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Item13612: added graphviz-from-table feature
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| # Plugin for Foswiki - The Free and Open Source Wiki, http://foswiki.org/ | ||
| # | ||
| # GraphvizPlugin is Copyright (C) 2015 Michael Daum http://michaeldaumconsulting.com | ||
| # | ||
| # 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; either version 2 | ||
| # of the License, or (at your option) any later version. | ||
| # | ||
| # 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, published at | ||
| # http://www.gnu.org/copyleft/gpl.html | ||
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| package Foswiki::Plugins::GraphvizPlugin::TableParser; | ||
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| use strict; | ||
| use warnings; | ||
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| use Foswiki::Tables::Reader (); | ||
| use Data::Dump qw(dump); | ||
| our @ISA = ('Foswiki::Tables::Reader'); | ||
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| sub parse { | ||
| my ($this, $text, $meta) = @_; | ||
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| $this->SUPER::parse($text, $meta); | ||
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| return $this->{result}; | ||
| } | ||
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| sub getNodes { | ||
| my ($this, $tableIndex, $params) = @_; | ||
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| my $table = $this->{result}[$tableIndex]; | ||
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| return unless $table; | ||
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| $params->{nodecol} = 0 unless defined $params->{nodecol}; | ||
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| my @lines = (); | ||
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| # generate nodes | ||
| my $index = 0; | ||
| foreach my $table ($table->getCellData) { | ||
| foreach my $row (@$table) { | ||
| $index++; | ||
| next if $index == 1;# skip header | ||
| my @attrs = (); | ||
| push @attrs, "$params->{nodeattrcol}]\"" if defined $params->{nodeattrcol}; | ||
| my $attrs = ''; | ||
| $attrs = "[".join(", ", @attrs)."]" if @attrs; | ||
| push @lines, " \"$row->[$params->{nodecol}]\" $attrs"; | ||
| } | ||
| } | ||
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| return join("\n", @lines); | ||
| } | ||
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| sub getEdges { | ||
| my ($this, $tableIndex, $params) = @_; | ||
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| my $table = $this->{result}[$tableIndex]; | ||
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| return unless $table; | ||
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| $params->{sourcecol} = 0 unless defined $params->{sourcecol}; | ||
| $params->{targetcol} = 1 unless defined $params->{targetcol}; | ||
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| my @lines = (); | ||
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| # generate edges | ||
| my $index = 0; | ||
| foreach my $table ($table->getCellData) { | ||
| foreach my $row (@$table) { | ||
| $index++; | ||
| next if $index == 1;# skip header | ||
| my @attrs = (); | ||
| push @attrs, "xlabel=\"$row->[$params->{labelcol}]\"" if defined $params->{labelcol}; | ||
| push @attrs, "$params->{edgeattrcol}]\"" if defined $params->{edgeattrcol}; | ||
| my $attrs = ''; | ||
| $attrs = "[".join(", ", @attrs)."]" if @attrs; | ||
| push @lines, " \"$row->[$params->{sourcecol}]\" -> \"$row->[$params->{targetcol}]\" $attrs"; | ||
| } | ||
| } | ||
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| return join("\n", @lines); | ||
| } | ||
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| sub line { | ||
| my ( $this, $line ) = @_; | ||
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| # ignore all non-table lines | ||
| } | ||
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| 1; | ||
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