HtmlButtonElement
sealed class HtmlButtonElement : HtmlFormControlElement, IHtmlButtonElement, IHtmlElement, IElement, INode, IEventTarget, IMarkupFormattable, IParentNode, IChildNode, INonDocumentTypeChildNode, IElementCssInlineStyle, IValidation
Represents an HTML button element.
using AngleSharp.Dom.Css;
using AngleSharp.Extensions;
using AngleSharp.Html;
namespace AngleSharp.Dom.Html
{
internal sealed class HtmlButtonElement : HtmlFormControlElement, IHtmlButtonElement, IHtmlElement, IElement, INode, IEventTarget, IMarkupFormattable, IParentNode, IChildNode, INonDocumentTypeChildNode, IElementCssInlineStyle, IValidation
{
private string _value;
public string Type {
get {
return (GetOwnAttribute(AttributeNames.Type) ?? InputTypeNames.Submit).ToLower();
}
set {
SetOwnAttribute(AttributeNames.Type, value);
}
}
public string FormAction {
get {
if (base.Form == null)
return string.Empty;
return base.Form.Action;
}
set {
if (base.Form != null)
base.Form.Action = value;
}
}
public string FormEncType {
get {
if (base.Form == null)
return string.Empty;
return base.Form.Enctype;
}
set {
if (base.Form != null)
base.Form.Enctype = value;
}
}
public string FormMethod {
get {
if (base.Form == null)
return string.Empty;
return base.Form.Method;
}
set {
if (base.Form != null)
base.Form.Method = value;
}
}
public bool FormNoValidate {
get {
if (base.Form == null)
return false;
return base.Form.NoValidate;
}
set {
if (base.Form != null)
base.Form.NoValidate = value;
}
}
public string FormTarget {
get {
if (base.Form == null)
return string.Empty;
return base.Form.Target;
}
set {
if (base.Form != null)
base.Form.Target = value;
}
}
public string Value {
get {
return _value ?? string.Empty;
}
set {
_value = value;
}
}
internal bool IsVisited { get; set; }
internal bool IsActive { get; set; }
public HtmlButtonElement(Document owner, string prefix = null)
: base(owner, Tags.Button, prefix, NodeFlags.None)
{
}
public override void DoClick()
{
if (!IsClickedCancelled()) {
string type = Type;
IHtmlFormElement form = base.Form;
if (type == InputTypeNames.Submit && form != null)
form.Submit();
else if (type == InputTypeNames.Reset) {
form?.Reset();
}
}
}
protected override bool CanBeValidated()
{
if (Type == InputTypeNames.Submit)
return !this.HasDataListAncestor();
return false;
}
internal override void ConstructDataSet(FormDataSet dataSet, HtmlElement submitter)
{
if (this != submitter) {
string type = Type;
if (type == InputTypeNames.Submit || type == InputTypeNames.Reset)
dataSet.Append(base.Name, Value, Type.ToString());
}
}
}
}