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package HTML::PopupTreeSelect::Dynamic; |
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29625
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use 5.006; |
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50
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use strict; |
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use warnings; |
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72
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our $VERSION = '1.2'; |
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use base 'HTML::PopupTreeSelect'; |
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1495
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25267
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use Carp qw(croak); |
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1633
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# template source files, included at the bottom |
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our $TEMPLATE_SRC; |
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our $NODE_TEMPLATE_SRC; |
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# override new() to setup defaults for dynamic_url and dynamic_params |
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sub new { |
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my ($pkg, %args) = @_; |
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my $self = $pkg->SUPER::new(%args); |
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if ($self->{dynamic_url}) { |
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# quote literal URL |
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$self->{dynamic_url} = qq{"$self->{dynamic_url}"}; |
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} else { |
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# setup default |
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$self->{dynamic_url} = q{window.location}; |
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} |
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28
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29
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$self->{dynamic_params} ||= ""; |
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30
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31
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0
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0
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$self->{include_prototype} = 1 unless defined $self->{include_prototype}; |
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32
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33
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0
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return $self; |
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34
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} |
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36
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# override output to drive the dynamic template |
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37
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sub output { |
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my ($self, $template) = @_; |
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$template ||= HTML::Template->new(scalarref => \$TEMPLATE_SRC, |
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die_on_bad_params => 0, |
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global_vars => 1, |
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42
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); |
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43
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0
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0
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if( $self->{include_prototype} ) { |
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44
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0
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eval { require HTML::Prototype }; |
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0
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45
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croak "requires HTML::Prototype unless 'include_prototype' option is fase" |
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46
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if( $@ ); |
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47
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0
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my $prototype = HTML::Prototype->new(); |
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48
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0
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my $js = $prototype->define_javascript_functions; |
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49
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$template->param(prototype_js => $js); |
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50
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} |
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51
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52
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# setup template parameters |
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53
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0
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my %param = map { ($_, $self->{$_}) } qw(name height width |
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0
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54
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indent_width onselect |
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55
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form_field form_field_form |
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56
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button_label |
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57
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button_image title |
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58
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include_css resizable |
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59
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image_path scrollbars |
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60
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hide_selects hide_textareas |
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61
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dynamic_url dynamic_params |
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62
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); |
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63
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64
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# get output for the widget |
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65
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0
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$template->param(%param); |
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66
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0
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return $template->output; |
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67
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} |
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68
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69
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# handle |
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70
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sub handle_get_node { |
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71
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0
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0
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1
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my ($self, %args) = @_; |
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72
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0
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my $query = $args{query}; |
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73
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0
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0
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croak("Missing required parameter 'query'.") unless $query; |
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74
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75
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0
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my $id = $query->param('id'); |
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76
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0
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my $data = $self->{data}; |
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77
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0
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my $node = $data; |
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78
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79
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0
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my $template = HTML::Template->new(scalarref => \$NODE_TEMPLATE_SRC, |
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80
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global_vars => 1, |
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81
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die_on_bad_params => 0); |
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82
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83
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0
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my @node_loop; |
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84
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0
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0
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if (not defined $id) { |
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85
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# return the root (handle multiple roots if an array ref) |
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86
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0
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0
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if( ref $data eq 'ARRAY' ) { |
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0
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87
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0
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my $count = 0; |
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88
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0
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@node_loop = map { $self->_output_node($_, $count++) } (@$data); |
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0
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89
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} elsif( ref $data eq 'HASH' ) { |
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90
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0
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@node_loop = ( $self->_output_node($data, "0") ); |
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91
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} |
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92
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} else { |
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93
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# return the children of this node |
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94
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0
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my $parent; |
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95
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0
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0
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if( ref $data eq 'ARRAY' ) { |
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0
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96
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0
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$parent = $self->_find_node($data, $id); |
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97
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} elsif( ref $data eq 'HASH' ) { |
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98
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0
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$parent = $self->_find_node($data->children, $id); |
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99
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} |
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100
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0
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my $child_id = 0; |
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101
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0
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foreach my $node (@{$parent->{children}}) { |
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0
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102
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0
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push(@node_loop, $self->_output_node($node, "$id/$child_id")); |
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103
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0
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$child_id++; |
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104
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} |
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105
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} |
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106
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0
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$template->param(node_loop => \@node_loop); |
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107
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108
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# setup global template parameters |
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109
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0
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my %param = map { ($_, $self->{$_}) } qw(name height width |
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0
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110
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indent_width onselect |
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111
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form_field form_field_form |
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112
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button_label |
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113
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button_image title |
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114
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include_css resizable |
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115
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image_path scrollbars |
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116
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hide_selects hide_textareas |
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117
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dynamic_url dynamic_params |
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118
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); |
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119
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0
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$template->param(\%param); |
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120
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121
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0
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return $template->output(); |
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122
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} |
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123
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124
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sub _find_node { |
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125
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0
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0
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my ($self, $data, $id) = @_; |
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126
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127
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# if it's a single digit, then it's a leaf |
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128
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0
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0
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if( $id =~ /^\d+$/ ) { |
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129
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0
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return $data->[$id]; |
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130
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} else { |
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131
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# recurse down a level |
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132
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0
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my ($car, $cdr) = split('/', $id, 2); |
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133
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0
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return $self->_find_node($data->[$car]->{children}, $cdr); |
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134
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} |
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135
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} |
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136
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137
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sub _output_node { |
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138
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0
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0
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my ($self, $node, $id) = @_; |
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139
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140
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# setup template data for a single node |
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141
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0
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0
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my %param = (label => $node->{label}, |
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0
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142
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value => $node->{value}, |
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143
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id => $id, |
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144
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open => $node->{open} ? 1 : 0, |
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145
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inactive => $node->{inactive} ? 1 : 0); |
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146
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147
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0
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0
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0
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if ($node->{children} and @{$node->{children}}) { |
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0
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148
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0
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$param{has_children} = 1; |
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149
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} |
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150
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151
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0
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return \%param; |
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152
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} |
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153
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154
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$TEMPLATE_SRC = <
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155
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232
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233
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490
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491
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492
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493
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494
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495
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496
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497
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498
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499
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500
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501
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502
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503
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504
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END |
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505
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506
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$NODE_TEMPLATE_SRC = <
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507
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508
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509
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510
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ondblclick="_toggle_expand('')" onclick="_toggle_select('', '')"> |
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511
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512
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onclick="_toggle_select('', '')"> |
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513
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514
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515
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516
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517
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518
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519
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520
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521
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522
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523
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END |
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524
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525
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526
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1; |
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527
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__END__ |