/// <summary>
/// 创建子节点
/// </summary>
/// <param name="parentNode"></param>
/// <param name="domnode"></param>
/// <returns></returns>
private DomTreeNode NewDomNode(IHTMLDOMNode domnode)
{
string text = "";
if (Commentnode == domnode.nodeName)
{
if (domnode.nodeValue != null)
{
text = "<!" + domnode.nodeValue + ">";
}
}
else
{
text = string.Format("<{0}{1}>", domnode.nodeName.ToLower(), ToAttributeString(domnode));
}
DomTreeNode treeNode = new DomTreeNode();
treeNode.Text = text;
treeNode.Tag = domnode;
if (!nodeHash.Contains(domnode))
{
nodeHash.Add(domnode, treeNode);
}
return(treeNode);
}
private System.Windows.Forms.ContextMenuStrip CreateContextMenu(DomTreeNode node)
{
IHTMLElement element = node.Tag as IHTMLElement;
ContextMenuStrip strip = new ContextMenuStrip();
ToolStripMenuItem item = new ToolStripMenuItem("复制HTML");
item.Name = "copyHTML";
item.Tag = element;
strip.Items.Add(item);
item = new ToolStripMenuItem("复制innerHTML");
item.Name = "copyInnerHTML";
item.Tag = element;
strip.Items.Add(item);
item = new ToolStripMenuItem("复制XPATH");
item.Name = "copyXPATH";
item.Tag = element;
strip.Items.Add(item);
item = new ToolStripMenuItem("删除");
item.Name = "delete";
item.Tag = element;
strip.Items.Add(item);
strip.ItemClicked += new ToolStripItemClickedEventHandler(strip_ItemClicked);
return(strip);
}
/// <summary>
/// 加载单个树节点
/// </summary>
/// <param name="el"></param>
/// <param name="dataDict"></param>
private void PopulateNode(IHTMLElement el, List <IHTMLElement> dataDict)
{
if (el == null)
{
return;
}
DomTreeNode node = null;
if (nodeHash.Contains(el))
{
node = nodeHash[el] as DomTreeNode;
dataDict.Reverse();
foreach (var o in dataDict)
{
if (node == null)
{
continue;
}
//logger.Info("add treenode:" + XPathFinder.GetXPath(o, true));
IHTMLDOMNode parent = ((IHTMLDOMNode)o).parentNode;
if (parent == null)
{
parent = (IHTMLDOMNode)BrowserExtensions.GetFrame((IHTMLElement)o);
}
ParseNodes(parent, node, 1);
node.IsLoadData = true;
node = nodeHash[o] as DomTreeNode;
}
}
else
{
dataDict.Add(el);
IHTMLDOMNode cnode = el as IHTMLDOMNode;
IHTMLElement parentEl = cnode.parentNode as IHTMLElement;
if (parentEl == null)
{
IHTMLElement frame = BrowserExtensions.GetFrame((IHTMLElement)el);
PopulateNode(frame, dataDict);
}
else
{
PopulateNode(parentEl, dataDict);
}
}
}
void DomTreeView_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
DomTreeNode node = e.Node as DomTreeNode;
if (!node.IsExpanded && !node.IsLoadData)
{
node.IsLoadData = true;
ParseNodes((IHTMLDOMNode)node.Tag, node, expandDeep);
}
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
TreeViewHitTestInfo info = this.HitTest(e.X, e.Y);
this.ContextMenuStrip = CreateContextMenu(node);
this.ContextMenuStrip.Show();
}
}
public void SelectNodes(IHTMLElement[] elements)
{
List <TreeNode> treeNodes = new List <TreeNode>();
foreach (var el in elements)
{
PopulateNode((IHTMLDOMNode)el);
DomTreeNode node = nodeHash[el] as DomTreeNode;
if (node != null)
{
treeNodes.Add(node);
}
}
foreach (var node in treeNodes)
{
//node.BeginEdit();
node.EnsureVisible();
//node.EndEdit(false);
}
SelectedNodes = treeNodes;
}