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| Current File : /home1/savoy/public_html/savoyglobal.net/simsdemo/school/scaffolding/Scaffolding.php |
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Scaffolding Class
*
* Provides the Scaffolding framework
*
* @package CodeIgniter
* @subpackage Scaffolding
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/general/scaffolding.html
*/
class Scaffolding {
var $CI;
var $current_table;
var $base_url = '';
var $lang = array();
function Scaffolding($db_table)
{
$this->CI =& get_instance();
$this->CI->load->database("", FALSE, TRUE);
$this->CI->load->library('pagination');
// Turn off caching
$this->CI->db->cache_off();
/**
* Set the current table name
* This is done when initializing scaffolding:
* $this->load->scaffolding('table_name')
*
*/
$this->current_table = $db_table;
/**
* Set the path to the "view" files
* We'll manually override the "view" path so that
* the load->view function knows where to look.
*/
$this->CI->load->_ci_view_path = BASEPATH.'scaffolding/views/';
// Set the base URL
$this->base_url = $this->CI->config->site_url().'/'.$this->CI->uri->segment(1).$this->CI->uri->slash_segment(2, 'both');
$this->base_uri = $this->CI->uri->segment(1).$this->CI->uri->slash_segment(2, 'leading');
// Set a few globals
$data = array(
'image_url' => $this->CI->config->system_url().'scaffolding/images/',
'base_uri' => $this->base_uri,
'base_url' => $this->base_url,
'title' => $this->current_table
);
$this->CI->load->vars($data);
// Load the language file and create variables
$this->lang = $this->CI->load->scaffold_language('scaffolding', '', TRUE);
$this->CI->load->vars($this->lang);
// Load the helper files we plan to use
$this->CI->load->helper(array('url', 'form'));
log_message('debug', 'Scaffolding Class Initialized');
}
// --------------------------------------------------------------------
/**
* "Add" Page
*
* Shows a form representing the currently selected DB
* so that data can be inserted
*
* @access public
* @return string the HTML "add" page
*/
function add()
{
$data = array(
'title' => ( ! isset($this->lang['scaff_add'])) ? 'Add Data' : $this->lang['scaff_add'],
'fields' => $this->CI->db->field_data($this->current_table),
'action' => $this->base_uri.'/insert'
);
$this->CI->load->view('add', $data);
}
// --------------------------------------------------------------------
/**
* Insert the data
*
* @access public
* @return void redirects to the view page
*/
function insert()
{
if ($this->CI->db->insert($this->current_table, $_POST) === FALSE)
{
$this->add();
}
else
{
redirect($this->base_uri.'/view/');
}
}
// --------------------------------------------------------------------
/**
* "View" Page
*
* Shows a table containing the data in the currently
* selected DB
*
* @access public
* @return string the HTML "view" page
*/
function view()
{
// Fetch the total number of DB rows
$total_rows = $this->CI->db->count_all($this->current_table);
if ($total_rows < 1)
{
return $this->CI->load->view('no_data');
}
// Set the query limit/offset
$per_page = 20;
$offset = $this->CI->uri->segment(4, 0);
// Run the query
$query = $this->CI->db->get($this->current_table, $per_page, $offset);
// Now let's get the field names
$fields = $this->CI->db->list_fields($this->current_table);
// We assume that the column in the first position is the primary field.
$primary = current($fields);
// Pagination!
$this->CI->pagination->initialize(
array(
'base_url' => $this->base_url.'/view',
'total_rows' => $total_rows,
'per_page' => $per_page,
'uri_segment' => 4,
'full_tag_open' => '<p>',
'full_tag_close' => '</p>'
)
);
$data = array(
'title' => ( ! isset($this->lang['scaff_view'])) ? 'View Data' : $this->lang['scaff_view'],
'query' => $query,
'fields' => $fields,
'primary' => $primary,
'paginate' => $this->CI->pagination->create_links()
);
$this->CI->load->view('view', $data);
}
// --------------------------------------------------------------------
/**
* "Edit" Page
*
* Shows a form representing the currently selected DB
* so that data can be edited
*
* @access public
* @return string the HTML "edit" page
*/
function edit()
{
if (FALSE === ($id = $this->CI->uri->segment(4)))
{
return $this->view();
}
// Fetch the primary field name
$primary = $this->CI->db->primary($this->current_table);
// Run the query
$query = $this->CI->db->get_where($this->current_table, array($primary => $id));
$data = array(
'title' => ( ! isset($this->lang['scaff_edit'])) ? 'Edit Data' : $this->lang['scaff_edit'],
'fields' => $query->field_data(),
'query' => $query->row(),
'action' => $this->base_uri.'/update/'.$this->CI->uri->segment(4)
);
$this->CI->load->view('edit', $data);
}
// --------------------------------------------------------------------
/**
* Update
*
* @access public
* @return void redirects to the view page
*/
function update()
{
// Fetch the primary key
$primary = $this->CI->db->primary($this->current_table);
// Now do the query
$this->CI->db->update($this->current_table, $_POST, array($primary => $this->CI->uri->segment(4)));
redirect($this->base_uri.'/view/');
}
// --------------------------------------------------------------------
/**
* Delete Confirmation
*
* @access public
* @return string the HTML "delete confirm" page
*/
function delete()
{
if ( ! isset($this->lang['scaff_del_confirm']))
{
$message = 'Are you sure you want to delete the following row: '.$this->CI->uri->segment(4);
}
else
{
$message = $this->lang['scaff_del_confirm'].' '.$this->CI->uri->segment(4);
}
$data = array(
'title' => ( ! isset($this->lang['scaff_delete'])) ? 'Delete Data' : $this->lang['scaff_delete'],
'message' => $message,
'no' => anchor(array($this->base_uri, 'view'), ( ! isset($this->lang['scaff_no'])) ? 'No' : $this->lang['scaff_no']),
'yes' => anchor(array($this->base_uri, 'do_delete', $this->CI->uri->segment(4)), ( ! isset($this->lang['scaff_yes'])) ? 'Yes' : $this->lang['scaff_yes'])
);
$this->CI->load->view('delete', $data);
}
// --------------------------------------------------------------------
/**
* Delete
*
* @access public
* @return void redirects to the view page
*/
function do_delete()
{
// Fetch the primary key
$primary = $this->CI->db->primary($this->current_table);
// Now do the query
$this->CI->db->where($primary, $this->CI->uri->segment(4));
$this->CI->db->delete($this->current_table);
header("Refresh:0;url=".site_url(array($this->base_uri, 'view')));
exit;
}
}
/* End of file Scaffolding.php */
/* Location: ./system/scaffolding/Scaffolding.php */