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authorFlorian Pritz <bluewind@xssn.at>2010-02-06 23:14:56 +0100
committerFlorian Pritz <bluewind@xssn.at>2010-02-06 23:31:27 +0100
commit9e9d77b4072de4f8c73e8bbade07a8f27734e4bd (patch)
treea5d709254968fed8f3acdb9eec68fde2faa14b94 /system/scaffolding/Scaffolding.php
Initial commit
Signed-off-by: Florian Pritz <bluewind@xssn.at>
Diffstat (limited to 'system/scaffolding/Scaffolding.php')
-rw-r--r--system/scaffolding/Scaffolding.php291
1 files changed, 291 insertions, 0 deletions
diff --git a/system/scaffolding/Scaffolding.php b/system/scaffolding/Scaffolding.php
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+<?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 - 2009, 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 */ \ No newline at end of file