// Called after returning from the update parameters routine.
// You can examine the messages created from internal validation and change them if desired.
public void UpdateMessages(IArray paramvalues, IGPEnvironmentManager pEnvMgr, IGPMessages Messages)
{
// Check for error messages
IGPMessage msg = (IGPMessage)Messages;
if (msg.IsError())
{
return;
}
// Get the first Input Parameter
IGPParameter parameter = (IGPParameter)paramvalues.get_Element(0);
// UnPackGPValue. This ensures you get the value either form the dataelement or GpVariable (ModelBuilder)
IGPValue parameterValue = m_GPUtilities.UnpackGPValue(parameter);
// Open the Input Dataset - Use DecodeFeatureLayer as the input might be a layer file or a feature layer from ArcMap.
IFeatureClass inputFeatureClass;
IQueryFilter qf;
m_GPUtilities.DecodeFeatureLayer(parameterValue, out inputFeatureClass, out qf);
IGPParameter3 fieldParameter = (IGPParameter3)paramvalues.get_Element(1);
string fieldName = fieldParameter.Value.GetAsText();
// Check if the field already exists and provide a warning.
int indexA = inputFeatureClass.FindField(fieldName);
if (indexA > 0)
{
Messages.ReplaceWarning(1, "Field already exists. It will be overwritten.");
}
return;
}
public void UpdateMessages(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager pEnvMgr, ESRI.ArcGIS.Geodatabase.IGPMessages Messages)
{
IGPUtilities3 gpUtilities3 = new GPUtilitiesClass();
for (int i = 0; i < Messages.Count; i++)
{
IGPMessage blah = Messages.GetMessage(i);
if (blah.IsError())
{
IGPMessage something = new GPMessageClass();
something.Description = String.Empty;
something.Type = esriGPMessageType.esriGPMessageTypeInformative;
something.ErrorCode = 0;
Messages.Replace(i, something);
}
}
IGPParameter inputOSMParameter = paramvalues.get_Element(in_osmFeatureClassNumber) as IGPParameter;
IGPValue inputOSMGPValue = gpUtilities3.UnpackGPValue(inputOSMParameter);
if (inputOSMGPValue.IsEmpty() == false)
{
IFeatureClass osmFeatureClass = null;
ITable osmInputTable = null;
IQueryFilter osmQueryFilter = null;
try
{
gpUtilities3.DecodeFeatureLayer(inputOSMGPValue, out osmFeatureClass, out osmQueryFilter);
osmInputTable = osmFeatureClass as ITable;
}
catch { }
try
{
if (osmInputTable == null)
{
gpUtilities3.DecodeTableView(inputOSMGPValue, out osmInputTable, out osmQueryFilter);
}
}
catch { }
if (osmInputTable == null)
{
return;
}
// find the field that holds tag binary/xml field
int osmTagCollectionFieldIndex = osmInputTable.FindField("osmTags");
if (osmTagCollectionFieldIndex == -1)
{
Messages.ReplaceAbort(in_osmFeatureClassNumber, resourceManager.GetString("GPTools_OSMGPCombineAttributes_inputlayer_missingtagfield"));
return;
}
}
}
public IGPMessages Validate(IArray paramValues,
bool updateValues,
IGPEnvironmentManager envMgr)
{
if (m_util == null) // delay constructor activities.... they segfault arcmap
{
m_util = new GPUtilitiesClass();
m_outp_schema = new AoTable(
AoField.Integer("left_fid"),
AoField.Integer("right_fid")
);
}
IGPMessages ms = m_util.InternalValidate(ParameterInfo,
paramValues,
updateValues,
true,
envMgr);
bool passed = AoGPParameter.ValidateAll(m_parms, paramValues, ms);
IGPMessage m = (IGPMessage)ms;
if (!passed || m.IsError())
{
ms.AddError(2, "An error here.");
return(ms);
}
// TODO: Set up the output schema.
IGPParameter outparam = paramValues.get_Element(3) as IGPParameter;
IGPFeatureLayer fl = outparam.Value as IGPFeatureLayer;
if (fl == null)
{
fl = new GPFeatureLayerClass();
}
fl.DEFeatureClass = new DEFeatureClassClass();
(fl.DEFeatureClass as IDETable).Fields = m_outp_schema.Fields;
// Set up its catalog path / name..
// IDataElement de = (fc as IDataElement;
// if ( (old_val == null || old_val.DEFeatureClass == null) && src_path != null && src_path.DEFeatureClass != null) {
// //src_path = m_util.UnpackGPValue(src_path) as IGPFeatureLayer;
// IDataElement srcde = src_path.DEFeatureClass as IDataElement; // lazy cut-n-paste shortcut
// de.CatalogPath = srcde.GetPath() + "\\" + srcde.GetBaseName() + "_bndgen." + srcde.GetExtension();// old_val.CatalogPath;
// de.Children = srcde.Children;
// de.ChildrenExpanded = srcde.ChildrenExpanded;
// de.MetadataRetrieved = srcde.MetadataRetrieved;
// //de.Name = old_val.Name + "bndgen";
// de.Type = srcde.Type;
// }
m_util.PackGPValue(fl as IGPValue,
outparam);
return(ms);
}
