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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.3.1
* @filesource
*/
// ------------------------------------------------------------------------
/**
* HTML Table Generating Class
*
* Lets you create tables manually or from database result objects, or arrays.
*
* @package CodeIgniter
* @subpackage Libraries
* @category HTML Tables
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/libraries/uri.html
*/
class CI_Table {
var $rows = array();
var $heading = array();
var $template = NULL;
var $newline = "\n";
function CI_Table()
{
log_message('debug', "Table Class Initialized");
}
// --------------------------------------------------------------------
/**
* Set the template
*
* @access public
* @param array
* @return void
*/
function set_template($template)
{
if ( ! is_array($template))
{
return FALSE;
}
$this->template = $template;
}
// --------------------------------------------------------------------
/**
* Set the table heading
*
* Can be passed as an array or discreet params
*
* @access public
* @param mixed
* @return void
*/
function set_heading()
{
$args = func_get_args();
$this->heading = (is_array($args[0])) ? $args[0] : $args;
}
// --------------------------------------------------------------------
/**
* Add a table row
*
* Can be passed as an array or discreet params
*
* @access public
* @param mixed
* @return void
*/
function add_row()
{
$args = func_get_args();
$this->rows[] = (is_array($args[0])) ? $args[0] : $args;
}
// --------------------------------------------------------------------
/**
* Generate the table
*
* @access public
* @param mixed
* @return string
*/
function generate($table_data = NULL)
{
// The table data can optionally be passed to this function
// either as a database result object or an array
if ( ! is_null($table_data))
{
if (is_object($table_data))
{
$this->_set_from_object($table_data);
}
elseif (is_array($table_data))
{
$this->_set_from_array($table_data);
}
}
// Is there anything to display? No? Smite them!
if (count($this->heading) == 0 AND count($this->rows) == 0)
{
return 'Undefined table data';
}
// Compile and validate the templata date
$this->_compile_template();
// Build the table!
$out = $this->template['table_open'];
$out .= $this->newline;
// Is there a table heading to display?
if (count($this->heading) > 0)
{
$out .= $this->template['heading_row_start'];
$out .= $this->newline;
foreach($this->heading as $heading)
{
$out .= $this->template['heading_cell_start'];
$out .= $heading;
$out .= $this->template['heading_cell_end'];
}
$out .= $this->template['heading_row_end'];
$out .= $this->newline;
}
// Build the table rows
if (count($this->rows) > 0)
{
$i = 1;
foreach($this->rows as $row)
{
if ( ! is_array($row))
{
break;
}
// We use modulus to alternate the row colors
$alt = (fmod($i++, 2)) ? '' : 'alt_';
$out .= $this->template['row_'.$alt.'start'];
$out .= $this->newline;
foreach($row as $cells)
{
$out .= $this->template['cell_'.$alt.'start'];
$out .= $cells;
$out .= $this->template['cell_'.$alt.'end'];
}
$out .= $this->template['row_'.$alt.'end'];
$out .= $this->newline;
}
}
$out .= $this->template['table_close'];
return $out;
}
// --------------------------------------------------------------------
/**
* Set table data from a database result object
*
* @access public
* @param object
* @return void
*/
function _set_from_object($query)
{
if ( ! is_object($query))
{
return FALSE;
}
// First generate the headings from the table column names
if (count($this->heading) == 0)
{
if ( ! method_exists($query, 'field_names'))
{
return FALSE;
}
$this->heading = $query->field_names();
}
// Next blast through the result array and build out the rows
foreach ($query->result_array() as $row)
{
$this->rows[] = $row;
}
}
// --------------------------------------------------------------------
/**
* Set table data from an array
*
* @access public
* @param array
* @return void
*/
function _set_from_array($data)
{
if ( ! is_array($data) OR count($data) == 0)
{
return FALSE;
}
$i = 0;
foreach ($data as $row)
{
if ( ! is_array($row))
{
$this->rows[] = $data;
break;
}
// If a heading hasn't already been set we'll use the first row of the array as the heading
if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0)
{
$this->heading = $row;
}
else
{
$this->rows[] = $row;
}
$i++;
}
}
// --------------------------------------------------------------------
/**
* Compile Template
*
* @access private
* @return void
*/
function _compile_template()
{
if ($this->template == NULL)
{
$this->template = $this->_default_template();
return;
}
$this->temp = $this->_default_template();
foreach (array('table_open','heading_row_start', 'heading_row_end', 'heading_cell_start', 'heading_cell_end', 'row_start', 'row_end', 'cell_start', 'cell_end', 'row_alt_start', 'row_alt_end', 'cell_alt_start', 'cell_alt_end', 'table_close') as $val)
{
if ( ! isset($this->template[$val]))
{
$this->template[$val] = $this->temp[$val];
}
}
}
// --------------------------------------------------------------------
/**
* Default Template
*
* @access private
* @return void
*/
function _default_template()
{
return array (
'table_open' => '<table border="0" cellpadding="4" cellspacing="0">',
'heading_row_start' => '<tr>',
'heading_row_end' => '</tr>',
'heading_cell_start' => '<th>',
'heading_cell_end' => '</th>',
'row_start' => '<tr>',
'row_end' => '</tr>',
'cell_start' => '<td>',
'cell_end' => '</td>',
'row_alt_start' => '<tr>',
'row_alt_end' => '</tr>',
'cell_alt_start' => '<td>',
'cell_alt_end' => '</td>',
'table_close' => '</table>'
);
}
}
?>
|
