v0.7.0.0: Support CheckBoxList.

Adds RequiredFieldValidator support for CheckBoxList.

Dado.Validators/Properties/AssemblyInfo.cs

@@ -38,7 +38,7 @@
 //
 //			<major>.<minor>.<bugfix>.<devlopment>
 //
-[assembly: AssemblyVersion("0.6.0.0")]
+[assembly: AssemblyVersion("0.7.0.0")]
 
 [assembly: WebResource("Dado.js.validation.dev.js", "text/javascript")]
 [assembly: WebResource("Dado.js.validation.min.js", "text/javascript")]

Dado.Validators/js/validation.dev.js

@@ -89,6 +89,24 @@ function TypeValidatorEvaluateIsValid(val) { var v = ValidatorGetValue(val.contr
 	}
 }
 
+function RequiredFieldValidatorEvaluateIsValid(val) {
+	if(val.ischeckboxlist === "false") {
+		return ValidatorTrim(ValidatorGetValue(val.controltovalidate)) != ValidatorTrim(val.initialvalue);
+	}
+	// Validate for Checkbox and Radio Lists
+	else {
+		var list = document.getElementById(val.controltovalidate)
+			, inputs = list.getElementsByTagName("input")
+			, i = 0;
+
+		for (; i < inputs.length;)
+			if (inputs[i++].checked)
+				return true;
+
+		return false;
+	}
+}
+
 function ValidateOnLoad() {
 	Page_InvalidControlToBeFocused = null;
 	if (typeof(OnLoad_Validators) == "undefined") return true;

Dado.Validators/validator/requiredField.cs

@@ -11,6 +11,7 @@ namespace Dado.Validators
 	using System.Diagnostics;
 	using System.Drawing;
 	using System.Web.UI;
+	using WebControls = System.Web.UI.WebControls;
 
 	/// <summary>
 	///		Makes the associated input control a required field.
@@ -24,6 +25,9 @@ public class RequiredFieldValidator : BaseValidator
 		#region Fields
 
 		private const string DEFAULT_ERROR_MESSAGE = "Please enter a value.";
+		private const string DEFAULT_LIST_ERROR_MESSAGE = "Please select a option.";
+		private bool _isCheckBoxList = false;
+		private bool _isRadioButtonList = false;
 
 		#endregion Fields
 
@@ -65,10 +69,55 @@ public string InitialValue
 		/// <param name="e">A <see cref='System.EventArgs'/> that contains the event data.</param>
 		protected override void OnInit(EventArgs e)
 		{
-			DefaultErrorMessage = DEFAULT_ERROR_MESSAGE;
+			DefaultErrorMessage = PropertiesValid && (_isCheckBoxList || _isRadioButtonList) ? DEFAULT_LIST_ERROR_MESSAGE : DEFAULT_ERROR_MESSAGE;
 			base.OnInit(e);
 		}
 		/// <summary>
+		///		Determines whether the control specified by the ControlToValidate property is a valid control.
+		/// </summary>
+		/// <returns>true if the control specified by ControlToValidate is a valid control; otherwise, false.</returns>
+		protected override bool ControlPropertiesValid()
+		{
+			// Check for blank control to validate 
+			string controlToValidate = ControlToValidate;
+			if (controlToValidate.Length == 0)
+				throw new Exception(
+					String.Format("The {0} property of '{1}' cannot be blank.", "ControlToValidate", ID)
+				);
+
+			// Check that the property points to a valid control. Will throw and exception if not found 
+			CheckControlValidationProperty(controlToValidate, "ControlToValidate");
+
+			return true;
+		}
+		/// <summary>
+		///		Verifies whether the specified control is on the page and contains validation properties.
+		/// </summary>
+		/// <param name="name">The control to verify.</param>
+		/// <param name="propertyName">Additional text to describe the source of the exception, if an exception is thrown from using this method.</param>
+		new protected void CheckControlValidationProperty(string name, string propertyName)
+		{
+			// get the control using the relative name
+			Control c = NamingContainer.FindControl(name);
+			if (c == null)
+				throw new Exception(
+					String.Format("Unable to find control id '{0}' referenced by the '{1}' property of '{2}'.", name, propertyName, ID)
+				);
+
+			// Add Validation for CheckBoxList
+			if (_isCheckBoxList = c is WebControls.CheckBoxList) return;
+
+			// Allows Proper Default Error Message
+			_isRadioButtonList = c is WebControls.RadioButtonList;
+
+			// get its validation property 
+			PropertyDescriptor prop = GetValidationProperty(c);
+			if (prop == null)
+				throw new Exception(
+					String.Format("Control '{0}' referenced by the {1} property of '{2}' cannot be validated.", name, propertyName, ID)
+				);
+		}
+		/// <summary>
 		///		Adds the HTML attributes and styles that need to be rendered for the control to the specified <see cref='System.Web.UI.HtmlTextWriter'/> object.
 		/// </summary>
 		/// <param name="writer">An <see cref='System.Web.UI.HtmlTextWriter'/> that represents the output stream to render HTML content on the client.</param>
@@ -78,8 +127,10 @@ protected override void AddAttributesToRender(HtmlTextWriter writer)
 			if (RenderUplevel) {
 				string id = ClientID;
 				HtmlTextWriter expandoAttributeWriter = (EnableLegacyRendering) ? writer : null;
+
 				AddExpandoAttribute(expandoAttributeWriter, id, "evaluationfunction", "RequiredFieldValidatorEvaluateIsValid", false);
 				AddExpandoAttribute(expandoAttributeWriter, id, "initialvalue", InitialValue);
+				AddExpandoAttribute(expandoAttributeWriter, id, "ischeckboxlist", _isCheckBoxList ? "true" : "false");
 			}
 		}
 		/// <summary>
@@ -88,9 +139,21 @@ protected override void AddAttributesToRender(HtmlTextWriter writer)
 		/// <returns>true if the value in the input control is valid; otherwise, false.</returns>
 		protected override bool EvaluateIsValid()
 		{
-			// Get the control value, return true if it is not found 
 			string controlValue = GetControlValidationValue(ControlToValidate);
 			if (controlValue == null) {
+
+				// Provide Validation for CheckBoxList. Value check isn't provided by JavaScript and can't be provide.
+				if (_isCheckBoxList) {
+					WebControls.CheckBoxList c = (WebControls.CheckBoxList)NamingContainer.FindControl(ControlToValidate);
+
+					foreach (WebControls.ListItem item in c.Items)
+						if (item.Selected && !item.Value.Trim().Equals(InitialValue.Trim()))
+							return true;
+
+					return false;
+				}
+
+				// Get the control value, return true if it is not found
 				Debug.Fail("Should have been caught by PropertiesValid check");
 				return true;
 			}

README.md

@@ -1,9 +1,9 @@
-Dado.Validators (version 0.6.0.0)
+Dado.Validators (version 0.7.0.0)
 =================================
 
 Dado Validators is an extension of the System.Web.UI.WebControls.BaseValidator class provided by .NET 4.
 
-**Download** [Solution](//github.com/roydukkey/Dado.Validators/zipball/master) | [Assembly](//github.com/roydukkey/Dado.Validators/blob/master/Release/DadoValidatorsAssembly-v0.6.0.0.zip?raw=true)
+**Download** [Solution](//github.com/roydukkey/Dado.Validators/zipball/master) | [Assembly](//github.com/roydukkey/Dado.Validators/blob/master/Release/DadoValidatorsAssembly-v0.7.0.0.zip?raw=true)
 
 
 ## Features
@@ -64,7 +64,7 @@ Dado Validators is an extension of the System.Web.UI.WebControls.BaseValidator c
 		</td>
 		<td valign="top">
 			<strong>Require Field:</strong><br />
-			Makes the associated input control a required field.
+			Makes the associated input control a required field. Added support for CheckBoxLists.
 		</td>
 	</tr>
 	<tr>

Web/default.aspx

@@ -63,7 +63,7 @@
 			<tr>
 				<th valign="top" align="right">Phone Validator:</th>
 				<td valign="top">
-					<asp:TextBox ID="txtPhoneNumber" runat="server" Text="(555) 896-4571" />
+					<asp:TextBox ID="txtPhoneNumber" runat="server" Text="(555) 896-4571 x345" />
 					<Dado:PhoneValidator ID="vldPhoneNumber" runat="server" ControlToValidate="txtPhoneNumber" ValidationGroup="vlgSubmit" AllowExtension="true" />
 				</td>
 				<th valign="top" align="right"></th>
@@ -105,6 +105,28 @@
 					<Dado:UriValidator runat="server" ControlToValidate="txtUri" ValidationGroup="vlgSubmit" Kind="Absolute" TryToFix="true" />
 				</td>
 			</tr>
+			<tr>
+				<th valign="top" align="right">Checkbox List:</th>
+				<td valign="top">
+					<asp:CheckBoxList ID="cblCheckBoxList" runat="server" RepeatLayout="Flow">
+						<asp:ListItem Text="Check Box (empty)" Value="" />
+						<asp:ListItem Text="Check Box 1" Value="1" />
+						<asp:ListItem Text="Check Box 2" Value="2" />
+						<asp:ListItem Text="Check Box 3" Value="3" />
+					</asp:CheckBoxList>
+					<Dado:RequiredFieldValidator runat="server" ControlToValidate="cblCheckBoxList" ValidationGroup="vlgSubmit" />
+				</td>
+				<th valign="top" align="right">Radio Button List:</th>
+				<td valign="top">
+					<asp:RadioButtonList ID="rblRadioButtonList" runat="server" RepeatLayout="Flow">
+						<asp:ListItem Text="Radio Button (empty)" Value="" />
+						<asp:ListItem Text="Radio Button 1" Value="1" />
+						<asp:ListItem Text="Radio Button 2" Value="2" />
+						<asp:ListItem Text="Radio Button 3" Value="3" />
+					</asp:RadioButtonList>
+					<Dado:RequiredFieldValidator runat="server" ControlToValidate="rblRadioButtonList" ValidationGroup="vlgSubmit" />
+				</td>
+			</tr>
 		</table>
 
 		<asp:Button ID="btnSubmit" runat="server" ValidationGroup="vlgSubmit" Text="Submit" />

Web/default.aspx.cs

@@ -22,10 +22,15 @@ protected void Page_Init(object sender, EventArgs e)
 			{
 				Page.Validate("vlgSubmit");
 				if (Page.IsValid) {
+					litTest.Text += "<p>";
+					litTest.Text += "vldPhoneNumber.ValidatedPhoneNumber: " + vldPhoneNumber.ValidatedPhoneNumber;
 					litTest.Text += "<br />";
-					litTest.Text += vldPhoneNumber.ValidatedPhoneNumber;
+					litTest.Text += "vldPhoneNumber.ValidatedExtension: " + vldPhoneNumber.ValidatedExtension;
 					litTest.Text += "<br />";
-					litTest.Text += vldPhoneNumber.ValidatedExtension;
+					litTest.Text += "cblCheckBoxList.SelectedValue: " + cblCheckBoxList.SelectedValue;
+					litTest.Text += "<br />";
+					litTest.Text += "rblRadioButtonList.SelectedValue: " + rblRadioButtonList.SelectedValue;
+					litTest.Text += "</p>";
 				}
 			};