private void btnImport_Click(object sender, EventArgs e)
{
IFeatureClass SelShapeFile, SurveyBoundaryFC;
string ErrorMessage="" ,Comments, Park, SurveyName;
ESRI.ArcGIS.Geometry.ISpatialReference DefaultSpatRef, ImportSpatRef;
IFeatureCursor ThisFCursor;
IFeatureBuffer ThisFBuffer;
IFeature ImportFeature;
IFeatureCursor ImportCursor;
int CommentsImpIndex, ParkImpIndex, SurveyNameImpIndex,
CommentsIndex, ParkIndex, SurveyNameIndex, SurveyIDIndex,
NextSurveyID,ImportCount;
NewSurveyBoundaryForm form;
//make sure we have a shapefile path
if (string.IsNullOrEmpty(txtShapeFilePath.Text.Trim()))
{
MessageBox.Show("Please provide the path to the polygon ShapeFile containing the survey areas to import.");
return;
}
//get the shape file at the specified path - make sure it's good
SelShapeFile = Util.GetShapeFile(txtShapeFilePath.Text, ref ErrorMessage);
if (string.IsNullOrEmpty(ErrorMessage) == false)
{
MessageBox.Show(ErrorMessage);
return;
}
//make sure shapefile contains polygons
if (SelShapeFile.ShapeType != ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon)
{
MessageBox.Show("The selected ShapeFile is not a polygon shapefile");
return;
}
//make sure there are features to import
if (SelShapeFile.FeatureCount(null) == 0)
{
MessageBox.Show("There are no features in this ShapeFile");
return;
}
//make sure the shapefile has the same spatial reference as the NPS geodatabase featureclasses
DefaultSpatRef = Util.GetDefaultSpatialReference();
ImportSpatRef = ((IGeoDataset)SelShapeFile).SpatialReference;
if (Util.CompareSpatialReference(DefaultSpatRef, ImportSpatRef)==false)
{
MessageBox.Show("(Err) The selected ShapeFile has the coordinate system '"
+ ImportSpatRef.Name + "' which is different "
+ "from that of the NPS database coordinate system which is '"
+ DefaultSpatRef.Name + "'.");
return;
}
//make sure we have the survey boundary feature class
SurveyBoundaryFC = Util.GetFeatureClass(m_NPS.LYR_SURVEY_BOUNDARY,
m_NPS.Workspace, ref ErrorMessage);
if (string.IsNullOrEmpty(ErrorMessage) == false)
{
MessageBox.Show(ErrorMessage);
return;
}
//get boundary fc survey field indexes
SurveyIDIndex = SurveyBoundaryFC.FindField("SurveyID");
SurveyNameIndex = SurveyBoundaryFC.FindField("SurveyName");
ParkIndex = SurveyBoundaryFC.FindField("Park");
CommentsIndex = SurveyBoundaryFC.FindField("Comments");
//missing valid fields - can't go futher
if (SurveyIDIndex == -1 || SurveyNameIndex == -1 || ParkIndex == -1 || CommentsIndex == -1)
{
MessageBox.Show("Survey Boundary FeatureClass is missing important fields needed for import");
return;
}
//get import survey field indexes - may or may not have fields
CommentsImpIndex = SelShapeFile.FindField("Comments");
ParkImpIndex = SelShapeFile.FindField("Park");
SurveyNameImpIndex = SelShapeFile.FindField("SurveyName");
//insert cursor for survey boundary
ThisFCursor = SurveyBoundaryFC.Insert(true);
ThisFBuffer = SurveyBoundaryFC.CreateFeatureBuffer();
form = new NewSurveyBoundaryForm();
//try to get the next valid survey id
NextSurveyID = Util.NextSurveyID(ref ErrorMessage);
if (string.IsNullOrEmpty(ErrorMessage) == false)
{
MessageBox.Show(ErrorMessage);
return;
}
ImportCount = 0;
//loop through each shapefile boundary and inport it into database
ImportCursor = SelShapeFile.Search(null, false);
while ((ImportFeature = ImportCursor.NextFeature()) != null)
{
if (ImportFeature.Shape == null) continue;
ThisFBuffer.Shape = ImportFeature.ShapeCopy;
Comments = "";
Park = "";
SurveyName = "";
//if the shapefile has fields for the boundary fc get, their values
SurveyName = SurveyNameImpIndex == -1 ? "" :
(string)Util.SafeConvert(ImportFeature.get_Value(SurveyNameImpIndex), typeof(string));
SurveyName = SurveyName.Trim();
Comments = CommentsImpIndex == -1 ? "" :
(string)Util.SafeConvert(ImportFeature.get_Value(CommentsImpIndex), typeof(string));
Comments = Comments.Trim();
Park = ParkImpIndex == -1 ? "" :
(string)Util.SafeConvert(ImportFeature.get_Value(ParkImpIndex), typeof(string));
Park = Park.Trim();
//if user didn't check don't ask again and there isn't a survey name field or valid survey name
//value, we will show the form to get user data
if (form.ckbDontAskAgain.Checked == false && string.IsNullOrEmpty(SurveyName) == true)
{
form.txtPark.Text = Park;
form.txtComments.Text = Comments;
form.txtSurveyName.Text = SurveyName;
form.txtSurveyID.Text = Convert.ToString(NextSurveyID);
form.ShowDialog();
Comments = form.txtComments.Text;
Park = form.txtPark.Text;
SurveyName = form.txtSurveyName.Text;
}
//if we don't have a survey name, the survey id will stand in for the
//survey name
SurveyName = string.IsNullOrEmpty(SurveyName.Trim()) ? Convert.ToString(NextSurveyID) : SurveyName;
//set values for new boundary
ThisFBuffer.set_Value(CommentsIndex,Comments);
ThisFBuffer.set_Value(ParkIndex, Park);
ThisFBuffer.set_Value(SurveyNameIndex, SurveyName);
ThisFBuffer.set_Value(SurveyIDIndex, NextSurveyID);
//insert boundary
ThisFCursor.InsertFeature(ThisFBuffer);
//get next valid surveyid
NextSurveyID++;
//count the number of features imported
ImportCount++;
}
ImportCursor = null;
ThisFCursor = null;
MessageBox.Show("Import completed successfully. " + ImportCount + " feature(s) imported.");
}
/// <summary>
/// handler for Editor feature creation event
/// </summary>
public static void OnCreateFeature(ESRI.ArcGIS.Geodatabase.IObject pObject)
{
IFeature ThisFeature = null;
NPSGlobal NPS;
ILayer CurrentLayer;
int SurveyIDIndex, CommentsIndex, ParkIndex, SurveyNameIndex, NextSurveyID;
string ErrorMessage = "", SurveyName;
NPS = NPSGlobal.Instance;
//make sure the tools are active
if (NPS.IsInitialized == false) return;
//make sure object is IFeature
if (!(pObject is IFeature))
return;
//get created feature
ThisFeature = (IFeature)pObject;
//make sure we have a reference to the local editor
if (NPS.Editor == null)
return;
//get the current layer being edited
CurrentLayer = ((IEditLayers)NPS.Editor).CurrentLayer;
//not really necessary to check
if ((CurrentLayer is IFeatureLayer) == false || (CurrentLayer as IFeatureLayer).FeatureClass == null) return;
//we only care when new survey boundaries are created and created by the user, not in code
if (((IDataset)(CurrentLayer as IFeatureLayer).FeatureClass).Name != NPS.LYR_SURVEY_BOUNDARY
|| NPS.ProgramaticFeatureEdit == true)
return;
//get indexes of fields we need to set for the new survey boundary feature
SurveyIDIndex = ThisFeature.Fields.FindField("SurveyID");
SurveyNameIndex = ThisFeature.Fields.FindField("SurveyName");
ParkIndex = ThisFeature.Fields.FindField("Park");
CommentsIndex = ThisFeature.Fields.FindField("Comments");
if (SurveyIDIndex == -1 || SurveyNameIndex == -1 || ParkIndex == -1 || CommentsIndex == -1)
return;
//try to get the next valid survey id
NextSurveyID = Util.NextSurveyID(ref ErrorMessage);
if (string.IsNullOrEmpty(ErrorMessage) == false)
return;
//get the user to enter info for the new survey boundary and save the
//form data to the new survey
using (NewSurveyBoundaryForm form = new NewSurveyBoundaryForm())
{
form.ckbDontAskAgain.Visible = false;
form.txtSurveyID.Text = Convert.ToString(NextSurveyID);
form.ShowDialog();
//if we don't have a survey name, the survey id will stand in for the
//survey name
SurveyName = string.IsNullOrEmpty(form.txtSurveyName.Text.Trim()) ?
Convert.ToString(NextSurveyID) : form.txtSurveyName.Text;
ThisFeature.set_Value(SurveyIDIndex, NextSurveyID);
ThisFeature.set_Value(SurveyNameIndex, SurveyName);
ThisFeature.set_Value(ParkIndex, form.txtPark.Text);
ThisFeature.set_Value(CommentsIndex, form.txtComments.Text);
ThisFeature.Store();
}
}