Initial Import

1 files changed, 285 insertions, 0 deletions

diff --git a/system/scaffolding/Scaffolding.php b/system/scaffolding/Scaffolding.php
new file mode 100644
index 000000000..4b6ebeed5
--- /dev/null
+++ b/system/scaffolding/Scaffolding.php
@@ -0,0 +1,285 @@
+<?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 1.0
+ * @filesource
+ */
+ 
+// ------------------------------------------------------------------------
+
+/**
+ * Scaffolding Class
+ * 
+ * Provides the Scaffolding framework
+ *
+ * @package		CodeIgniter
+ * @subpackage	Scaffolding
+ * @author		Rick Ellis
+ * @link		http://www.codeigniter.com/user_guide/general/scaffolding.html
+ */
+class Scaffolding {
+
+	var $current_table;
+	var $base_url = '';
+	var $lang = array();
+
+	function Scaffolding($db_table)
+	{
+		$obj =& get_instance();
+		foreach ($obj->ci_is_loaded as $val)
+		{
+			$this->$val =& $obj->$val;
+		}
+				
+		/**
+		 * Set the current table name
+		 * This is done when initializing scaffolding:
+		 * $this->_ci_init_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->load->_ci_set_view_path(BASEPATH.'scaffolding/views/');
+
+		// Set the base URL
+		$this->base_url = $this->config->site_url().'/'.$this->uri->segment(1).$this->uri->slash_segment(2, 'both');
+		$this->base_uri = $this->uri->segment(1).$this->uri->slash_segment(2, 'leading');
+
+		// Set a few globals
+		$data = array(
+						'image_url'	=> $this->config->system_url().'scaffolding/images/',
+						'base_uri'  => $this->base_uri,
+						'base_url'	=> $this->base_url,
+						'title'		=> $this->current_table
+					);
+		
+		$this->load->vars($data);
+		
+		// Load the language file and create variables
+		$this->lang = $this->load->language('scaffolding', '', TRUE);		
+		$this->load->vars($this->lang);
+				
+		//  Load the helper files we plan to use
+		$this->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' => $this->db->field_data($this->current_table),
+						'action' => $this->base_uri.'/insert'
+					);
+	
+		$this->load->view('add', $data);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Insert the data
+	 *
+	 * @access	public
+	 * @return	void	redirects to the view page
+	 */
+	function insert()
+	{		
+		if ($this->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 = $this->db->count_all($this->current_table);
+		
+		if ($total_rows < 1)
+		{
+			return $this->load->view('no_data');
+		}
+		
+		// Set the query limit/offset
+		$per_page = 20;
+		$offset = $this->uri->segment(4, 0);
+		
+		// Run the query
+		$query = $this->db->get($this->current_table, $per_page, $offset);
+
+		// Now let's get the field names				
+		$fields = $this->db->field_names($this->current_table);
+		
+		// We assume that the column in the first position is the primary field.
+		$primary = current($fields);
+
+		// Pagination!
+		$this->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->pagination->create_links()
+					);
+						
+		$this->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->uri->segment(4)))
+		{
+			return $this->view();
+		}
+
+		// Fetch the primary field name
+		$primary = $this->db->primary($this->current_table);				
+
+		// Run the query
+		$query = $this->db->getwhere($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->uri->segment(4)
+					);
+	
+		$this->load->view('edit', $data);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Update
+	 *
+	 * @access	public
+	 * @return	void	redirects to the view page
+	 */
+	function update()
+	{	
+		// Fetch the primary key
+		$primary = $this->db->primary($this->current_table);				
+
+		// Now do the query
+		$this->db->update($this->current_table, $_POST, array($primary => $this->uri->segment(4)));
+		
+		redirect($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->uri->segment(4);
+		}
+		else
+		{
+			$message = $this->lang['scaff_del_confirm'].' '.$this->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', $this->uri->segment(4)), ( ! isset($this->lang['scaff_yes'])) ? 'Yes' : $this->lang['scaff_yes'])
+					);
+	
+		$this->load->view('delete', $data);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Delete
+	 *
+	 * @access	public
+	 * @return	void	redirects to the view page
+	 */
+	function do_delete()
+	{		
+		// Fetch the primary key
+		$primary = $this->db->primary($this->current_table);				
+
+		// Now do the query
+		$this->db->where($primary, $this->uri->segment(4));
+		$this->db->delete($this->current_table);
+
+		header("Refresh:0;url=".site_url(array($this->base_uri, 'view')));
+		exit;
+	}
+
+}
+?>
\ No newline at end of file