Webpacus/Controller/Editor.pm

package Webpacus::Controller::Editor;

use strict;
use warnings;
use base 'Catalyst::Controller';

use HTML::Tidy;

=head1 NAME

Webpacus::Controller::Editor - AJAX template and CSS editor

=head1 SYNOPSIS

See L<Webpacus>, L<WebPAC>

=head1 DESCRIPTION

Catalyst Controller.

=head1 METHODS

=over 4

=item default

=cut

sub default : Private {
        my ( $self, $c ) = @_;

        my $webpac = $c->comp('Model::WebPAC');
        my $params = $c->req->params;
        my $log = $c->log;

        my $template_filename = 
                $c->req->params->{template_filename} ||
                $c->config->{webpac}->{default_template} ||
                $c->log->fatal("need default_template");

        $c->stash->{template_filename} = $template_filename;

        $c->stash->{template} = 'editor.tt';
}

=item template

fetch template using C<template_filename> in request or
C<< webpac->default_template >>.

=cut

sub template : Local {
        my ( $self, $c ) = @_;

        my $template_filename = 
                $c->req->params->{template_filename} ||
                $c->config->{webpac}->{default_template} ||
                $c->log->fatal("need default_template");

        my $webpac = $c->comp('Model::WebPAC');

        my $template_path = $webpac->{template_path} || $c->log->fatal("can't find template_path in Model::WebPAC");

        my $template_full_path = "$template_path/$template_filename";

        if ($c->req->params->{save_template}) {

                $c->response->content_type('text/html; charset=utf-8'); 

                my $t = $c->req->params->{template_content};
                my $size = length($t);
                $c->log->debug("saving $template_full_path, $size bytes");
                if ($webpac->save_html( $template_full_path, $t )) {
                        $c->res->output("<span>saved $template_filename, $size bytes</span>");
                } else {
                        $c->res->output("<span class=\"error\">error saving $template_filename!</span>");
                }
                return;
        }

        $c->log->debug("loading $template_full_path");

        if (! -r $template_full_path) {
                $c->log->warn("can't find '$template_full_path': $!");
                $c->response->content_type('text/html; charset=utf-8'); 
                $c->res->output("can't find template '$template_full_path'");
                return;
        }

        # load template html
        $c->stash->{'template_content'} =
                $webpac->load_html( $template_full_path );

        # load template list

        opendir(my $d, $template_path) || $c->log->fatal("can't opendir '$template_path': $!");
        my @templates = grep { /\.tt$/i } readdir($d);

        $c->stash->{template_list} = \@templates;
        $c->stash->{template_filename} = $template_filename;

        $c->stash->{template} = 'editor/template.tt';
}

=item css

Return css.

B<Not finished>

=cut

sub css : Local {
        my ( $self, $c ) = @_;

        my $css_filename = $c->config->{webpac}->{default_css} || die("need default_css");
        my $css_path = $c->config->{webpac}->{css_path} || die("need css_path");
        my $webpac = $c->comp('Model::WebPAC');

        my $css_full_path = "$css_path/$css_filename";

        if ($c->req->params->{save_css}) {

                $c->response->content_type('text/html; charset=utf-8'); 

                my $t = $c->req->params->{css_content};
                my $size = length($t);
                $c->log->debug("saving $css_full_path, $size bytes");
                if ($webpac->save_html( $css_full_path, $t )) {
                        $c->res->output("<span>saved $css_filename, $size bytes</span>");
                } else {
                        $c->res->output("<span class=\"error\">error saving $css_filename!</span>");
                }
                return;
        }

        $c->log->debug("loading $css_full_path");

        $c->stash->{'css_content'} = $webpac->load_html( $css_full_path );

        $c->stash->{'css_list'} = [ qw/user.css foobar.css/ ];

        $c->stash->{template} = 'editor/css.tt';
}

=item record

Return html of record taking C<mfn> and C<template_filename> from request.

=cut

sub record : Local {
        my ( $self, $c ) = @_;

        $c->log->dumper($c->req->params, 'params');

        my $record_uri = $c->req->params->{record_uri};
        $record_uri ||= $c->config->{editor}->{default_record_uri} and
                $c->log->warn("using editor: default_record_uri");

        if (! $record_uri) {
                $c->log->fatal("record called without record_uri and default_record_uri not found in config under editor");
                $c->stash->{error} = 'record retrival failed';
                $c->stash->{template} = 'error.tt';
                return;
        }

        my $template_filename = $c->req->params->{template_filename};
        if (! $template_filename) {
                $template_filename = $c->config->{webpac}->{default_template} || $c->log->fatal("no webpac->default_template in configuration!");
                $c->log->warn("no template_filename using $template_filename");
        }

        my $webpac = $c->comp('Model::WebPAC');

        my $html = $webpac->record( record_uri => $record_uri, template => $template_filename );

        if ($html) {
                $c->log->debug('check html with tidy');
                my $tidy = new HTML::Tidy;
                $tidy->ignore( text => [
                        qr/DOCTYPE/, qr/unsupported/, qr/proprietary/i,
                        qr/invalid character code/,
                        qr/inserting missing 'title' element/,
                        qr/lacks "summary" attribute/,
                ] );

                my @lines = split( "\n", $html );
                $_ = "$_\n" for @lines;

                if ( $tidy->parse('tidy', @lines) ) {
                        if ( $tidy->messages ) {
                                $html .= <<__TIDY_CLOSE__;
<div id="tidy_show" class="notice" style="display: none;" onclick="Element.hide('tidy_show'); Element.show('tidy');">?</div>
<div id="tidy" class="tidy">
<a href="#" onclick="Element.hide('tidy'); Element.show('tidy_show'); return false;">close</a>
HTML Tidy output:
<br/>
__TIDY_CLOSE__
                                # Escape <, >, & and ", and to produce valid XML
                                my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
                                my $escape_re  = join '|' => keys %escape;

                                foreach my $m ( $tidy->messages ) {
                                        my $c = $lines[ ( $m->line - 1 ) ];
                                        my $txt = $m->as_string;
                                        $c =~ s/($escape_re)/$escape{$1}/g;
                                        $txt =~ s/($escape_re)/$escape{$1}/g;
                                        my $class = '';
                                        $class = ' class="tidy_'.lc($1).'"' if ($txt =~ /(Warning|Error):/s);
                                        $html .= 'line ' . $m->line . ":<span${class}>$txt<tt>$c</tt></span>";
                                }
                                $html .= '</div>';
                        }
                } else {
                        $html .= qq{<div class="tidy tidy_error">Can't parse this record with HTML Tidy!</div>};
                }
        } else {
                $html .= qq{<div class="no_results">Can't find record $record_uri</div>};
        }

        $c->response->content_type('text/html; charset=utf-8'); 
        $c->response->body( $html );
}


=back

=head1 AUTHOR

Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>

=head1 LICENSE

This library is free software, you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut

1;
1	dpavlin	134	package Webpacus::Controller::Editor;
2
3			use strict;
4			use warnings;
5			use base 'Catalyst::Controller';
6
7	dpavlin	180	use HTML::Tidy;
8	dpavlin	165
9	dpavlin	134	=head1 NAME
10
11	dpavlin	165	Webpacus::Controller::Editor - AJAX template and CSS editor
12	dpavlin	134
13			=head1 SYNOPSIS
14
15	dpavlin	165	See L<Webpacus>, L<WebPAC>
16	dpavlin	134
17			=head1 DESCRIPTION
18
19			Catalyst Controller.
20
21			=head1 METHODS
22
23			=over 4
24
25			=item default
26
27			=cut
28
29			sub default : Private {
30	dpavlin	165	my ( $self, $c ) = @_;
31	dpavlin	134
32	dpavlin	165	my $webpac = $c->comp('Model::WebPAC');
33			my $params = $c->req->params;
34			my $log = $c->log;
35	dpavlin	134
36	dpavlin	165	my $template_filename =
37			$c->req->params->{template_filename} \|\|
38			$c->config->{webpac}->{default_template} \|\|
39			$c->log->fatal("need default_template");
40
41			$c->stash->{template_filename} = $template_filename;
42
43			$c->stash->{template} = 'editor.tt';
44	dpavlin	134	}
45
46	dpavlin	165	=item template
47
48			fetch template using C<template_filename> in request or
49			C<< webpac->default_template >>.
50
51			=cut
52
53	dpavlin	134	sub template : Local {
54	dpavlin	135	my ( $self, $c ) = @_;
55	dpavlin	134
56	dpavlin	167	my $template_filename =
57	dpavlin	165	$c->req->params->{template_filename} \|\|
58			$c->config->{webpac}->{default_template} \|\|
59			$c->log->fatal("need default_template");
60	dpavlin	135
61			my $webpac = $c->comp('Model::WebPAC');
62
63	dpavlin	167	my $template_path = $webpac->{template_path} \|\| $c->log->fatal("can't find template_path in Model::WebPAC");
64	dpavlin	135
65	dpavlin	167	my $template_full_path = "$template_path/$template_filename";
66
67	dpavlin	172	if ($c->req->params->{save_template}) {
68	dpavlin	179
69			$c->response->content_type('text/html; charset=utf-8');
70
71	dpavlin	172	my $t = $c->req->params->{template_content};
72			my $size = length($t);
73			$c->log->debug("saving $template_full_path, $size bytes");
74			if ($webpac->save_html( $template_full_path, $t )) {
75			$c->res->output("<span>saved $template_filename, $size bytes</span>");
76			} else {
77	dpavlin	243	$c->res->output("<span class=\"error\">error saving $template_filename!</span>");
78	dpavlin	172	}
79			return;
80			}
81
82	dpavlin	165	$c->log->debug("loading $template_full_path");
83
84			if (! -r $template_full_path) {
85			$c->log->warn("can't find '$template_full_path': $!");
86	dpavlin	179	$c->response->content_type('text/html; charset=utf-8');
87	dpavlin	165	$c->res->output("can't find template '$template_full_path'");
88			return;
89			}
90
91	dpavlin	167	# load template html
92	dpavlin	135	$c->stash->{'template_content'} =
93			$webpac->load_html( $template_full_path );
94
95	dpavlin	167	# load template list
96
97			opendir(my $d, $template_path) \|\| $c->log->fatal("can't opendir '$template_path': $!");
98			my @templates = grep { /\.tt$/i } readdir($d);
99
100			$c->stash->{template_list} = \@templates;
101			$c->stash->{template_filename} = $template_filename;
102
103	dpavlin	135	$c->stash->{template} = 'editor/template.tt';
104	dpavlin	134	}
105
106	dpavlin	165	=item css
107
108	dpavlin	167	Return css.
109
110			B<Not finished>
111
112	dpavlin	165	=cut
113
114	dpavlin	134	sub css : Local {
115	dpavlin	135	my ( $self, $c ) = @_;
116	dpavlin	134
117	dpavlin	172	my $css_filename = $c->config->{webpac}->{default_css} \|\| die("need default_css");
118	dpavlin	135	my $css_path = $c->config->{webpac}->{css_path} \|\| die("need css_path");
119			my $webpac = $c->comp('Model::WebPAC');
120	dpavlin	165
121	dpavlin	172	my $css_full_path = "$css_path/$css_filename";
122	dpavlin	165
123	dpavlin	172	if ($c->req->params->{save_css}) {
124	dpavlin	179
125			$c->response->content_type('text/html; charset=utf-8');
126
127	dpavlin	172	my $t = $c->req->params->{css_content};
128			my $size = length($t);
129			$c->log->debug("saving $css_full_path, $size bytes");
130			if ($webpac->save_html( $css_full_path, $t )) {
131			$c->res->output("<span>saved $css_filename, $size bytes</span>");
132			} else {
133	dpavlin	243	$c->res->output("<span class=\"error\">error saving $css_filename!</span>");
134	dpavlin	172	}
135			return;
136			}
137
138	dpavlin	165	$c->log->debug("loading $css_full_path");
139
140			$c->stash->{'css_content'} = $webpac->load_html( $css_full_path );
141
142	dpavlin	189	$c->stash->{'css_list'} = [ qw/user.css foobar.css/ ];
143
144	dpavlin	135	$c->stash->{template} = 'editor/css.tt';
145	dpavlin	134	}
146
147	dpavlin	165	=item record
148
149	dpavlin	167	Return html of record taking C<mfn> and C<template_filename> from request.
150
151	dpavlin	165	=cut
152
153			sub record : Local {
154			my ( $self, $c ) = @_;
155
156	dpavlin	400	$c->log->dumper($c->req->params, 'params');
157	dpavlin	165
158	dpavlin	242	my $record_uri = $c->req->params->{record_uri};
159	dpavlin	244	$record_uri \|\|= $c->config->{editor}->{default_record_uri} and
160			$c->log->warn("using editor: default_record_uri");
161	dpavlin	165
162	dpavlin	242	if (! $record_uri) {
163	dpavlin	244	$c->log->fatal("record called without record_uri and default_record_uri not found in config under editor");
164	dpavlin	243	$c->stash->{error} = 'record retrival failed';
165			$c->stash->{template} = 'error.tt';
166	dpavlin	242	return;
167	dpavlin	165	}
168
169			my $template_filename = $c->req->params->{template_filename};
170			if (! $template_filename) {
171			$template_filename = $c->config->{webpac}->{default_template} \|\| $c->log->fatal("no webpac->default_template in configuration!");
172			$c->log->warn("no template_filename using $template_filename");
173			}
174
175			my $webpac = $c->comp('Model::WebPAC');
176
177	dpavlin	242	my $html = $webpac->record( record_uri => $record_uri, template => $template_filename );
178	dpavlin	180
179			if ($html) {
180			$c->log->debug('check html with tidy');
181			my $tidy = new HTML::Tidy;
182			$tidy->ignore( text => [
183			qr/DOCTYPE/, qr/unsupported/, qr/proprietary/i,
184			qr/invalid character code/,
185			qr/inserting missing 'title' element/,
186			qr/lacks "summary" attribute/,
187			] );
188
189	dpavlin	181	my @lines = split( "\n", $html );
190			$_ = "$_\n" for @lines;
191	dpavlin	180
192	dpavlin	181	if ( $tidy->parse('tidy', @lines) ) {
193			if ( $tidy->messages ) {
194			$html .= <<__TIDY_CLOSE__;
195			<div id="tidy_show" class="notice" style="display: none;" onclick="Element.hide('tidy_show'); Element.show('tidy');">?</div>
196			<div id="tidy" class="tidy">
197			<a href="#" onclick="Element.hide('tidy'); Element.show('tidy_show'); return false;">close</a>
198			HTML Tidy output:
199			<br/>
200			__TIDY_CLOSE__
201	dpavlin	180	# Escape <, >, & and ", and to produce valid XML
202			my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"');
203			my $escape_re = join '\|' => keys %escape;
204
205			foreach my $m ( $tidy->messages ) {
206	dpavlin	181	my $c = $lines[ ( $m->line - 1 ) ];
207	dpavlin	180	my $txt = $m->as_string;
208			$c =~ s/($escape_re)/$escape{$1}/g;
209			$txt =~ s/($escape_re)/$escape{$1}/g;
210			my $class = '';
211			$class = ' class="tidy_'.lc($1).'"' if ($txt =~ /(Warning\|Error):/s);
212	dpavlin	181	$html .= 'line ' . $m->line . ":<span${class}>$txt<tt>$c</tt></span>";
213	dpavlin	180	}
214			$html .= '</div>';
215			}
216			} else {
217			$html .= qq{<div class="tidy tidy_error">Can't parse this record with HTML Tidy!</div>};
218			}
219	dpavlin	241	} else {
220	dpavlin	381	$html .= qq{<div class="no_results">Can't find record $record_uri</div>};
221	dpavlin	180	}
222	dpavlin	242
223	dpavlin	179	$c->response->content_type('text/html; charset=utf-8');
224	dpavlin	237	$c->response->body( $html );
225	dpavlin	165	}
226
227	dpavlin	167
228
229	dpavlin	134	=back
230
231			=head1 AUTHOR
232
233	dpavlin	165	Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
234	dpavlin	134
235			=head1 LICENSE
236
237			This library is free software, you can redistribute it and/or modify
238			it under the same terms as Perl itself.
239
240			=cut
241
242			1;