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/**
* Project : Mono
* Namespace : System.Web.UI.MobileControls
* Class : BaseValidator
* Author : Gaurav Vaish
*
* Copyright : 2003 with Gaurav Vaish, and with
* Ximian Inc
*/
using System.ComponentModel;
using System.Web.UI;
using System.Web.Mobile;
using System.Web.UI.WebControls;
namespace System.Web.UI.MobileControls
{
public abstract class BaseValidator : TextControl, IValidator
{
private System.Web.UI.WebControls.BaseValidator webBaseValidator;
private bool isValid = true;
protected BaseValidator()
{
StyleReference = "error";
webBaseValidator = CreateWebValidator();
if(webBaseValidator == null)
this.webBaseValidator = new DefaultWebValidator();
Controls.Add(webBaseValidator);
webBaseValidator.Display = ValidatorDisplay.Dynamic;
}
private class DefaultWebValidator
: System.Web.UI.WebControls.BaseValidator
{
protected override bool EvaluateIsValid()
{
return false;
}
}
protected virtual System.Web.UI.WebControls.BaseValidator CreateWebValidator()
{
return null;
}
public string ErrorMessage
{
get
{
return webBaseValidator.ErrorMessage;
}
set
{
webBaseValidator.ErrorMessage = value;
}
}
public bool IsValid
{
get
{
return isValid;
}
set
{
isValid = value;
}
}
public void Validate()
{
if(Visible)
{
Control parent = Parent;
bool visible = true;
while(parent != null)
{
if(!parent.Visible)
{
visible = false;
break;
}
parent = parent.Parent;
}
if(visible)
EvaluateIsValid();
} else
{
IsValid = true;
}
}
protected abstract bool EvaluateIsValid();
public string ControlToValidate
{
get
{
return webBaseValidator.ControlToValidate;
}
set
{
webBaseValidator.ControlToValidate = value;
}
}
public ValidatorDisplay Display
{
get
{
return webBaseValidator.Display;
}
set
{
webBaseValidator.Display = value;
}
}
public override string StyleReference
{
get
{
return base.StyleReference;
}
set
{
base.StyleReference = value;
}
}
public override int VisibleWeight
{
get
{
return 0;
}
}
protected void CheckControlValidationProperty(string name,
string propertyName)
{
Control ctrl = NamingContainer.FindControl(name);
if(ctrl == null)
{
// FIXME
throw new ArgumentException("BaseValidator_ControlNotFound");
}
PropertyDescriptor pd = System.Web.UI.WebControls.BaseValidator.GetValidationProperty(ctrl);
if(pd == null)
{
// FIXME
throw new ArgumentException("BaseValidator_BadControlType");
}
}
protected virtual bool ControlPropertiesValid()
{
string ctrl = ControlToValidate;
if(ctrl.Length == 0)
{
// FIXME
throw new ArgumentException("BaseValidator_ControlToValidateBlank");
}
CheckControlValidationProperty(ctrl, "ControlToValidate");
return true;
}
internal bool EvaluateIsValidInternal()
{
try
{
webBaseValidator.Validate();
} catch(Exception)
{
string thisID = ID;
ID = webBaseValidator.ID;
webBaseValidator.ID = thisID;
try
{
webBaseValidator.Validate();
} finally
{
thisID = ID;
ID = webBaseValidator.ID;
webBaseValidator.ID = thisID;
}
}
return webBaseValidator.IsValid;
}
protected override void OnInit(EventArgs e)
{
Page.Validators.Add(this);
base.OnInit(e);
}
protected override void OnPreRender(EventArgs e)
{
if(MobilePage.ActiveForm == Form)
ControlPropertiesValid();
base.OnPreRender(e);
}
}
}
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