//绘制字段分组的脚
//返回 true 表示还没有结束
private bool drawGroupFoot(Graphics g)
{
if (_GroupFoots.Count > 0)
{
int count = _GroupFoots.Count;
//_HasDrawDetailHeight
for (int i = 0; i < count; i++)
{
DIYReport.ReportModel.RptSection section = _GroupFoots.Peek() as DIYReport.ReportModel.RptSection;
if (section.Visibled)
{
int tempHeight = _HasDrawDetailHeight + section.Height;
if (tempHeight > REAL_DETAIL_HEIGHT)
{
return(true);
}
section = _GroupFoots.Pop() as DIYReport.ReportModel.RptSection;
DrawGroupField groupField = _DrawDetailInfo.GetGroupFieldByName(section.GroupField.FieldName);
groupField.HasDrawGroupHead = false;
DIYReport.Express.ExSpecial._RowOrderNO = 0;
foreach (RptSingleObj obj in section.RptObjList)
{
DrawRptSimpleObj(g, obj, _Rows[_HasDrawRowCount - 1]);
}
_HasDrawDetailHeight += section.Height;
}
}
}
return(false);
}
/// <summary>
/// 得到绘制分组对应字段处理信息
/// </summary>
/// <param name="pFieldName">分组的字段名称</param>
/// <returns></returns>
public DrawGroupField GetGroupFieldByName(string pFieldName)
{
int count = _GroupFields.Count;
for (int i = 0; i < count; i++)
{
DrawGroupField field = _GroupFields[i] as DrawGroupField;
if (field.GroupFieldName == pFieldName)
{
return(field);
}
}
return((DrawGroupField)null);
}
/// <summary>
/// 打印之前需要初始化的数据
/// </summary>
public void BeginPrint()
{
HasDrawRowCount = 0;
PageNumber = 1;
DIYReport.Express.ExSpecial._Page = 1;
DIYReport.Express.ExSpecial._PageCount = 1;
DIYReport.Express.ExSpecial._RowOrderNO = 0;
_GroupFoots.Clear();
_GroupHeads.Clear();
foreach (object field in _DrawDetailInfo.GroupFields)
{
DrawGroupField groupField = field as DrawGroupField;
groupField.CurrGroupValue = null;
}
}
/// <summary>
/// 根据DesignEnviroment中的DesignField构造出一个绘制Detail临时存储的信息
/// </summary>
/// <param name="pDataReport"></param>
public DrawDetailInfo(DIYReport.ReportModel.RptReport report)
{
//-1 表示当前页还没有开始绘制
_CurrPageFirstRowIndex = -1;
_CurrPageNumber = -1;
IList fieldList = report.DesignField;
//对分组的字段进行排序，以获取分组字段的顺序
(fieldList as ArrayList).Sort(new FieldSortComparer());
_GroupFields = new ArrayList();
foreach (DIYReport.GroupAndSort.RptFieldInfo field in fieldList)
{
if (field.IsGroup)
{
DrawGroupField drwafield = new DrawGroupField(-1, field.FieldName);
_GroupFields.Add(drwafield);
}
}
}
//分析字段的Group Section信息，并存储在对应的队列和栈中
private void analyseGroupSection(int pRowIndex)
{
int rowCount = _Rows.Length;
IList fields = _DrawDetailInfo.GroupFields;
bool isEnd = false;
if (fields != null && fields.Count > 0)
{
int count = fields.Count;
int drawFoot = -1;
int iniGroupIndex = 0;
if (pRowIndex < rowCount)
{
DataRow dRow = _Rows[pRowIndex];
bool mustDrawHead = false;
for (int i = iniGroupIndex; i < count; i++)
{
DrawGroupField groupField = fields[i] as DrawGroupField;
string fieldName = groupField.GroupFieldName;
object val = dRow[fieldName];
DIYReport.ReportModel.RptSection section = _DataReport.SectionList.GetByGroupField(fieldName, true);
//判断行的值和已经绘制的grou p section head 中正在分析的字段的值是否相同
bool inTheGroup = !mustDrawHead && DIYReport.GroupAndSort.GroupDataProcess.ValueInTheGroup(section, groupField.CurrGroupValue, val);
groupField.CurrGroupValue = val;
if (!inTheGroup && !mustDrawHead)
{
drawFoot = i;
mustDrawHead = true;
}
if (!groupField.HasDrawGroupHead || mustDrawHead)
{
//把需要绘制的group section 的head 添加到队列的结尾
groupField.PrevFirstRowIndex = groupField.FirstRowIndex == -1?0:groupField.FirstRowIndex;
groupField.FirstRowIndex = _HasDrawRowCount;
_GroupHeads.Enqueue(section);
}
}
}
else
{
drawFoot = 0;
isEnd = true;
}
if (drawFoot > -1)
{
for (int i = drawFoot; i < count; i++)
{
DrawGroupField groupField = fields[i] as DrawGroupField;
if (isEnd)
{
groupField.PrevFirstRowIndex = groupField.FirstRowIndex;
}
//groupField.FirstRowIndex = groupField.PrevFirstRowIndex;
string fieldName = groupField.GroupFieldName;
DIYReport.ReportModel.RptSection section = _DataReport.SectionList.GetByGroupField(fieldName, false);
//把需要绘制的group section 的footer 压到栈中
_GroupFoots.Push(section);
//groupField.HasDrawGroupHead = false;
} // end for(int i = drawFoot; i <count;i++){
} //end drawFoot > -1
} // end fields!=null && fields.Count >0
}
