--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Lib/Form/ValueItem.pm	Tue Jul 14 12:54:37 2009 +0400
@@ -0,0 +1,47 @@
+package Form::ValueItem;
+use strict;
+use base qw(Form::Item);
+use Common;
+use Form::Filter;
+
+BEGIN {
+    DeclareProperty Value => ACCESS_ALL;
+    DeclareProperty Type => ACCESS_READ;
+    DeclareProperty Schema => ACCESS_READ;
+}
+
+sub CTOR {
+    my ($this,%args) = @_;
+    
+    $this->SUPER::CTOR(@args{qw(Id Form Parent Attributes)});
+    $this->{$Type} = $args{'Type'};
+    $this->{$Schema} = $args{'Schema'} or die new Exception('A field schema is required');
+}
+
+sub isEmpty {
+    my ($this) = @_;
+    
+    return length $this->{$Value} ? 0 : 1;
+}
+
+sub Validate {
+    my ($this,$rhDisableFilters) = @_;
+    
+    $rhDisableFilters ||= {};
+
+    my @errors;
+
+    foreach my $filter (grep {$_->SUPPORTED_CONTEXT & (Form::Filter::CTX_SINGLE) and not exists $rhDisableFilters->{$_}} map {$_->Instance} $this->{$Schema}->Filters) {
+        my $result = $filter->Invoke($this,Form::Filter::CTX_SINGLE | Form::Filter::CTX_EXISTENT,$this->{$Schema},$this->Parent);
+        if ($result->State == Form::FilterResult::STATE_SUCCESS_STOP) {
+            return ();
+        } elsif ($result->State == Form::FilterResult::STATE_ERROR) {
+            push @errors,$result;
+        }
+    }
+    
+    return @errors;
+}
+
+
+1;