128 lines
4.8 KiB
C#
128 lines
4.8 KiB
C#
//
|
|
// System.Web.UI.WebControls.CompareValidator
|
|
//
|
|
// Authors:
|
|
// Chris Toshok (toshok@novell.com)
|
|
//
|
|
// (C) 2005-2010 Novell, Inc (http://www.novell.com)
|
|
//
|
|
// 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.
|
|
//
|
|
|
|
using System.Globalization;
|
|
using System.ComponentModel;
|
|
using System.Security.Permissions;
|
|
|
|
namespace System.Web.UI.WebControls
|
|
{
|
|
// CAS
|
|
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
|
|
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
|
|
// attributes
|
|
[ToolboxData("<{0}:CompareValidator runat=\"server\" ErrorMessage=\"CompareValidator\"></{0}:CompareValidator>")]
|
|
public class CompareValidator : BaseCompareValidator
|
|
{
|
|
public CompareValidator ()
|
|
{
|
|
}
|
|
|
|
protected override void AddAttributesToRender (HtmlTextWriter w)
|
|
{
|
|
if (RenderUplevel) {
|
|
RegisterExpandoAttribute (ClientID, "evaluationfunction", "CompareValidatorEvaluateIsValid");
|
|
if (ControlToCompare.Length > 0)
|
|
RegisterExpandoAttribute (ClientID, "controltocompare", GetControlRenderID (ControlToCompare));
|
|
if (ValueToCompare.Length > 0)
|
|
RegisterExpandoAttribute (ClientID, "valuetocompare", ValueToCompare, true);
|
|
RegisterExpandoAttribute (ClientID, "operator", Operator.ToString ());
|
|
}
|
|
|
|
base.AddAttributesToRender (w);
|
|
}
|
|
|
|
protected override bool ControlPropertiesValid ()
|
|
{
|
|
if ((this.Operator != ValidationCompareOperator.DataTypeCheck) && ControlToCompare.Length == 0 &&
|
|
!BaseCompareValidator.CanConvert (this.ValueToCompare, this.Type, this.CultureInvariantValues)) {
|
|
throw new HttpException(
|
|
String.Format("Unable to convert the value: {0} as a {1}", ValueToCompare,
|
|
Enum.GetName(typeof(ValidationDataType), this.Type)));
|
|
}
|
|
|
|
if (ControlToCompare.Length > 0) {
|
|
if (string.CompareOrdinal (ControlToCompare, ControlToValidate) == 0)
|
|
throw new HttpException (String.Format ("Control '{0}' cannot have the same value '{1}' for both ControlToValidate and ControlToCompare.", ID, ControlToCompare));
|
|
CheckControlValidationProperty (ControlToCompare, String.Empty);
|
|
}
|
|
|
|
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;
|
|
|
|
string compare;
|
|
/* ControlToCompare takes precendence, if it's set. */
|
|
string controlToCompare = ControlToCompare;
|
|
compare = (!String.IsNullOrEmpty (controlToCompare) ? GetControlValidationValue (controlToCompare) : ValueToCompare);
|
|
|
|
return BaseCompareValidator.Compare (GetControlValidationValue (ControlToValidate), false,
|
|
compare, this.CultureInvariantValues,
|
|
Operator, this.Type);
|
|
}
|
|
|
|
[DefaultValue("")]
|
|
[TypeConverter(typeof(System.Web.UI.WebControls.ValidatedControlConverter))]
|
|
[WebSysDescription ("")]
|
|
[WebCategory ("Behavior")]
|
|
[Themeable (false)]
|
|
public string ControlToCompare {
|
|
get { return ViewState.GetString ("ControlToCompare", String.Empty); }
|
|
set { ViewState["ControlToCompare"] = value; }
|
|
}
|
|
|
|
[DefaultValue(ValidationCompareOperator.Equal)]
|
|
[WebSysDescription ("")]
|
|
[WebCategory ("Behavior")]
|
|
[Themeable (false)]
|
|
public ValidationCompareOperator Operator {
|
|
get { return (ValidationCompareOperator)ViewState.GetInt ("Operator", (int)ValidationCompareOperator.Equal); }
|
|
set { ViewState ["Operator"] = (int)value; }
|
|
}
|
|
|
|
[DefaultValue("")]
|
|
[WebSysDescription ("")]
|
|
[WebCategory ("Behavior")]
|
|
[Themeable (false)]
|
|
public string ValueToCompare {
|
|
get { return ViewState.GetString ("ValueToCompare", String.Empty); }
|
|
set { ViewState ["ValueToCompare"] = value; }
|
|
}
|
|
}
|
|
}
|