using System.Collections.Generic;
using System.Windows.Forms;
using mshtml;
namespace WindowsFormsApplication7
{
public class HtmlElementExtractor
{
public static HashSet<string> HtmlElementsFound { get; set; }
static HtmlElementExtractor()
{
HtmlElementsFound = new HashSet<string>();
}
public static List<string> GetAllInputElemnts(WebBrowser webBrowser, ElementType type)
{
var inputElements = new List<string>();
if (webBrowser.Document != null)
{
foreach (HtmlElement element in webBrowser.Document.All)
{
if (string.IsNullOrEmpty(element.Id)) continue;
switch (type)
{
case ElementType.Input:
if (element.DomElement is HTMLInputElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.TextArea:
if (element.DomElement is HTMLTextAreaElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.Text:
if (element.DomElement is HTMLTextElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.Button:
if (element.DomElement is HTMLButtonElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
}
if (element.Children.Count > 0)
{
inputElements.AddRange(GetInputElementFromHtmlElement(type, element));
}
}
foreach (HtmlElement element in webBrowser.Document.Forms)
{
foreach (HtmlElement s in element.All)
{
if (string.IsNullOrEmpty(s.Id)) continue;
switch (type)
{
case ElementType.Input:
if (s.DomElement is HTMLInputElementClass && !inputElements.Contains(s.Id) && !HtmlElementsFound.Contains(s.Id))
{
HtmlElementsFound.Add(s.Id);
inputElements.Add(s.Id);
}
break;
case ElementType.TextArea:
if (s.DomElement is HTMLTextAreaElementClass && !inputElements.Contains(s.Id) && !HtmlElementsFound.Contains(s.Id))
{
HtmlElementsFound.Add(s.Id);
inputElements.Add(s.Id);
}
break;
case ElementType.Text:
if (s.DomElement is HTMLTextElementClass && !inputElements.Contains(s.Id) && !HtmlElementsFound.Contains(s.Id))
{
HtmlElementsFound.Add(s.Id);
inputElements.Add(s.Id);
}
break;
case ElementType.Button:
if (s.DomElement is HTMLInputButtonElementClass && !inputElements.Contains(s.Id) && !HtmlElementsFound.Contains(s.Id))
{
HtmlElementsFound.Add(s.Id);
inputElements.Add(s.Id);
}
break;
}
}
}
}
return inputElements;
}
public static List<string> GetInputElementFromHtmlElement(ElementType type, HtmlElement htmlElement)
{
var inputElements = new List<string>();
if (htmlElement != null)
foreach (HtmlElement element in htmlElement.All)
{
if (string.IsNullOrEmpty(element.Id)) continue;
switch (type)
{
case ElementType.Input:
if (element.DomElement is HTMLInputElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.TextArea:
if (element.DomElement is HTMLTextAreaElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.Text:
if (element.DomElement is HTMLTextElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
case ElementType.Button:
if (element.DomElement is HTMLInputButtonElementClass && !inputElements.Contains(element.Id) && !HtmlElementsFound.Contains(element.Id))
{
HtmlElementsFound.Add(element.Id);
inputElements.Add(element.Id);
}
break;
}
if (element.Children.Count <= 0) continue;
foreach (HtmlElement childeren in element.Children)
{
inputElements.AddRange(GetInputElementFromHtmlElement(type, childeren));
}
}
return inputElements;
}
public static List<HtmlElement> GetAllHtmlElementTypes(string id, WebBrowser webBrowser, ElementType type)
{
var htmlElementCollection = new List<HtmlElement>();
if (webBrowser.Document != null)
{
foreach (HtmlElement element in webBrowser.Document.All)
{
if (string.IsNullOrEmpty(element.Id)) continue;
switch (type)
{
case ElementType.Input:
if (element.DomElement is HTMLInputElementClass && element.Id == id)
htmlElementCollection.Add(element);
break;
case ElementType.TextArea:
if (element.DomElement is HTMLTextAreaElementClass && element.Id == id)
htmlElementCollection.Add(element);
break;
case ElementType.Text:
if (element.DomElement is HTMLTextElementClass && element.Id == id)
htmlElementCollection.Add(element);
break;
case ElementType.Button:
if (element.DomElement is HTMLInputButtonElementClass && element.Id == id)
htmlElementCollection.Add(element);
break;
}
if (element.Children.Count > 0)
{
htmlElementCollection.AddRange(GetInputElementFromHtmlElementTypes(id, element, type));
}
}
foreach (HtmlElement element in webBrowser.Document.Forms)
{
foreach (HtmlElement s in element.All)
{
if (string.IsNullOrEmpty(s.Id)) continue;
if (s.Id == id)
if (s.DomElement is HTMLInputElementClass)
htmlElementCollection.Add(s);
}
}
}
return htmlElementCollection;
}
public static List<HtmlElement> GetInputElementFromHtmlElementTypes(string id, HtmlElement htmElement, ElementType type)
{
var inputElements = new List<HtmlElement>();
if (htmElement != null)
foreach (HtmlElement element in htmElement.All)
{
if (string.IsNullOrEmpty(element.Id)) continue;
switch (type)
{
case ElementType.Input:
if (element.DomElement is HTMLInputElementClass && element.Id == id)
inputElements.Add(element);
break;
case ElementType.TextArea:
if (element.DomElement is HTMLTextAreaElementClass && element.Id == id)
inputElements.Add(element);
break;
case ElementType.Text:
if (element.DomElement is HTMLTextElementClass && element.Id == id)
inputElements.Add(element);
break;
case ElementType.Button:
if (element.DomElement is HTMLInputButtonElementClass && element.Id == id)
inputElements.Add(element);
break;
}
if (element.Children.Count <= 0) continue;
foreach (HtmlElement childeren in element.Children)
{
inputElements.AddRange(GetInputElementFromHtmlElementTypes(id, childeren, type));
}
}
return inputElements;
}
}
}
