protected override void OnClick()
{
bool bShowProgressor = false;
IStepProgressor pStepProgressor = null;
//Create a CancelTracker.
ITrackCancel pTrackCancel = null;
IProgressDialogFactory pProgressorDialogFact;
IMouseCursor pMouseCursor = new MouseCursorClass();
pMouseCursor.SetCursor(2);
//first get the selected parcel features
UID pUID = new UIDClass();
pUID.Value = "{114D685F-99B7-4B63-B09F-6D1A41A4DDC1}";
ICadastralExtensionManager2 pCadExtMan = (ICadastralExtensionManager2)ArcMap.Application.FindExtensionByCLSID(pUID);
ICadastralEditor pCadEd = (ICadastralEditor)ArcMap.Application.FindExtensionByCLSID(pUID);
//check if there is a Manual Mode "modify" job active ===========
ICadastralPacketManager pCadPacMan = (ICadastralPacketManager)pCadExtMan;
if (pCadPacMan.PacketOpen)
{
MessageBox.Show("The Delete linepoint command cannot be used when there is an open job.\r\nPlease finish or discard the open job, and try again.",
"Delete Selected LinePoints");
return;
}
IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");
IActiveView pActiveView = ArcMap.Document.ActiveView;
IMap pMap = pActiveView.FocusMap;
ICadastralFabric pCadFabric = null;
clsFabricUtils FabricUTILS = new clsFabricUtils();
IProgressDialog2 pProgressorDialog = null;
//if we're in an edit session then grab the target fabric
if (pEd.EditState == esriEditState.esriStateEditing)
pCadFabric = pCadEd.CadastralFabric;
if (pCadFabric == null)
{//find the first fabric in the map
if (!FabricUTILS.GetFabricFromMap(pMap, out pCadFabric))
{
MessageBox.Show
("No Parcel Fabric found in the map.\r\nPlease add a single fabric to the map, and try again.");
return;
}
}
IArray CFLinePointLayers = new ArrayClass();
if (!(FabricUTILS.GetLinePointLayersFromFabric(pMap, pCadFabric, out CFLinePointLayers)))
return; //no fabric sublayers available for the targeted fabric
bool bIsFileBasedGDB = false; bool bIsUnVersioned = false; bool bUseNonVersionedDelete = false;
IWorkspace pWS = null;
ITable pLinePointTable = null;
try
{
if (pEd.EditState == esriEditState.esriStateEditing)
{
try
{
pEd.StartOperation();
}
catch
{
pEd.AbortOperation();//abort any open edit operations and try again
pEd.StartOperation();
}
}
IFeatureLayer pFL = (IFeatureLayer)CFLinePointLayers.get_Element(0);
IDataset pDS = (IDataset)pFL.FeatureClass;
pWS = pDS.Workspace;
if (!FabricUTILS.SetupEditEnvironment(pWS, pCadFabric, pEd, out bIsFileBasedGDB,
out bIsUnVersioned, out bUseNonVersionedDelete))
return;
//loop through each linepoint layer and
//Get the selection of linepoints
int iCnt = 0;
int iTotalSelectionCount = 0;
for (; iCnt < CFLinePointLayers.Count; iCnt++)
{
pFL = (IFeatureLayer)CFLinePointLayers.get_Element(iCnt);
IFeatureSelection pFeatSel = (IFeatureSelection)pFL;
ISelectionSet2 pSelSet = (ISelectionSet2)pFeatSel.SelectionSet;
iTotalSelectionCount += pSelSet.Count;
}
if (iTotalSelectionCount == 0)
{
MessageBox.Show("Please select some line points and try again.", "No Selection",
MessageBoxButtons.OK, MessageBoxIcon.Information);
if (bUseNonVersionedDelete)
{
pCadEd.CadastralFabricLayer = null;
CFLinePointLayers = null;
}
return;
}
bShowProgressor = (iTotalSelectionCount > 10);
if (bShowProgressor)
{
pProgressorDialogFact = new ProgressDialogFactoryClass();
pTrackCancel = new CancelTrackerClass();
pStepProgressor = pProgressorDialogFact.Create(pTrackCancel, ArcMap.Application.hWnd);
pProgressorDialog = (IProgressDialog2)pStepProgressor;
pStepProgressor.MinRange = 1;
pStepProgressor.MaxRange = iTotalSelectionCount;
pStepProgressor.StepValue = 1;
pProgressorDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
}
//loop through each linepoint layer and
//delete from its selection
m_pQF = new QueryFilterClass();
iCnt = 0;
for (; iCnt < CFLinePointLayers.Count; iCnt++)
{
pFL = (IFeatureLayer)CFLinePointLayers.get_Element(iCnt);
IFeatureSelection pFeatSel = (IFeatureSelection)pFL;
ISelectionSet2 pSelSet = (ISelectionSet2)pFeatSel.SelectionSet;
ISQLSyntax pSQLSyntax = (ISQLSyntax)pWS;
string sPref = pSQLSyntax.GetSpecialCharacter(esriSQLSpecialCharacters.esriSQL_DelimitedIdentifierPrefix);
string sSuff = pSQLSyntax.GetSpecialCharacter(esriSQLSpecialCharacters.esriSQL_DelimitedIdentifierSuffix);
if (bShowProgressor)
{
pProgressorDialog.ShowDialog();
pStepProgressor.Message = "Collecting line point data...";
}
//Add the OIDs of all the selected linepoints into a new feature IDSet
bool bCont = true;
m_pFIDSetLinePoints = new FIDSetClass();
ICursor pCursor = null;
pSelSet.Search(null, false, out pCursor);//code deletes all selected line points
IFeatureCursor pLinePointFeatCurs = (IFeatureCursor)pCursor;
IFeature pLinePointFeat = pLinePointFeatCurs.NextFeature();
while (pLinePointFeat != null)
{
//Check if the cancel button was pressed. If so, stop process
if (bShowProgressor)
{
bCont = pTrackCancel.Continue();
if (!bCont)
break;
}
bool bExists = false;
m_pFIDSetLinePoints.Find(pLinePointFeat.OID, out bExists);
if (!bExists)
m_pFIDSetLinePoints.Add(pLinePointFeat.OID);
Marshal.ReleaseComObject(pLinePointFeat); //garbage collection
pLinePointFeat = pLinePointFeatCurs.NextFeature();
if (bShowProgressor)
{
if (pStepProgressor.Position < pStepProgressor.MaxRange)
pStepProgressor.Step();
}
}
Marshal.ReleaseComObject(pCursor); //garbage collection
if (!bCont)
{
AbortEdits(bUseNonVersionedDelete, pEd, pWS);
return;
}
if (bUseNonVersionedDelete)
{
if (!FabricUTILS.StartEditing(pWS, bIsUnVersioned))
{
if (bUseNonVersionedDelete)
pCadEd.CadastralFabricLayer = null;
return;
}
}
//delete all the line point records
if (bShowProgressor)
pStepProgressor.Message = "Deleting selected line points...";
bool bSuccess = true;
pLinePointTable = (ITable)pCadFabric.get_CadastralTable(esriCadastralFabricTable.esriCFTLinePoints);
if (!bUseNonVersionedDelete)
bSuccess = FabricUTILS.DeleteRowsByFIDSet(pLinePointTable, m_pFIDSetLinePoints, pStepProgressor, pTrackCancel);
if (bUseNonVersionedDelete)
bSuccess = FabricUTILS.DeleteRowsUnversioned(pWS, pLinePointTable,
m_pFIDSetLinePoints, pStepProgressor, pTrackCancel);
if (!bSuccess)
{
AbortEdits(bUseNonVersionedDelete, pEd, pWS);
return;
}
}
if (bUseNonVersionedDelete)
FabricUTILS.StopEditing(pWS);
if (pEd.EditState == esriEditState.esriStateEditing)
pEd.StopOperation("Delete Line Points");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
finally
{
RefreshMap(pActiveView, CFLinePointLayers);
//update the TOC
IMxDocument mxDocument = (ESRI.ArcGIS.ArcMapUI.IMxDocument)(ArcMap.Application.Document);
for (int i = 0; i < mxDocument.ContentsViewCount; i++)
{
IContentsView pCV = (IContentsView)mxDocument.get_ContentsView(i);
pCV.Refresh(null);
}
if (pProgressorDialog != null)
pProgressorDialog.HideDialog();
if (bUseNonVersionedDelete)
{
pCadEd.CadastralFabricLayer = null;
CFLinePointLayers = null;
}
if (pMouseCursor != null)
pMouseCursor.SetCursor(0);
}
}
