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package Frey::Action; |
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use Moose; |
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extends 'Frey::PPI'; |
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with 'Frey::Web'; |
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with 'Frey::Config'; |
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|
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use Clone qw/clone/; |
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use Data::Dump qw/dump/; |
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|
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=head1 DESCRIPTION |
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|
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Invoke any L<Frey> object creating html for with various default parameters |
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if not supplied at invocation. |
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|
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You can force rendering of fields if you define C<render_attribute> sub with |
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desired rendering as in: |
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|
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sub render_pipe { 'radio' } |
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|
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=cut |
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|
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has 'class' => ( |
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is => 'rw', |
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isa => 'Str', |
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required => 1, |
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); |
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|
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has 'params' => ( |
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is => 'rw', |
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isa => 'HashRef', |
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default => sub { {} }, |
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); |
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|
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has 'input_step_size' => ( |
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documentation => 'Resize input fields by this step', |
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is => 'rw', |
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isa => 'Int', |
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# required => 1, |
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default => 20, |
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); |
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|
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=head2 required |
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|
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my @required_attributes = $self->required; |
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my $required_attributes = $self->required; |
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my $required_hash = $self->required('as_hash'); |
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|
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=cut |
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|
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sub required { |
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my ($self,$param) = @_; |
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$self->load_class( $self->class ); |
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|
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my @required = |
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grep { |
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defined $_ && $_->can('name') && |
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! defined( $self->params->{ $_->name } ) && |
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! $_->is_lazy |
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} |
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map { |
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my $attr = $self->class->meta->get_attribute($_); |
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blessed $attr && $attr->is_required && $attr; |
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} $self->class->meta->get_attribute_list; |
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|
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@required = map { $_->name } @required; |
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warn "## required = ",dump( @required ), " for ", $self->class if @required && $self->debug; |
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|
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if ( $param eq 'as_hash' ) { |
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my $hash; |
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map { $hash->{$_}++ } @required; |
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return $hash; |
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} |
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return @required if wantarray; |
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return \@required; |
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} |
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|
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=head2 attributes |
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|
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Generated from attributes specified in code (extracted using L<Frey::PPI>) |
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and required atributes |
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|
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my @class_attributes = $self->attributes; |
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my @class_attributes = $self->attributes; |
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|
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=cut |
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|
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sub attributes { |
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my ( $self ) = @_; |
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my $a; |
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my @attrs = @{ $self->attribute_order }; |
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@attrs = map { $a->{$_}++; $_ } @attrs; |
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push @attrs, $_ foreach grep { ! $a->{$_} } @{ $self->required }; |
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warn "# attributes = ",dump( @attrs ) if $self->debug; |
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return @attrs if wantarray; |
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return \@attrs; |
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} |
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|
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=head2 params_form |
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|
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my $html = $self->params_form; |
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my ($html,$default_params) = $self->params_form; |
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|
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=cut |
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|
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sub params_form { |
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my ( $self ) = @_; |
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|
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foreach my $checkbox ( split(/\s+/, $self->params->{'frey-checkboxes'} ) ) { |
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next if defined $self->params->{ $checkbox }; |
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|
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$self->params->{ $checkbox } = 0; |
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warn "# checkbox $checkbox not ticked"; |
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} |
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|
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my $required = $self->required('as_hash'); |
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if ( $required ) { |
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warn $self->class, " required params ", dump( keys %$required ) if $self->debug; |
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} else { |
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warn "all params available ", dump( $self->params ), " not creating form" if $self->debug; |
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return (undef,$self->params) if wantarray; |
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return; |
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} |
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|
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my $class = $self->class; |
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|
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$self->load_class( $class ); |
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|
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my $default = clone $self->params; # XXX we really don't want to modify params! |
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|
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my $params_config = {}; |
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$params_config = $self->config($class); |
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warn "# $class config = ",dump( $params_config ) if $self->debug; |
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|
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my $form; |
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my $form_id = $class; |
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$form_id =~ s{\W+}{_}g; |
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|
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sub select_values { |
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my ( $name, $attr_type, $values ) = @_; |
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|
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$attr_type ||= '?' and warn "$name doesn't have attr_type"; |
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|
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my $max_value_len = 0; |
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my @values; |
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my $display; |
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my $html = ''; |
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|
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foreach ( @$values ) { |
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my $v = ref($_) eq 'HASH' ? $_->{$name} : $_; |
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if ( $v =~ s/\t+(.+)$// ) { |
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$display->{$v} = $1; |
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} |
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warn "## value '$v'"; |
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push @values, $v; |
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$max_value_len = length($v) if length($v) > $max_value_len; |
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} |
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|
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warn "# max_value_len: $max_value_len"; |
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my $render = eval $class . '->render_' . $name; |
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warn "## render $@"; |
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|
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if ( $#values > 3 && $render !~ m{radio} ) { |
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my $options = join("\n", |
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map { |
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my $d = $display->{$_} || $_; |
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qq|<option value="$_">$d</option>|; |
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} @values |
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); |
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# onchange="alert(this.options[this.selectedIndex].value);" |
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$html = qq| |
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<select title="$attr_type" name="$name"> |
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$options |
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</select> |
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| if $options; |
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} else { |
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my $delimiter = $max_value_len > $self->input_step_size ? qq|<br>| : ''; |
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my $radio = |
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# $delimiter . |
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join("\n", |
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map { strip(qq| |
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<span title="$attr_type"> |
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<input type="radio" name="$name" value="$_"> |
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$_ |
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</span> |
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$delimiter |
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|) } @values |
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); |
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if ( $radio ) { |
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|
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my $size = int( $max_value_len / $self->input_step_size ) + 1; |
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$size = 5 if $size > 5; |
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$size *= $self->input_step_size; |
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$radio .= qq| |
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<span> |
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<input type="radio" name="$name" value=" " onclick="document.getElementById('new-$name').focus();" > |
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<input type="text" name="new-$name" id="new-$name" onchange="clear_radio('$form_id','$name'); this.disable = false;" onblur="this.disable = true;" title="enter new value" size="$size"> |
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</span> |
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|; |
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} |
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$html = qq|<div style="display: block;">$radio</div>|; |
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} |
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|
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return |
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# qq|<input type="text" name="$name">| . |
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$html |
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} |
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|
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|
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my @checkboxes; |
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|
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my $label_width = 1; # minimum |
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|
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my @fields = |
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grep { |
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die "$_ doesn't have meta" unless $class->can('meta'); |
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! $class->meta->get_attribute($_)->is_lazy |
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# && ! defined $default->{$_} # XXX show fields with values |
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&& ! m{^_} # skip _private |
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} $self->attributes; |
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|
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my $fieldset; |
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|
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my $last; |
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foreach my $name ( @fields ) { |
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my $set = $name; |
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$set =~ s{_[^_]+$}{}; |
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push @{ $fieldset->{$set} }, $name; |
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} |
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|
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delete( $fieldset->{$_} ) |
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foreach ( grep { $#{ $fieldset->{$_} } == 0 } keys %$fieldset ); |
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|
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warn "# fieldset = ",dump( $fieldset ); |
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|
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foreach my $name ( @fields ) { |
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my $attr_type = ''; |
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my $type = $name =~ m/^pass/ ? 'password' : 'text'; |
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my $label = $name; |
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my $label_title = ''; |
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my $value_html = ''; |
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|
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my $attr = $class->meta->get_attribute( $name ); |
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$attr_type = $attr->type_constraint->name if $attr->has_type_constraint; |
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|
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my $value = |
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defined $default->{$name} ? $default->{$name} : |
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$attr->has_default ? $attr->default( $name ) : |
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undef; |
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|
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if ( ref($params_config) eq 'HASH' && defined $params_config->{$name} ) { |
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$value = $params_config->{$name}; |
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} elsif ( ref($params_config) eq 'ARRAY' ) { |
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$value_html = select_values( $name, $attr_type, $params_config ); |
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$default->{$name} = $params_config->[0]->{$name}; |
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} elsif ( $attr->has_type_constraint && $attr->type_constraint->can('values') ) { |
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$value_html = select_values( $name, $attr_type, $attr->type_constraint->values ); |
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} elsif ( $class->can( $name . '_available' ) ) { |
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my $available = eval $class . '->' . $name . '_available'; |
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confess $@ if $@; |
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$available =~ s/^\s+//gs; |
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$available =~ s/\s+$//gs; |
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$value_html = select_values( $name, $attr_type, [ split(/\n/,$available) ]); |
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} elsif ( $attr_type =~ m{^Bool} ) { |
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my $suffix = ''; |
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$suffix = ' checked=1' if $value; |
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$value_html = qq|<input type="checkbox" name="$name" title="$attr_type" value=1$suffix>|; |
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push @checkboxes, $name; |
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} elsif ( ! defined $value && ! $required->{$name} ) { |
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$value_html = qq|<tt id="$name">undef</tt><!-- $name = undef -->|; # FIXME if $self->debug |
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} elsif ( $attr_type !~ m{^(Str|Int)$} || $value =~ $Frey::Web::re_html || $name =~ m{text} ) { |
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$value_html = qq|<textarea name="$name" title="$attr_type">$value</textarea>|; |
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} |
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|
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$label_title = qq| title="| . $attr->documentation . qq|"| if $attr->has_documentation; |
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|
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$default->{$name} = $value unless defined $default->{$name}; |
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|
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my $size = ( int( length($value) / $self->input_step_size ) + 1 ) * $self->input_step_size; |
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$value_html = qq|<input type="$type" name="$name" title="$attr_type" value="$value" size="$size">| unless $value_html; |
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|
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# warn "# required $name ", $class->meta->get_attribute( $name )->dump( 2 ); |
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|
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if ( $required->{$name} ) { |
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$label_title .= qq| class="required"|; |
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$value_html =~ s{(<\S+)\s}{$1 class=required }; |
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} |
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$label =~ s/_/ /g; |
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|
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my $set = $name; |
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$set =~ s{_[^_]+$}{}; |
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|
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my ( $before, $after ) = ( '', '<br>' ); |
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|
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if ( my $s = $fieldset->{$set} ) { |
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if ($s->[0] eq $name) { |
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$before = qq| |
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<fieldset> |
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<legend>$set</legend> |
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|; |
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} elsif ( $s->[ -1 ] eq $name ) { |
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$after = qq| |
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</fieldset> |
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|; |
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} |
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$label =~ s{^\Q$set\E\s+}{}; |
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} |
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|
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$form .= qq|$before<label for="$name"$label_title>$label</label>$value_html $after|; |
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my $ll = length($label); |
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$label_width = $ll if $ll > $label_width; |
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} |
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$form .= qq|<input type="hidden" name="frey-checkboxes" value="| . join(' ', @checkboxes) . qq|">| if @checkboxes; |
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|
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$label_width += 2; # XXX padding left+right em |
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|
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$self->add_js('static/Frey/Action.js'); |
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|
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$self->add_css(qq| |
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label,input { |
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display: block; |
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float: left; |
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margin-bottom: 10px; |
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} |
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|
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input:focus { |
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border-color: #cc0; |
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background: #ffc; |
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} |
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|
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label { |
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text-align: right; |
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width: ${label_width}ex; |
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padding-right: 1ex; |
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white-space: nowrap; |
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} |
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|
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label.required { |
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font-weight: bold; |
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} |
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input.required, |
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select.required { |
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border-color: #c00; |
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} |
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|
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br { |
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clear: left; |
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} |
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|
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fieldset { |
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margin: 0; |
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padding: 0; |
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margin-bottom: 0.5em; |
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} |
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|); |
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|
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my $html; |
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|
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# http://www.quirksmode.org/oddsandends/forms.html |
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# $form =~ s{<([^>]+)(name=")([^"]+)(")([^>]*)>}{<$1$2$3$4 id="$3" $5}gs; |
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|
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$html = qq| |
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<h1>$class params</h1> |
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<form name="$form_id" id="$form_id" method="post"> |
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$form |
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<input type="submit" value="Run $class"> |
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</form> |
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| if $form; |
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|
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$self->add_status({ |
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$self->class => { |
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params => $self->params, |
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params_config => $params_config, |
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default => $default, |
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}, |
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}); |
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|
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return ($html,$default) if wantarray; |
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return $html; |
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} |
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|
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=head1 SEE ALSO |
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|
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L<http://www.quirksmode.org/css/forms.html> for info on CSS2 forms |
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|
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=cut |
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|
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1; |
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