| 181 | 1 package IMPL::Web::View::TTLoader; | 
|  | 2 use strict; | 
|  | 3 | 
|  | 4 use IMPL::lang qw(:declare :constants); | 
|  | 5 | 
|  | 6 use Template::Provider(); | 
|  | 7 use Template::Context(); | 
|  | 8 use Template::Constants qw(:status); | 
|  | 9 | 
|  | 10 use IMPL::Web::View::TTDocument(); | 
|  | 11 | 
|  | 12 use parent qw( | 
|  | 13 	IMPL::Object | 
|  | 14 ); | 
|  | 15 | 
|  | 16 BEGIN { | 
|  | 17 	public property options => PROP_ALL; | 
|  | 18 	public property provider => PROP_GET | PROP_OWNERSET; | 
|  | 19 	public property context => PROP_GET | PROP_OWNERSET; | 
|  | 20 	public property ext => PROP_ALL; | 
|  | 21 | 
|  | 22 	public property isInitialized => PROP_GET | PROP_OWNERSET; | 
|  | 23 	public property initializer => PROP_GET | PROP_OWNERSET; | 
|  | 24 } | 
|  | 25 | 
|  | 26 sub CTOR { | 
|  | 27 	my ($this,$refOpts,%args) = @_; | 
|  | 28 | 
| 184 | 29 	$refOpts ||= {}; | 
|  | 30 | 
|  | 31 	$this->ext(delete $args{ext}); | 
| 181 | 32 	$this->initializer(delete $args{initializer}); | 
|  | 33 | 
|  | 34 	$this->options($refOpts); | 
|  | 35 | 
| 184 | 36 	# to aviod cyclic references we need to do a copy of $refOpts | 
|  | 37 	$refOpts->{LOAD_TEMPLATES} = $this->provider(new Template::Provider( { %$refOpts } )); | 
| 181 | 38 | 
|  | 39 	$this->context(new Template::Context($refOpts)); | 
|  | 40 } | 
|  | 41 | 
|  | 42 sub document { | 
|  | 43 	my ($this,$name) = @_; | 
|  | 44 | 
|  | 45 	my $tt = $this->template($name); | 
|  | 46 | 
|  | 47 	$this->_init(); | 
|  | 48 | 
| 184 | 49 	my $opts = { %{ $this->options } }; | 
| 181 | 50 | 
|  | 51 	$opts->{STASH} = $this->context->stash->clone(); | 
|  | 52 	$opts->{LOAD_TEMPLATES} = $this->provider; | 
|  | 53 | 
|  | 54 	return new IMPL::Web::View::TTDocument( $tt, $opts, loader => $this ); | 
|  | 55 } | 
|  | 56 | 
|  | 57 sub template { | 
|  | 58 	my ($this,$name) = @_; | 
|  | 59 | 
|  | 60 	$name =~ s/^\s+|\s+$//g; | 
|  | 61 | 
|  | 62 	die new IMPL::ArgumentException("A valid template name is required") unless length $name; | 
|  | 63 | 
|  | 64 	$name = $this->_appendExt($name); | 
|  | 65 | 
|  | 66 	my ($tt,$error) = $this->provider->fetch($name); | 
|  | 67 | 
| 184 | 68 	if (defined $error and $error == STATUS_DECLINED) { | 
| 181 | 69 		die new IMPL::KeyNotFoundException($name); | 
| 184 | 70 	} elsif (defined $error and $error == STATUS_ERROR) { | 
| 181 | 71 		die new IMPL::Exception("Failed to load a template", $name, $tt); | 
|  | 72 	} | 
|  | 73 | 
|  | 74 	return $tt; | 
|  | 75 } | 
|  | 76 | 
|  | 77 sub _appendExt { | 
|  | 78 	my ($this,$name) = @_; | 
|  | 79 | 
|  | 80 	if (length $this->ext and substr( $name, -length($this->ext) ) eq $this->ext) { | 
|  | 81 		return $name; | 
|  | 82 	} else { | 
|  | 83 		return $name . $this->ext; | 
|  | 84 	} | 
|  | 85 } | 
|  | 86 | 
|  | 87 sub _init { | 
|  | 88 	my ($this) = @_; | 
|  | 89 | 
|  | 90 	if (!$this->isInitialized) { | 
|  | 91 		if ($this->initializer) { | 
|  | 92 			eval { | 
|  | 93 				$this->context->process($this->initializer); | 
| 184 | 94 			}; | 
|  | 95 			if (my $e = $@) { | 
|  | 96 				die new IMPL::Exception("Failed to process an initializer", $this->initializer, $e); | 
| 181 | 97 			} | 
|  | 98 		} | 
| 184 | 99 		$this->isInitialized(1); | 
| 181 | 100 	} | 
|  | 101 } | 
|  | 102 | 
|  | 103 1; | 
|  | 104 | 
|  | 105 __END__ | 
|  | 106 | 
|  | 107 =pod | 
|  | 108 | 
|  | 109 =head1 NAME | 
|  | 110 | 
|  | 111 C<IMPL::Web::View::TTLoader> - предоставляет глобальный контекст для загрузки шаблонов | 
|  | 112 | 
|  | 113 =head1 SYNOPSIS | 
|  | 114 | 
|  | 115 =begin code | 
|  | 116 | 
|  | 117 use IMPL::Web::View::TTLoader(); | 
|  | 118 | 
|  | 119 my $loader = new IMPL::Web::View::TTLoader( | 
|  | 120 	{ | 
|  | 121 		INCLUDE_PATH => [ | 
|  | 122 			'/my/app/tt', | 
|  | 123 			'/my/app/tt/lib' | 
|  | 124 		] | 
|  | 125 	}, | 
|  | 126 	ext => '.tt', | 
|  | 127 	initializer => 'shared/global' | 
|  | 128 | 
|  | 129 ); | 
|  | 130 | 
|  | 131 my $doc = $loader->document('index'); | 
|  | 132 | 
|  | 133 my $html = $doc->Render(); | 
|  | 134 | 
|  | 135 =end code | 
|  | 136 | 
|  | 137 =head1 DESCRIPTION | 
|  | 138 | 
| 182 | 139 =head1 MEMBERS | 
|  | 140 | 
|  | 141 =head2 C<document($docName)> | 
|  | 142 | 
| 181 | 143 =cut | 
|  | 144 |