Mercurial > pub > Impl
view Lib/Form/Filter.pm @ 99:6dd659f6f66c
Minor changes, DOM schema is in development (in the aspect of a forms)
author | wizard |
---|---|
date | Wed, 05 May 2010 17:33:55 +0400 |
parents | 16ada169ca75 |
children |
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package Form::Filter; use strict; use Common; our @ISA = qw(Object); use constant { CTX_SINGLE => 1, # значение поля CTX_SET => 2, # множество значений CTX_EXISTENT => 4 # только существующие значения }; BEGIN { DeclareProperty Name => ACCESS_READ; DeclareProperty Message => ACCESS_READ; } sub CTOR { my ($this,$name,$message) = @_; $this->{$Name} = $name or die new Exception('A filter name is required'); $this->{$Message} = $message; } sub FormatMessage { my ($this,$object) = @_; (my $message = $object->Attributes->{$this->{$Name}} || $this->{$Message} || ($Common::Debug ? "$this->{$Name}: %name%" : '')) =~ s{%(\w+(?:\.\w+)*)%}{ my $value = $object->Attributes->{$1} || ($Common::Debug ? $object->Name.'.'.$1 : ''); }ge; return $message; } package Form::FilterResult; use Common; our @ISA = qw(Object); use constant { STATE_ERROR => 0, # ошибочное значение STATE_SUCCESS => 1, # значение корректное, можно продолжать выполнение STATE_SUCCESS_STOP => 2, # значение корректное, выполнение остальных фильтров не требуется STATE_SUCCESS_STAY => 3 # значение корректное, выполнение данного фильтра более не требуется }; BEGIN { DeclareProperty State => ACCESS_READ; DeclareProperty Message => ACCESS_READ; DeclareProperty Target => ACCESS_READ; DeclareProperty Container => ACCESS_READ; } sub CTOR { my $this = shift; $this->SUPER::CTOR(@_); UNIVERSAL::isa($this->{$Target},'Form::Item') or UNIVERSAL::isa($this->{$Container},'Form::Container') or die new Exception("Invalid Target or Container property") if $this->{$State} == STATE_ERROR; } sub Item { my $this = shift; return ref $this->{$Target} ? ($this->{$Target}->isa('Form::Item') ? $this->{$Target} : $this->{$Container}->Item( $this->{$Target}->isMulti ? $this->{$Target}->Name . '0' : $this->{$Target}->Name ) ) : ($this->{$Target}); } 1;