public string GetLabel(Layer _Layer, ref Shape _Shape, ref Theme _Theme, CustomLabel _CustomLabel, ref Legend _Legend)
{
int i;
int j;
string Label = "";
//*** BugFix 06 Feb 2006 No label field selected
string Delimiter = " ";
int IndentSpace = 3;
char[] Fields;
bool Indented;
if ((_Theme == null))
{
//*** Custom and Feature Layers
if (_CustomLabel == null)
{
if (_Layer.LabelMultirow == true)
Delimiter = "\r\n"; //initially it was: ControlChars.CrLf (line feed)
Fields = _Layer.LabelField.Replace(",", "").ToCharArray();
}
else
{
if (_CustomLabel.MultiRow == true)
Delimiter = "\r\n"; //initially it was: ControlChars.CrLf (line feed)
Fields = _CustomLabel.LabelField.Replace(",", "").ToCharArray();
}
if (Array.IndexOf(Fields, "0"[0]) > -1)
Label = _Shape.AreaId + Delimiter;
if (Array.IndexOf(Fields, char.Parse("1")) > -1)
{
if (_Layer.LabelMultirow == true)
{
if (Label == "")
{
Label += _Shape.AreaName;
}
else
{
if (_Layer.LabelIndented == true)
Label += new string(' ', IndentSpace);
Label += _Shape.AreaName;
}
}
else
{
Label += _Shape.AreaName;
}
}
}
else
{
//*** Base Layers
if (_CustomLabel == null)
{
if (_Legend == null)
{
if (_Layer.LabelMultirow == true)
Delimiter = "\r\n"; //initially it was: ControlChars.CrLf (line feed)
Fields = _Layer.LabelField.Replace(",", "").ToCharArray();
Indented = _Layer.LabelIndented;
}
else
{
if (_Legend.LabelMultiRow == true)
Delimiter = "\r\n"; //initially it was: ControlChars.CrLf (line feed)
Fields = _Legend.LabelField.Replace(",", "").ToCharArray();
Indented = _Legend.LabelIndented;
}
}
else
{
if (_CustomLabel.MultiRow == true)
Delimiter = "\r\n"; //initially it was: ControlChars.CrLf (line feed)
Fields = _CustomLabel.LabelField.Replace(",", "").ToCharArray();
Indented = _CustomLabel.Indent;
}
if (_Theme.AreaIndexes.ContainsKey(_Shape.AreaId))
{
j = 0;
for (i = 0; i <= Fields.Length - 1; i++)
{
switch (Fields[i])
{
case '0':
Label += _Shape.AreaId + Delimiter;
j = j + 1;
break;
case '1':
if (Indented == true)
Label += new string(' ', j * IndentSpace);
Label += ((AreaInfo)_Theme.AreaIndexes[_Shape.AreaId]).AreaName + Delimiter;
j = j + 1;
break;
case '2':
if (Indented == true)
Label += new string(' ', j * IndentSpace);
//Label += ((AreaInfo)_Theme.AreaIndexes[_Shape.AreaId]).DataValue + Delimiter;
//Textual dataValue is also displayed on Map Label, so property AreaInfo.DisplayInfo is used.
Label += ((AreaInfo)_Theme.AreaIndexes[_Shape.AreaId]).DisplayInfo + Delimiter;
j = j + 1;
break;
case '3':
if (Indented == true)
Label += new string(' ', j * IndentSpace);
Label += _Theme.UnitName + Delimiter;
j = j + 1;
break;
case '4':
if (Indented == true)
Label += new string(' ', j * IndentSpace);
//Label += _Theme.SubgroupName(0) & Delimiter
//*** BugFix 21 Sep 2006 Subgroup label error
Label += ((AreaInfo)_Theme.AreaIndexes[_Shape.AreaId]).Subgroup + Delimiter;
j = j + 1;
break;
case '5':
if (Indented == true)
Label += new string(' ', j * IndentSpace);
Label += ((AreaInfo)_Theme.AreaIndexes[_Shape.AreaId]).Time + Delimiter;
break;
}
}
Label = Label.Trim(Delimiter.ToCharArray());
}
else
{
if (this._ShowLabelWhereDataExists)
{
//- If label is not required for Areas NOT having Data,
// then set blank label.
Label = string.Empty;
}
else
{
Hashtable AreaNames = _Layer.AreaNames;
string AreaName;
if (Array.IndexOf(Fields, "0"[0]) > -1)
Label = _Shape.AreaId + Delimiter;
if (Array.IndexOf(Fields, char.Parse("1")) > -1)
{
if (AreaNames.ContainsKey(_Shape.AreaId))
{
//Get language specific AreaName from Database if it exists
AreaName = (string)AreaNames[_Shape.AreaId];
}
else
{
//Get Shapefile Area Name
AreaName = _Shape.AreaName;
}
if (_Layer.LabelMultirow == true)
{
if (Label == "")
{
Label += AreaName;
}
else
{
if (_Layer.LabelIndented == true)
Label += new string(' ', IndentSpace);
Label += AreaName;
}
}
else
{
Label += AreaName;
}
}
}
}
}
return Label;
}
public string GetLabel(Layer _Layer, ref Shape _Shape, ref Theme _Theme, CustomLabel _CustomLabel)
{
Legend _Legend = null;
return GetLabel(_Layer, ref _Shape, ref _Theme, _CustomLabel, ref _Legend);
}