////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* constructor.
*/
internal DataTable(TabularData tabularData, DataField[] fields, int recordCount)
{
_tabularData = tabularData;
Fields = fields;
_recordCount = recordCount;
_currentIndex = 1;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Open the map layer.
*/
public void Open()
{
if (!_opened)
{
_opened = true;
_mapFile.Open();
DataTable = new DataTable(_mapFile.TabularData, _mapFile.Header.Fields,
_mapFile.Header.RecordCount);
int foundName = -1;
for (int i = 0; i < _mapFile.Header.Fields.Length; i++)
{
KeyField = _mapFile.Header.Fields[i];
if (KeyField.GetName().ToLower().StartsWith("name"))
{
foundName = i;
_keyFieldIndex = i;
break;
}
}
if (foundName == -1)
{
for (int i = 0; i < _mapFile.Header.Fields.Length; i++)
{
KeyField = _mapFile.Header.Fields[i];
if (KeyField.GetFieldType() == DataField.TYPE_CHAR)
{
foundName = i;
_keyFieldIndex = i;
break;
}
}
}
if (foundName == -1)
{
KeyField = _mapFile.Header.Fields[0];
_keyFieldIndex = 0;
}
if (_mapFile.Header.DominantType.ToUpper().Equals("POINT"))
{
PredominantFeatureType = FEATURE_TYPE_POINT;
}
else if (_mapFile.Header.DominantType.ToUpper().Equals("PLINE"))
{
PredominantFeatureType = FEATURE_TYPE_PLINE;
}
else
{
PredominantFeatureType = FEATURE_TYPE_REGION;
}
Bounds = _mapFile.Header.MapBounds;
}
}
