yavsc/WebControls/InputCircle.cs

//
//  InputCircle.cs
//
//  Author:
//       Paul Schneider <paul@pschneider.fr>
//
//  Copyright (c) 2015 GNU GPL
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Web;
using System.Security.Permissions;
using System.Web.UI;
using System.ComponentModel;
using System.Web.UI.WebControls;
using Yavsc.Model.Circles;
using System.Web.Security;

namespace WebControls
{
	/// <summary>
	/// Input circle.
	/// </summary>
	[
		AspNetHostingPermission (SecurityAction.Demand,
			Level = AspNetHostingPermissionLevel.Minimal),
		AspNetHostingPermission (SecurityAction.InheritanceDemand, 
			Level = AspNetHostingPermissionLevel.Minimal),
		ParseChildren (true),
		DefaultProperty ("Name"),
		ToolboxData ("<{0}:InputCircle runat=\"server\"> </{0}:InputCircle>")
	]
	public class InputCircle: WebControl
	{
		/// <summary>
		/// Initializes a new instance of the <see cref="WebControls.InputCircle"/> class.
		/// </summary>
		public InputCircle ()
		{
		}
		/// <summary>
		/// Gets or sets the name.
		/// </summary>
		/// <value>The name.</value>
		[Bindable (true), DefaultValue(""), Localizable(true)]
		public string Name {
			get {
				return (string) ViewState["Name"];
			}
			set {
				ViewState ["Name"]  = value;
			}
		}
		/// <summary>
		/// Gets or sets the value.
		/// </summary>
		/// <value>The value.</value>
		[Bindable (true), DefaultValue(""), Localizable(true)]
		public string Value {
			get {
				return (string) ViewState["Value"];
			}
			set {
				ViewState ["Value"]  = value;
			}
		}

		/// <summary>
		/// Gets or sets the on change.
		/// </summary>
		/// <value>The on change.</value>
		[Bindable (true), DefaultValue(""),	Localizable(false)]
		public string OnChange {
			get {
				return (string) ViewState["OnChange"];
			}
			set {
				ViewState ["OnChange"]  = value;
			}
		}
		/// <summary>
		/// Gets or sets a value indicating whether this <see cref="Yavsc.WebControls.InputUserName"/> is multiple.
		/// </summary>
		/// <value><c>true</c> if multiple; otherwise, <c>false</c>.</value>
		[Bindable (true), DefaultValue(false)]
		public bool Multiple {
			get {

				return (bool) ViewState["Multiple"];
			}
			set {
				ViewState ["Multiple"]  = value;

			}
		}

		/// <summary>
		/// Gets or sets the empty value.
		/// </summary>
		/// <value>The empty value.</value>
		[Bindable (true), DefaultValue(null)]
		public string EmptyValue {
			get {
				return (string) ViewState["EmptyValue"];
			}
			set {
				ViewState ["EmptyValue"]  = value;

			}
		}

		/// <summary>
		/// Renders the contents.
		/// </summary>
		/// <param name="writer">Writer.</param>
		protected override void RenderContents (HtmlTextWriter writer)
		{
			writer.AddAttribute ("id", ID);
			writer.AddAttribute ("name", Name);
			writer.AddAttribute ("class", CssClass);
			if (!string.IsNullOrWhiteSpace(OnChange))
				writer.AddAttribute ("onchange", OnChange);
			if (Multiple)
				writer.AddAttribute ("multiple","true");
			writer.RenderBeginTag ("select");
			string[] selected = null;
			if (!string.IsNullOrWhiteSpace (Value)) {
				selected = Value.Split (',');
			}
			if (EmptyValue!=null) {
				writer.AddAttribute ("value", "");
				writer.RenderBeginTag ("option");
				writer.Write (EmptyValue);
				writer.RenderEndTag ();
			}
			var u = Membership.GetUser ();
			if (u != null) {
				foreach (CircleInfo ci in CircleManager.DefaultProvider.List(u.UserName)) {
					if (selected != null)
					if (Array.Exists (selected, x => x == ci.Id.ToString ()))
						writer.AddAttribute ("selected", null);
					writer.AddAttribute ("value", ci.Id.ToString ());
					writer.RenderBeginTag ("option");
					writer.Write (ci.Title);
					writer.RenderEndTag ();
				}
			}
			writer.RenderEndTag ();
		}
	}
}