/[Frey]/trunk/lib/Frey/Web/Item.pm
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Contents of /trunk/lib/Frey/Web/Item.pm

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Revision 101 - (show annotations)
Fri Jul 11 22:54:42 2008 UTC (15 years, 9 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web/Row.pm
File size: 6269 byte(s)
another refactor to support multiple databases [0.09]

- Frey::ClassLoader has now saner API (I hope) and ability to load all classes
- Frey::ObjectBrowser needs also fey_class now
- only packages with rows method will now be browsable
1 package Frey::Web::Row;
2
3 use Data::Dump qw/dump/;
4 use Carp qw/carp/;
5
6 use Moose;
7
8 extends 'Frey::Web::Button';
9 #with 'BonusTypes';
10
11 use Moose::Util::TypeConstraints;
12
13 enum 'Render_as' => qw( view edit none );
14 has render_as => ( is => 'rw', isa => 'Render_as', required => 1, default => 'view' );
15
16 has fey => (
17 is => 'rw',
18 isa => 'Object', # FIXME Strix::User?
19 # required => 1, # XXX if we require it we can't have Add form
20 );
21
22 has fey_class => (
23 is => 'rw',
24 isa => 'Str',
25 required => 1,
26 );
27
28 enum 'Layouts' => qw( div table columns );
29 has layout => (
30 is => 'rw',
31 isa => 'Layouts',
32 default => 'div',
33 required => 1,
34 );
35
36 has 'display_columns' => (
37 is => 'rw',
38 isa => 'ArrayRef[Str]',
39 lazy_build => 1,
40 );
41
42 sub id {
43 my $self = shift;
44 carp "LEGACY: called ->id";
45 $self->fey->id if $self->fey;
46 }
47
48 sub set_from_hash {
49 my ($self, $f) = @_;
50 my $attrmap = $self->fey->meta->get_attribute_map if $self->fey;
51 my $hash;
52 foreach my $name ( @{ $self->display_columns } ) {
53 my $field_name = $self->field_name($name);
54 if(defined $f->{$field_name}) {
55 $hash->{ $name } = $f->{$field_name};
56
57 if ( defined $attrmap->{$name} ) {
58 my $writer = $attrmap->{$name}->get_write_method;
59 $self->fey->$writer($f->{$field_name});
60 } else {
61 warn "can't store value back into fey->$name";
62 }
63 }
64 }
65 warn "# set_from_hash ", $self->uuid," produced hash = ",dump( $hash ) if $hash;
66 return $hash;
67 }
68
69 sub render_iterator {
70 confess "BACKWARD INCOMATIBLE CHANGE: render_iterator works ONLY with 2 params!" unless $#_ == 1;
71 my ($self, $iterator) = @_;
72 my $out;
73 # my %attrmap = %{ $self->meta->get_attribute_map };
74 # while( my ($name, $attr) = each %attrmap ) {
75 # my $reader = $attr->get_read_method;
76 # my $val = $self->$reader || '';
77 foreach my $name ( @{ $self->display_columns } ) {
78 my $field_name = $self->field_name($name);
79 my $val;
80 $val = $self->fey->$name if $self->fey && $self->fey->can($name);
81 $out .= $iterator->( $name, $field_name, ucfirst($name), $val ) || ''; # || '' to shut warnings
82 }
83 return $out;
84 }
85
86 sub edit_delete_buttons {
87 my $self = shift;
88
89 return unless $self->fey;
90
91 $self->add_button( 'Edit' => sub {
92 $self->remove_button( 'Delete' );
93 $self->rename_button( 'Edit' => 'Save' );
94 my $out = $self->render_edit;
95 my $f = $self->next($out);
96 my $hash = $self->set_from_hash($f);
97 warn "# Edit/Save hash = ",dump( $hash );
98 $self->fey->update( %$hash ) if $hash;
99 $self->rename_button( 'Save' => 'Edit' );
100 $self->delete_button;
101 });
102 $self->delete_button;
103 }
104
105 sub delete_button {
106 my $self = shift;
107 $self->add_button('Delete' => sub {
108 $self->fey->delete;
109 $self->next( qq|<div class="notice">Deleted id @{[$self->id]}!</div>|);
110 $self->render_as( 'none' );
111 # Strix::Schema->ClearObjectCaches(); # XXX important!
112 });
113 }
114
115 sub main {
116 my ( $self ) = @_;
117
118 if ( ! $self->fey ) {
119 $self->add_button( 'Add' => sub {
120 my $f = shift;
121 my $hash = $self->set_from_hash($f);
122 warn "## Add hash ", $self->uuid, " => ",dump( $hash, $f );
123 delete( $hash->{id} ); # FIXME clear primary key
124 my $u = $self->fey_class->insert( %$hash );
125 warn "Inserted ",$u->id;
126 # XXX store object for later
127 $self->fey( $u );
128 # put ID in widget, so that it know it's not new
129 $self->id( $u->id );
130 $self->render_as( 'view' );
131 $self->edit_delete_buttons;
132 $self->remove_button( 'Add' );
133 });
134 }
135
136 $self->edit_delete_buttons;
137
138 warn "# ",$self->uuid, " [", $self->id ,"] fey = ",dump( $self->fey );
139
140 while(1) {
141 my $out;
142 if ( $self->render_as eq 'edit' ) {
143 $out .= $self->render_edit;
144 } elsif ( $self->render_as eq 'view' ) {
145 $out .= $self->render_view;
146 } else {
147 warn "no renderer ",dump( $self->render_as ), " skipping...";
148 }
149
150 warn $@ if $@;
151 warn ">>> ",length($out),"\n";
152 my $f = $self->next($out);
153 $self->set_from_hash($f);
154 $self->exec_buttons($f);
155 }
156 };
157
158 sub render_edit {
159 my $self = shift;
160 warn "# render_edit ",$self->id," ",$self->uuid, " ", $self->layout, "\n";
161 my $out = $self->render_iterator( sub {
162 #warn "# edit render_iterator ",dump( @_ );
163 my ( $name, $field_name, $label, $val ) = @_;
164 return if $name =~ /^_/;
165 return qq|
166 <tr class="editform">
167 <td class="label">$label</td>
168 <td class="field">
169 <input type=text id="$field_name" name="$field_name" value="$val">
170 </td>
171 </tr>
172 | if $self->layout eq 'table';
173 return qq|
174 <td class="field">
175 <input type=text id="$field_name" name="$field_name" value="$val">
176 </td>
177 | if $self->layout eq 'columns';
178 return qq|
179 <div class=fieldholder>
180 <label for="$field_name">$label</label>
181 <div class=field>
182 <input type=text id="$field_name" name="$field_name" value="$val">
183 </div>
184 </div>
185 |;
186 });
187
188 return qq|<tr class="editform">$out<td>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'columns';
189
190 $self->render_wrapper_class( $out, 'editform' );
191 }
192
193 sub render_view {
194 my $self = shift;
195 warn "# render_view ",$self->id," ",$self->uuid," ", $self->layout,"\n";
196 my $out = $self->render_iterator( sub {
197 #warn "# view render_iterator ",dump( @_ );
198 my ( $name, $field_name, $label, $val ) = @_;
199 return if $name =~ /^_/;
200 return qq|<tr><td>$label</td><td>$val</td></tr>| if $self->layout eq 'table';
201 return qq|<td>$val</td>| if $self->layout eq 'columns';
202 return qq|
203 <div class=fieldholder>
204 <div class=label>$label</div>
205 <div class=field>$val</div>
206 </div>
207 </div>
208 |;
209 });
210 return qq|<tr>$out<td>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'columns';
211 $self->render_wrapper_class( $out, 'view' );
212 }
213
214 sub render_wrapper_class {
215 my ( $self, $out, $class ) = @_;
216 if ( length($out) == 0 ) {
217 carp "no output, skipping";
218 return '<!-- no output -->';
219 }
220 $out =~ s/^\t+//mg; # XXX compress output
221 return $out . qq|<tr><td colspan=2>| . $self->render_buttons . qq|</td></tr>| if $self->layout eq 'table';
222 return qq|<div class="$class">| . $out . $self->render_buttons . qq|</div>|;
223 }
224
225 sub _build_display_columns {
226 my $self = shift;
227
228 my $m = $self->fey_class->meta;
229
230 my @cols;
231
232 foreach ( $m->get_attribute_list ) {
233 my $attr = $m->get_attribute( $_ );
234 warn ">> $_\n";
235 # FIXME primary key would have to be read-only!
236 push @cols, $_;
237 }
238
239 warn "## display_columns ",dump( @cols );
240
241 return \@cols;
242 }
243
244 1;

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