public override XmlElement GetRendXmlNode(XmlDocument xmlDoc, XmlElement RootXmlElement)
{
try
{
//如果有标注，则添加标注信息
XmlElement pAnnotationElment = null;
if (AnnotationClass.IsSingleProperty && !string.IsNullOrEmpty(AnnotationClass.PropertyName))
{
pAnnotationElment = AnnotationClass.GetSymbolNode(xmlDoc);
}
//开始解析渲染符号信息
for (int i = 0; i < SymbolList.Count; i++)
{
XmlElement pRuleElement = default(XmlElement);
ptSymbolClass pSymbolClass = SymbolList[i];
//生成Rule节点信息
pRuleElement = CommXmlHandle.CreateElement("Rule", xmlDoc);
pRuleElement.AppendChild(CommXmlHandle.CreateElementAndSetElemnetText("RuleName", xmlDoc, pSymbolClass.Label));
pRuleElement.AppendChild(CommXmlHandle.CreateElementAndSetElemnetText("Title", xmlDoc, pSymbolClass.Label));
if (pSymbolClass.LowerLimit != 0.00 && pSymbolClass.UpperLimit != 0.00)
{
//写条件节点
XmlElement pFilterElement = CommXmlHandle.CreateElement("Filter", xmlDoc);
XmlElement pBetweenElement = CommXmlHandle.CreateElement("PropertyIsBetween", xmlDoc);
pFilterElement.AppendChild(pBetweenElement);
XmlElement pPropertyNameElement = CommXmlHandle.CreateElementAndSetElemnetText("PropertyName", xmlDoc, this.FieldName);
pBetweenElement.AppendChild(pPropertyNameElement);
XmlElement pLowerBoundaryElement = CommXmlHandle.CreateElement("LowerBoundary", xmlDoc);
pBetweenElement.AppendChild(pLowerBoundaryElement);
XmlElement pLowerValue = CommXmlHandle.CreateElementAndSetElemnetText("", xmlDoc, CommStaticClass.CommaToPoint(pSymbolClass.LowerLimit));
pLowerBoundaryElement.AppendChild(pLowerValue);
XmlElement pUpperElement = CommXmlHandle.CreateElement("UpperBoundary", xmlDoc);
pBetweenElement.AppendChild(pUpperElement);
XmlElement pUpperValueElement = CommXmlHandle.CreateElementAndSetElemnetText("Fieldvalue", xmlDoc, CommStaticClass.CommaToPoint(pSymbolClass.UpperLimit));
pUpperElement.AppendChild(pUpperValueElement);
pRuleElement.AppendChild(pFilterElement);
}
//设置显示比例尺
if (!double.IsNaN(m_ptLayer.m_MaxScale) && !double.IsNaN(m_ptLayer.m_MinScale))
{
pRuleElement.AppendChild(CommXmlHandle.CreateElementAndSetElemnetText("MinScale", xmlDoc, m_ptLayer.m_MaxScale.ToString()));
pRuleElement.AppendChild(CommXmlHandle.CreateElementAndSetElemnetText("MaxScale", xmlDoc, m_ptLayer.m_MinScale.ToString()));
}
//获取符号节点
IList <XmlElement> pSymbolizedNode = pSymbolClass.GetSymbolNode(xmlDoc);
foreach (XmlElement pElement in pSymbolizedNode)
{
pRuleElement.AppendChild(pElement);
}
if (pAnnotationElment != null)
{
pRuleElement.AppendChild(pAnnotationElment.CloneNode(true));
}
RootXmlElement.AppendChild(pRuleElement);
}
}
catch (Exception ex)
{
ptLogManager.WriteMessage(string.Format("解析符号信息失败:{0}{1}{2}{3}", Environment.NewLine, ex.Message, Environment.NewLine, ex.StackTrace));
}
return(RootXmlElement);
}
/// <summary>
/// 初始化符号信息
/// </summary>
protected override void InitialSymbol()
{
base.InitialSymbol();
if (m_pUniqueRender == null || m_pFeatureLayer == null)
{
return;
}
//是否是多个字段
bool bNoSepFieldVal = false;
//是否是连接表
bool bIsJoined = false;
try
{
IDisplayTable pDisplayTable = m_pFeatureLayer as IDisplayTable;
ITable pTable = pDisplayTable.DisplayTable;
IDataset objDataset = m_FeatureClass as IDataset;
//是否是关系表
if (pTable is IRelQueryTable)
{
bIsJoined = true;
}
if (FieldCount > 1)
{
bNoSepFieldVal = true;
}
//唯一值字段有多个
if (bNoSepFieldVal)
{
//数据源为SHAPE文件
if (objDataset.Workspace.Type == esriWorkspaceType.esriFileSystemWorkspace)
{
for (int i = 1; i <= FieldCount; i++)
{
FieldNames.Add(m_pUniqueRender.Field[i - 1].ToLower());
}
CommStaticClass.GimmeUniqueValuesFromShape(m_FeatureClass as ITable, FieldNames);
}
//数据源为其他
else
{
for (int i = 1; i <= FieldCount; i++)
{
FieldNames.Add(m_pUniqueRender.Field[i - 1].ToLower());
//属性表有连接表
if (pTable is IRelQueryTable)
{
IRelQueryTable pRelQueryTable = default(IRelQueryTable);
ITable pDestTable = default(ITable);
IDataset pDataSet = default(IDataset);
IList <string> alJoinedTableNames = new List <string>();
while (pTable is IRelQueryTable)
{
pRelQueryTable = pTable as IRelQueryTable;
pDestTable = pRelQueryTable.DestinationTable;
pDataSet = pDestTable as IDataset;
pTable = pRelQueryTable.SourceTable;
alJoinedTableNames.Add(pDataSet.Name);
}
CommStaticClass.GimmeUniqeValuesForFieldname(m_FeatureClass as ITable, m_pUniqueRender.Field[i - 1], alJoinedTableNames);
pTable = pDisplayTable.DisplayTable;
}
//属性表没有连接表
else
{
CommStaticClass.GimmeUniqeValuesForFieldname(m_FeatureClass as ITable, m_pUniqueRender.Field[i - 1]);
}
}
}
}
//唯一值字段只有一个
else
{
FieldNames.Add(m_pUniqueRender.Field[FieldCount - 1].ToLower());
}
//开始解析符号
for (int j = 0; j <= ValueCount - 1; j++)
{
ISymbol pSymbol = m_pUniqueRender.get_Symbol(m_pUniqueRender.get_Value(j));
ptSymbolFactory pSymbolFac = new ptSymbolFactory(pSymbol);
ptSymbolClass pSymbolClass = pSymbolFac.GetSymbolClass(m_pUniqueRender.Label[m_pUniqueRender.get_Value(j)], CommStaticClass.getUVFieldValues(m_pUniqueRender, j)
, 0, 0);
SymbolList.Add(pSymbolClass);
}
}
catch (Exception ex)
{
ptLogManager.WriteMessage(string.Format("方法名称：{0}{1}{2}{3}{4}", "InitialSymbol", Environment.NewLine, ex.Message, Environment.NewLine, ex.StackTrace));
}
}