeatureLayerEditOverlay;
if (editorOverlay != null)
{
if (editorOverlay.EditShapesLayer.InternalFeatures.Contains(featureId))
{
selectedFeature = editorOverlay.EditShapesLayer.InternalFeatures[featureId];
}
}
}
if (selectedFeature != null && selectedFeature.GetWellKnownBinary() != null)
{
Feature copyFeature = GisEditor.SelectionManager.GetSelectionOverlay().CreateHighlightFeature(selectedFeature, viewModel.SelectedLayer);
copyFeature.Tag = viewModel.SelectedLayer;
if (isSelected)
{
if (IsHighlightFeatureEnabled)
{
DataViewerHelper.HightlightSelectedFeature(copyFeature);
}
viewModel.SelectedLayerAdapter.SelectedFeatures.Add(selectedFeature.Id, selectedFeature);
}
else
{
DataViewerHelper.RemoveHightlightFeature(copyFeature);
viewModel.SelectedLayerAdapter.SelectedFeatures.Remove(selectedFeature.Id);
}
viewModel.SelectedCount = viewModel.SelectedLayerAdapter.SelectedFeatures.Count;
}
}
