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1 | #!/usr/bin/perl |
2 | |
3 | # ------------------------------------------------------------------- |
4 | # $Id: auto-viv.cgi,v 1.1 2003-04-24 19:58:39 kycl4rk Exp $ |
5 | # ------------------------------------------------------------------- |
6 | # Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org> |
7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
22 | |
23 | =head1 NAME |
24 | |
25 | auto-viv.cgi |
26 | |
27 | =head1 DESCRIPTION |
28 | |
29 | A CGI script for transforming SQL schemas into pictures, either GraphViz |
30 | graphs or ER diagrams. Basically, a simple web-form front-end for the |
31 | myriad options available to "auto-dia.pl" and "auto-graph.pl." |
32 | |
33 | =cut |
34 | |
35 | use strict; |
36 | use CGI; |
37 | use SQL::Translator; |
38 | |
39 | my $q = CGI->new; |
40 | |
41 | eval { |
42 | if ( $q->param ) { |
43 | my $t = SQL::Translator->new( |
44 | from => $q->param('database'), |
45 | producer_args => { |
46 | image_type => $q->param('output_type') || 'png', |
47 | title => $q->param('title') || 'Schema', |
48 | natural_join => $q->param('natural_join') eq 'no' ? 0 : 1, |
49 | join_pk_only => $q->param('natural_join') eq 'pk_only' ? 1 : 0, |
50 | add_color => $q->param('add_color'), |
51 | skip_fields => $q->param('skip_fields'), |
52 | show_fk_only => $q->param('show_fk_only'), |
53 | font_size => $q->param('font_size'), |
54 | no_columns => $q->param('no_columns'), |
55 | node_shape => $q->param('node_shape'), |
56 | }, |
57 | ) or die SQL::Translator->error; |
58 | |
59 | my $data; |
60 | if ( $q->param('schema') ) { |
61 | $data = $q->param('schema'); |
62 | } |
63 | elsif ( my $fh = $q->upload('schema_file') ) { |
64 | local $/; |
65 | $data = <$fh>; |
66 | } |
67 | |
68 | die "No schema provided!\n" unless $data; |
69 | $t->data( $data ); |
70 | $t->producer( $q->param('do_graph') ? 'GraphViz' : 'Diagram' ); |
71 | my $output = $t->translate or die $t->error; |
72 | |
73 | my $image_type = $q->param('output_type') || 'png'; |
74 | print $q->header( -type => "image/$image_type" ), $output; |
75 | } |
76 | else { |
77 | show_form( $q ); |
78 | } |
79 | }; |
80 | |
81 | if ( my $error = $@ ) { |
82 | print $q->header, $q->start_html('Error'), |
83 | $q->h1('Error'), $error, $q->end_html; |
84 | } |
85 | |
86 | # ------------------------------------------------------------------- |
87 | sub show_form { |
88 | my $q = shift; |
89 | my $title = 'SQL::Translator'; |
90 | |
91 | print $q->header, |
92 | $q->start_html( -title => $title ), |
93 | $q->h1( qq[<a href="http://sqlfairy.sourceforge.net">$title</a>] ), |
94 | $q->start_form(-enctype => 'multipart/form-data'), |
95 | $q->table( { -border => 1 }, |
96 | $q->Tr( |
97 | $q->td( [ |
98 | 'Paste your schema here:', |
99 | $q->textarea( |
100 | -name => 'schema', |
101 | -rows => 10, |
102 | -columns => 60, |
103 | ), |
104 | ] ), |
105 | ), |
106 | $q->Tr( |
107 | $q->td( [ |
108 | 'Or upload your schema file:', |
109 | $q->filefield( -name => 'schema_file'), |
110 | ] ), |
111 | ), |
112 | $q->Tr( |
113 | $q->td( [ |
114 | 'Database:', |
115 | $q->radio_group( |
116 | -name => 'database', |
117 | -values => [ 'MySQL', 'PostgreSQL', 'Oracle' ], |
118 | -default => 'MySQL', |
119 | -rows => 3, |
120 | ), |
121 | ] ), |
122 | ), |
123 | $q->Tr( |
124 | $q->td( [ |
125 | 'Title:', |
126 | $q->textfield('title'), |
127 | ] ), |
128 | ), |
129 | $q->Tr( |
130 | $q->td( [ |
131 | 'Output Type:', |
132 | $q->radio_group( |
133 | -name => 'output_type', |
134 | -values => [ 'png', 'jpeg' ], |
135 | -default => 'png', |
136 | -rows => 2, |
137 | ), |
138 | ] ), |
139 | ), |
140 | $q->Tr( |
141 | $q->td( [ |
142 | 'Perform Natural Joins:', |
143 | $q->radio_group( |
144 | -name => 'natural_join', |
145 | -values => [ 'no', 'yes', 'pk_only' ], |
146 | -labels => { |
147 | no => 'No', |
148 | yes => 'Yes, on all like-named fields', |
149 | pk_only => 'Yes, but only from primary keys' |
150 | }, |
151 | -default => 'no', |
152 | -rows => 3, |
153 | ), |
154 | ] ), |
155 | ), |
156 | $q->Tr( |
157 | $q->td( [ |
158 | 'Skip These Fields in Natural Joins:', |
159 | $q->textarea( |
160 | -name => 'skip_fields', |
161 | -rows => 3, |
162 | -columns => 60, |
163 | ), |
164 | ] ), |
165 | ), |
166 | $q->Tr( |
167 | $q->td( [ |
168 | 'Color:', |
169 | $q->radio_group( |
170 | -name => 'add_color', |
171 | -values => [ 1, 0 ], |
172 | -labels => { |
173 | 1 => 'Yes', |
174 | 0 => 'No' |
175 | }, |
176 | -default => 1, |
177 | -rows => 2, |
178 | ), |
179 | ] ), |
180 | ), |
181 | $q->Tr( |
182 | $q->td( [ |
183 | 'Show Only Foreign Keys *:', |
184 | $q->radio_group( |
185 | -name => 'show_fk_only', |
186 | -values => [ 1, 0 ], |
187 | -default => 0, |
188 | -labels => { |
189 | 1 => 'Yes', |
190 | 0 => 'No', |
191 | }, |
192 | -rows => 2, |
193 | ), |
194 | ] ), |
195 | ), |
196 | $q->Tr( |
197 | $q->td( [ |
198 | 'Font Size *:', |
199 | $q->radio_group( |
200 | -name => 'font_size', |
201 | -values => [ qw( small medium large ) ], |
202 | -default => 'medium', |
203 | -rows => 3, |
204 | ), |
205 | ] ), |
206 | ), |
207 | $q->Tr( |
208 | $q->td( [ |
209 | 'Number of Columns *:', |
210 | $q->textfield('no_columns'), |
211 | ] ), |
212 | ), |
213 | $q->Tr( |
214 | $q->td( [ |
215 | 'Layout **:', |
216 | $q->radio_group( |
217 | -name => 'layout', |
218 | -values => [ qw( dot neato twopi ) ], |
219 | -default => 'neato', |
220 | -rows => 3, |
221 | ), |
222 | ] ), |
223 | ), |
224 | $q->Tr( |
225 | $q->td( [ |
226 | 'Node Shape **:', |
227 | $q->radio_group( |
228 | -name => 'node_shape', |
229 | -values => [ qw( record plaintext ellipse |
230 | circle egg triangle box diamond trapezium |
231 | parallelogram house hexagon octagon |
232 | ) ], |
233 | -default => 'ellipse', |
234 | -rows => 13, |
235 | ), |
236 | ] ), |
237 | ), |
238 | $q->Tr( |
239 | $q->td( |
240 | { -colspan => 2, -align => 'center' }, |
241 | $q->submit( |
242 | -name => 'do_diagram', |
243 | -value => 'Create ER Diagram' |
244 | ), |
245 | $q->submit( |
246 | -name => 'do_graph', |
247 | -value => 'Create Graph' |
248 | ), |
249 | $q->br, |
250 | q[ |
251 | <small> |
252 | * -- Applies to diagram only<br> |
253 | ** -- Applies to graph only<br> |
254 | </small> |
255 | ], |
256 | ), |
257 | ), |
258 | ), |
259 | $q->end_form, |
260 | $q->end_html; |
261 | } |
262 | |
263 | =pod |
264 | |
265 | =head1 AUTHOR |
266 | |
267 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt> |
268 | |
269 | =cut |