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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2002 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Ian Eure <ieure@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Filler.php,v 1.5 2005/09/10 18:52:43 ieure Exp $
/**
* Base class common to all Fillers
*
* @author Ian Eure <ieure@php.net>
* @package HTML_Table_Matrix
* @since 1.0
*/
class HTML_Table_Matrix_Filler {
/**
* Default filler options
*
* @type array
* @access protected
* @see setOptions()
*/
var $_defaultOptions = array();
/**
* Filler options
*
* @type array
* @see setOptions()
*/
var $options = '';
/**
* Reference to the HTML_Table_Matrix instance we will be Filling for
*
* @type object
*/
var $matrix = '';
/**
* Current row to fill
*
* @type int
*/
var $row = 0;
/**
* Current column to fill
*
* @type int
*/
var $col = 0;
/**
* Callback function applied to _data
*
* @type mixed
*/
var $callback;
/**
* Create an instance of a Filler
*
* @param string $type Type of filler to instantiate
* @param Object $matrix Reference to the HTML_Table_Matrix instance
* the Filler will work with
* @param array $options Filler options
* @return mixed Filler instance on success, PEAR_Error otherwise
*/
function &factory($type, &$matrix, $options = array())
{
$class = 'HTML_Table_Matrix_Filler_'.$type;
$file = str_replace('_', '/', $class).'.php';
@include_once $file;
if (!class_exists($class)) {
return PEAR::raiseError("Filler \"$type\" does not exist.");
}
$instance = new $class($matrix, $options);
return $instance;
}
/**
* Set options for this Filler
*
* @param array $options Options to set
* @return void
*/
function setOptions($options = array()) {
$opts = array_merge($this->_defaultOptions, $options);
$this->options = $opts;
}
/**
* Determine if a given object is a valid H_T_M Filler
*
* @param mixed $object Object to check
* @return boolean true if valid, false otherwise
*/
function isValid(&$object)
{
if (!is_a($object, 'HTML_Table_Matrix_Filler')) {
return false;
}
return true;
}
/**
* Get the next cell.
*
* @param int $index Where we're at in the data-set
* @return array 1-dimensional array in the form of (row, col) containing the
* coordinates to put the data for this loop iteration
*/
function next($index)
{
return PEAR::raiseError("Function not implemented.");
}
}
?>
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