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annotate Lib/IMPL/Web/View/TTContext.pm @ 362:715b9959b207

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WebView: initial work on metadata providers
author cin
date Thu, 28 Nov 2013 20:00:20 +0400
parents 833e663796c4
children cbf4febf0930
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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 use Carp qw(carp);
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5 use File::Spec();
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6 use IMPL::Resources::Format qw(FormatMessage);
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7 use IMPL::Resources::Strings();
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8
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9 use IMPL::Exception();
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10 use IMPL::lang qw(is typeof hashApply hashMerge);
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11 use IMPL::declare {
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12 require => {
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13 Document => '-Template::Document',
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14 TypeKeyedCollection => 'IMPL::TypeKeyedCollection',
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15 ArgException => '-IMPL::InvalidArgumentException',
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16 Resources => 'IMPL::Resources',
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17 Loader => 'IMPL::Code::Loader'
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18 },
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19 base => [
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20 'Template::Context' => '@_'
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21 ]
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22 };
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23
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24 BEGIN {
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25 no strict 'refs';
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26 # modules is a global (for the whole document) templates cache
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27 # tt_cache is a local (for the current context only) templtes cache
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28 # view is a special variable, which will be cloned and passed to the nested context
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29 foreach my $prop (qw(
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30 root
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31 base
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32 tt_ext
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33 tt_cache
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34 parent
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35 prefix
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36 cache
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37 includes
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38 modules
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39 aliases
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40 id
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41 view
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42 )) {
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43 my $t = $prop;
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44
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45 *{__PACKAGE__ . '::' . $prop} = sub {
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46 my $this = shift;
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47 return @_ ? $this->stash->set($t, @_) : $this->stash->get($t);
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48 }
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49 }
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50 }
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51
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52 sub clone {
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53 my $this = shift;
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54 my $params = shift;
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55
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56 $this->localise();
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57
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58 my $args = { %{$this} };
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59
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60 $this->delocalise();
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61
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62 my $class = ref($this);
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63
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64 delete $args->{CONFIG};
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65
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66 my $clone = $class->new($args);
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67
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68 $clone->stash->update($params) if $params;
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69
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70 return $clone;
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71 }
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72
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73 sub get_next_id {
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74 my ($this) = @_;
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75
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76 my $id = $this->stash->get('document.nextId') || 0;
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77 $this->stash->set('document.nextId', $id + 1);
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78 return "w-$id";
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79 }
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80
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81 sub find_template {
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82 my ($this,$name, $nothrow) = @_;
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83
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84 my $cache = $this->tt_cache;
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85
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86 $this->tt_cache($cache = {}) unless $cache;
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87
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88 if(my $tpl = $cache->{$name}) {
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89 return $tpl;
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90 }
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91
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92 my @inc = ($this->base, @{$this->includes || []});
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93
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94 my $ext = $this->tt_ext || "";
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95
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96 my $file;
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97
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98 foreach my $dir (@inc) {
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99 $file = $dir ? "$dir/$name" : $name;
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100
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101 my $base = join('/',splice([split(/\/+/,$file)],0,-1));
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102
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103 $file = $ext ? "$file.$ext" : $file;
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104
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105 if (exists($this->modules->{$file})) {
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106 my $info = $this->modules->{$file};
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107 return $cache->{$name} = $info
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108 if $info;
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109 } else {
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110 if( my $tt = eval { $this->template($file) } ) {
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111 my $class;
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112 if ($class = $tt->class) {
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113 $class = $this->aliases->{$class} || $class;
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114 Loader->safe->Require($class);
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115 }
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116 my $info = {
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117 base => $base,
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118 labels => $this->load_labels($file),
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119 template => $tt,
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120 initialized => 0,
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121 class => $class
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122 };
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123 $this->modules->{$file} = $info;
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124 return $cache->{$name} = $info;
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125 } else {
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126 my $err = $@;
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127
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128 for(my $t = $err; is($t,'Template::Exception'); $t = $t->info ) {
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129 die $err unless $t->type eq Template::Constants::ERROR_FILE;
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130 }
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131 $this->modules->{$file} = undef;
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132 }
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133 }
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134 }
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135
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136 $this->throw(Template::Constants::ERROR_FILE, "$name: not found")
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137 unless $nothrow;
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138 return;
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139 }
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140
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141 sub display_for {
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142 my $this = shift;
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143 my $model = shift;
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144 my ($template, $args);
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145
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146 if (ref $_[0] eq 'HASH') {
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147 $args = shift;
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148 } else {
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149 $template = shift;
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150 $args = shift;
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151 }
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152
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153 my $prefix = $this->prefix;
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154
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155 my $info;
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156
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157 if (not(($args and delete $args->{_no_resolve}) or ref $model)) {
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158 $info = $this->resolve_model($model,$args);
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159 } else {
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160 $info = {
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161 model => $model,
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162 prefix => ""
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163 };
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164 }
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165
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166 $template ||= $info->{template};
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167 $template = $template ? $this->find_template($template) : $this->find_template_for($info->{model});
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168
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169 return $this->render(
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170 $template,
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171 hashApply(
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172 $info,
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173 $args
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174 )
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175 );
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176 }
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177
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178 sub display_model {
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179 my $this = shift;
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180 my $model = shift;
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181 my ($template, $args);
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182
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183 if (ref $_[0] eq 'HASH') {
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184 $args = shift;
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185 } else {
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186 $template = shift;
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187 $args = shift;
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188 }
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189
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190 $args ||= {};
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191
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192 my $prefix = delete $args->{prefix} || $this->prefix;
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193
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194 if (my $rel = delete $args->{rel}) {
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195 $prefix = $prefix ? "${prefix}.${rel}" : $rel;
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196 }
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197
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198 $template = $template ? $this->find_template($template) : $this->find_template_for($model);
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199
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200 return $this->render(
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201 $template,
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202 hashApply(
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203 {
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204 prefix => $prefix,
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205 model => $model,
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206 },
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207 $args
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208 )
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209 );
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210 }
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211
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212 # обеспечивает необходимый уровень изоляции между контекстами
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213 # $code - код, который нужно выполнить в новом контексте
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
214 # $env - хеш с переменными, которые будут переданы в новый контекст
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diff changeset
215 # в процессе будет создан клон корневого контекста, со всеми его свойствами
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diff changeset
216 # затем новый контекст будет локализован и в него будут добавлены новые переменные из $env
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diff changeset
217 # созданный контекст будет передан параметром в $code
348
f116cd9fe7d9 working on TTView: pre-alpha version
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parents: 347
diff changeset
218 sub invoke_environment {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
219 my ($this,$code,$env) = @_;
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cin
parents: 347
diff changeset
220
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
221 $env ||= {};
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cin
parents: 347
diff changeset
222
354
9330835535b9 fixed view double rendering
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parents: 353
diff changeset
223 my $ctx = ($this->root || $this)->clone();
359
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
224
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
225 my @includes = @{$this->includes || []};
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
226
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
227 if ($this->base) {
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
228 unshift @includes, $this->base;
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
229 }
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
230
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
231 my $view = $this->view;
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
232 $view = ref $view eq 'HASH' ? { %{$view} } : {};
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
233
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
234 hashApply($view, delete $env->{view});
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
235
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
236 my $out = eval {
354
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parents: 353
diff changeset
237 $ctx->localise(
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
238 hashApply(
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
239 {
359
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
240 includes => \@includes,
352
675cd1829255 working on TTView: added control classes support
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parents: 351
diff changeset
241 aliases => $this->aliases || {},
354
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cin
parents: 353
diff changeset
242 root => $this->root || $ctx,
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
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diff changeset
243 modules => $this->modules || {},
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
244 cache => TypeKeyedCollection->new(),
359
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
245 display_for => sub {
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
246 $ctx->display_for(@_);
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
247 },
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
248 render => sub {
354
9330835535b9 fixed view double rendering
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parents: 353
diff changeset
249 $ctx->render(@_);
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
250 },
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
251 display_model => sub {
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
252 $ctx->display_model(@_);
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
253 },
359
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
254 tt_cache => {},
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
255 view => $view
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
256 },
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
257 $env
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
258 )
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
259 );
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
260
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
261 &$code($ctx);
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
262 };
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
263
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
264 my $e = $@;
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
265 $ctx->delocalise();
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
266
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
267 die $e if $e;
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parents: 347
diff changeset
268
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
269 return $out;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
270 }
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diff changeset
271
359
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
272 # использует указанный шаблон для создания фрагмента документа
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diff changeset
273 # шаблон может быть как именем, так и хешем, содержащим информацию
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diff changeset
274 # о шаблоне.
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diff changeset
275 # отдельно следует отметить, что данный метод создает новый контекст
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diff changeset
276 # для выполнения шаблона в котором задает переменные base, parent, id
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
277 # а также создает переменные для строковых констант из labels
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
278 # хеш с переменными $args будет передан самому шаблону в момент выполнения
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
279 # если у шаблона указан класс элемента управления, то при выполнении шаблона
833e663796c4 TTView: added view variable to pass rendering context between controls
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diff changeset
280 # будет создан экземпляр этого класса и процесс выполнения шаблона будет
833e663796c4 TTView: added view variable to pass rendering context between controls
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parents: 356
diff changeset
281 # делегирован методу Render этого экземпляра.
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
282 sub render {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
283 my ($this,$template,$args) = @_;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
284
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
285 $args ||= {};
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
286
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
287 my $info = ref $template ? $template : $this->find_template($template);
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
288
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
289 if (ref($info) ne 'HASH') {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
290 carp "got an invalid template object: $info (" . ref($info) . ")";
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
291 $info = {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
292 template => $info,
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
293 base => $this->base,
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
294 initialized => 1
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
295 };
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
296 }
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
297
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
298 return $this->invoke_environment(
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
299 sub {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
300 my $ctx = shift;
352
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
301
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
302 unless($info->{initialized}) {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
303 if(my $init = $info->{template}->blocks->{INIT}) {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
304 $info->{initialized} = 1;
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
305 eval {
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
306 $ctx->visit($info->{template}->blocks);
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
307 $ctx->include($init);
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
308 };
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
309 $ctx->leave();
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
310 }
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
311 }
352
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
312
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
313 if (my $class = $info->{class}) {
359
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
314 $class->new($ctx,$info->{template},$args)->Render({});
352
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
315 } else {
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
316 return $ctx->include($info->{template},$args);
675cd1829255 working on TTView: added control classes support
cin
parents: 351
diff changeset
317 }
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
318 },
349
86b470004d47 added lables loading
cin
parents: 348
diff changeset
319 hashMerge(
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
320 $info->{labels} || {},
349
86b470004d47 added lables loading
cin
parents: 348
diff changeset
321 {
351
cfd7570c2af2 working on TTView: created TTView class for rendering models
cin
parents: 349
diff changeset
322 base => $info->{base},
356
97131d500f16 TTView: added identifiers support
cin
parents: 355
diff changeset
323 parent => $this,
97131d500f16 TTView: added identifiers support
cin
parents: 355
diff changeset
324 id => $this->get_next_id
349
86b470004d47 added lables loading
cin
parents: 348
diff changeset
325 }
86b470004d47 added lables loading
cin
parents: 348
diff changeset
326 )
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
327 )
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
328 }
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
329
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
330 sub resolve_model {
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
331 my ($this,$prefix,$args) = @_;
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
332
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
333 die ArgException->new(prefix => "the prefix must be specified")
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
334 unless defined $prefix;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
335
356
97131d500f16 TTView: added identifiers support
cin
parents: 355
diff changeset
336
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
337
356
97131d500f16 TTView: added identifiers support
cin
parents: 355
diff changeset
338 if (my $res = $this->stash->get(['resolve', [$this,$prefix,$args]] ) ) {
355
8dfb9df07d02 added support for the custom resolvers for the TTView
sergey
parents: 354
diff changeset
339 return $res;
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
340 }
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
341
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
342 my @comp = map { $_, 0 } grep length($_), split(/\.|\[(\d+)\]/, $prefix);
347
cin
parents: 346
diff changeset
343
354
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
344 return {
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
345 model => $this->stash->get(['model',0,@comp]),
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
346 prefix => $this->prefix ? $this->prefix . ".$prefix" : $prefix
9330835535b9 fixed view double rendering
cin
parents: 353
diff changeset
347 };
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
348 }
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
349
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
350 sub find_template_for {
359
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
351 my ($this,$model, $nothrow) = @_;
347
cin
parents: 346
diff changeset
352
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
353 my $type = typeof($model);
347
cin
parents: 346
diff changeset
354
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
355 return $this->find_template('templates/plain') unless $type;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
356
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
357 if (my $template = $this->cache->Get($type)) {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
358 return $template;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
359 } else {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
360
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
361 no strict 'refs';
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
362
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
363 my @isa = $type;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
364
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
365 while (@isa) {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
366 my $sclass = shift @isa;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
367
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
368 (my $name = $sclass) =~ s/:+/_/g;
359
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
369 my ($shortName) = ($sclass =~ m/(\w+)$/);
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
370
359
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
371 $template = $this->find_template("templates/$name",1) || $this->find_template("templates/$shortName",1);
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
372
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
373 if ($template) {
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
374 $this->cache->Set($sclass,$template);
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
375 return $template;
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
376 }
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
377
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
378 push @isa, @{"${sclass}::ISA"};
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
379 }
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
380
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
381 }
359
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
382 $this->throw(Template::Constants::ERROR_FILE, "can't find a template for the model " . typeof($model))
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
383 unless $nothrow;
833e663796c4 TTView: added view variable to pass rendering context between controls
sergey
parents: 356
diff changeset
384
348
f116cd9fe7d9 working on TTView: pre-alpha version
cin
parents: 347
diff changeset
385 return;
347
cin
parents: 346
diff changeset
386 }
cin
parents: 346
diff changeset
387
349
86b470004d47 added lables loading
cin
parents: 348
diff changeset
388 sub get_real_file {
86b470004d47 added lables loading
cin
parents: 348
diff changeset
389 my ($this,$fname) = @_;
86b470004d47 added lables loading
cin
parents: 348
diff changeset
390
86b470004d47 added lables loading
cin
parents: 348
diff changeset
391 my @path = split(/\/+/,$fname);
86b470004d47 added lables loading
cin
parents: 348
diff changeset
392
86b470004d47 added lables loading
cin
parents: 348
diff changeset
393 foreach my $provider (@{$this->load_templates || []}) {
86b470004d47 added lables loading
cin
parents: 348
diff changeset
394 foreach my $dir (@{$provider->paths || []}) {
86b470004d47 added lables loading
cin
parents: 348
diff changeset
395 my $realName = File::Spec->catfile($dir,@path);
86b470004d47 added lables loading
cin
parents: 348
diff changeset
396 return $realName if -f $realName;
86b470004d47 added lables loading
cin
parents: 348
diff changeset
397 }
86b470004d47 added lables loading
cin
parents: 348
diff changeset
398 }
86b470004d47 added lables loading
cin
parents: 348
diff changeset
399 }
86b470004d47 added lables loading
cin
parents: 348
diff changeset
400
86b470004d47 added lables loading
cin
parents: 348
diff changeset
401 sub load_labels {
86b470004d47 added lables loading
cin
parents: 348
diff changeset
402 my ($this,$fname) = @_;
86b470004d47 added lables loading
cin
parents: 348
diff changeset
403
86b470004d47 added lables loading
cin
parents: 348
diff changeset
404 $fname = $this->get_real_file($fname);
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405
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406 my %vars;
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407
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408 my $flabels = "$fname.labels";
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409
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410 if (-f $flabels) {
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411
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412 my %labels;
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413 $labels{default} = IMPL::Resources::Strings::ParseStringsMap($flabels);
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414
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415 while(my($label,$text) = each %{$labels{default}}) {
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416 $vars{$label} = sub {
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417 my ($params) = @_;
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418 my $locale = Resources->currentLocale;
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419
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420 unless ($labels{$locale}) {
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421 $labels{$locale} = -f "$fname.$locale" ?
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422 IMPL::Resources::Strings::ParseStringsMap("$fname.$locale") :
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423 {};
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424 }
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425
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426 return FormatMessage(($labels{$locale}{$label} || $text),$params);
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427 }
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428 }
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429 }
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430
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431 return \%vars;
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432 }
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433
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434 1;
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435
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436 __END__
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437
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438 =pod
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439
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440 =head1 NAME
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441
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442 C<IMPL::Web::View::TTContext> - доработанная версия контекста
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443
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444 =head1 DESCRIPTION
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445
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446 Расширяет функции C<Template::Context>
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447
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448 =begin plantuml
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449
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450 @startuml
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451
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452 object RootContext {
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453 document
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454 globals
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455 }
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456
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457 object DocumentContext {
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458 base
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459 extends
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460 }
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461
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462 object ControlContext {
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463 base
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464 extends
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465 }
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466
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467 RootContext o-- DocumentContext
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468 RootContext o-- ControlContext
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469
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470 Document -- DocumentContext
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471 Control - ControlContext
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472
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473 Loader . RootContext: <<creates>>
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474 Loader . Document: <<creates>>
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475 Loader -up- Registry
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476
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477 @enduml
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478
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479 =end plantuml
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480
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481 =head1 MEMBERS
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482
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483 =head2 C<[get,set]base>
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484
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485 Префикс пути для поиска шаблонов
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486
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487 =head2 C<template($name)>
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488
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489 Сначала пытается загрузить шаблон используя префикс C<base>, затем без префикса.
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490
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491 =head2 C<clone()>
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492
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493 Создает копию контекста, при этом C<stash> локализуется, таким образом
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494 клонированный контекст имеет собственное пространство имен, вложенное в
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495 пространство родительского контекста.
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496
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497 =cut