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.Globalization;
29 using System.Security.Permissions;
30 using System.Web.Util;
32 // Modeled after Nikhil Kothari's sample in "ASP Server Controls and Components", pp368
34 namespace System.Web.UI.WebControls {
37 [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
38 [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
41 [ToolboxData("<{0}:RangeValidator runat=\"server\" ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
43 [ToolboxData("<{0}:RangeValidator runat=server ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
45 public class RangeValidator : BaseCompareValidator {
46 #region Public Constructors
47 public RangeValidator() {
49 #endregion // Public Constructors
51 #region Public Instance Properties
58 [WebSysDescription ("")]
59 [WebCategory ("Behavior")]
60 public string MaximumValue {
62 return ViewState.GetString("MaximumValue", String.Empty);
66 ViewState["MaximumValue"] = value;
76 [WebSysDescription ("")]
77 [WebCategory ("Behavior")]
78 public string MinimumValue {
80 return ViewState.GetString("MinimumValue", String.Empty);
84 ViewState["MinimumValue"] = value;
87 #endregion // Public Instance Properties
89 #region Public Instance Methods
90 protected override void AddAttributesToRender(HtmlTextWriter writer) {
91 base.AddAttributesToRender (writer);
95 RegisterExpandoAttribute (ClientID, "evaluationfunction", "RangeValidatorEvaluateIsValid");
96 RegisterExpandoAttribute (ClientID, "minimumvalue", MinimumValue, true);
97 RegisterExpandoAttribute (ClientID, "maximumvalue", MaximumValue, true);
99 writer.AddAttribute("evaluationfunction", "RangeValidatorEvaluateIsValid", false); // FIXME - we need to define this in client code
100 writer.AddAttribute("minimumValue", MinimumValue.ToString(Helpers.InvariantCulture));
101 writer.AddAttribute("maximumValue", MaximumValue.ToString(Helpers.InvariantCulture));
106 protected override bool ControlPropertiesValid() {
107 if (!CanConvert(MinimumValue, this.Type)) {
108 throw new HttpException("Minimum value cannot be converterd to type " + this.Type.ToString());
110 if (!CanConvert(MaximumValue, this.Type)) {
111 throw new HttpException("Maximum value cannot be converterd to type " + this.Type.ToString());
113 if (this.Type != ValidationDataType.String) {
114 if (Compare(MinimumValue, MaximumValue, ValidationCompareOperator.GreaterThan, this.Type)) {
115 throw new HttpException("Maximum value must be equal or bigger than Minimum value");
118 return base.ControlPropertiesValid ();
121 protected override bool EvaluateIsValid() {
122 string control_value;
124 control_value = GetControlValidationValue(this.ControlToValidate);
125 if (control_value == null)
127 control_value = control_value.Trim();
128 if (control_value.Length == 0)
131 if (Compare(control_value, MinimumValue, ValidationCompareOperator.GreaterThanEqual, this.Type)) {
132 if (Compare(control_value, MaximumValue, ValidationCompareOperator.LessThanEqual, this.Type)) {
138 #endregion // Public Instance Methods