1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
23 // Peter Bartok (pbartok@novell.com)
27 using System.ComponentModel;
28 using System.Security.Permissions;
30 namespace System.Web.UI.WebControls {
32 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
33 [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
35 [DefaultEvent("ServerValidate")]
37 [ToolboxData("<{0}:CustomValidator runat=\"server\" ErrorMessage=\"CustomValidator\"></{0}:CustomValidator>")]
39 [ToolboxData("<{0}:CustomValidator runat=server ErrorMessage=\"CustomValidator\"></{0}:CustomValidator>")]
41 public class CustomValidator : BaseValidator {
42 #region Public Constructors
43 public CustomValidator() {
45 #endregion // Public Constructors
47 #region Public Instance Properties
49 [WebSysDescription ("")]
50 [WebCategory ("Behavior")]
54 public string ClientValidationFunction {
55 get { return ViewState.GetString("ClientValidationFunction", ""); }
56 set { ViewState["ClientValidationFunction"] = value; }
61 [DefaultValue (false)]
62 public bool ValidateEmptyText {
63 get { return ViewState.GetBool ("ValidateEmptyText", false); }
64 set { ViewState ["ValidateEmptyText"] = value; }
67 #endregion // Public Instance Properties
69 #region Public Instance Methods
70 protected override void AddAttributesToRender(HtmlTextWriter writer) {
71 base.AddAttributesToRender (writer);
73 if (base.RenderUplevel) {
76 RegisterExpandoAttribute (ClientID, "evaluationfunction", "CustomValidatorEvaluateIsValid");
77 if (ValidateEmptyText)
78 RegisterExpandoAttribute (ClientID, "validateemptytext", "true");
79 if (ClientValidationFunction.Length > 0)
80 RegisterExpandoAttribute (ClientID, "clientvalidationfunction", ClientValidationFunction, true);
82 writer.AddAttribute ("evaluationfunction", "CustomValidatorEvaluateIsValid", false);
84 s = ClientValidationFunction;
85 if (s != string.Empty) {
86 writer.AddAttribute("clientvalidationfunction", s);
92 protected override bool ControlPropertiesValid ()
94 if (ControlToValidate == "")
96 return base.ControlPropertiesValid ();
99 protected override bool EvaluateIsValid() {
100 if (ControlToValidate.Length > 0) {
101 string value = GetControlValidationValue (ControlToValidate);
103 if (String.IsNullOrEmpty (value) && !ValidateEmptyText)
106 return OnServerValidate (value);
108 return OnServerValidate(string.Empty);
111 protected virtual bool OnServerValidate(string value) {
112 if (ServerValidate != null) {
113 ServerValidateEventArgs e;
115 e = new ServerValidateEventArgs(value, true);
116 ServerValidate(this, e);
121 #endregion // Public Instance Methods
124 [WebSysDescription ("")]
125 [WebCategory ("Behavior")]
126 public event ServerValidateEventHandler ServerValidate;