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authoradmin <devnull@localhost>2006-09-26 09:52:09 +0200
committeradmin <devnull@localhost>2006-09-26 09:52:09 +0200
commit7981a9a752c339611ae10a252469f9dbc266fb96 (patch)
tree9a66510a001a586e381b73c355b9888d64519b1a /system/libraries/Controller.php
parentebbe383453f3f18d09a8c7f3437d5712bdb8e650 (diff)
Diffstat (limited to 'system/libraries/Controller.php')
-rw-r--r--system/libraries/Controller.php137
1 files changed, 94 insertions, 43 deletions
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
index 97aa4b789..74b233ef3 100644
--- a/system/libraries/Controller.php
+++ b/system/libraries/Controller.php
@@ -32,6 +32,8 @@ class Controller extends CI_Base {
var $_ci_models = array();
var $_ci_scaffolding = FALSE;
var $_ci_scaff_table = FALSE;
+ var $_ci_last_handle = NULL;
+ var $_ci_last_params = NULL;
/**
* Constructor
@@ -63,57 +65,117 @@ class Controller extends CI_Base {
log_message('debug', "Controller Class Initialized");
}
- // END Controller()
// --------------------------------------------------------------------
/**
* Initialization Handler
*
- * Looks for the existence of a handler method and calls it
+ * Designed to be called from the class files themselves.
+ * See: http://www.codeigniter.com/user_guide/general/creating_libraries.html
+ *
+ * @access public
+ * @param string class name
+ * @param string variable name
+ * @param mixed any additional parameters
+ * @return void
+ */
+ function init_class($class, $varname = '', $params = NULL)
+ {
+ // First figure out what variable we're going to
+ // use to instantiate the class to
+ if ($varname == '')
+ {
+ $varname = ( ! is_null($this->_ci_last_handle)) ? $this->_ci_last_handle : strtolower(str_replace('CI_', '', $class));
+ }
+
+ // Are there any parameters?
+ if ($params === NULL AND $this->_ci_last_params !== NULL)
+ {
+ $params = $this->_ci_last_params;
+ }
+
+ // Instantiate the class
+ if ( ! is_null($params))
+ {
+ $this->$varname = new $class($params);
+ }
+ else
+ {
+ $this->$varname = new $class;
+ }
+
+ $this->_ci_last_params = NULL;
+ $this->_ci_last_handle = NULL;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Initialization Handler
+ *
+ * This function loads the requested class.
*
* @access private
* @param string the item that is being loaded
* @param mixed any additional parameters
* @return void
*/
- function _ci_initialize($class, $params = FALSE)
- {
+ function _ci_init_class($class, $params = NULL)
+ {
+ // Prep the class name
$class = strtolower(str_replace(EXT, '', $class));
+
+ // These are used by $this->init_class() above.
+ // They lets us dynamically set the object name and pass parameters
+ $this->_ci_last_handle = $class;
+ $this->_ci_last_params = $params;
+
+ // Does THIS file (Controller.php) contain an initialization
+ // function that maps to the requested class?
+
$method = '_ci_init_'.$class;
-
- if ( ! method_exists($this, $method))
- {
- $class = ucfirst($class);
- if ( ! file_exists(APPPATH.'libraries/'.$class.EXT))
+ if (method_exists($this, $method))
+ {
+ if (is_null($params))
{
- if ( ! file_exists(BASEPATH.'libraries/'.$class.EXT))
- {
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the class: ".$class);
- }
-
- include_once(BASEPATH.'libraries/'.$class.EXT);
+ $this->$method();
}
else
{
- include_once(APPPATH.'libraries/'.$class.EXT);
- }
+ $this->$method($params);
+ }
+
+ // We're done...
+ return TRUE;
}
- else
+
+ // Lets search for the requested library file and load it.
+ // We'll assume that the file we load contains a call to
+ // $obj->init_class() so that the class can get instantiated.
+ // For backward compatibility we'll test for filenames that are
+ // both uppercase and lower.
+
+ foreach (array(ucfirst($class), $class) as $filename)
{
- if ($params === FALSE)
+ for ($i = 1; $i < 3; $i++)
{
- $this->$method();
- }
- else
- {
- $this->$method($params);
+ $path = ($i % 2) ? APPPATH : BASEPATH;
+
+ if (file_exists($path.'libraries/'.$filename.EXT))
+ {
+ include_once($path.'libraries/'.$filename.EXT);
+ return TRUE;
+ }
}
+
}
+
+ // 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);
}
- // END _ci_initialize()
// --------------------------------------------------------------------
@@ -124,7 +186,7 @@ class Controller extends CI_Base {
* @param string
* @return array
*/
- function _ci_load_model($model, $name = '', $db_conn = FALSE)
+ function _ci_init_model($model, $name = '', $db_conn = FALSE)
{
if ($name == '')
{
@@ -168,9 +230,7 @@ class Controller extends CI_Base {
$this->$name = new $model();
$this->_ci_models[] = $name;
$this->_ci_assign_to_models();
- }
- // END _ci_load_model()
-
+ }
// --------------------------------------------------------------------
@@ -195,9 +255,7 @@ class Controller extends CI_Base {
{
$obj->$model->_assign_libraries();
}
- }
- // END _ci_assign_to_models()
-
+ }
// --------------------------------------------------------------------
@@ -245,13 +303,12 @@ class Controller extends CI_Base {
foreach ($autoload['libraries'] as $item)
{
- $this->_ci_initialize($item);
+ $this->_ci_init_class($item);
}
unset($autoload['libraries']);
return $autoload;
}
- // END _ci_autoload()
// --------------------------------------------------------------------
@@ -282,7 +339,6 @@ class Controller extends CI_Base {
$this->load = new CI_Loader();
}
}
- // END _ci_assign_core()
// --------------------------------------------------------------------
@@ -311,7 +367,6 @@ class Controller extends CI_Base {
$this->_ci_scaffolding = TRUE;
$this->_ci_scaff_table = $table;
}
- // END _ci_init_scaffolding()
// --------------------------------------------------------------------
@@ -324,7 +379,7 @@ class Controller extends CI_Base {
* @return void
*/
function _ci_init_database($params = '', $return = FALSE, $active_record = FALSE)
- {
+ {
if ($this->_ci_is_loaded('db') == TRUE AND $return == FALSE AND $active_record == FALSE)
{
return;
@@ -394,7 +449,6 @@ class Controller extends CI_Base {
$obj =& get_instance();
$obj->db =& $DB;
}
- // END _ci_init_database()
// --------------------------------------------------------------------
@@ -409,7 +463,6 @@ class Controller extends CI_Base {
{
return ( ! isset($this->$class) OR ! is_object($this->$class)) ? FALSE : TRUE;
}
- // END _ci_is_loaded()
// --------------------------------------------------------------------
@@ -440,13 +493,11 @@ class Controller extends CI_Base {
}
$this->_ci_init_database("", FALSE, TRUE);
-
- $this->_ci_initialize('pagination');
+ $this->_ci_init_class('pagination');
require_once(BASEPATH.'scaffolding/Scaffolding'.EXT);
$this->scaff = new Scaffolding($this->_ci_scaff_table);
$this->scaff->$method();
}
- // END _ci_scaffolding()
}
// END _Controller class