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//------------------------------------------------------------------------------
// <copyright file="RangeValidator.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Drawing;
using System.Web;
using System.Web.UI;
using System.Web.UI.Design.WebControls;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using WebCntrls = System.Web.UI.WebControls;
using System.Security.Permissions;
namespace System.Web.UI.MobileControls
{
/*
* Mobile RangeValidator class.
* The RangeValidator checks that the value of the associated input control
* is within a minimum and maximum value. These can either be constant
* values or other input controls. A data type property specifies how the
* values being compared should be interpreted: Strings, integers, dates,
* etc.
*
* Copyright (c) 2000 Microsoft Corporation
*/
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator"]/*' />
[
ToolboxData("<{0}:RangeValidator runat=\"server\" ErrorMessage=\"RangeValidator\"></{0}:RangeValidator>"),
ToolboxItem("System.Web.UI.Design.WebControlToolboxItem, " + AssemblyRef.SystemDesign)
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
public class RangeValidator : BaseValidator
{
private WebCntrls.RangeValidator _webRangeValidator;
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.CreateWebValidator"]/*' />
protected override WebCntrls.BaseValidator CreateWebValidator()
{
_webRangeValidator = new WebCntrls.RangeValidator();
return _webRangeValidator;
}
////////////////////////////////////////////////////////////////////////
// Mimic the properties exposed in the original RangeValidator.
// The properties are got and set directly from the original RangeValidator.
////////////////////////////////////////////////////////////////////////
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.MaximumValue"]/*' />
[
Bindable(true),
DefaultValue(""),
MobileCategory(SR.Category_Behavior),
MobileSysDescription(SR.RangeValidator_MaximumValue)
]
public String MaximumValue
{
get
{
return _webRangeValidator.MaximumValue;
}
set
{
_webRangeValidator.MaximumValue = value;
}
}
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.MinimumValue"]/*' />
[
Bindable(true),
DefaultValue(""),
MobileCategory(SR.Category_Behavior),
MobileSysDescription(SR.RangeValidator_MinimumValue)
]
public String MinimumValue
{
get
{
return _webRangeValidator.MinimumValue;
}
set
{
_webRangeValidator.MinimumValue = value;
}
}
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.Type"]/*' />
[
Bindable(false),
DefaultValue(ValidationDataType.String),
MobileCategory(SR.Category_Behavior),
MobileSysDescription(SR.RangeValidator_Type)
]
public ValidationDataType Type
{
get
{
return _webRangeValidator.Type;
}
set
{
_webRangeValidator.Type = value;
}
}
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.EvaluateIsValid"]/*' />
protected override bool EvaluateIsValid()
{
return EvaluateIsValidInternal();
}
/////////////////////////////////////////////////////////////////////
// Helper function adopted from WebForms RangeValidator
/////////////////////////////////////////////////////////////////////
/// <include file='doc\RangeValidator.uex' path='docs/doc[@for="RangeValidator.ControlPropertiesValid"]/*' />
protected override bool ControlPropertiesValid()
{
// Check if the control values can be converted to data type
String maximumValue = MaximumValue;
if (!WebCntrls.BaseCompareValidator.CanConvert(maximumValue, Type))
{
throw new ArgumentException(SR.GetString(
SR.Validator_ValueBadType,
maximumValue,
"MaximumValue",
ID,
PropertyConverter.EnumToString(
typeof(ValidationDataType), Type)
));
}
String minumumValue = MinimumValue;
if (!WebCntrls.BaseCompareValidator.CanConvert(minumumValue, Type))
{
throw new ArgumentException(SR.GetString(
SR.Validator_ValueBadType,
minumumValue,
"MinimumValue",
ID,
PropertyConverter.EnumToString(
typeof(ValidationDataType), Type)
));
}
// Check for overlap.
if (WebBaseCompareValidator.Compare(minumumValue, maximumValue,
ValidationCompareOperator.GreaterThan, Type))
{
throw new ArgumentException(SR.GetString(
SR.RangeValidator_RangeOverlap, maximumValue,
minumumValue, ID));
}
return base.ControlPropertiesValid();
}
// The reason of having this class is to expose the method
// BaseCompareValidator.Compare which is a protected method in the
// base class. Since the implementation of the method is not
// trivial, instead of copying the code to this file, the following
// subclass inherits the base class and expose a new public method
// which calls its base implementation. While this solution doesn't
// look elegant, it helps eliminate the code maintanence issue of
// copying the code.
private class WebBaseCompareValidator : BaseCompareValidator
{
// Have to define this method since it is abstract in the base
// class.
protected override bool EvaluateIsValid()
{
Debug.Assert(false, "Should never be called.");
return true;
}
public static new bool Compare(
String leftText, String rightText,
ValidationCompareOperator op, ValidationDataType type)
{
return BaseCompareValidator.Compare(leftText, rightText, op, type);
}
}
}
}
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