/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <param name="Finder">优先finder设置</param>
public void SetFindMethod(IHTMLElement element, FindAttribute Finder)
{
int count = 0;
if (Finder != null)
{
FindMechanism.Add(Finder);
count = GetElementCount(element.tagName);
if (count > 1)
{
FindMechanism.Clear();
}
else
{
SetFrameList(element);
ElementType = TagStringToElementType(element);
return;
}
}
Finder = GetFinder(element, FindMethods.CssSelector);
FindMechanism.Add(Finder);
mshtml.IHTMLDOMNode node = element as mshtml.IHTMLDOMNode;
count = GetElementCount(node.nodeName);
//不支持CssSelector,试用xpath定位
if (count == -1)
{
FindMechanism.Clear();
Finder = GetFinder(element, FindMethods.XPath);
FindMechanism.Add(Finder);
}
SetFrameList(element);
ElementType = TagStringToElementType(element);
}
private FindAttribute GetXPathFinder(IHTMLElement element)
{
FindAttribute Finder = Finder = new FindAttribute();
Finder.FindMethod = FindMethods.XPath;
Finder.FindValue = XPathFinder.GetXPath(element);
return(Finder);
}
public void SetFindMethod(IHTMLElement element, FindMethods method, string value)
{
FindAttribute Finder = new FindAttribute();
Finder.FindMethod = method;
Finder.FindValue = value;
FindMechanism.Add(Finder);
if (element == null)
{
return;
}
SetFrameList(element);
ElementType = TagStringToElementType(element);
}
private FindAttribute GetCssPathFinder(IHTMLElement element)
{
FindAttribute Finder = Finder = new FindAttribute();
Finder.FindMethod = FindMethods.CssSelector;
string selector = element.getAttribute("__selector", 0) as string;
if (!string.IsNullOrEmpty(selector))
{
Finder.FindValue = selector;
}
else
{
Finder.FindValue = this.AppContext.Browser.Selector.GetCssPath(element, false);
}
return(Finder);
}
protected FindAttribute GetFinder(IHTMLElement element, FindMethods method)
{
FindAttribute finder = new FindAttribute();
finder.FindMethod = method;
if (method == FindMethods.XPath)
{
finder.FindValue = XPathFinder.GetXPath(element);
}
else if (method == FindMethods.CssSelector)
{
finder = GetCssPathFinder(element);
}
else
{
finder.FindValue = ActiveElementAttribute(element, method.ToString());
}
return(finder);
}
public override void LoadFromXml(XmlNode node)
{
base.LoadFromXml(node);
string elementTypeString = node.SelectSingleNode("ElementType").InnerText;
ElementType = (ElementTypes)Enum.Parse(typeof(ElementTypes), elementTypeString);
XmlNode findernode = node.SelectSingleNode("FinderSet");
XmlNodeList finderList = null;
if (findernode != null)
{
finderList = findernode.SelectNodes("Finder");
if (finderList != null)
{
foreach (XmlNode child in finderList)
{
var attribute = new FindAttribute();
attribute.FromXml(child);
FindMechanism.Add(attribute);
}
}
}
XmlNode framenode = node.SelectSingleNode("Frames");
if (framenode != null)
{
finderList = framenode.SelectNodes("Finder");
if (finderList != null)
{
foreach (XmlNode child in finderList)
{
var attribute = new FindAttribute();
attribute.FromXml(child);
FrameList.Add(attribute);
}
}
}
}
private void SetFrameList(IHTMLElement el)
{
List <IHTMLElement> frames = new List <IHTMLElement>();
IHTMLElement frame = BrowserExtensions.GetFrame(el);
while (frame != null)
{
frames.Add(frame);
frame = BrowserExtensions.GetFrame(frame);
}
foreach (var frameElement in frames)
{
FindAttribute attribute = GetFrameFinder((IHTMLElement)frameElement);
if (attribute != null)
{
FrameList.Add(attribute);
}
}
FrameList.Reverse();
}
/// <summary>
/// frame不支持css selector查找
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
FindAttribute GetFrameFinder(IHTMLElement element)
{
if (!string.IsNullOrEmpty(ActiveElementAttribute(element, "id")))
{
FindAttribute Finder = Finder = new FindAttribute();
Finder.FindMethod = FindMethods.Id;
Finder.FindValue = ActiveElementAttribute(element, "id");
return(Finder);
}
else if (!string.IsNullOrEmpty(ActiveElementAttribute(element, "name")))
{
FindAttribute Finder = Finder = new FindAttribute();
Finder.FindMethod = FindMethods.Name;
Finder.FindValue = ActiveElementAttribute(element, "name");
return(Finder);
}
else
{
return(GetXPathFinder(element));
}
}
//取元素属性集合
public FindAttribute GetFinder(IHTMLElement element)
{
FindAttribute Finder = null;
foreach (var method in AppSettings.Instance.FindPattern)
{
if (IsMethodUsed(method))
{
continue;
}
Finder = new FindAttribute();
Finder.FindValue = ActiveElementAttribute(element, method.ToString());
Finder.FindMethod = method;
if (Finder.FindValue != "")
{
break;
}
else
{
Finder = null;
}
}
return(Finder);
}
static public Constraint GetConstraint(FindAttribute attribute)
{
string findvalue = attribute.FindValue;
Constraint constraint = null;
switch (attribute.FindMethod)
{
case FindMethods.Alt:
constraint = Find.ByAlt(findvalue);
break;
case FindMethods.Class:
constraint = Find.ByClass(findvalue);
break;
case FindMethods.For:
constraint = Find.ByFor(findvalue);
break;
case FindMethods.Id:
constraint = attribute.Regex ? Find.ById(new System.Text.RegularExpressions.Regex(findvalue)) : Find.ById(findvalue);
break;
case FindMethods.Index:
try
{
constraint = Find.ByIndex(Convert.ToInt32(findvalue));
}
catch {
MessageBox.Show(string.Format("值{0}格式不正确", findvalue));
}
break;
case FindMethods.Name:
constraint = attribute.Regex ? Find.ByName(new System.Text.RegularExpressions.Regex(findvalue)):Find.ByName(findvalue);
break;
case FindMethods.Src:
constraint = Find.BySrc(findvalue);
break;
case FindMethods.Text:
constraint = Find.ByText(findvalue);
break;
case FindMethods.Title:
constraint = Find.ByTitle(findvalue);
break;
case FindMethods.Url:
constraint = Find.ByUrl(findvalue);
break;
case FindMethods.Value:
constraint = Find.ByValue(findvalue);
break;
case FindMethods.Href:
constraint = attribute.Regex ? Find.By("href", new System.Text.RegularExpressions.Regex(findvalue)) : Find.By("href", findvalue);
break;
case FindMethods.Custom:
constraint = Find.By(attribute.FindName, findvalue);
break;
case FindMethods.XPath:
constraint = new XPathConstraint(findvalue);
break;
case FindMethods.ProximityText:
constraint = new ProximityTextConstraint(findvalue);
break;
case FindMethods.CssSelector:
constraint = Find.BySelector(findvalue);
break;
}
return(constraint);
}
