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