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AngleSharp

, 3 Jul 2013 BSD
Bringing the DOM to C# with a HTML5/CSS3 parser written in C#.
Demo.zip
AngleSharp
Css
Tokens
DOM
Collections
Css
Properties
Rules
Selector
Values
Enums
Exception
Html
Basic
Formatting
Forms
Frames
Head
Lists
Media
Objects
Semantic
Tables
Interfaces
Mathml
Objects
Svg
Various
Xml
Foundation
Attributes
Helpers
Mutations
Html
Tokens
Properties
Stream
Xml
Tokens
packages
ModernUI.WPF.1.0.4
lib
net40
FirstFloor.ModernUI.dll
Microsoft.Windows.Shell.dll
net45
FirstFloor.ModernUI.dll
ModernUI.WPF.1.0.4.nupkg
ModernUI.WPF.1.0.4.nuspec
OxyPlot.Core.2013.1.49.1
lib
portable-net4+sl4+wp71+win8
OxyPlot.dll
OxyPlot.Core.2013.1.49.1.nupkg
OxyPlot.Core.2013.1.49.1.nuspec
OxyPlot.Wpf.2013.1.49.1
lib
NET40
OxyPlot.Wpf.dll
OxyPlot.Xps.dll
NET45
OxyPlot.Wpf.dll
OxyPlot.Xps.dll
OxyPlot.Wpf.2013.1.49.1.nupkg
OxyPlot.Wpf.2013.1.49.1.nuspec
Samples
Logo.ico
Pages
Properties
Settings.settings
ViewModels
Source.zip
Documents
using System;

namespace AngleSharp.DOM.Html
{
    /// <summary>
    /// Represents an HTML input element.
    /// </summary>
    public sealed class HTMLInputElement : HTMLTextFormControlElement
    {
        #region Constant

        /// <summary>
        /// The input tag.
        /// </summary>
        internal const string Tag = "input";

        #endregion

        #region ctor

        /// <summary>
        /// Creates a new HTML input element.
        /// </summary>
        internal HTMLInputElement()
        {
            _name = Tag;
            
        }

        #endregion

        #region Properties

        /// <summary>
        /// Gets or sets the value of the name attribute.
        /// </summary>
        public String Name
        {
            get { return GetAttribute("name"); }
            set { SetAttribute("name", value); }
        }

        /// <summary>
        /// Gets the associated HTML form element.
        /// </summary>
        public HTMLFormElement Form
        {
            get { return GetAssignedForm(); }
        }

        /// <summary>
        /// Gets or sets if the input element is checked or not.
        /// </summary>
        public Boolean Checked
        {
            get { return GetAttribute("checked") != null; }
            set { SetAttribute("checked", value ? String.Empty : null); }
        }

        /// <summary>
        /// Gets or sets if the input element is enabled or disabled.
        /// </summary>
        public Boolean Disabled
        {
            get { return GetAttribute("disabled") != null; }
            set { SetAttribute("disabled", value ? String.Empty : null); }
        }

        /// <summary>
        /// Gets or sets the type of the input field.
        /// </summary>
        public InputType Type
        {
            get { return ToEnum(GetAttribute("type"), InputType.Text); }
            set { SetAttribute("type", value.ToString()); }
        }

        /// <summary>
        /// Gets or sets if the input field is required.
        /// </summary>
        public Boolean Required
        {
            get { return GetAttribute("required") != null; }
            set { SetAttribute("required", value ? String.Empty : null); }
        }

        /// <summary>
        /// Gets or sets if the input field is read-only.
        /// </summary>
        public Boolean Readonly
        {
            get { return GetAttribute("readonly") != null; }
            set { SetAttribute("readonly", value ? String.Empty : null); }
        }

        //TODO
        //http://www.w3.org/html/wg/drafts/html/master/forms.html#htmlinputelement

        /// <summary>
        /// Gets or sets if the state if indeterminate.
        /// </summary>
        public Boolean Indeterminate 
        { 
            get; 
            set; 
        }

        #endregion

        #region Design properties

        /// <summary>
        /// Gets or sets if the link has been visited.
        /// </summary>
        internal bool IsVisited
        {
            get;
            set;
        }

        /// <summary>
        /// Gets or sets if the link is currently active.
        /// </summary>
        internal bool IsActive
        {
            get;
            set;
        }

        #endregion

        #region Methods

        #endregion

        #region Internal Properties

        internal bool IsMutable 
        {
            get { return !Disabled && !Readonly; }
        }

        /// <summary>
        /// Gets if the node is in the special category.
        /// </summary>
        protected internal override bool IsSpecial
        {
            get { return true; }
        }

        #endregion

        #region Enumeration

        /// <summary>
        /// An enumeration with possible input types.
        /// </summary>
        public enum InputType : ushort
        {
            /// <summary>
            /// The input will be hidden.
            /// </summary>
            Hidden,
            /// <summary>
            /// A standard (1-line) text input.
            /// </summary>
            Text,
            /// <summary>
            /// A search input.
            /// </summary>
            Search,
            /// <summary>
            /// A telephone number input.
            /// </summary>
            Tel,
            /// <summary>
            /// An URL input field.
            /// </summary>
            Url,
            /// <summary>
            /// An email input field.
            /// </summary>
            Email,
            /// <summary>
            /// A password input field.
            /// </summary>
            Password,
            /// <summary>
            /// A datetime input field.
            /// </summary>
            Datetime,
            /// <summary>
            /// A date input field.
            /// </summary>
            Date,
            /// <summary>
            /// A month picker input field.
            /// </summary>
            Month,
            /// <summary>
            /// A week picker input field.
            /// </summary>
            Week,
            /// <summary>
            /// A time picker input field.
            /// </summary>
            Time,
            /// <summary>
            /// A number input field.
            /// </summary>
            Number,
            /// <summary>
            /// A range picker.
            /// </summary>
            Range,
            /// <summary>
            /// A color picker input field.
            /// </summary>
            Color,
            /// <summary>
            /// A checkbox.
            /// </summary>
            Checkbox,
            /// <summary>
            /// A radio box.
            /// </summary>
            Radio,
            /// <summary>
            /// A file upload box.
            /// </summary>
            File,
            /// <summary>
            /// A submit button.
            /// </summary>
            Submit,
            /// <summary>
            /// An image input box.
            /// </summary>
            Image,
            /// <summary>
            /// A reset form button.
            /// </summary>
            Reset,
            /// <summary>
            /// A simple button.
            /// </summary>
            Button
        }

        #endregion
    }
}

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License

This article, along with any associated source code and files, is licensed under The BSD License

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About the Author

Florian Rappl
Chief Technology Officer
Germany Germany
Florian is from Regensburg, Germany. He started his programming career with Perl. After programming C/C++ for some years he discovered his favorite programming language C#. He did work at Siemens as a programmer until he decided to study Physics. During his studies he worked as an IT consultant for various companies.
 
Florian is also giving lectures in C#, HTML5 with CSS3 and JavaScript, and other topics. Having graduated from University with a Master's degree in theoretical physics he is currently busy doing his PhD in the field of High Performance Computing.
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