summaryrefslogtreecommitdiffstats
path: root/system/libraries/Controller.php
diff options
context:
space:
mode:
authoradmin <devnull@localhost>2006-10-07 03:17:25 +0200
committeradmin <devnull@localhost>2006-10-07 03:17:25 +0200
commit8f0a8f693307a6d04b8a50aa11f81041c961adf6 (patch)
tree698f2b4d004a5dd604ded5138fc6afdcb776ade0 /system/libraries/Controller.php
parent61c5717b76bc39823215aaceacdba97264f668d4 (diff)
Diffstat (limited to 'system/libraries/Controller.php')
-rw-r--r--system/libraries/Controller.php439
1 files changed, 22 insertions, 417 deletions
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index b09be6c57..88b49a9e6 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -29,355 +29,39 @@
*/
class Controller extends CI_Base {
- var $_ci_models = array();
var $_ci_scaffolding = FALSE;
var $_ci_scaff_table = FALSE;
/**
* Constructor
*
- * Loads the base classes needed to run CI, and runs the "autoload"
- * routine which loads the systems specified in the "autoload" config file.
+ * Calls the initialize() function
*/
function Controller()
{
parent::CI_Base();
- // Assign all the class objects that were instantiated by the
- // front controller to local class variables so that CI can be
- // run as one big super object.
- $this->_ci_assign_core();
-
- // Load everything specified in the autoload.php file
- $this->load->_ci_autoloader($this->_ci_autoload());
-
- // This allows anything loaded using $this->load (viwes, files, etc.)
- // to become accessible from within the Controller class functions.
- foreach (get_object_vars($this) as $key => $var)
- {
- if (is_object($var))
- {
- $this->load->$key =& $this->$key;
- }
- }
+ $this->_ci_initialize();
log_message('debug', "Controller Class Initialized");
}
-
+
// --------------------------------------------------------------------
/**
- * Initialization Handler
+ * Initialize
*
- * This function loads the requested class.
- *
- * @access private
- * @param string the item that is being loaded
- * @param mixed any additional parameters
- * @return void
- */
- function _ci_load_class($class, $params = NULL)
- {
- // Prep the class name
- $class = strtolower(str_replace(EXT, '', $class));
-
- // Bug fix for backward compat.
- // Kill this at some point in the future
- if ($class == 'unit_test')
- {
- $class = 'unit';
- }
-
- // Is this a class extension request?
- if (substr($class, 0, 3) == 'my_')
- {
- $class = preg_replace("/my_(.+)/", "\\1", $class);
- $extend = TRUE;
- }
- else
- {
- $extend = FALSE;
- }
-
- // Does THIS file (Controller.php) contain an initialization
- // function that maps to the requested class?
-
- $method = '_ci_init_'.$class;
-
- if (method_exists($this, $method))
- {
- if (is_null($params))
- {
- $this->$method();
- }
- else
- {
- $this->$method($params);
- }
-
- // We're done...
- return TRUE;
- }
-
- // Are we extending one of the base classes?
- if ($extend == TRUE)
- {
- // Load the requested library from the main system/libraries folder
- if (file_exists(BASEPATH.'libraries/'.ucfirst($class).EXT))
- {
- include_once(BASEPATH.'libraries/'.ucfirst($class).EXT);
- }
-
- // Now look for a matching library
- foreach (array(ucfirst($class), $class) as $filename)
- {
- if (file_exists(APPPATH.'libraries/'.$filename.EXT))
- {
- include_once(APPPATH.'libraries/'.$filename.EXT);
- }
- }
-
- return $this->_ci_init_class($filename, 'MY_', $params);
- }
- else
- {
- // Lets search for the requested library file and load it.
- // For backward compatibility we'll test for filenames that are
- // both uppercase and lower.
- foreach (array(ucfirst($class), $class) as $filename)
- {
- for ($i = 1; $i < 3; $i++)
- {
- $path = ($i % 2) ? APPPATH : BASEPATH;
-
- if (file_exists($path.'libraries/'.$filename.EXT))
- {
- include_once($path.'libraries/'.$filename.EXT);
- return $this->_ci_init_class($filename, '', $params);
- }
- }
- }
- }
-
- // If we got this far we were unable to find the requested class
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the class: ".$class);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Instantiates a class
- *
- * @access private
- * @param string
- * @param string
- * @return null
- */
- function _ci_init_class($class, $prefix = '', $config = NULL)
- {
- // Is there an associated config file for this class?
- if ($config == NULL)
- {
- if (file_exists(APPPATH.'config/'.$class.EXT))
- {
- include_once(APPPATH.'config/'.$class.EXT);
- }
- }
-
- if ($prefix == '')
- {
- $name = ( ! class_exists($class)) ? 'CI_'.$class : $class;
- }
- else
- {
- $name = $prefix.$class;
- }
-
- $varname = ( ! isset($remap[$class])) ? $class : $remap[$class];
- $varname = strtolower($varname);
-
- // Instantiate the class
- if ($config !== NULL)
- {
- $this->$varname = new $name($config);
- }
- else
- {
- $this->$varname = new $name;
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Loads and instantiates the requested model class
- *
- * @access private
- * @param string
- * @return array
- */
- function _ci_init_model($model, $name = '', $db_conn = FALSE)
- {
- // Is the model in a sub-folder?
- // If so, parse out the filename and path.
- if (strpos($model, '/') === FALSE)
- {
- $path = '';
- }
- else
- {
- $x = explode('/', $model);
- $model = end($x);
- unset($x[count($x)-1]);
- $path = implode('/', $x).'/';
- }
-
- if ($name == '')
- {
- $name = $model;
- }
-
- $obj =& get_instance();
- if (in_array($name, $obj->_ci_models, TRUE))
- {
- return;
- }
-
- if (isset($this->$name))
- {
- show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
- }
-
- $model = strtolower($model);
-
- if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT))
- {
- show_error('Unable to locate the model you have specified: '.$model);
- }
-
- if ($db_conn !== FALSE)
- {
- if ($db_conn === TRUE)
- $db_conn = '';
-
- $this->_ci_init_database($db_conn, FALSE, TRUE);
- }
-
- if ( ! class_exists('Model'))
- {
- require_once(BASEPATH.'libraries/Model'.EXT);
- }
-
- require_once(APPPATH.'models/'.$path.$model.EXT);
-
- $model = ucfirst($model);
- $this->$name = new $model();
- $this->_ci_models[] = $name;
- $this->_ci_assign_to_models();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Assign to Models
- *
- * Makes sure that anything loaded by the loader class (libraries, plugins, etc.)
- * will be available to modles, if any exist.
- *
- * @access public
- * @param object
- * @return array
- */
- function _ci_assign_to_models()
- {
- $obj =& get_instance();
- if (count($obj->_ci_models) == 0)
- {
- return;
- }
- foreach ($obj->_ci_models as $model)
- {
- $obj->$model->_assign_libraries();
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Auto-initialize Core Classes
- *
- * This initializes the core systems that are specified in the
- * libraries/autoload.php file, as well as the systems specified in
- * the $autoload class array above.
- *
- * It returns the "autoload" array so we can pass it to the Loader
- * class since it needs to autoload plugins and helper files
- *
- * The config/autoload.php file contains an array that permits
- * sub-systems to be loaded automatically.
- *
- * @access private
- * @return array
- */
- function _ci_autoload()
- {
- include_once(APPPATH.'config/autoload'.EXT);
-
- if ( ! isset($autoload))
- {
- return FALSE;
- }
-
- if (count($autoload['config']) > 0)
- {
- foreach ($autoload['config'] as $key => $val)
- {
- $this->config->load($val);
- }
- }
- unset($autoload['config']);
-
- // A little tweak to remain backward compatible
- // The $autoload['core'] item was deprecated
- if ( ! isset($autoload['libraries']))
- {
- $autoload['libraries'] = $autoload['core'];
-
- }
-
- $exceptions = array('dbutil', 'dbexport');
-
- foreach ($autoload['libraries'] as $item)
- {
- if ( ! in_array($item, $exceptions, TRUE))
- {
- $this->_ci_load_class($item);
- }
- else
- {
- $this->_ci_init_dbextra($item);
- }
- }
- unset($autoload['libraries']);
-
- return $autoload;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Assign the core classes to the global $CI object
- *
- * By assigning all the classes instantiated by the front controller
- * local class variables we enable everything to be accessible using
- * $this->class->function()
+ * Assigns all the bases classes loaded by the front controller to
+ * variables in this class. Also calls the autoload routine.
*
* @access private
* @return void
- */
- function _ci_assign_core()
+ */
+ function _ci_initialize()
{
+ // Assign all the class objects that were instantiated by the
+ // front controller to local class variables so that CI can be
+ // run as one big super object.
foreach (array('Config', 'Input', 'Benchmark', 'URI', 'Output') as $val)
{
$class = strtolower($val);
@@ -392,101 +76,22 @@ class Controller extends CI_Base {
{
$this->load = new CI_Loader();
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Initialize Scaffolding
- *
- * This initializing function works a bit different than the
- * others. It doesn't load the class. Instead, it simply
- * sets a flag indicating that scaffolding is allowed to be
- * used. The actual scaffolding function below is
- * called by the front controller based on whether the
- * second segment of the URL matches the "secret" scaffolding
- * word stored in the application/config/routes.php
- *
- * @access private
- * @param string the table to scaffold
- * @return void
- */
- function _ci_init_scaffolding($table = FALSE)
- {
- if ($table === FALSE)
- {
- show_error('You must include the name of the table you would like access when you initialize scaffolding');
- }
- $this->_ci_scaffolding = TRUE;
- $this->_ci_scaff_table = $table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Initialize Database
- *
- * @access private
- * @param mixed database connection values
- * @param bool whether to return the object for multiple connections
- * @param bool whether to load the active record class
- * @return void
- */
- function _ci_init_database($params = '', $return = FALSE, $active_record = FALSE)
- {
- require_once(BASEPATH.'database/DB'.EXT);
- return DB($params, $return, $active_record);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Returns TRUE if a class is loaded, FALSE if not
- *
- * @access public
- * @param string the class name
- * @return bool
- */
- function _ci_is_loaded($class)
- {
- return ( ! isset($this->$class) OR ! is_object($this->$class)) ? FALSE : TRUE;
- }
-
- // --------------------------------------------------------------------
+ // Load everything specified in the autoload.php file
+ $this->load->_ci_autoloader();
- /**
- * Scaffolding
- *
- * Initializes the scaffolding.
- *
- * @access private
- * @return void
- */
- function _ci_scaffolding()
- {
- if ($this->_ci_scaffolding === FALSE OR $this->_ci_scaff_table === FALSE)
- {
- show_404('Scaffolding unavailable');
- }
-
- if (class_exists('Scaffolding')) return;
-
- if ( ! in_array($this->uri->segment(3), array('add', 'insert', 'edit', 'update', 'view', 'delete', 'do_delete'), TRUE))
- {
- $method = 'view';
- }
- else
+ // This allows anything loaded using $this->load (viwes, files, etc.)
+ // to become accessible from within the Controller class functions.
+ foreach (get_object_vars($this) as $key => $var)
{
- $method = $this->uri->segment(3);
- }
-
- $this->_ci_init_database("", FALSE, TRUE);
- $this->_ci_load_class('pagination');
- require_once(BASEPATH.'scaffolding/Scaffolding'.EXT);
- $this->scaff = new Scaffolding($this->_ci_scaff_table);
- $this->scaff->$method();
+ if (is_object($var))
+ {
+ $this->load->$key =& $this->$key;
+ }
+ }
}
+
}
// END _Controller class