package SQL::Translator::Producer::Diagram;
-# -------------------------------------------------------------------
-# Copyright (C) 2002-2009 SQLFairy Authors
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; version 2.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-# -------------------------------------------------------------------
-
=head1 NAME
SQL::Translator::Producer::Diagram - ER diagram producer for SQL::Translator
use SQL::Translator;
- my $t = SQL::Translator->new(
- from => 'MySQL',
+ my $t = SQL::Translator->new(
+ from => 'MySQL',
to => 'GraphViz',
producer_args => {
# All args are optional
- out_file => 'schema.png',# if not provided will go to STDOUT
+ out_file => 'schema.png',# if not provided will return from translate()
output_type => 'png', # is default or 'jpeg'
title => 'My Schema', # default is filename
font_size => 'medium', # is default or 'small,' 'large'
=cut
use strict;
+use warnings;
use GD;
use Data::Dumper;
use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils qw(debug);
-use vars qw[ $VERSION $DEBUG ];
-$VERSION = '1.59';
+our $DEBUG;
+our $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
use constant VALID_FONT_SIZE => {
my %skip_field = map { $_, 1 } (
ref $args->{'skip_fields'} eq 'ARRAY'
? @{ $args->{'skip_fields'} }
- : split ( /\s*,\s*/, $args->{'skip_fields'} )
+ : split ( /\s*,\s*/, $args->{'skip_fields'}||'' )
);
my %skip_table = map { $_, 1 } (
ref $args->{'skip_tables'} eq 'ARRAY'
? @{ $args->{'skip_tables'} }
- : split ( /\s*,\s*/, $args->{'skip_tables'} )
+ : split ( /\s*,\s*/, $args->{'skip_tables'}||'' )
);
my @skip_tables_like = map { qr/$_/ } (
ref $args->{'skip_tables_like'} eq 'ARRAY'
? @{ $args->{'skip_tables_like'} }
- : split ( /\s*,\s*/, $args->{'skip_tables_like'} )
+ : split ( /\s*,\s*/, $args->{'skip_tables_like'}||'' )
);
my @table_names;
skip_fields => $args->{'skip_fields'},
);
- my $g = $schema->as_graph_pm;
+ my $g = $schema->as_graph_pm;
my $d = Graph::Traversal::DFS->new( $g, next_alphabetic => 1 );
$d->preorder;
- @table_names = $d->dfs;
+ @table_names = $d->dfs;
}
else {
@table_names = map { $_->name } $schema->get_tables;
# Layout the image.
#
my $font
- = $font_size eq 'small' ? gdTinyFont
- : $font_size eq 'medium' ? gdSmallFont
- : $font_size eq 'large' ? gdLargeFont
+ = $font_size eq 'small' ? gdTinyFont
+ : $font_size eq 'medium' ? gdSmallFont
+ : $font_size eq 'large' ? gdLargeFont
: gdGiantFont;
my $num_tables = scalar @table_names;
$num_columns ||= .5;
my $no_per_col = sprintf( "%.0f", $num_tables/$num_columns + .5 );
- my @shapes;
+ my @shapes;
my ( $max_x, $max_y ); # the furthest x and y used
my $orig_y = 40; # used to reset y for each column
my ( $x, $y ) = (30,$orig_y); # where to start
}
my $top = $y;
- push @shapes,
+ push @shapes,
[ 'string', $font, $this_col_x, $y, $table_name, 'black' ];
$y += $font->height + 2;
my $below_table_name = $y;
$y += 2;
- my $this_max_x =
+ my $this_max_x =
$this_col_x + ($font->width * length($table_name));
debug("Processing table '$table_name'");
my $desc = $f->data_type;
$desc .= '('.$f->size.')' if $f->size &&
$f->data_type =~ /^(VAR)?CHAR2?$/i;
-
+
my $nlen = length $name;
my $dlen = length $desc;
- $max_name = $nlen if $nlen > $max_name;
- $max_desc = $dlen if $dlen > $max_desc;
+ $max_name = $nlen if $nlen > ($max_name||0);
+ $max_desc = $dlen if $dlen > ($max_desc||0);
push @fld_desc, [ $name, $desc, $f->{'name'}, $is_pk, $attr ];
}
fld_name => $orig_name,
};
- push @imap_coords, [
+ push @imap_coords, [
$imap_url."#$table_name-$orig_name",
$this_col_x, $y - $font->height, $length, $y_link,
];
$this_max_x += 5;
$table_x{ $table_name } = $this_max_x + 5;
- push @shapes, [ 'line', $this_col_x - 5, $below_table_name,
+ push @shapes, [ 'line', $this_col_x - 5, $below_table_name,
$this_max_x, $below_table_name, 'black' ];
my @bounds = ( $this_col_x - 5, $top - 5, $this_max_x, $y + 5 );
if ( $add_color ) {
- unshift @shapes, [
- 'filledRectangle',
+ unshift @shapes, [
+ 'filledRectangle',
$bounds[0], $bounds[1],
$this_max_x, $below_table_name,
- 'khaki'
+ 'khaki'
];
unshift @shapes, [ 'filledRectangle', @bounds, 'white' ];
}
- push @imap_coords, [
+ push @imap_coords, [
$imap_url."#$table_name",
$bounds[0], $bounds[1], $this_max_x, $below_table_name,
];
push @shapes, [ 'rectangle', @bounds, 'black' ];
- $max_x = $this_max_x if $this_max_x > $max_x;
+ $max_x = $this_max_x if $this_max_x > ($max_x||0);
$y += 25;
-
+
if ( ++$no_this_col == $no_per_col ) {# if we've filled up this column
$cur_col++; # up the column number
$no_this_col = 0; # reset the number of tables
$max_x += $gutter; # push the x over for next column
$this_col_x = $max_x; # remember the max x for this col
- $max_y = $y if $y > $max_y; # note the max y
+ $max_y = $y if $y > ($max_y||0); # note the max y
$y = $orig_y; # reset the y for next column
}
}
if ( $natural_join ) {
for my $field_name ( keys %nj_registry ) {
my @positions;
- my @table_names =
+ my @table_names =
@{ $nj_registry{ $field_name } || [] } or next;
next if scalar @table_names == 1;
}
else {
for my $pair ( @fk_registry ) {
- push @position_bunches, [
+ push @position_bunches, [
$coords{$pair->[0][0]}{ $pair->[0][1] }{'coords'},
$coords{$pair->[1][0]}{ $pair->[1][1] }{'coords'},
];
my $diff = 0;
if ( $x1 == $x2 ) {
while ( $horz_taken{ $x1 + $diff } ) {
- $diff = $side1 eq 'left' ? $diff - 2 : $diff + 2;
+ $diff = $side1 eq 'left' ? $diff - 2 : $diff + 2;
}
$horz_taken{ $x1 + $diff } = 1;
}
if ( $side2 eq 'left' ) {
$end = $x2 - $offset + $diff;
- }
+ }
else {
$end = $col2_right + $diff;
- }
+ }
- push @shapes,
+ push @shapes,
[ 'line', $x1, $y1, $start, $y1, 'cadetblue' ];
- push @shapes,
+ push @shapes,
[ 'line', $start, $y1, $end, $y2, 'cadetblue' ];
- push @shapes,
+ push @shapes,
[ 'line', $end, $y2, $x2, $y2, 'cadetblue' ];
if ( $is_directed ) {
||
$side1 eq 'left' && $side2 eq 'left'
) {
- push @shapes, [
- 'line', $x2 - 3, $y2 - 3, $x2, $y2, 'cadetblue'
+ push @shapes, [
+ 'line', $x2 - 3, $y2 - 3, $x2, $y2, 'cadetblue'
];
- push @shapes, [
- 'line', $x2 - 3, $y2 + 3, $x2, $y2, 'cadetblue'
+ push @shapes, [
+ 'line', $x2 - 3, $y2 + 3, $x2, $y2, 'cadetblue'
];
- push @shapes, [
- 'line', $x2 - 3, $y2 - 3, $x2 - 3, $y2 +3,
- 'cadetblue'
+ push @shapes, [
+ 'line', $x2 - 3, $y2 - 3, $x2 - 3, $y2 +3,
+ 'cadetblue'
];
}
else {
- push @shapes, [
- 'line', $x2 + 3, $y2 - 3, $x2, $y2, 'cadetblue'
+ push @shapes, [
+ 'line', $x2 + 3, $y2 - 3, $x2, $y2, 'cadetblue'
];
- push @shapes, [
- 'line', $x2 + 3, $y2 + 3, $x2, $y2, 'cadetblue'
+ push @shapes, [
+ 'line', $x2 + 3, $y2 + 3, $x2, $y2, 'cadetblue'
];
- push @shapes, [
- 'line', $x2 + 3, $y2 - 3, $x2 + 3, $y2 +3,
- 'cadetblue'
+ push @shapes, [
+ 'line', $x2 + 3, $y2 - 3, $x2 + 3, $y2 +3,
+ 'cadetblue'
];
}
}
#
my $large_font = gdLargeFont;
my $title_len = $large_font->width * length $title;
- push @shapes, [
- 'string', $large_font, $max_x/2 - $title_len/2, 10, $title, 'black'
+ push @shapes, [
+ 'string', $large_font, $max_x/2 - $title_len/2, 10, $title, 'black'
];
if ( %legend ) {
$max_y += 5;
- push @shapes, [
+ push @shapes, [
'string', $font, $x, $max_y - $font->height - 4, 'Legend', 'black'
];
$max_y += $font->height + 4;
my $longest;
for my $len ( map { length $_ } values %legend ) {
- $longest = $len if $len > $longest;
+ $longest = $len if $len > ($longest||0);
}
$longest += 2;
while ( my ( $key, $shape ) = each %legend ) {
my $space = $longest - length $shape;
- push @shapes, [
- 'string', $font, $x, $max_y - $font->height - 4,
+ push @shapes, [
+ 'string', $font, $x, $max_y - $font->height - 4,
join( '', $shape, ' ' x $space, $key ), 'black'
];
my $sig = 'Created by SQL::Translator ' . $t->version;
my $sig_len = $font->width * length $sig;
- push @shapes, [
- 'string', $font, $max_x - $sig_len, $max_y - $font->height - 4,
+ push @shapes, [
+ 'string', $font, $max_x - $sig_len, $max_y - $font->height - 4,
$sig, 'black'
];
for my $rec ( @imap_coords ) {
my $href = shift @$rec;
print $fh q[<area coords="].join(',', @$rec).qq[" href="$href">\n];
- }
+ }
print $fh qq[</body></html>];
close $fh;
}
1;
-# -------------------------------------------------------------------
-
=pod
=head1 AUTHOR
projects / dbsrgits/SQL-Translator.git / blobdiff