PHPTAL-NP-0.7.0/libs/PHPTAL/Attribute/I18N/Attributes.php

   1 <?php
   2 /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3 //
   4 //  Copyright (c) 2003 Laurent Bedubourg
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License, or (at your option) any later version.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 //
  20 //  Authors: Laurent Bedubourg <laurent.bedubourg@free.fr>
  21 //
  22
  23 class PHPTAL_Attribute_I18N_Attributes extends PHPTAL_Attribute
  24 {
  25     var $_overwritten = array();
  26
  27     function activate(&$g, &$tag)
  28     {
  29         global $_phptal_xhtml_boolean_attributes;
  30         $g->requireGettext();
  31
  32         $g->doPrintString('<', $tag->name());
  33
  34         $attributes = $tag->attributes();
  35
  36         // prepare expressions for attributes to translate
  37         $exp = new PHPTAL_Expression($g, $tag, $this->expression);
  38         $exp->setPolicy(_PHPTAL_ES_RECEIVER_IS_TEMP);
  39         $err = $exp->prepare();
  40         if (PEAR::isError($err)) { return $err; }
  41
  42         // more than one attribute to translate
  43         if ($exp->countSubs() > 0) {
  44             foreach ($exp->subs() as $subExpression) {
  45                 $err = $this->_attributeExpression($g, $tag, $subExpression);
  46                 if (PEAR::isError($err)) { return $err; }
  47             }
  48         } else {
  49             $err = $this->_attributeExpression($g, $tag, $exp);
  50             if (PEAR::isError($err)) { return $err; }
  51         }
  52
  53         // echo non overwritten attributes
  54         foreach ($attributes as $key=>$value) {
  55             $test_key = strtolower($key);
  56             if (!in_array($test_key, $this->_overwritten)) {
  57                 // beware of xhtml boolean attributes
  58                 if ($tag->_parser->_outputMode() == PHPTAL_XHTML
  59                     && in_array($test_key, $_phptal_xhtml_boolean_attributes)) {
  60                     $g->doPrintString(' '.$key);
  61                 } else {
  62                     $g->doPrintString(' '.$key.'="');
  63                     $g->doPrintString($value);
  64                     $g->doPrintString('"');
  65                 }
  66             }
  67         }
  68
  69         if ($tag->_isXHTMLEmptyElement()) {
  70             $g->doPrintString(' />');
  71             return;
  72         }
  73
  74         if ($tag->hasContent()) {
  75             $g->doPrintString('>');
  76         } else {
  77             $g->doPrintString('/>');
  78         }
  79
  80         $err = $tag->generateContent($g);
  81         if (PEAR::isError($err)) { return $err; }
  82
  83         if ($tag->hasContent()) {
  84             $g->doPrintString('</', $tag->name(), '>');
  85         }
  86     }
  87
  88     function _attributeExpression(&$g, &$tag, &$subExpression)
  89     {
  90         $attributes = $tag->attributes();
  91         $default    = false;
  92         $name       = strtolower($subExpression->getReceiver());
  93
  94         // set default attribute value in $default variable
  95         if (preg_match('/\bdefault\b/sm', $subExpression->_src)) {
  96             if (!array_key_exists($name, $attributes)) {
  97                 $g->doAffectResult('$__default__', 'false');
  98             } else {
  99                 $value = $attributes[$name];
 100                 $value = str_replace('\'', '\\\'', $value);
 101                 $g->doAffectResult('$__default__', '\''. $value . '\'');
 102             }
 103             $default = true;
 104         }
 105
 106         $real = str_replace('__phptales_dd__', ':', $name);
 107         $this->_overwritten[] = $real;
 108         $err  = $subExpression->generate();
 109         if (PEAR::isError($err)) { return $err; }
 110
 111         $this->_printAttribute($g, $tag, $real, $name, $default);
 112     }
 113
 114     function _printAttribute(&$g, &$tag, $realName, $varName, $default=false)
 115     {
 116         global $_phptal_xhtml_boolean_attributes;
 117
 118         // watch boolean attributes on XHTML mode
 119         if ($tag->_parser->_outputMode() == PHPTAL_XHTML
 120             && in_array($realName, $_phptal_xhtml_boolean_attributes)) {
 121             $g->doIf('!PEAR::isError($'.$varName.') && $'.$varName);
 122             $g->doPrintString(' '.$realName);
 123             $g->endBlock();
 124         } elseif ($default) {
 125             $g->doIf('!PEAR::isError($'.$varName.') && false !== $'.$varName.' && null !== $'.$varName);
 126             $g->doPrintString(' '. $realName . '="');
 127             $code = sprintf('$__tpl__->_translate(trim($%s))', $varName);
 128             $g->doPrintRes($code, true);
 129             // $g->doPrintVar($varName);
 130             $g->doPrintString('"');
 131             $g->endBlock();
 132         } else {
 133             $g->doPrintString(' '. $realName . '="');
 134             $code = sprintf('$__tpl__->_translate(trim($%s))', $varName);
 135             $g->doPrintRes($code, true);
 136             // $g->doPrintVar($varName);
 137             $g->doPrintString('"');
 138         }
 139     }
 140 }
 141
 142 ?>