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343
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1 package IMPL::Web::View::TTContext;
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2 use strict;
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3 use Template::Base;
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4
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345
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5 use IMPL::lang qw(is);
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343
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6 use IMPL::declare {
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345
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7 require => [
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8 Document => '-Template::Document'
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9 ],
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343
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10 base => {
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11 'Template::Context' => '@_'
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12 }
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13 };
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14
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15 sub clone {
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16 my $this = shift;
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17
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18 $this->localise();
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19
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20 my $args = { %{$this} };
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21
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22 $this->delocalise();
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23
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24 my $class = typeof($this);
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25
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26 delete $args->{CONFIG};
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27
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28 return $class->new($args);
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29 }
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30
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345
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31 sub base {
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32 my $this = shift;
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33
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34 return @_ ? $this->stash->set('base', @_) : $this->stash->get('base');
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35 }
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36
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37 sub tt_ext {
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38 my $this = shift;
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39
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40 return @_ ? $this->stash->set('tt_ext', @_) : $this->stash->get('tt_ext');
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41 }
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42
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43 sub find_template {
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44 my ($this,$name,@inc) = @_;
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45
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46 push @inc, "";
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47 my $ext = $this->tt_ext || "";
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48
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49 foreach my $dir (@inc) {
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50 my $file = "$dir/$name$ext";
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51 my $tt = eval { $this->template($file) };
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52
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53 return {
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54 # if we load a block then we should use the current base directory
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55 base => is($tt,Document) ? $dir : $this->base,
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56 isDocument => is($tt,Document),
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57 name => $name,
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58 file => $file,
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59 template => $tt
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60 } if $tt;
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61 }
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62
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63 $this->throw(Template::Constants::ERROR_FILE, "$name: not found");
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64 }
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65
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66 sub require {
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67 my ($this,$name) = @_;
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68
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69 return $this->stash->get([ 'require', [$name] ]);
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70 }
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71
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72 1;
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73
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74 __END__
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75
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76 =pod
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77
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78 =head1 NAME
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79
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80 C<IMPL::Web::View::TTContext> - доработанная версия контекста
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81
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82 =head1 DESCRIPTION
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83
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84 Расширяет функции C<Template::Context>
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85
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86 =begin plantuml
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87
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88 @startuml
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89
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346
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90 object SharedContext {
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345
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91 document
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346
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92 globals
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345
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93 }
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94
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95 object DocumentContext {
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346
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96 base
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97 extends
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98 }
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99
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100 object ControlContext {
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101 base
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102 extends
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345
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103 }
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104
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346
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105 SharedContext o-- DocumentContext
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106 SharedContext o-- ControlContext
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345
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107
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346
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108 Document -- DocumentContext
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109 Control - ControlContext
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345
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110
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346
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111 Loader . SharedContext: <<creates>>
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112 Loader . Document: <<creates>>
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113 Loader -up- Registry
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345
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114
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115 @enduml
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116
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117 =end plantuml
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118
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119 =head1 MEMBERS
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120
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121 =head2 C<[get,set]base>
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122
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123 Префикс пути для поиска шаблонов
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124
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125 =head2 C<template($name)>
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126
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127 Сначала пытается загрузить шаблон используя префикс C<base>, затем без префикса.
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128
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129 =head2 C<clone()>
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130
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131 Создает копию контекста, при этом C<stash> локализуется, таким образом
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132 клонированный контекст имеет собственное пространство имен, вложенное в
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133 пространство родительского контекста.
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134
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135 =cut |
