private void HandleNodeDoubleClick(object sender, TreeNodeMouseClickEventArgs e)
{
string fn = MethodBase.GetCurrentMethod().Name;
try
{
if (!EnableMultiSelection)
{
TreeNode node = e.Node;
XmlDataSelectionInfo xdsi = node.Tag as XmlDataSelectionInfo;
this.SelectedItems = new List <XmlDataSelectionInfo>();
this.SelectedItem = xdsi;
}
else
{
this.SelectedItem = null;
this.SelectedItems = new List <XmlDataSelectionInfo>();
getSelectedXmlNodeInfo(this.SelectedItems, null);
}
if (null != DoubleClickItemEvent)
{
DoubleClickItemEvent(this, new EventArgs());
}
}
catch (Exception exc)
{
Util.HandleExc(this, fn, exc);
return;
}
}
private bool getSelectedXmlNodeInfo(List <XmlDataSelectionInfo> oList, TreeNode oRootNode = null)
{
TreeNodeCollection tnc = null;
if (null == oRootNode)
{
tnc = m_tvXmlContent.Nodes;
}
else
{
tnc = oRootNode.Nodes;
}
foreach (TreeNode tnode in tnc)
{
if (tnode.Checked)
{
XmlDataSelectionInfo xdsi = tnode.Tag as XmlDataSelectionInfo;
if (null != xdsi)
{
oList.Add(xdsi);
}
}
if (!getSelectedXmlNodeInfo(oList, tnode))
{
return(false);
}
}
return(true);
}
} // end method()
private bool FillSubtree(TreeNode oParentNode, XmlElement oXmlElement, string sPath = "")
{
string fn = "XmlDataSelectorCtl.FillSubtree()";
try
{
string scurtitle = "<" + oXmlElement.Name + ">";
if (!hasChildElements(oXmlElement))
{
scurtitle += " = '" + oXmlElement.InnerText + "'";
}
TreeNode tncur = new TreeNode(scurtitle);
tncur.ForeColor = Color.Blue;
if (null != oParentNode)
{
oParentNode.Nodes.Add(tncur);
}
else
{
m_tvXmlContent.Nodes.Add(tncur);
}
string spath = (null == sPath) ? "" : sPath;
if (!string.IsNullOrEmpty(spath))
{
spath += ".";
}
spath += oXmlElement.Name;
XmlDataSelectionInfo xdsi = new XmlDataSelectionInfo(spath, XmlItemType.Element);
tncur.Tag = xdsi;
foreach (XmlAttribute attribute in oXmlElement.Attributes)
{
TreeNode tnatt = new TreeNode(attribute.Name + " = '" + attribute.Value + "'");
tnatt.ForeColor = Color.DarkRed;
string sattpath = spath + ":" + attribute.Name;
XmlDataSelectionInfo xdsia = new XmlDataSelectionInfo(sattpath, XmlItemType.Attribute);
tnatt.Tag = xdsia;
tncur.Nodes.Add(tnatt);
}
foreach (XmlNode ochildnode in oXmlElement.ChildNodes)
{
XmlElement ochildelt = ochildnode as XmlElement;
if (null == ochildelt)
{
continue;
}
if (!FillSubtree(tncur, ochildelt, spath))
{
return(false);
}
}
return(true);
}
catch (Exception exc)
{
Util.HandleExc(this, fn, exc);
return(false);
}
}
