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package Continuity::Widget; |
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|
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our $VERSION = '0.01'; |
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|
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=head1 NAME |
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|
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Continuity::Widget - Handy Moose-based Widget Thingie for Continuity Apps |
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|
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=head1 SYNOPSIS |
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|
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use Continuity::Widget; |
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|
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=head1 DESCRIPTION |
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|
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Don't quite know what this will be yet. |
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|
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=cut |
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|
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use Data::Dump qw/dump/; |
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use Data::UUID; |
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use Moose; |
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with 'Continuity::Coro::Moose'; |
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|
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# List of callbacks, buttons for now |
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has callback => ( is => 'rw', default => sub {{}} ); |
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has callback_order => ( is => 'rw', isa => 'ArrayRef', default => sub { [] }); |
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|
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has renderer => ( is => 'rw', isa => 'HashRef', default => sub {{}}); |
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|
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has 'uuid' => ( |
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is => 'ro', |
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isa => 'Str', |
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default => sub { Data::UUID->new->create_str } |
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); |
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|
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has render_as => ( is => 'rw', isa => 'Str', required => 1, default => 'view' ); |
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|
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# Given a name generate a unique field ID |
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sub field_name { |
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my ($self, $name) = @_; |
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return $self->uuid . '-' . $name; |
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} |
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|
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sub render_iterator { |
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confess "BACKWARD INCOMATIBLE CHANGE: render_iterator works ONLY with 2 params!" unless $#_ == 1; |
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my ($self, $iterator) = @_; |
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my %attrmap = %{ $self->meta->get_attribute_map }; |
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my $out; |
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while( my ($name, $attr) = each %attrmap ) { |
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my $reader = $attr->get_read_method; |
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my $val = $self->$reader || ''; |
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my $field_name = $self->field_name($name); |
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$out .= $iterator->( $name, $field_name, $attr->label, $val ) || ''; # || '' to shut warnings |
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} |
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return $out; |
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} |
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|
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|
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# This renders an input form. Need to make the renderer selection dynamic |
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sub render_edit { |
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my ($self) = @_; |
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my $out = '<div class="editform">'; |
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my %attrmap = %{ $self->meta->get_attribute_map }; |
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while( my ($name, $attr) = each %attrmap ) { |
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next if $name =~ /^_/; |
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my $reader = $attr->get_read_method; |
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my $val = $self->$reader || ''; |
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my $field_name = $self->field_name($name); |
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$out .= qq| |
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<div class=fieldholder> |
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<div class=label> @{[$attr->label]} </div> |
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<div class=field> |
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<input type=text id="$field_name" name="$field_name" value="@{[$val]}"> |
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</div> |
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</div> |
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|; |
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} |
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$out .= $self->render_buttons; |
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$out .= '</div>'; |
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return $out; |
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} |
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|
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sub render_view { |
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my ($self) = @_; |
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my $out = '<div class="view">'; |
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my %attrmap = %{ $self->meta->get_attribute_map }; |
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while( my ($name, $attr) = each %attrmap ) { |
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#next if $name =~ /^_/; |
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my $reader = $attr->get_read_method; |
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my $val = $self->$reader || ''; |
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my $field_name = $self->field_name($name); |
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$out .= qq| |
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<div class=fieldholder> |
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<div class=label> @{[$attr->label]} </div> |
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<div class=field> |
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@{[$val]} |
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</div> |
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</div> |
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|; |
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} |
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$out .= $self->render_buttons; |
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$out .= '</div>'; |
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return $out; |
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} |
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|
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sub set_from_hash { |
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my ($self, $f) = @_; |
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my %attrmap = %{ $self->meta->get_attribute_map }; |
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my $hash; |
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while( my ($name, $attr) = each %attrmap ) { |
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my $field_name = $self->field_name($name); |
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if(defined $f->{$field_name}) { |
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my $writer = $attr->get_write_method; |
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$self->$writer($f->{$field_name}); |
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$hash->{ $name } = $f->{$field_name}; |
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} |
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} |
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warn "# set_from_hash ", $self->uuid," produced hash = ",dump( $hash ) if $hash; |
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return $hash; |
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} |
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|
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sub add_button { |
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my ($self, $name, $callback) = @_; |
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$self->callback->{$name} = $callback; |
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push @{ $self->callback_order }, $name; |
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warn "## callback_order = ",dump( $self->callback_order ); |
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} |
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|
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sub remove_button { |
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my ( $self, $name ) = @_; |
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delete( $self->callback->{$name} ); |
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my @order = grep { !/^\Q$name\E$/ } @{ $self->callback_order }; |
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warn "# remove_button $name order = ",dump( @order ); |
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$self->callback_order( \@order ); |
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} |
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|
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sub rename_button { |
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my ( $self, $from, $to ) = @_; |
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$self->callback->{$to} = delete( $self->callback->{$from} ); |
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my @order = ( map { s/^\Q$from\E$/$to/; $_ } @{ $self->callback_order } ); |
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warn "# rename_button $from => $to order = ",dump( @order ); |
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$self->callback_order( \@order ); |
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} |
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|
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sub render_buttons { |
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my ($self) = @_; |
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my $out = ''; |
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foreach my $name ( @{ $self->callback_order } ) { |
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my $btn_name = $self->field_name($name); |
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$out .= qq{ |
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<input type="submit" name="@{[$btn_name]}" value="$name"> |
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}; |
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} |
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return $out; |
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} |
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|
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sub exec_buttons { |
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my ($self, $f) = @_; |
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foreach my $name (keys %{$self->callback}) { |
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my $btn_name = $self->field_name($name); |
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if($f->{$btn_name}) { |
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$self->callback->{$name}->($f); |
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} |
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} |
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} |
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|
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sub main { |
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my ($self) = @_; |
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$self->renderer->{view} = \&render_view; |
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$self->renderer->{edit} = \&render_edit; |
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while(1) { |
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my $out = $self->renderer->{ $self->render_as }->($self); |
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my $f = $self->next($out); |
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$self->set_from_hash($f); |
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$self->exec_buttons($f); |
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} |
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} |
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|
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=head1 SEE ALSO |
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|
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L<Continuity>, http://continuity.tlt42.org/ |
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|
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=head1 AUTHOR |
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|
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awwaiid, E<lt>awwaiid@thelackthereof.orgE<gt>, L<http://thelackthereof.org/> |
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|
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=head1 COPYRIGHT AND LICENSE |
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|
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Copyright (C) 2008 by Brock Wilcox |
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|
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself, either Perl version 5.10.0 or, |
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at your option, any later version of Perl 5 you may have available. |
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|
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=cut |
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|
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1; |
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