annotate Lib/IMPL/Web/View/TTDocument.pm @ 193:8e8401c0aea4

sync
author sergey
date Tue, 10 Apr 2012 08:13:22 +0400
parents a9faf883cdce
children 4d0e1962161c
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1 package IMPL::Web::View::TTDocument;
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2 use strict;
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3
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4 use IMPL::lang qw(:declare :constants);
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5 use IMPL::DOM::Property qw(_dom);
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6 use IMPL::Web::View::TTFactory();
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7 use IMPL::Web::View::TTControl();
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8
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9 use Scalar::Util qw(weaken);
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10
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11
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12 use parent qw(
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13 IMPL::DOM::Document
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14 IMPL::Web::View::TTControl
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15 );
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16
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17 BEGIN {
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18 public _dom property layout => PROP_ALL;
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19 public property opts => PROP_GET | PROP_OWNERSET;
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20 public property loader => PROP_GET | PROP_OWNERSET;
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21 public property controls => PROP_GET | PROP_OWNERSET;
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22
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23 # store the stash separately to make require() method to work correctly
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24 # even when a stash of the context is modified during the processing
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25 public property stash => PROP_GET | PROP_OWNERSET;
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26 }
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27
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28 sub CTOR {
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29 my ($this,$template,$refOpts,%args) = @_;
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30
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31 $this->controls({});
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32 $this->loader($args{loader}) if $args{loader};
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33
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34 $this->layout( $template->layout ) unless $this->layout;
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35
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36 $this->opts($refOpts);
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37 $this->stash($this->context->stash);
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38
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39 my $self = $this;
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40 weaken($self);
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41
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42 $this->templateVars('require', sub {
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43 my $doc = $self;
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44 die new IMPL::Exception("A document is destroyed or invalid") unless $doc;
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45 $doc->require(@_);
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46 });
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47
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48 $this->templateVars('document', sub { $self } );
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49 $this->InitInstance();
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50 }
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51
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52 our %CTOR = (
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53 'IMPL::Web::View::TTControl' => sub {
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54 'document',
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55 $_[0], # template
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56 new Template::Context($_[1]) # context
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57 },
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58 'IMPL::DOM::Document' => sub {
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59 nodeName => 'document'
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60 }
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61 );
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62
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63 sub templateVars {
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64 my $this = shift;
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65 my $name = shift;
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66
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67 if (@_) {
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68 return $this->stash->set($name, shift);
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69 } else {
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70 return $this->stash->get($name);
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71 }
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72 }
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73
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74 sub require {
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75 my ($this, $control, $nodeProps) = @_;
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76
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77 $nodeProps ||= {};
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78 $nodeProps->{document} = $this;
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79
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80 if (my $factory = $this->controls->{$control}) {
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81 return $factory;
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82 } else {
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83
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84 my $path = $control;
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85 if ( my $template = $this->loader->template($path) ) {
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86
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87 my $opts = { %{$this->opts} };
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88 $opts->{STASH} = $this->context->stash->clone();
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89
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90 my $ctx = new Template::Context($opts);
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91
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92 $factory = new IMPL::Web::View::TTFactory(
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93 typeof IMPL::Web::View::TTControl,
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94 $template,
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95 $ctx,
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96 $opts,
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97 { document => $this }
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98 );
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99
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100 my @parts = split(/\/+/,$control);
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101
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102 $this->controls->{$control} = $factory;
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103
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104 return $factory;
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105
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106 } else {
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107 die new IMPL::KeyNotFoundException($control);
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108 }
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109 }
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110 }
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111
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112 sub Render {
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113 my ($this,$args) = @_;
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114
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115 my $output;
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116
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117 if ($this->layout) {
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118 $output = $this->context->include(
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119 $this->loader->template($this->layout),
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120 {
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121 content => sub { $output ||= $this->RenderContent($args); }
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122 }
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123 );
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124 } else {
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125 return $this->RenderContent($args);
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126 }
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127
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128 return $output;
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129 }
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130
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131 sub RenderContent {
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132 my $this = shift;
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133 return $this->SUPER::Render(@_);
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134 }
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135
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136
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137 1;
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138
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139 __END__
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140
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141 =pod
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142
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143 =head1 NAME
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144
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145 C<IMPL::Web::View::TTDocument> - документ для построения HTML страницы на основе шаблонов TT.
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146
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147 =head1 SYNOPSIS
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148
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149 =begin code
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150
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151 use IMPL::Web::View::TTDocument();
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152
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153 my $doc = new IMPL::Wbe::View::TTDocument($template,$ttOptions);
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154
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155 return $doc->Render();
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156
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157 =end code
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158
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159 Однако, более предпочтительный способ использовать C<IMPL::Web::View::TTLoader>.
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160
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161 =head1 DESCRIPTION
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162
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163 Документ для представления данных. Документы представляют собой иерархически организованные данные,
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164 элементами данного документа являются данные для отображения, такие как
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165
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166 =over
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167
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168 =item * Объекты из БД
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169
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170 =item * Навигационные цепочки
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171
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172 =item * Меню и т.п.
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173
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174 =back
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175
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176 Скприт шаблона формирует структуру документа, затем сформированная структура форматируется в готовый документ.
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177 Процесс форматирования объектной модели в готовый документ может быть выполнена как вручную, так и при помощи
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178 вспомогательного шаблона - обертки. Если у шаблона документа указан C<layout> в метаданных, то он будет
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179 использован как шаблон для форматирования объектной модели, вывод самого шаблона будет проигнорирован. Если
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180 обертка не задана, то результатом будет вывод самого скрипта шаблона.
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181
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182 Использование объектной модели документа позволяет решить задачи по созданию элементов управления
a9faf883cdce IMPL::Web::View refactoring
cin
parents: 191
diff changeset
183 контейнеров, у которых может быть сложное содежимое. Примером таких элементов могут быть формы,
a9faf883cdce IMPL::Web::View refactoring
cin
parents: 191
diff changeset
184 внутри форм элементы управления могут группироваться.
a9faf883cdce IMPL::Web::View refactoring
cin
parents: 191
diff changeset
185
193
sergey
parents: 192
diff changeset
186 =head2 Элементы управления (компоненты)
sergey
parents: 192
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187
sergey
parents: 192
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188 Документ состоит из узлов, часть которых наследуется от C<IMPL::Web::View::TTControl>, такие узлы называются
sergey
parents: 192
diff changeset
189 элементами управления. Каждый элемент управления имеет собственный контекст, который наследуется от контекста
sergey
parents: 192
diff changeset
190 документа.
sergey
parents: 192
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191
sergey
parents: 192
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192 =head2 Фабрика элементов управления
sergey
parents: 192
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193
sergey
parents: 192
diff changeset
194 Для создания элементов управления используются фабрики. Каждый элемен управления имеет свой шаблон для
sergey
parents: 192
diff changeset
195 форматиорвания содержимого, фабрика связывает шаблон и класс элемента управления, для чего при загрузке
sergey
parents: 192
diff changeset
196 шаблона используется свойство C<type> из метаданных. Фабрика загружается в документ при том только один
sergey
parents: 192
diff changeset
197 раз, повторные загрузки фабрики возвращают уже загруженную. Для загрузки фабрики используется метод
sergey
parents: 192
diff changeset
198 C<require()>.
sergey
parents: 192
diff changeset
199
190
cd1ff7029a63 IMLP::Web::View refactored, added new method 'require' which is available inside templates. Changed document rendering.
cin
parents: 189
diff changeset
200
185
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
201 =head2 Порядок обработки документа
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
202
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
203 =over
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
204
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
205 =item 1 Создается документ при помощи метода C<TTLoader::document()>
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
206
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
207 =item 1 При создании документа (в конструкторе), происходит выполнение блока C<CTOR>
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
208
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
209 =item 1 При вызове метода C<TTDocument::Render()> устанавливаются переменные C<this>, C<document>
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
210 и шаблон обрабатывается при помощи метода C<process()> контекста документа.
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
211
ae8072f2f2a3 IMPL::Web::View::TTDocument tests, fixes
cin
parents: 181
diff changeset
212 =back
181
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
213
47dac58691ee New templating system, small fixes
sourcer
parents:
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214 =head2 Загрузка элемента управления
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
215
47dac58691ee New templating system, small fixes
sourcer
parents:
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216 =over
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
217
190
cd1ff7029a63 IMLP::Web::View refactored, added new method 'require' which is available inside templates. Changed document rendering.
cin
parents: 189
diff changeset
218 =item 1 C<require('my/org/input')>
181
47dac58691ee New templating system, small fixes
sourcer
parents:
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219
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sourcer
parents:
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220 =item 1 Загружает шаблон C<my/org/input.tt>
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
221
189
08015e2803f1 IMPL::Vew::Web - fixed memory leaks, more tests
cin
parents: 188
diff changeset
222 =item 1 Создает фабрику элементов управления с собственным контекстом, унаследованным от контекст документа.
181
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
223
189
08015e2803f1 IMPL::Vew::Web - fixed memory leaks, more tests
cin
parents: 188
diff changeset
224 =item 1 Выполняет шаблон в пространстве имен фабрики
181
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
225
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
226 =back
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
227
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
228 =head2 Создание элемента управления
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
229
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
230 =over
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
231
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sourcer
parents:
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232 =item 1 C<< my.org.input.new('login') >>
47dac58691ee New templating system, small fixes
sourcer
parents:
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233
47dac58691ee New templating system, small fixes
sourcer
parents:
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234 =item 1 Если это первый элемент управления, то выполняетя статический конструктор в контексте фабрики
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
235
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
236 =item 1 Создается новый дочерний контекст к контексту фабрики
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
237
47dac58691ee New templating system, small fixes
sourcer
parents:
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238 =item 1 Создается экземпляр элемента управления
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
239
47dac58691ee New templating system, small fixes
sourcer
parents:
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240 =item 1 Выполняется блок конструктора в контексте элемента управления, параметр C<this> имеет значение
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
241 нового экземпляра элемента управления
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
242
47dac58691ee New templating system, small fixes
sourcer
parents:
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243 =back
47dac58691ee New templating system, small fixes
sourcer
parents:
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244
47dac58691ee New templating system, small fixes
sourcer
parents:
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245 =head1 MEMBERS
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
246
47dac58691ee New templating system, small fixes
sourcer
parents:
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247 =over
47dac58691ee New templating system, small fixes
sourcer
parents:
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248
47dac58691ee New templating system, small fixes
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parents:
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249 =item C<CTOR($template, %options)>
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
250
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
251 Создает экземпляр документа с указанным шаблоном и параметрами, параметры
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
252
47dac58691ee New templating system, small fixes
sourcer
parents:
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253 =back
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
254
47dac58691ee New templating system, small fixes
sourcer
parents:
diff changeset
255 =cut