public object EvaluateVariable(Variable var)
{
var expressionValue = EvaluateVariableExpression(var.GetHashCode());
var actualValue = var.Value;
if (var.Formula == Variable.CALCULATION_NONE)
{
var.Value = expressionValue;
return expressionValue;
}
if (actualValue == null) actualValue = 0.0;
var val = (double) actualValue;
if (var.Formula == Variable.CALCULATION_COUNT)
{
val ++;
var.Value = val;
}
else if (var.Formula == Variable.CALCULATION_SUM)
{
val = var.sum + (double) expressionValue;
var.sum = val;
var.Value = val;
}
else if (var.Formula == Variable.CALCULATION_AVERAGE)
{
}
else if (var.Formula == Variable.CALCULATION_HIGHEST)
{
}
else if (var.Formula == Variable.CALCULATION_LOWEST)
{
}
return val;
}
public Report Parse()
{
var report = new Report();
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (reader.Name)
{
case "MelonReport":
report.Title = reader.GetAttribute("title");
report.Height = XmlConvert.ToInt16(reader.GetAttribute("height"));
report.Width = XmlConvert.ToInt16(reader.GetAttribute("width"));
report.LeftMargin = XmlConvert.ToInt16(reader.GetAttribute("left-margin"));
report.RightMargin = XmlConvert.ToInt16(reader.GetAttribute("right-margin"));
report.TopMargin = XmlConvert.ToInt16(reader.GetAttribute("top-margin"));
report.BottonMargin = XmlConvert.ToInt16(reader.GetAttribute("botton-margin"));
break;
case "Connection":
report.ConnectionString = reader.GetAttribute("String");
break;
case "QueryString":
report.QueryString = reader.ReadString();
break;
case "Field":
var field = new Field(reader.GetAttribute("name")) {Type = reader.GetAttribute("type")};
report.Fields.Add(field);
break;
case "Variable":
var variable = new Variable(reader.GetAttribute("name"))
{
Type = reader.GetAttribute("type"),
Level = reader.GetAttribute("level")
};
if (variable.Level.Equals(Variable.RESET_TYPE_GROUP))
variable.ResetingGroup = reader.GetAttribute("group");
variable.Formula = reader.GetAttribute("formula");
variable.Expression = reader.ReadString();
report.Variables.Add(variable.Name,variable);
break;
case "ReportFont":
var f = new Font(reader.GetAttribute("name"), reader.GetAttribute("fontName"));
if (reader.MoveToAttribute("default"))
f.IsDefault = XmlConvert.ToBoolean(reader.GetAttribute("default"));
report.Fonts.Add(f);
break;
case "Title":
report.PageTitle = ParseBands(reader, "Title", report);
break;
case "ReportHeader":
report.ReportHeader = ParseBands(reader, "ReportHeader", report);
break;
case "PageHeader":
report.PageHeader = ParseBands(reader, "PageHeader", report);
break;
case "Detail":
report.Detail = ParseBands(reader, "Detail", report);
break;
case "PageFooter":
report.PageFooter = ParseBands(reader, "PageFooter", report);
break;
case "Summary":
report.Summary = ParseBands(reader, "Summary", report);
break;
case "Group":
var g = new Group(reader.GetAttribute("name"))
{
Invariant = reader.GetAttribute("invariant"),
GroupHeader = ParseBands(reader, "groupHeader", report),
GroupFooter = ParseBands(reader, "groupFooter", report)
};
if (report.Variables[g.Invariant] == null)
{
throw new Exception("Unknown variable : " + g.Invariant);
}
foreach (var var in report.Variables.Values)
{
if (var.Level.Equals(Variable.RESET_TYPE_GROUP) && var.ResetingGroup.Equals(g.Name))
{
g.GroupChange += var.UpdateMe;
}
}
report.Groups.Add(g);
break;
}
break;
}
}
return report;
}
private static CodeMemberProperty createProperty(Variable variable)
{
var p = new CodeMemberProperty();
p.GetStatements.Add(new CodeSnippetStatement("return (" + variable.Type + ")EvaluateVariable(variables[\"" + variable.Name + "\"]);"));
//p.SetStatements.Add(new CodeSnippetStatement("_" + ((Variable)it.Value).Name+ " = value ;"));
p.Type = new CodeTypeReference(variable.Type);
p.Name = variable.Name;
p.Attributes = MemberAttributes.Public;
return p;
}
private static string Case(Variable variable)
{
return " case " + variable.GetHashCode() + ":\n" +
" o = " + variable.Expression.Trim() + ";\n" +
" break;\n";
}
