/// <summary>
/// Constructs the post data string for a boolean input
/// </summary>
private static PostDataField GeneratePostDataForBooleanElement(HtmlInputElement element)
{
return(new PostDataField()
{
Name = element.Name,
Value = String.IsNullOrEmpty(element.CachedAttributes.Value) ? "on" : HttpUtility.UrlEncode(element.CachedAttributes.Value),
Type = PostDataFieldType.Text
});
}
/// <summary>
/// Constructs the post data string for a text input
/// </summary>
private static PostDataField GeneratePostDataForTextElement(HtmlInputElement element)
{
return(new PostDataField()
{
Name = element.Name,
Value = HttpUtility.UrlEncode(element.CachedAttributes.Value),
Type = (element.CachedAttributes.Type == HtmlInputElementType.File)
? PostDataFieldType.File : PostDataFieldType.Text
});
}
/// <summary>
/// Builds a post data string based on its child elements
/// </summary>
public PostDataCollection GetPostDataCollection(HtmlInputElement submitInputElement = null)
{
PostDataCollection postDataCollection = new PostDataCollection();
foreach (HtmlInputElement element in this.ChildElements.FindAll("input"))
{
if (!string.IsNullOrEmpty(element.Name) &&
!element.CachedAttributes.Disabled)
{
switch (element.CachedAttributes.Type)
{
case HtmlInputElementType.Checkbox:
case HtmlInputElementType.Radio:
if (element.CachedAttributes.Checked)
{
postDataCollection.Add(GeneratePostDataForBooleanElement(element));
}
break;
case HtmlInputElementType.Submit:
if (submitInputElement == null || submitInputElement == element)
{
postDataCollection.Add(GeneratePostDataForTextElement(element));
}
break;
case HtmlInputElementType.File:
case HtmlInputElementType.Hidden:
case HtmlInputElementType.Password:
case HtmlInputElementType.Text:
case HtmlInputElementType.Search:
case HtmlInputElementType.Tel:
case HtmlInputElementType.Url:
case HtmlInputElementType.Email:
case HtmlInputElementType.Datetime:
case HtmlInputElementType.Date:
case HtmlInputElementType.Month:
case HtmlInputElementType.Week:
case HtmlInputElementType.Time:
case HtmlInputElementType.Number:
postDataCollection.Add(GeneratePostDataForTextElement(element));
break;
}
}
}
foreach (HtmlTextAreaElement element in this.ChildElements.FindAll(new HtmlElementFindParams("textarea", 0), 0))
{
if (!string.IsNullOrEmpty(element.Name))
{
postDataCollection.Add(new PostDataField()
{
Name = element.Name,
Value = HttpUtility.UrlEncode(element.CachedInnerText),
Type = PostDataFieldType.Text
});
}
}
foreach (HtmlSelectElement element in this.ChildElements.FindAll(new HtmlElementFindParams("select", 0), 0))
{
if (!string.IsNullOrEmpty(element.Name))
{
var options = element.ChildElements.FindAll("option");
// add all selected options to postdata
if (options != null)
{
foreach (HtmlElement o in options)
{
HtmlOptionElement option = o as HtmlOptionElement;
if (option.CachedAttributes.Selected)
{
// first try to pick value attribute
string value = option.CachedAttributes.Get <string>("value", null);
// if value is not specified use inner text
if (string.IsNullOrEmpty(value))
{
value = option.CachedInnerText;
}
postDataCollection.Add(new PostDataField()
{
Name = element.Name,
Value = HttpUtility.UrlEncode(value),
Type = PostDataFieldType.Text
});
}
}
}
}
}
return(postDataCollection);
}
