/// <summary>
/// 绑定数据源,把模板的标签写入数据
/// </summary>
public void DataBind()
{
if (string.IsNullOrEmpty(this.TemplateFileName))
{
this.bindBlankTemplate();
return;
}
this.initTemplate();
//有参数表,更新模板的参数表数据字段
if (this.dataSource.Tables.Contains("参数表"))
{
DataTable tabparam = this.dataSource.Tables["参数表"];
if (tabparam.Rows.Count > 0)
{
DataRow drparam = tabparam.Rows[0];
XmlNodeList xncells = this.xmldoc.SelectNodes("/*/ss:Worksheet/ss:Table/ss:Row/ss:Cell/ss:Data", this.xmlNsMgl);
foreach (XmlNode xn in xncells)
{
if (!(xn is XmlElement))
continue;
this.BindData(xn as XmlElement, drparam);
}
}
}
XmlElement xeTemplate = this.xmldoc.SelectSingleNode("/*/ss:Worksheet", this.xmlNsMgl) as XmlElement;
XmlElement xeTpClone = xeTemplate.Clone() as XmlElement;
//清除模板表格
XmlNode xnRow = xeTemplate.SelectSingleNode(".//ss:Row", this.xmlNsMgl);
while (null != xnRow)
{
XmlNode xnT = xnRow.NextSibling;
if ("Row" == xnRow.LocalName)
xnRow.ParentNode.RemoveChild(xnRow);
xnRow = xnT;
}
//初始化绑定区域结果主从关系
IDictionary<string, BindResult> listResult = new Dictionary<string, BindResult>();
BindResult rootResult = new BindResult();
rootResult.boundResult = Bound.ParseBound("A1:A1");
foreach (PrintInfo pinfo in this.printInfos)
{
string key = pinfo.DbName;
if (!this.dataSource.Tables.Contains(key) && PrintType.Data==pinfo.RegionType)
continue;
BindResult bindInstance = new BindResult();
bindInstance.rowIndex = 0;
bindInstance.printInfo = pinfo;
listResult.Add(pinfo.DbName, bindInstance);
}
for (int i=0;i<this.printInfos.Count;i++)
{
string key = this.printInfos[i].DbName;
PrintInfo pinfo = this.printInfos[i];
DataRelation rf = null;
if (PrintType.Text == pinfo.RegionType)
{
foreach (PrintInfo p in this.printInfos)
{
if (PrintType.Data != p.RegionType || !this.dataSource.Tables.Contains(p.DbName))
continue;
if (pinfo.GroupName != p.GroupName)
continue;
if (this.dataSource.Tables[p.DbName].ParentRelations.Count < 1)
continue;
rf = this.dataSource.Tables[p.DbName].ParentRelations[0];
break;
}
}
else
{
if (this.dataSource.Tables[key].ParentRelations.Count < 1)
continue;
rf = this.dataSource.Tables[key].ParentRelations[0];
}
if (null == rf) continue;
BindResult rsParent = listResult[rf.ParentTable.TableName];
BindResult bindrs = listResult[key];
rsParent.resultChildren.Add(key, bindrs);
bindrs.parentResult = rsParent;
}
for (int i = 0; i < this.printInfos.Count; i++)
{
string key = this.printInfos[i].DbName;
BindResult bindrs = listResult[key];
if (rootResult.boundResult.Right < bindrs.printInfo.PgBound.Right)
rootResult.boundResult.Right = bindrs.printInfo.PgBound.Right;
if (rootResult.boundResult.Bottom < bindrs.printInfo.PgBound.Bottom)
rootResult.boundResult.Bottom = bindrs.printInfo.PgBound.Bottom;
if (null != bindrs.parentResult)
listResult.Remove(key);
else
rootResult.resultChildren.Add(key,bindrs);
}
string pagePrint = "类型=文本\n数据表=页\n页范围=A1:{0}{1}\n行范围=A1:{0}{1}";
string col="";
int colindex = rootResult.boundResult.Right;
while (colindex > 0)
{
int mod = colindex % 27;
if (colindex > 26) mod += 1;
col = Convert.ToString(Convert.ToChar(mod + Convert.ToInt16('A') - 1)) + col;
colindex = colindex / 27;
}
pagePrint = string.Format(pagePrint, col , rootResult.boundResult.Bottom);
rootResult.printInfo = PrintInfo.SerialFromString(pagePrint);
rootResult.boundRow = rootResult.boundResult;
//按照数据源的表个数循环,行号-1表示已经绑定完,子级数据递归绑定
//把结果页xeTp加入文档
XmlElement xeTable = this.xmldoc.SelectSingleNode("/*/ss:Worksheet/ss:Table", this.xmlNsMgl) as XmlElement;
while (true)
{
bool isBreak = true;
foreach (BindResult bindInstance in listResult.Values)
{
if (bindInstance.rowIndex < 0)
continue;
isBreak = false; break;
}
if (isBreak) break;
//分页绑定
XmlElement xeTp = xeTpClone.CloneNode(true) as XmlElement;
foreach (BindResult rs in listResult.Values)
{
rs.boundResult = null;
rs.boundRow = null;
}
foreach (PrintInfo pinfo in this.printInfos)
{
if (!listResult.ContainsKey(pinfo.DbName))
continue;
BindResult rs = listResult[pinfo.DbName];
if (rs.rowIndex < 0 && PrintType.Data == rs.printInfo.RegionType)
continue;
rs.xeTemplate = xeTp;
rootResult.initChildBound(pinfo.DbName);
if (null == rs.boundResult)
continue;
//子级范围
if (PrintType.Text == pinfo.RegionType && !rootResult.isComplete(pinfo.DbName))
{
this.CopyCell(xeTpClone, pinfo.RowBound, rs.xeTemplate, rs.boundResult.Left, rs.boundResult.Top);
rs.rowIndex = -1;
}
else if (PrintType.Data == pinfo.RegionType && this.dataSource.Tables.Contains(pinfo.DbName))
{
DataRow[] drs = this.dataSource.Tables[pinfo.DbName].Select();
this.BindNode(xeTpClone, drs, rs);
}
}
xnRow = xeTp.SelectSingleNode(".//ss:Row", this.xmlNsMgl);
while (null != xnRow)
{
XmlNode xnT = xnRow.NextSibling;
if ("Row" == xnRow.LocalName)
xeTable.AppendChild(xnRow);
xnRow = xnT;
}
}//while (true)
//合并单元格
this.MergeCell(xeTemplate);
}
/// <summary>
/// 数据源页内绑定模板,完成绑定则返回-1,非法返回null,内范围超限返回
/// </summary>
/// <param name="xeTemplate">独立模板</param>
/// <param name="drs">数据记录集</param>
/// <param name="bindEnv">当前绑定结果:当前行及范围</param>
/// <returns>绑定结果:rowIndex=-1表示绑定完毕</returns>
private BindResult BindNode(XmlElement xeTemplate, DataRow[] drs, BindResult bindEnv)
{
//检查
if (null == xeTemplate || null == drs || drs.Length < 1 || null == bindEnv
|| null == bindEnv.xeTemplate || bindEnv.rowIndex < 0 || bindEnv.rowIndex >= drs.Length)
{ if (null != bindEnv) bindEnv.rowIndex = -1; return bindEnv; }
DataTable tab=drs[0].Table;
string dbName = tab.TableName;
if (!this.printInfoList.Keys.Contains(dbName))
{ if (null != bindEnv) bindEnv.rowIndex = -1; return bindEnv; }
ICollection<String> pinfoKeys = this.printInfoList.Keys;
PrintInfo pinfo = this.printInfoList[dbName];
if (null == bindEnv.boundResult)
bindEnv.boundResult = Bound.ParseBound(pinfo.RowBound);
bindEnv.boundRow = new Bound();
//当前行位置ileft,itop
int ileft = bindEnv.boundResult.Left;
int itop = bindEnv.boundResult.Top;
while (bindEnv.rowIndex < drs.Length)
{
//复制模板区域
bindEnv.boundRow.Left = ileft;
bindEnv.boundRow.Top = itop;
bindEnv.boundResult.Right = bindEnv.boundRow.Right = ileft + (pinfo.RwBound.Right - pinfo.RwBound.Left);
bindEnv.boundResult.Bottom =bindEnv.boundRow.Bottom = itop + (pinfo.RwBound.Bottom - pinfo.RwBound.Top);
this.CopyCell(xeTemplate, pinfo.RowBound, bindEnv.xeTemplate, ileft, itop);
//更新父项的结果区域
BindResult childResult = bindEnv;
BindResult parentResult = bindEnv.parentResult;
while (null != parentResult)
{
Bound bdP = parentResult.boundResult;
Bound bdC = childResult.boundResult;
if (bdP.Right >= bdC.Right && bdP.Bottom >= bdC.Bottom)
break;
if (bdC.Right > bdP.Right)
bdP.Right = bdC.Right;
if (bdC.Bottom > bdP.Bottom)
bdP.Bottom = bdC.Bottom;
childResult = parentResult;
parentResult = parentResult.parentResult;
}
//绑定字段值(父级字段或自身字段)
string strTabFind = "ss:Table/ss:Row/ss:Cell[@r='{0}']";
string strRowFind = "ss:Cell[@c='{0}']";
XmlNode xnField=null, xnRowF=null;
for (int i = itop; i <= bindEnv.boundResult.Bottom; i++)
{
if (null == xnRowF)
{
xnField = bindEnv.xeTemplate.SelectSingleNode(string.Format(strTabFind, i), this.xmlNsMgl);
if (null == xnField)
continue;
xnRowF = xnField.ParentNode;
}
xnField = xnRowF.SelectSingleNode(string.Format(strRowFind, ileft), this.xmlNsMgl);
for (int j = ileft; j <= bindEnv.boundResult.Right; j++)
{
if (null == xnField)
xnField = xnRowF.SelectSingleNode(string.Format(strRowFind, j), this.xmlNsMgl);
if (null == xnField)
continue;
if (null != xnField.FirstChild && null != xnField.FirstChild.Attributes["field"])
this.BindData((XmlElement)xnField.FirstChild, drs[bindEnv.rowIndex]);
xnField = xnField.NextSibling;
if (null == xnField || null == xnField.FirstChild || null == xnField.FirstChild.Attributes["c"]
|| Convert.ToString(j+1) != xnField.FirstChild.Attributes["c"].Value)
xnField = null;
}
xnRowF = xnRowF.NextSibling;
}
//页内绑定子级
foreach (BindResult rs in bindEnv.resultChildren.Values)
{
rs.boundResult = null;
rs.boundRow = null;
}
foreach (BindResult rs in bindEnv.resultChildren.Values)
{
PrintInfo pinfoChild = rs.printInfo;
string key = pinfoChild.DbName;
DataRelation rlChild = null;
foreach (DataRelation rl in tab.ChildRelations)
{
if (key != rl.ChildTable.TableName)
continue;
rlChild = rl;
break;
}
//检查配置区域是否合理,不在当前区域忽略
if (pinfoChild.RwBound.Left < pinfo.RwBound.Left || pinfoChild.RwBound.Top < pinfo.RwBound.Top
|| pinfoChild.RwBound.Right > pinfo.RwBound.Right || pinfoChild.RwBound.Bottom > pinfo.RwBound.Bottom)
continue;
rs.xeTemplate = bindEnv.xeTemplate;
if (rs.parentRowIndex != bindEnv.rowIndex)
{
rs.parentRowIndex = bindEnv.rowIndex;
rs.rowIndex = 0;
}
//初始化计算子区域,超界则为空
bindEnv.initChildBound(key);
if (null == rs.boundResult)
continue;
//子级范围
if (PrintType.Text == pinfoChild.RegionType && !bindEnv.isComplete(key))
{
this.CopyCell(xeTemplate, pinfoChild.RowBound, rs.xeTemplate, rs.boundResult.Left, rs.boundResult.Top);
rs.rowIndex = -1;
}
else if (PrintType.Data == pinfoChild.RegionType && null != rlChild)
this.BindNode(xeTemplate, drs[bindEnv.rowIndex].GetChildRows(rlChild), rs);
}
//检查是否下一行
bool isNext = true;
foreach(BindResult srChild in bindEnv.resultChildren.Values)
if (srChild.rowIndex > -1)
{ isNext=false; break; }
if (isNext)
bindEnv.rowIndex++;
if (bindEnv.rowIndex >= drs.Length)
break;
//根据行输出方式计算下一条记录的区域位置
if (OutRowModel.VeriNextHori == pinfo.OutRowType)
{
itop = bindEnv.boundResult.Bottom + 1;
if (itop + pinfo.RwBound.Bottom - pinfo.RwBound.Top > pinfo.PgBound.Bottom)
{
itop = bindEnv.boundResult.Top;
ileft = bindEnv.boundResult.Right + 1;
}
}
else
{
ileft = bindEnv.boundResult.Right+1;
if (ileft + pinfo.RwBound.Right - pinfo.RwBound.Left > pinfo.PgBound.Right)
{
ileft = bindEnv.boundResult.Left;
itop = bindEnv.boundResult.Bottom + 1;
}
}
//检查下一个记录是否页面超限
if (bindEnv.boundResult.Right > pinfo.PgBound.Right || bindEnv.boundResult.Bottom > pinfo.PgBound.Bottom
|| (itop + pinfo.RwBound.Bottom - pinfo.RwBound.Top) > pinfo.PgBound.Bottom
|| (ileft + pinfo.RwBound.Right - pinfo.RwBound.Left) > pinfo.PgBound.Right)
return bindEnv;
}//for (int i = 0; bindEnv.rowIndex < drs.Length; i++)
//子项重置
bindEnv.rowIndex = -1;
foreach (BindResult srChild in bindEnv.resultChildren.Values)
srChild.parentRowIndex = srChild.rowIndex = -1;
return bindEnv;
}