public static int CalculateSpeceficValuesCount(string requireColumnName, string fieldValue, ShapeFileFeatureLayer featureLayer)
{
int count = 0;
if (!String.IsNullOrEmpty(requireColumnName))
{
featureLayer.SafeProcess(() =>
{
string dbfPath = Path.ChangeExtension(featureLayer.ShapePathFilename, ".dbf");
if (File.Exists(dbfPath))
{
using (GeoDbf dbf = new GeoDbf(dbfPath))
{
dbf.Open();
string orignalColumnName = requireColumnName;
for (int i = 1; i <= dbf.RecordCount; i++)
{
var currentFieldValue = dbf.ReadFieldAsString(i, orignalColumnName);
if (currentFieldValue.Equals(fieldValue, StringComparison.Ordinal))
{
count++;
}
}
dbf.Close();
}
}
});
}
return(count);
}
public static IEnumerable <IGrouping <string, string> > GroupColumnValues(string requireColumnName
, ShapeFileFeatureLayer featureLayer)
{
Collection <string> fieldValues = new Collection <string>();
if (!String.IsNullOrEmpty(requireColumnName))
{
featureLayer.SafeProcess(() =>
{
string dbfPath = Path.ChangeExtension(featureLayer.ShapePathFilename, ".dbf");
if (File.Exists(dbfPath))
{
string orignalColumnName = requireColumnName;
using (GeoDbf dbf = new GeoDbf(dbfPath))
{
dbf.Open();
for (int i = 1; i <= dbf.RecordCount; i++)
{
fieldValues.Add(dbf.ReadFieldAsString(i, orignalColumnName));
}
dbf.Close();
}
}
});
}
return(fieldValues.GroupBy(fieldValue => fieldValue));
}
/// <summary>
/// Points to Draw Elapsed MS
/// 10000 605
/// 20000 998
/// 50000 2658
/// 100000 4980
/// </summary>
private static double GetRecommendPointToValueRatio(FeatureLayer layer, string columnName)
{
int pointsToDraw = 0;
// better performance.
if (layer is ShapeFileFeatureLayer)
{
var shpLayer = (ShapeFileFeatureLayer)layer;
var shpFName = shpLayer.ShapePathFilename;
var dbfFName = Path.ChangeExtension(shpFName, ".dbf");
if (File.Exists(dbfFName))
{
using (GeoDbf geoDbf = new GeoDbf(dbfFName, GeoFileReadWriteMode.Read))
{
geoDbf.Open();
for (int i = 1; i <= geoDbf.RecordCount; i++)
{
string fieldValue = geoDbf.ReadFieldAsString(i, columnName);
try
{
pointsToDraw += (int)Convert.ToDouble(fieldValue);
}
catch (Exception ex)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
}
}
geoDbf.Close();
}
}
}
else
{
IEnumerable <Feature> features = null;
layer.SafeProcess(() => { features = layer.QueryTools.GetAllFeatures(new string[] { columnName }); });
pointsToDraw = features.Sum(tmpFeature =>
{
try { return((int)Convert.ToDouble(tmpFeature.ColumnValues[columnName])); }
catch (Exception ex)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
return(0);
}
});
}
double pointToValueRatio = 1d;
if (maxDotsToDraw < pointsToDraw)
{
pointToValueRatio = (double)maxDotsToDraw / (double)pointsToDraw;
}
return(pointToValueRatio);
}
public override Collection <FeatureSourceColumn> GetColumnToAdd(string filePath, string customParameter)
{
Collection <FeatureSourceColumn> result = new Collection <FeatureSourceColumn>();
using (GeoDbf geoDbf = new GeoDbf(filePath, GeoFileReadWriteMode.Read))
{
geoDbf.Open();
var columns = geoDbf.GetAllColumns();
foreach (var item in columns)
{
DataJoinFeatureSourceColumn csvColumn = new DataJoinFeatureSourceColumn(item.ColumnName, item.TypeName, item.MaxLength);
result.Add(csvColumn);
}
geoDbf.Close();
}
return(result);
}
public override DataTable ReadDataToDataGrid(string filePath, string customParameter)
{
DataTable PreviewDataTable = new DataTable();
if (File.Exists(filePath))
{
DataTable dataTable = new DataTable();
using (GeoDbf geoDbf = new GeoDbf(filePath, GeoFileReadWriteMode.Read))
{
geoDbf.Open();
dataTable = new DataTable();
var columns = geoDbf.GetAllColumns();
foreach (var item in columns)
{
dataTable.Columns.Add(item.ColumnName);
}
for (int i = 1; i <= geoDbf.RecordCount; i++)
{
DataRow dr = dataTable.NewRow();
var dictionary = geoDbf.ReadRecordAsString(i);
for (int j = 1; j <= geoDbf.ColumnCount; j++)
{
string value;
dictionary.TryGetValue(geoDbf.GetColumnName(j), out value);
dr[j - 1] = value;
}
dataTable.Rows.Add(dr);
}
geoDbf.Close();
}
PreviewDataTable = dataTable;
}
return(PreviewDataTable);
}
private void GenerateExportConfig()
{
Collection <SplitFileModel> exportedModels = new Collection <SplitFileModel>();
SelectedLayerToSplit.SafeProcess(() =>
{
string selectedColumnName = SelectedFeatureSourceColumn.ColumnName;
Collection <Tuple <string, int> > distinctColumnValues = new Collection <Tuple <string, int> >();
if (UseSelectedFeaturesOnly)
{
var tmpColumnValues = HighlightFeatureLayer.InternalFeatures
.Where(tmpFeature => tmpFeature.Tag.Equals(SelectedLayerToSplit))
.Select(tmpFeature => tmpFeature.ColumnValues[selectedColumnName]);
foreach (var item in tmpColumnValues.GroupBy(tmpColumnValue => tmpColumnValue))
{
distinctColumnValues.Add(new Tuple <string, int>(item.Key, item.Count()));
}
}
else
{
var tmpShapeFileFeatureLayer = SelectedLayerToSplit as ShapeFileFeatureLayer;
Collection <string> values = new Collection <string>();
if (tmpShapeFileFeatureLayer != null)
{
string dbfPath = Path.ChangeExtension(tmpShapeFileFeatureLayer.ShapePathFilename, ".dbf");
GeoDbf geoDbf = new GeoDbf(dbfPath, GeoFileReadWriteMode.Read, tmpShapeFileFeatureLayer.Encoding);
geoDbf.Open();
for (int i = 1; i <= geoDbf.RecordCount; i++)
{
var columnValue = geoDbf.ReadRecordAsString(i)[selectedColumnName];
values.Add(columnValue);
}
geoDbf.Close();
}
else
{
foreach (var feature in SelectedLayerToSplit.QueryTools.GetAllFeatures(new string[] { selectedColumnName }))
{
values.Add(feature.ColumnValues[selectedColumnName]);
}
}
var groupedTmpColumnValues = values.GroupBy(tmpColumnValue => tmpColumnValue);
foreach (var item in groupedTmpColumnValues)
{
distinctColumnValues.Add(new Tuple <string, int>(item.Key, item.Count()));
}
}
foreach (var distinctValue in distinctColumnValues)
{
string columnValue = distinctValue.Item1;
if (!String.IsNullOrEmpty(columnValue))
{
Regex regex = new Regex(@"\w*");
var matches = regex.Matches(columnValue);
StringBuilder fileNameBuilder = new StringBuilder();
foreach (Match match in matches)
{
fileNameBuilder.Append(match.Value);
}
columnValue = fileNameBuilder.ToString();
}
SplitFileModel model = new SplitFileModel();
model.ColumnValue = String.IsNullOrEmpty(distinctValue.Item1) ? "<Blank>" : distinctValue.Item1;
model.FeatureCount = distinctValue.Item2;
model.OutputFileName = String.Format(CultureInfo.InvariantCulture
, "{0}_{1}"
, SelectedLayerToSplit.Name
, String.IsNullOrEmpty(columnValue) ? "unknown" : columnValue);
if (exportedModels
.Any(tmpModel => tmpModel.OutputFileName.Equals(model.OutputFileName, StringComparison.OrdinalIgnoreCase)))
{
var count = exportedModels.Count(tmpModel
=> tmpModel.OutputFileName.Equals(model.OutputFileName, StringComparison.OrdinalIgnoreCase));
model.OutputFileName += String.Format(CultureInfo.InvariantCulture, "_{0}", count);
//model.OutputFileName = model.OutputFileName.Replace(".shp"
//, String.Format(CultureInfo.InvariantCulture, "_{0}.shp", count));
}
exportedModels.Add(model);
}
});
#if GISEditorUnitTest
foreach (var model in exportedModels)
{
ExportConfiguration.Add(model);
}
#else
if (Application.Current != null)
{
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
foreach (var model in exportedModels)
{
ExportConfiguration.Add(model);
}
}));
}
#endif
IsBusy = false;
BusyContent = String.Empty;
CurrentThread = null;
}