public MG_Field(MG_Field f)
{
this.Name = f.Name;
this.Type = f.Type;
this.Width = f.Width;
this.Precision = f.Precision;
}
public MG_Field(MG_Field f)
{
this.Name = f.Name;
this.Type = f.Type;
this.Width = f.Width;
this.Precision = f.Precision;
}
public MG_Feature(MG_Feature f)
{
this.FieldSet = new MG_FieldSet();
this.ValueSet = new MG_ValueSet();
this.Geometry = new MG_Geometry();
this.Symbol = new MG_Symbol();
for (int i = 0; i < f.GetFieldCount(); i++)
{
MG_Field field = f.GetFieldSet().GetAt(i);
MG_Field newField = new MG_Field(field);
this.FieldSet.Add(newField);
MG_Value value = f.GetValue(i);
MG_Value newValue = new MG_Value(value);
this.ValueSet.Add(newValue);
}
MG_Geometry g = f.GetGeometry();
MG_Geometry newGeom = new MG_Geometry();
switch (g.Type)
{
case MG_GeometryType.NONE:
break;
case MG_GeometryType.POINT:
newGeom = new MG_Point(g as MG_Point);
break;
case MG_GeometryType.MULTIPOINT:
newGeom = new MG_MultiPoint(g as MG_MultiPoint);
break;
case MG_GeometryType.LINESTRING:
newGeom = new MG_LineString(g as MG_LineString);
break;
case MG_GeometryType.MULTILINESTRING:
newGeom = new MG_MultiLineString(g as MG_MultiLineString);
break;
case MG_GeometryType.POLYGON:
newGeom = new MG_Polygon(g as MG_Polygon);
break;
case MG_GeometryType.MULTIPOLYGON:
newGeom = new MG_MultiPolygon(g as MG_MultiPolygon);
break;
}
this.Geometry = newGeom;
MG_Symbol newSymbol = new MG_Symbol(f.GetSymbol());
this.Symbol = newSymbol;
}
public MG_Feature(MG_Feature f)
{
this.FieldSet = new MG_FieldSet();
this.ValueSet = new MG_ValueSet();
this.Geometry = new MG_Geometry();
this.Symbol = new MG_Symbol();
for (int i = 0; i < f.GetFieldCount();i++ )
{
MG_Field field = f.GetFieldSet().GetAt(i);
MG_Field newField = new MG_Field(field);
this.FieldSet.Add(newField);
MG_Value value = f.GetValue(i);
MG_Value newValue = new MG_Value(value);
this.ValueSet.Add(newValue);
}
MG_Geometry g = f.GetGeometry();
MG_Geometry newGeom = new MG_Geometry();
switch (g.Type)
{
case MG_GeometryType.NONE:
break;
case MG_GeometryType.POINT:
newGeom = new MG_Point(g as MG_Point);
break;
case MG_GeometryType.MULTIPOINT:
newGeom = new MG_MultiPoint(g as MG_MultiPoint);
break;
case MG_GeometryType.LINESTRING:
newGeom = new MG_LineString(g as MG_LineString);
break;
case MG_GeometryType.MULTILINESTRING:
newGeom = new MG_MultiLineString(g as MG_MultiLineString);
break;
case MG_GeometryType.POLYGON:
newGeom = new MG_Polygon(g as MG_Polygon);
break;
case MG_GeometryType.MULTIPOLYGON:
newGeom = new MG_MultiPolygon(g as MG_MultiPolygon);
break;
}
this.Geometry = newGeom;
MG_Symbol newSymbol = new MG_Symbol(f.GetSymbol());
this.Symbol = newSymbol;
}
private void newField_Click(object sender, EventArgs e)
{
MG_Layer layer = this.getSelectedLayer();
// new a field
MG_Field field = new MG_Field();
MG_DlgNewField dlg = new MG_DlgNewField();
dlg.InitializeFieldName(field.Name);
dlg.InitializeFieldTypes();
dlg.ShowDialog();
field.Name = dlg.GetFieldName();
field.Type = dlg.GetFieldType();
//add field to layer
layer.AddField(field);
// set state
this.setState();
}
public void Add(MG_Field field)
{
this.Fields.Add(field);
}
public void Add(MG_Field field)
{
this.Fields.Add(field);
}
public void AddField(MG_Field field)
{
this.FieldSet.Add(field);
}
public void AddField(MG_Field field)
{
this.FieldSet.Add(field);
}
protected MG_FieldSet GetFieldSet(string table)
{
ArrayList columns = this.GetColumnNames(table);
ArrayList types = this.GetColumnTypes(table);
if (columns == null || types == null)
return null;
int columnCount = columns.Count;
int typeCount = types.Count;
if (columnCount != typeCount)
return null;
MG_FieldSet fieldSet = new MG_FieldSet(table);
// oid .... geom
for (int i = 0; i < columnCount;i++ )
{
string column = columns[i].ToString();
string type = types[i].ToString();
if (!column.Equals("oid") && !column.Equals("geom"))
{
// oid name geom no length
// integer character varying USER-DEFINED integer double precision
MG_FieldDBType dbType = MG_FieldDBType.VARCHAR;
if (type.Equals("integer"))
{
dbType = MG_FieldDBType.INTEGER;
}
else if (type.Equals("character varying"))
{
dbType = MG_FieldDBType.VARCHAR;
}
else if (type.Equals("double precision"))
{
dbType = MG_FieldDBType.FLOAT8;
}
MG_Field field = new MG_Field(column,dbType);
fieldSet.Add(field);
}
}
return fieldSet;
}
