// 用node初始化本对象和下级
// parameters:
// node XmlNode节点
// allocator 对象创建器。用来构造下级元素对象
// style 状态,展开 收缩等 仅对ElementItem有意义
// return:
// -1 出错
// -2 中途cancel;
// 0 successed
public virtual int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
return(0);
}
// 用node初始化本对象和下级
// parameters:
// style 暂不使用
// return:
// -1 出错
// -2 中途cancel
// 0 成功
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
// 初始化数据，从node中获取
this.InitialData(node);
// 搞清楚是不是namespace类型节点
string strName = node.Name;
if (strName.Length >= 5)
{
if (strName.Substring(0,5) == "xmlns") // 大小写敏感
{
if (strName.Length == 5) // 特殊属性，定义了无前缀字符串的名字空间
{
this.IsNamespace = true;
this.Prefix = "xmlns";
this.LocalName = "";
// 如果要和.net dom兼容的话
//this.Prefix = ""; // 本应是"xmlns"，但是.net的dom为"";
//this.LocalName = "xmlns"; // 本应是"",但是.net的dom为"xmlns";
}
else if (strName[5] == ':') // 特殊属性，定义了有前缀字符串的名字空间
{
this.IsNamespace = true;
this.Prefix = "xmlns";
this.LocalName = strName.Substring(6);
if (this.LocalName == "")
{
throw(new Exception("冒号后面应还有内容"));
// return -1;
}
}
else // 普通属性
{
this.IsNamespace = false;
}
}
}
// 处理普通属性
if (this.IsNamespace == false)
{
int nRet = strName.IndexOf(":");
if (nRet == -1)
{
this.Prefix = "";
this.LocalName = strName;
}
else
{
this.Prefix = strName.Substring(0, nRet);
this.LocalName = strName.Substring(nRet + 1);
}
}
return 0;
}
// parameters:
// style Ôݲ»Ê¹ÓÃ.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
this.SetValue(((XmlDocumentType)node).InternalSubset);
return(0);
}
// parameters:
// style Ôݲ»Ê¹ÓÃ.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
this.SetValue(((XmlDocumentType)node).InternalSubset);
return 0;
}
// parameters:
// style Ôݲ»Ê¹ÓÃ.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
this.SetValue(node.InnerText);
//this.ReadOnly = true;
return 0;
}
// parameters:
// style Ôݲ»Ê¹ÓÃ.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
this.SetValue(node.InnerText);
//this.ReadOnly = true;
return(0);
}
// parameters:
// style 暂不使用.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
if (node.Value != null)
{
this.SetValue(node.Value);
}
else
{
Debug.Assert(false,"node节点的Value竟然为null");
}
return 0;
}
// parameters:
// style 暂不使用.
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
this.Name = node.Name;
if (node.Value != null)
{
this.SetValue(node.Value);
}
else
{
Debug.Assert(false, "node节点的Value竟然为null");
}
return(0);
}
// 用node初始化本对象和下级
// return:
// -1 出错
// -2 中途cancel
// 0 成功
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
// this.m_bConnected = true;
this.m_bConnected = bConnect; // new change
if (!(style is ElementInitialStyle))
{
Debug.Assert(false,"style必须为ElementInitialStyle类型");
return -1;
}
if ((node.NodeType != XmlNodeType.Element)
&& node.NodeType != XmlNodeType.Document)
{
Debug.Assert(false, "'" + node.NodeType.ToString() + "'不是合适的节点类型");
return 0;
}
// 设状态
this.SetStyle((ElementInitialStyle)style);
// 参数传进的新状态
ElementInitialStyle elementStyle = (ElementInitialStyle)style;
ExpandStyle newAttrsExpand = elementStyle.attrsExpandStyle;
ExpandStyle newChildExpand = elementStyle.childrenExpandStyle;
// 初始化数据，从node中获取
this.InitialData(node);
// 处理属性
if (this.m_bWantAttrsInitial == 1)
{
if (node.Attributes == null
|| node.Attributes.Count == 0)
{
this.m_attrsExpand = ExpandStyle.None;
goto SKIPATTRS;
}
// 本次希望属性展开
if (newAttrsExpand == ExpandStyle.Expand)
{
this.ClearAttrs();
foreach(XmlNode attrXmlNode in node.Attributes )
{
AttrItem attr = null;
attr = (AttrItem)allocator.newItem(attrXmlNode,
this.m_document);
if (attr != null)
{
int nRet = attr.Initial(attrXmlNode,
allocator,
null,
true);
if (nRet == -1)
return -1;
this.AppendAttrInternal(attr,false,true);
}
attr.m_bConnected = true;
}
this.m_objAttrsTimestamp ++ ;
this.m_attrsExpand = ExpandStyle.Expand;
}
else if (newAttrsExpand == ExpandStyle.Collapse)
{
// 注,收缩时不要把属性毁掉
// 本次希望属性收缩
this.m_attrsExpand = ExpandStyle.Collapse;
}
else
{
this.m_attrsExpand = ExpandStyle.None;
}
}
SKIPATTRS:
// 处理下级
if (this.m_bWantChildInitial == 1)
{
if (node.ChildNodes.Count == 0) //没有null的情况
{
this.m_childrenExpand = ExpandStyle.None;
goto SKIPCHILDREN;
}
// 希望下级展开
if (newChildExpand == ExpandStyle.Expand)
{
if (elementStyle.bReinitial == false
|| this.m_xmlChildrenTimestamp > this.m_objChildrenTimestmap)
{
this.ClearChildren();
// 处理下级
foreach(XmlNode child in node.ChildNodes)
{
Item item;
item = allocator.newItem(child,
this.m_document);
if (item == null)
continue;
ElementInitialStyle childStyle =
new ElementInitialStyle();
childStyle.attrsExpandStyle = ExpandStyle.Expand;
childStyle.childrenExpandStyle = ExpandStyle.Expand;
childStyle.bReinitial = false;
int nRet = item.Initial(child,
allocator,
childStyle,
bConnect); // 继承外面传入的参数
if (nRet == -2)
return -2;
if (nRet <= -1)
{
return nRet;
}
// 这里不在AppendChildInternal里做flush的原因是
// Initial()阶段表示只修改的一次，不是每个元素修改父亲一次
this.AppendChildInternal(item,false,true);
//item.m_bConnected = true;
}
this.m_objChildrenTimestmap ++;
}
this.m_childrenExpand = ExpandStyle.Expand;
}
else if (newChildExpand == ExpandStyle.Collapse)
{
this.m_childrenExpand = ExpandStyle.Collapse;
}
else
{
this.m_childrenExpand = ExpandStyle.None;
}
}
SKIPCHILDREN:
/*
// end
ItemCreatedEventArgs args = new ItemCreatedEventArgs();
args.item = this;
args.bInitial = true;
this.m_document.fireItemCreated(this,args);
*/
return 0;
}
// 用node初始化本对象和下级
// parameters:
// node XmlNode节点
// allocator 对象创建器。用来构造下级元素对象
// style 状态,展开 收缩等 仅对ElementItem有意义
// return:
// -1 出错
// -2 中途cancel;
// 0 successed
public virtual int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
return 0;
}
// 用node初始化本对象和下级
// parameters:
// style 暂不使用
// return:
// -1 出错
// -2 中途cancel
// 0 成功
public override int Initial(XmlNode node,
ItemAllocator allocator,
object style,
bool bConnect)
{
// 初始化数据，从node中获取
this.InitialData(node);
// 搞清楚是不是namespace类型节点
string strName = node.Name;
if (strName.Length >= 5)
{
if (strName.Substring(0, 5) == "xmlns") // 大小写敏感
{
if (strName.Length == 5) // 特殊属性，定义了无前缀字符串的名字空间
{
this.IsNamespace = true;
this.Prefix = "xmlns";
this.LocalName = "";
// 如果要和.net dom兼容的话
//this.Prefix = ""; // 本应是"xmlns"，但是.net的dom为"";
//this.LocalName = "xmlns"; // 本应是"",但是.net的dom为"xmlns";
}
else if (strName[5] == ':') // 特殊属性，定义了有前缀字符串的名字空间
{
this.IsNamespace = true;
this.Prefix = "xmlns";
this.LocalName = strName.Substring(6);
if (this.LocalName == "")
{
throw(new Exception("冒号后面应还有内容"));
// return -1;
}
}
else // 普通属性
{
this.IsNamespace = false;
}
}
}
// 处理普通属性
if (this.IsNamespace == false)
{
int nRet = strName.IndexOf(":");
if (nRet == -1)
{
this.Prefix = "";
this.LocalName = strName;
}
else
{
this.Prefix = strName.Substring(0, nRet);
this.LocalName = strName.Substring(nRet + 1);
}
}
return(0);
}
