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   1  <?php
   2  //
   3  // Definition of eZMatrixDefinition class
   4  //
   5  // Created on: <03-Jun-2003 18:30:44 sp>
   6  //
   7  // SOFTWARE NAME: eZ publish
   8  // SOFTWARE RELEASE: 3.9.0
   9  // BUILD VERSION: 17785
  10  // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS
  11  // SOFTWARE LICENSE: GNU General Public License v2.0
  12  // NOTICE: >
  13  //   This program is free software; you can redistribute it and/or
  14  //   modify it under the terms of version 2.0  of the GNU General
  15  //   Public License as published by the Free Software Foundation.
  16  //
  17  //   This program is distributed in the hope that it will be useful,
  18  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  //   GNU General Public License for more details.
  21  //
  22  //   You should have received a copy of version 2.0 of the GNU General
  23  //   Public License along with this program; if not, write to the Free
  24  //   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  25  //   MA 02110-1301, USA.
  26  //
  27  //
  28  
  29  /*! \file ezmatrixdefinition.php
  30  */
  31  
  32  /*!
  33    \class eZMatrixDefinition ezmatrixdefinition.php
  34    \ingroup eZDatatype
  35    \brief The class eZMatrixDefinition does
  36  
  37  */
  38  include_once ( "lib/ezxml/classes/ezxml.php" );
  39  
  40  class eZMatrixDefinition
  41  {
  42      /*!
  43       Constructor
  44      */
  45      function eZMatrixDefinition()
  46      {
  47          $this->ColumnNames = array();
  48      }
  49  
  50  
  51      function decodeClassAttribute( $xmlString )
  52      {
  53          $xml = new eZXML();
  54          $dom =& $xml->domTree( $xmlString );
  55          if ( strlen ( $xmlString ) != 0 )
  56          {
  57              $columns = $dom->elementsByName( "column-name" );
  58              $columnList = array();
  59              foreach ( $columns as $columnElement )
  60              {
  61                  $columnList[] = array( 'name' => $columnElement->textContent(),
  62                                         'identifier' => $columnElement->attributeValue( 'id' ),
  63                                         'index' =>  $columnElement->attributeValue( 'idx' ) );
  64              }
  65              $this->ColumnNames =& $columnList;
  66          }
  67          else
  68          {
  69              $this->addColumn( );
  70              $this->addColumn( );
  71          }
  72  
  73      }
  74  
  75      function attributes()
  76      {
  77          return array( 'columns' );
  78      }
  79  
  80      function hasAttribute( $attr )
  81      {
  82          return in_array( $attr, $this->attributes() );
  83      }
  84  
  85      function &attribute( $attr )
  86      {
  87          if ( $attr == 'columns' )
  88          {
  89              return $this->ColumnNames;
  90          }
  91          else
  92          {
  93              eZDebug::writeError( "Attribute '$attr' does not exist", 'eZMatrixDefinition::attribute' );
  94              $retValue = null;
  95              return $retValue;
  96          }
  97      }
  98  
  99      function &xmlString( )
 100      {
 101          $doc = new eZDOMDocument( "Matrix" );
 102          $root = $doc->createElementNode( "ezmatrix" );
 103          $doc->setRoot( $root );
 104  
 105          foreach ( $this->ColumnNames as $columnName )
 106          {
 107              $columnNameNode = $doc->createElementNode( 'column-name' );
 108              $columnNameNode->appendAttribute( $doc->createAttributeNode( 'id', $columnName['identifier'] ) );
 109              $columnNameNode->appendAttribute( $doc->createAttributeNode( 'idx', $columnName['index'] ) );
 110              $columnNameNode->appendChild( $doc->createTextNode( $columnName['name'] ) );
 111              $root->appendChild( $columnNameNode );
 112              unset( $columnNameNode );
 113          }
 114  
 115          $xml = $doc->toString();
 116  
 117          return $xml;
 118      }
 119  
 120      function addColumn( $name = false , $id = false )
 121      {
 122          if ( $name == false )
 123          {
 124              $name = 'Col_' . ( count( $this->ColumnNames ) );
 125          }
 126  
 127          if ( $id == false )
 128          {
 129              // Initialize transformation system
 130              include_once ( 'lib/ezi18n/classes/ezchartransform.php' );
 131              $trans =& eZCharTransform::instance();
 132              $id = $trans->transformByGroup( $name, 'identifier' );
 133          }
 134  
 135          $this->ColumnNames[] = array( 'name' => $name,
 136                                        'identifier' => $id,
 137                                        'index' => count( $this->ColumnNames ) );
 138      }
 139  
 140      function removeColumn( $index )
 141      {
 142          if ( $index == 0 && count( $this->ColumnNames ) == 1 )
 143          {
 144              $this->ColumnNames = array();
 145          }
 146          else
 147          {
 148              unset( $this->ColumnNames[$index] );
 149          }
 150      }
 151  
 152      var $ColumnNames;
 153  
 154  }
 155  
 156  ?>