file_input_algorithms.php

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<?php

      /*
      *     This source code is a part of the Ultimix Project. 
      *     It is distributed under BSD license. All other third side source code (like tinyMCE) is distributed under 
      *     it's own license wich could be found from the corresponding files or sources. 
      *     This source code is provided "as is" without any warranties or garanties.
      *
      *     Have a nice day!
      *
      *     @url http://ultimix.sorceforge.net
      *
      *     @author Alexey "gdever" Dodonov
      */

      class file_input_algorithms_1_0_0{
      
            var                           $FileInputAccess = false;
            var                           $Security = false;

            var                           $Extensions = array();
            
            function                __construct()
            {
                  try
                  {
                        $this->FileInputAccess = get_package( 'file_input::file_input_access' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                        
                        $this->Extensions[ 'default' ] = array( 'jpg' , 'jpeg' , 'gif' , 'bmp' , 'png' , 'tif' , 
                              'tiff' , 'doc' , 'docx' , 'ppt' , 'pptx' , 'rtf' , 'xls' , 'xslx' , 'pdf'
                        );
                                                                        
                        $this->Extensions[ 'images' ] = array( 
                              'jpg' , 'jpeg' , 'gif' , 'bmp' , 'png' , 'tiff' , 'tif'
                        );
                        
                        $this->Extensions[ 'archives' ] = array( 
                              'zip' , '7zip' , 'gz' , 'gz2' , 'tar' , 'rar' , 'arc'
                        );
                        
                        $this->Extensions[ 'all' ] = array( '*' );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      
            function                get_extensions( $Type , $AsString = false )
            {
                  try
                  {
                        $Extensions = array();
                        
                        if( isset( $this->Extensions[ $Type ] ) === false )
                        {
                              throw( new Exception( "File type \"$Type\" is undefined" ) );
                        }
                        
                        return( 
                              $AsString ? '*.'.implode( ';*.' , $this->Extensions[ $Type ] ) : $this->Extensions[ $Type ] 
                        );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                get_file_filters( $Type )
            {
                  try
                  {
                        $FileExtensions = $this->get_extensions( $Type , true );
                              
                        if( $Type == 'default' )
                        {
                              $FileDescription = 'Supported types';
                        }
                        elseif( $Type == 'images' )
                        {
                              $FileDescription = 'Images';
                        }
                        elseif( $Type == 'archives' )
                        {
                              $FileDescription = 'Zip archives';
                        }
                        elseif( $Type == 'all' )
                        {
                              $FileDescription = 'All files';
                        }
                        
                        return( array( $FileExtensions , $FileDescription ) );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
            
            function                get_by_id( $id )
            {
                  try
                  {
                        $id = $this->Security->get( $id , 'integer' );
                        
                        $Records = $this->FileInputAccess->unsafe_select( "id = $id" );

                        if( count( $Records ) !== 1 )
                        {
                              throw( new Exception( 'An error occured while record fetching' ) );
                        }
                        else
                        {
                              return( $Records[ 0 ] );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }
      }
?>