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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Peter Bartok (pbartok@novell.com)
//
//
using System.ComponentModel;
using System.Globalization;
using System.Security.Permissions;
using System.Web.Util;
// Modeled after Nikhil Kothari's sample in "ASP Server Controls and Components", pp368
namespace System.Web.UI.WebControls {
// CAS
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
// attributes
[ToolboxData("<{0}:RangeValidator runat=\"server\" ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>")]
public class RangeValidator : BaseCompareValidator {
#region Public Constructors
public RangeValidator() {
}
#endregion // Public Constructors
#region Public Instance Properties
[Themeable (false)]
[DefaultValue("")]
[WebSysDescription ("")]
[WebCategory ("Behavior")]
public string MaximumValue {
get {
return ViewState.GetString("MaximumValue", String.Empty);
}
set {
ViewState["MaximumValue"] = value;
}
}
[Themeable (false)]
[DefaultValue("")]
[WebSysDescription ("")]
[WebCategory ("Behavior")]
public string MinimumValue {
get {
return ViewState.GetString("MinimumValue", String.Empty);
}
set {
ViewState["MinimumValue"] = value;
}
}
#endregion // Public Instance Properties
#region Public Instance Methods
protected override void AddAttributesToRender(HtmlTextWriter writer) {
base.AddAttributesToRender (writer);
if (RenderUplevel) {
RegisterExpandoAttribute (ClientID, "evaluationfunction", "RangeValidatorEvaluateIsValid");
RegisterExpandoAttribute (ClientID, "minimumvalue", MinimumValue, true);
RegisterExpandoAttribute (ClientID, "maximumvalue", MaximumValue, true);
}
}
protected override bool ControlPropertiesValid() {
if (!CanConvert(MinimumValue, this.Type)) {
throw new HttpException("Minimum value cannot be converterd to type " + this.Type.ToString());
}
if (!CanConvert(MaximumValue, this.Type)) {
throw new HttpException("Maximum value cannot be converterd to type " + this.Type.ToString());
}
if (this.Type != ValidationDataType.String) {
if (Compare(MinimumValue, MaximumValue, ValidationCompareOperator.GreaterThan, this.Type)) {
throw new HttpException("Maximum value must be equal or bigger than Minimum value");
}
}
return base.ControlPropertiesValid ();
}
protected override bool EvaluateIsValid() {
string control_value;
control_value = GetControlValidationValue(this.ControlToValidate);
if (control_value == null)
return true;
control_value = control_value.Trim();
if (control_value.Length == 0)
return true;
if (Compare(control_value, MinimumValue, ValidationCompareOperator.GreaterThanEqual, this.Type)) {
if (Compare(control_value, MaximumValue, ValidationCompareOperator.LessThanEqual, this.Type)) {
return true;
}
}
return false;
}
#endregion // Public Instance Methods
}
}
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