/// <summary>
/// Executes the ClipPolygonWithLine Operation tool programaticaly.
/// Ping deleted static for external testing 01/2010
/// </summary>
/// <param name="input1">The input Polygon FeatureSet.</param>
/// <param name="input2">The input Polyline FeatureSet.</param>
/// <param name="output">The output Polygon FeatureSet.</param>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns></returns>
public bool Execute(IFeatureSet input1, IFeatureSet input2, IFeatureSet output, ICancelProgressHandler cancelProgressHandler)
{
//Validates the input and output data
if (input1 == null || input2 == null || output == null)
{
return false;
}
if (cancelProgressHandler.Cancel)
return false;
IFeature polygon = input1.Features[0];
IFeature line = input2.Features[0];
IFeatureSet resultFS = new FeatureSet(FeatureTypes.Polygon);
int previous = 0;
if (DoClipPolygonWithLine(ref polygon, ref line, ref output) == false)
{
throw new SystemException(TextStrings.Exceptioninclipin);
}
int intFeature = output.Features.Count;
for (int i = 0; i < intFeature; i++)
{
Polygon poly = new Polygon(output.Features[i].Coordinates);
resultFS.AddFeature(poly);
int current = Convert.ToInt32(Math.Round(i * 100D / intFeature));
//only update when increment in percentage
if (current > previous)
cancelProgressHandler.Progress("", current, current + TextStrings.progresscompleted);
previous = current;
}
cancelProgressHandler.Progress("", 100, 100 + TextStrings.progresscompleted);
resultFS.SaveAs(output.Filename, true);
return true;
}
/// <summary>
/// Handles the situation for exporting the layer as a new source.
/// </summary>
protected override void OnExportData()
{
ExportFeature frmExport = new ExportFeature();
frmExport.Filename = DataSet.Filename;
if (frmExport.ShowDialog() != DialogResult.OK) return;
if (frmExport.FeaturesIndex == 0)
{
DataSet.SaveAs(frmExport.Filename, true);
}
else if (frmExport.FeaturesIndex == 1)
{
FeatureSet fs = _selection.ToFeatureSet();
fs.SaveAs(frmExport.Filename, true);
}
else if (frmExport.FeaturesIndex == 2)
{
List<IFeature> features = DataSet.Select(MapFrame.Extents);
FeatureSet fs = new FeatureSet(features);
if (fs.Features.Count == 0)
{
fs.CopyTableSchema(DataSet);
}
fs.SaveAs(frmExport.Filename, true);
}
AddToMapDialog dlgAddLayer = new AddToMapDialog();
if (dlgAddLayer.ShowDialog() != DialogResult.OK) return;
if (dlgAddLayer.AddLayer == false) return;
IFeatureLayer newLayer = OpenFile(frmExport.Filename) as IFeatureLayer;
IGroup parent = GetParentItem() as IGroup;
if (parent != null)
{
int index = parent.IndexOf(this);
if (newLayer != null)
{
parent.Insert(index + 1, newLayer);
}
}
}