/// <summary>
/// add
/// </summary>
/// <param name="pParam"></param>
/// <returns></returns>
public RptParam Add(RptParam pParam)
{
base.Add(pParam.ParamName, pParam);
return(pParam);
}
//画文本对象
private void drawTextObj(Graphics g, DIYReport.Interface.IRptSingleObj pObj, DataRow pDRow)
{
DIYReport.Interface.IRptTextObj textObj = pObj as DIYReport.Interface.IRptTextObj;
StringFormat strFormat = new StringFormat();
SolidBrush foreBrush = new SolidBrush(pObj.ForeColor);
if (textObj.WordWrap == false)
{
strFormat.Trimming = StringTrimming.EllipsisCharacter;
strFormat.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.LineLimit;
}
else
{
strFormat.FormatFlags = StringFormatFlags.LineLimit;
}
strFormat.Alignment = textObj.Alignment;
RectangleF strRect = RealRectangle(textObj);
SizeF fontSize = g.MeasureString("A", textObj.Font);
float fontFirstY = strRect.Y + (textObj.Size.Height - fontSize.Height) / 2;
strRect.Y = fontFirstY;
if (textObj.Type == DIYReport.ReportModel.RptObjType.Text)
{
DIYReport.ReportModel.RptObj.RptLable lab = pObj as DIYReport.ReportModel.RptObj.RptLable;
if (lab.Text != null)
{
g.DrawString(lab.Text, lab.Font, foreBrush, strRect, strFormat);
}
}
else
{
//如果绑定的不是文本而是字段、表达式或者系统参数等，那么就需要对它进行解释并绘制它
string val = "";
DIYReport.ReportModel.RptObj.RptExpressBox box = pObj as DIYReport.ReportModel.RptObj.RptExpressBox;
if (box.DataSource != null && box.DataSource != "" && box.DataSource != "[未绑定]")
{
switch (box.ExpressType)
{
case ReportModel.ExpressType.Express:
int beginIndex = 0, endIndex = 0;
if (box.Section.SectionType == DIYReport.SectionType.ReportBottom) //统计的字段在报表脚，那么是统计所有的行
{
beginIndex = 0;
endIndex = _Rows.Length;
}
else if (box.Section.SectionType == DIYReport.SectionType.PageFooter) //统计的字段在页脚，那么是统计当前页所有的行
{
beginIndex = _HasDrawRowCount - _RowPoint;
endIndex = _HasDrawRowCount;
}
else if (box.Section.SectionType == DIYReport.SectionType.GroupFooter) //统计的字段在分组的脚，那么统计分组涉及到的行
{
DIYReport.Print.DrawGroupField groupField = _DrawDetailInfo.GetGroupFieldByName(box.Section.GroupField.FieldName);
beginIndex = groupField.PrevFirstRowIndex;
endIndex = _HasDrawRowCount;
}
else
{
//g.DrawString("不支持的表达式",box.Font,foreBrush,strRect,strFormat);
g.DrawString(string.Empty, box.Font, foreBrush, strRect, strFormat);
break;
}
val = DIYReport.Express.ExStatistical.GetStatisticalValue(beginIndex, endIndex - 1, box.DataSource, box.BingDBFieldName, _Rows);
if (val == null)
{
val = " ";
}
double dval = DIYReport.PublicFun.ToDouble(val);
if (box.FormatStyle != null && box.FormatStyle != "")
{
try{
//val = String.Format(box.FormatStyle,dval);
val = DIYReport.PublicFun.FormatString(box.FormatStyle.Trim(), dval);
}
catch {}
}
g.DrawString(val, box.Font, foreBrush, strRect, strFormat);
break;
case ReportModel.ExpressType.SysParam: //系统参数
Type clsType = System.Type.GetType("DIYReport.Express.ExSpecial");
MethodInfo meth = clsType.GetMethod(box.DataSource);
if (meth != null)
{
object speTxt = meth.Invoke(clsType, null);
val = speTxt.ToString();
}
g.DrawString(val, box.Font, foreBrush, strRect, strFormat);
break;
case ReportModel.ExpressType.UserParam: //用户外部参数
DIYReport.ReportModel.RptParam param = DIYReport.UserDIY.DesignEnviroment.CurrentReport.UserParamList[box.DataSource];
if (param != null)
{
g.DrawString(param.Value.ToString(), box.Font, foreBrush, strRect, strFormat);
}
break;
case ReportModel.ExpressType.Field: //用户绑定字段
// string str = "";
// if(pDRow!=null)
// str = pDRow[box.DataSource].ToString();
// g.DrawString(str,box.Font ,foreBrush,RealRectangle(box) ,strFormat);
DrawField(g, pDRow, box, foreBrush, strRect, strFormat);
break;
default:
break;
}
}
}
if (textObj.ShowFrame == true)
{
drawRect(g, pObj);
}
}