Frey/Web/Item.pm

package Frey::Web::Item;

use Data::Dump qw/dump/;
use Carp qw/carp/;

use Moose;
extends 'Frey::Web::Button';
#with 'BonusTypes';

use Moose::Util::TypeConstraints;

enum 'Render_as' => qw( view edit none );
has render_as => ( is => 'rw', isa => 'Render_as', required => 1, default => 'view' );

has fey => (
        is => 'rw',
        isa => 'Object',        # FIXME Strix::User?
#       required => 1,          # XXX if we require it we can't have Add form
);

has fey_class => (
        is => 'rw',
        isa => 'Str',
        required => 1,
);

enum 'Layouts' => qw( div table columns );
has layout => (
        is => 'rw',
        isa => 'Layouts',
        default => 'div',
        required => 1,
);

has 'display_columns' => (
        is => 'rw',
        isa => 'ArrayRef[Str]',
        lazy_build => 1,
);

sub id {
        my $self = shift;
        carp "LEGACY: called ->id";
        $self->fey->id if $self->fey;
}

sub set_from_hash {
        my ($self, $f) = @_;
        my $attrmap = $self->fey->meta->get_attribute_map if $self->fey;
        my $hash;
        foreach my $name ( @{ $self->display_columns } ) {
                my $field_name = $self->field_name($name);
                if(defined $f->{$field_name}) {
                        $hash->{ $name } = $f->{$field_name};

                        if ( defined $attrmap->{$name} ) {
                                my $writer = $attrmap->{$name}->get_write_method;
                                $self->fey->$writer($f->{$field_name});
                        } else {
                                warn "can't store value back into fey->$name";
                        }
                }
        }
        warn "# set_from_hash ", $self->uuid," produced hash = ",dump( $hash ) if $hash;
        return $hash;
}

sub render_iterator {
        confess "BACKWARD INCOMATIBLE CHANGE: render_iterator works ONLY with 2 params!" unless $#_ == 1;
        my ($self, $iterator) = @_;
        my $out;
#       my %attrmap = %{ $self->meta->get_attribute_map };
#       while( my ($name, $attr) = each %attrmap ) {
#               my $reader = $attr->get_read_method;
#               my $val = $self->$reader || '';
        foreach my $name ( @{ $self->display_columns } ) {
                my $field_name = $self->field_name($name);
                my $val;
                $val = $self->fey->$name if $self->fey && $self->fey->can($name);
                $out .= $iterator->( $name, $field_name, ucfirst($name), $val ) || '';  # || '' to shut warnings
        }
        return $out;
}

sub main {
        my ( $self ) = @_;

        warn "# ",$self->uuid, " [", $self->id ,"] fey = ",dump( $self->fey );

        while(1) {
        my $out;
                if ( $self->render_as eq 'edit' ) {
                        $out .= $self->render_edit;
                } elsif ( $self->render_as eq 'view' ) {
                        $out .= $self->render_view;
                } else {
                        warn "no renderer ",dump( $self->render_as ), " skipping...";
                }

                warn $@ if $@;
                warn ">>> ",length($out),"\n";
                my $f = $self->next($out);
                $self->set_from_hash($f);
                $self->exec_buttons($f);
        }
};

sub render_edit {
        my $self = shift;
        warn "# render_edit ",$self->id," ",$self->uuid, " ", $self->layout, "\n";
        my $out = $self->render_iterator( sub {
                #warn "# edit render_iterator ",dump( @_ );
                my ( $name, $field_name, $label, $val ) = @_;
                return if $name =~ /^_/;
                $val ||= '';
                return qq|
                        <tr class="editform">
                        <td class="label">$label</td>
                        <td class="field">
                                <input type=text id="$field_name" name="$field_name" value="$val">
                        </td>
                        </tr>
                | if $self->layout eq 'table';
                return qq|
                        <td class="field">
                                <input type=text id="$field_name" name="$field_name" value="$val">
                        </td>
                | if $self->layout eq 'columns';
                return qq|
                        <div class=fieldholder>
                                <label for="$field_name">$label</label>
                                <div class=field>
                                        <input type=text id="$field_name" name="$field_name" value="$val">
                                </div>
                        </div>
                |;
        });

        return qq|<tr class="editform">$out<td>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'columns';

        $self->render_wrapper_class( $out, 'editform' );
}

sub render_view {
        my $self = shift;
        warn "# render_view ",$self->id," ",$self->uuid," ", $self->layout,"\n";
        my $out = $self->render_iterator( sub {
                #warn "# view render_iterator ",dump( @_ );
                my ( $name, $field_name, $label, $val ) = @_;
                return if $name =~ /^_/;
                $val ||= '';
                return qq|<tr><td>$label</td><td>$val</td></tr>| if $self->layout eq 'table';
                return qq|<td>$val</td>| if $self->layout eq 'columns';
                return qq|
                        <div class=fieldholder>
                                <div class=label>$label</div>
                                <div class=field>$val</div>
                                </div>
                        </div>
                |;
        });
        return qq|<tr>$out<td>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'columns';
        $self->render_wrapper_class( $out, 'view' );
}

sub render_wrapper_class {
        my ( $self, $out, $class ) = @_;
        if ( length($out) == 0 ) {
                carp "no output, skipping";
                return '<!-- no output -->';
        }
        $out =~ s/^\t+//mg;     # XXX compress output
        return $out . qq|<tr><td colspan=2>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'table';
        return qq|<div class="$class">| . $out . $self->render_buttons . qq|</div>|;
}

sub _build_display_columns {
        my $self = shift;

        my $m = $self->fey_class->meta;

        my @cols;

        foreach ( $m->get_attribute_list ) {
                my $attr = $m->get_attribute( $_ );
                warn "_build_display_columns $_\n" if $self->debug;
                # FIXME primary key would have to be read-only!
                push @cols, $_;
        }

        warn "## display_columns ",dump( @cols ) if $self->debug;

        return \@cols;
}

1;
1	dpavlin	123	package Frey::Web::Item;
2	dpavlin	63
3	dpavlin	71	use Data::Dump qw/dump/;
4	dpavlin	89	use Carp qw/carp/;
5	dpavlin	71
6	dpavlin	63	use Moose;
7	dpavlin	96	extends 'Frey::Web::Button';
8	dpavlin	63	#with 'BonusTypes';
9
10	dpavlin	97	use Moose::Util::TypeConstraints;
11	dpavlin	96
12	dpavlin	97	enum 'Render_as' => qw( view edit none );
13	dpavlin	98	has render_as => ( is => 'rw', isa => 'Render_as', required => 1, default => 'view' );
14	dpavlin	97
15	dpavlin	98	has fey => (
16	dpavlin	97	is => 'rw',
17	dpavlin	98	isa => 'Object', # FIXME Strix::User?
18			# required => 1, # XXX if we require it we can't have Add form
19	dpavlin	97	);
20
21	dpavlin	101	has fey_class => (
22			is => 'rw',
23			isa => 'Str',
24			required => 1,
25			);
26
27	dpavlin	97	enum 'Layouts' => qw( div table columns );
28	dpavlin	98	has layout => (
29	dpavlin	97	is => 'rw',
30			isa => 'Layouts',
31			default => 'div',
32			required => 1,
33			);
34
35	dpavlin	98	has 'display_columns' => (
36			is => 'rw',
37			isa => 'ArrayRef[Str]',
38			lazy_build => 1,
39			);
40
41			sub id {
42			my $self = shift;
43			carp "LEGACY: called ->id";
44			$self->fey->id if $self->fey;
45			}
46
47			sub set_from_hash {
48			my ($self, $f) = @_;
49			my $attrmap = $self->fey->meta->get_attribute_map if $self->fey;
50			my $hash;
51			foreach my $name ( @{ $self->display_columns } ) {
52			my $field_name = $self->field_name($name);
53			if(defined $f->{$field_name}) {
54			$hash->{ $name } = $f->{$field_name};
55
56			if ( defined $attrmap->{$name} ) {
57			my $writer = $attrmap->{$name}->get_write_method;
58			$self->fey->$writer($f->{$field_name});
59			} else {
60			warn "can't store value back into fey->$name";
61			}
62			}
63			}
64			warn "# set_from_hash ", $self->uuid," produced hash = ",dump( $hash ) if $hash;
65			return $hash;
66			}
67
68	dpavlin	96	sub render_iterator {
69			confess "BACKWARD INCOMATIBLE CHANGE: render_iterator works ONLY with 2 params!" unless $#_ == 1;
70			my ($self, $iterator) = @_;
71			my $out;
72	dpavlin	98	# my %attrmap = %{ $self->meta->get_attribute_map };
73			# while( my ($name, $attr) = each %attrmap ) {
74			# my $reader = $attr->get_read_method;
75			# my $val = $self->$reader \|\| '';
76			foreach my $name ( @{ $self->display_columns } ) {
77	dpavlin	96	my $field_name = $self->field_name($name);
78	dpavlin	98	my $val;
79			$val = $self->fey->$name if $self->fey && $self->fey->can($name);
80			$out .= $iterator->( $name, $field_name, ucfirst($name), $val ) \|\| ''; # \|\| '' to shut warnings
81	dpavlin	96	}
82			return $out;
83			}
84
85	dpavlin	74	sub main {
86			my ( $self ) = @_;
87
88	dpavlin	98	warn "# ",$self->uuid, " [", $self->id ,"] fey = ",dump( $self->fey );
89	dpavlin	79
90	dpavlin	74	while(1) {
91	dpavlin	79	my $out;
92	dpavlin	98	if ( $self->render_as eq 'edit' ) {
93	dpavlin	86	$out .= $self->render_edit;
94	dpavlin	98	} elsif ( $self->render_as eq 'view' ) {
95	dpavlin	86	$out .= $self->render_view;
96	dpavlin	79	} else {
97	dpavlin	98	warn "no renderer ",dump( $self->render_as ), " skipping...";
98	dpavlin	79	}
99
100	dpavlin	74	warn $@ if $@;
101	dpavlin	82	warn ">>> ",length($out),"\n";
102	dpavlin	71	my $f = $self->next($out);
103	dpavlin	74	$self->set_from_hash($f);
104			$self->exec_buttons($f);
105			}
106	dpavlin	71	};
107
108	dpavlin	86	sub render_edit {
109			my $self = shift;
110	dpavlin	98	warn "# render_edit ",$self->id," ",$self->uuid, " ", $self->layout, "\n";
111	dpavlin	89	my $out = $self->render_iterator( sub {
112			#warn "# edit render_iterator ",dump( @_ );
113			my ( $name, $field_name, $label, $val ) = @_;
114			return if $name =~ /^_/;
115	dpavlin	105	$val \|\|= '';
116	dpavlin	89	return qq\|
117	dpavlin	90	<tr class="editform">
118			<td class="label">$label</td>
119			<td class="field">
120	dpavlin	89	<input type=text id="$field_name" name="$field_name" value="$val">
121			</td>
122			</tr>
123	dpavlin	98	\| if $self->layout eq 'table';
124	dpavlin	89	return qq\|
125	dpavlin	95	<td class="field">
126			<input type=text id="$field_name" name="$field_name" value="$val">
127			</td>
128	dpavlin	98	\| if $self->layout eq 'columns';
129	dpavlin	95	return qq\|
130	dpavlin	89	<div class=fieldholder>
131	dpavlin	90	<label for="$field_name">$label</label>
132	dpavlin	89	<div class=field>
133			<input type=text id="$field_name" name="$field_name" value="$val">
134	dpavlin	86	</div>
135	dpavlin	89	</div>
136			\|;
137			});
138	dpavlin	95
139	dpavlin	98	return qq\|<tr class="editform">$out<td>\| . $self->render_buttons . qq\|</td></tr>\| if $self->layout eq 'columns';
140	dpavlin	95
141	dpavlin	89	$self->render_wrapper_class( $out, 'editform' );
142	dpavlin	86	}
143
144			sub render_view {
145			my $self = shift;
146	dpavlin	98	warn "# render_view ",$self->id," ",$self->uuid," ", $self->layout,"\n";
147	dpavlin	89	my $out = $self->render_iterator( sub {
148			#warn "# view render_iterator ",dump( @_ );
149			my ( $name, $field_name, $label, $val ) = @_;
150			return if $name =~ /^_/;
151	dpavlin	108	$val \|\|= '';
152	dpavlin	98	return qq\|<tr><td>$label</td><td>$val</td></tr>\| if $self->layout eq 'table';
153			return qq\|<td>$val</td>\| if $self->layout eq 'columns';
154	dpavlin	89	return qq\|
155			<div class=fieldholder>
156			<div class=label>$label</div>
157			<div class=field>$val</div>
158	dpavlin	86	</div>
159	dpavlin	89	</div>
160			\|;
161			});
162	dpavlin	98	return qq\|<tr>$out<td>\| . $self->render_buttons . qq\|</td></tr>\| if $self->layout eq 'columns';
163	dpavlin	89	$self->render_wrapper_class( $out, 'view' );
164	dpavlin	86	}
165
166	dpavlin	89	sub render_wrapper_class {
167			my ( $self, $out, $class ) = @_;
168			if ( length($out) == 0 ) {
169			carp "no output, skipping";
170			return '<!-- no output -->';
171			}
172	dpavlin	90	$out =~ s/^\t+//mg; # XXX compress output
173	dpavlin	98	return $out . qq\|<tr><td colspan=2>\| . $self->render_buttons . qq\|</td></tr>\| if $self->layout eq 'table';
174	dpavlin	89	return qq\|<div class="$class">\| . $out . $self->render_buttons . qq\|</div>\|;
175			}
176
177	dpavlin	98	sub _build_display_columns {
178			my $self = shift;
179	dpavlin	63
180	dpavlin	101	my $m = $self->fey_class->meta;
181	dpavlin	74
182	dpavlin	98	my @cols;
183	dpavlin	63
184	dpavlin	98	foreach ( $m->get_attribute_list ) {
185			my $attr = $m->get_attribute( $_ );
186	dpavlin	111	warn "_build_display_columns $_\n" if $self->debug;
187	dpavlin	98	# FIXME primary key would have to be read-only!
188			push @cols, $_;
189			}
190
191	dpavlin	105	warn "## display_columns ",dump( @cols ) if $self->debug;
192	dpavlin	98
193			return \@cols;
194	dpavlin	63	}
195
196			1;