CTextBox

Scrummer/Code/Controls/CTextbox.cs

@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+
+namespace Scrummer.Code.Controls
+{
+    public class CTextBox: TextBox
+    {
+        #region Declarations
+
+        private const string CssClassBase = "textbox";
+        private string _cssClassExtra = "";
+
+        private bool _allowEmpty = true;
+
+        private string _placeHolder = string.Empty;
+
+        #endregion
+
+        #region Properties
+
+        public string CssClassExtra
+        {
+            get { return _cssClassExtra; }
+            set { _cssClassExtra = value; }
+        }
+
+        public bool AllowEmpty
+        {
+            get { return _allowEmpty; }
+            set { _allowEmpty = value; }
+        }
+
+        public string PlaceHolder
+        {
+            get { return _placeHolder; }
+            set { _placeHolder = value; }
+        }
+        
+        #endregion
+
+        #region Control life cycle
+
+        public CTextBox()
+        {
+            Init += CTextbox_Init;
+            PreRender += CTextbox_PreRender;
+        }
+
+        void CTextbox_Init(object sender, EventArgs e)
+        {
+        }
+
+        void CTextbox_PreRender(object sender, EventArgs e)
+        {
+            CssClass = CssClassBase;
+            if (string.IsNullOrEmpty(_cssClassExtra) == false)
+            {
+                CssClass = String.Format("{0} {1}", CssClassBase, _cssClassExtra);
+            }
+            if (Page.IsPostBack && _allowEmpty == false && IsEmpty())
+            {
+                CssClass += " textboxEmpty";
+            }
+            Attributes.Add("onchange", "ElementRemoveClass(this, 'textboxEmpty');");
+
+            if (string.IsNullOrEmpty(_placeHolder) == false)
+            {
+                Attributes.Add("placeholder", _placeHolder);
+            }
+
+            // FIX: The framework deletes textbox values on password mode
+            if (TextMode == TextBoxMode.Password)
+            {
+                Attributes["value"] = Text;
+            }
+        }
+
+        public override void RenderEndTag(HtmlTextWriter writer)
+        {
+            base.RenderEndTag(writer);
+        }
+
+        #endregion
+
+        #region Public methods
+
+        public bool IsEmpty()
+        {
+            return string.IsNullOrEmpty(Text);
+        }
+
+        #endregion
+
+    }
+}