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cakephp2-php8/cake/libs/controller/controller.php

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<?php
/* SVN FILE: $Id$ */
/**
* Base controller class.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.controller
* @since CakePHP(tm) v 0.2.9
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Include files
*/
App::import('Core', array('Component', 'View'));
/**
* Controller
*
* Application controller (controllers are where you put all the actual code)
* Provides basic functionality, such as rendering views (aka displaying templates).
* Automatically selects model name from on singularized object class name
* and creates the model object if proper class exists.
*
* @package cake
* @subpackage cake.cake.libs.controller
*
*/
class Controller extends Object {
/**
* Tshe name of this controller. Controller names are plural, named after the model they manipulate.
*
* @var string
* @access public
*/
var $name = null;
/**
* Stores the current URL, based from the webroot.
*
* @var string
* @access public
*/
var $here = null;
/**
* The webroot of the application. Helpful if your application is placed in a folder under the current domain name.
*
* @var string
* @access public
*/
var $webroot = null;
/**
* The name of the controller action that was requested.
*
* @var string
* @access public
*/
var $action = null;
/**
* An array containing the class names of models this controller uses.
*
* Example: var $uses = array('Product', 'Post', 'Comment');
*
* @var mixed A single name as a string or a list of names as an array.
* @access protected
*/
var $uses = false;
/**
* An array containing the names of helpers this controller uses. The array elements should
* not contain the -Helper part of the classname.
*
* Example: var $helpers = array('Html', 'Javascript', 'Time', 'Ajax');
*
* @var mixed A single name as a string or a list of names as an array.
* @access protected
*/
var $helpers = array('Html', 'Form');
/**
* Parameters received in the current request: GET and POST data, information
* about the request, etc.
*
* @var array
* @access public
*/
var $params = array();
/**
* Data POSTed to the controller using the HtmlHelper. Data here is accessible
* using the $this->data['ModelName']['fieldName'] pattern.
*
* @var array
* @access public
*/
var $data = array();
/**
* Holds pagination defaults for controller actions. The keys that can be included
* in this array are: 'conditions', 'fields', 'order', 'limit', 'page', and 'recursive',
* similar to the parameters of Model->findAll().
*
* Pagination defaults can also be supplied in a model-by-model basis by using
* the name of the model as a key for a pagination array:
*
* var $paginate = array(
* 'Post' => array(...),
* 'Comment' => array(...)
* );
*
* See the manual chapter on Pagination for more information.
*
* @var array
* @access public
*/
var $paginate = array('limit' => 20, 'page' => 1);
/**
* The name of the views subfolder containing views for this controller.
*
* @var string
* @access public
*/
var $viewPath = null;
/**
* Sub-path for layout files.
*
* @var string
* @access public
*/
var $layoutPath = null;
/**
* Contains variables to be handed to the view.
*
* @var array
* @access public
*/
var $viewVars = array();
/**
* Text to be used for the $title_for_layout layout variable (usually
* placed inside <title> tags.)
*
* @var boolean
* @access public
*/
var $pageTitle = false;
/**
* An array containing the class names of the models this controller uses.
*
* @var array Array of model objects.
* @access public
*/
var $modelNames = array();
/**
* Base URL path.
*
* @var string
* @access public
*/
var $base = null;
/**
* The name of the layout file to render views inside of. The name specified
* is the filename of the layout in /app/views/layouts without the .ctp
* extension.
*
* @var string
* @access public
*/
var $layout = 'default';
/**
* Set to true to automatically render the view
* after action logic.
*
* @var boolean
* @access public
*/
var $autoRender = true;
/**
* Set to true to automatically render the layout around views.
*
* @var boolean
* @access public
*/
var $autoLayout = true;
/**
* Array containing the names of components this controller uses. Component names
* should not contain the -Component portion of the classname.
*
* Example: var $components = array('Session', 'RequestHandler', 'Acl');
*
* @var array
* @access public
*/
var $components = array();
/**
* The name of the View class this controller sends output to.
*
* @var string
* @access public
*/
var $view = 'View';
/**
* File extension for view templates. Defaults to Cake's conventional ".ctp".
*
* @var string
* @access public
*/
var $ext = '.ctp';
/**
* Instance of $view class create by a controller
*
* @var object
* @access private
*/
var $__viewClass = null;
/**
* The output of the requested action. Contains either a variable
* returned from the action, or the data of the rendered view;
* You can use this var in Child controllers' afterFilter() to alter output.
*
* @var string
* @access public
*/
var $output = null;
/**
* Automatically set to the name of a plugin.
*
* @var string
* @access public
*/
var $plugin = null;
/**
* Used to define methods a controller that will be cached. To cache a
* single action, the value is set to an array containing keys that match
* action names and values that denote cache expiration times (in seconds).
*
* Example: var $cacheAction = array(
* 'view/23/' => 21600,
* 'recalled/' => 86400
* );
*
* $cacheAction can also be set to a strtotime() compatible string. This
* marks all the actions in the controller for view caching.
*
* @var mixed
* @access public
*/
var $cacheAction = false;
/**
* Used to create cached instances of models a controller uses.
* When set to true, all models related to the controller will be cached.
* This can increase performance in many cases.
*
* @var boolean
* @access public
*/
var $persistModel = false;
/**
* Holds all params passed and named.
*
* @var mixed
* @access public
*/
var $passedArgs = array();
/**
* Constructor.
*
*/
function __construct() {
if ($this->name === null) {
$r = null;
if (!preg_match('/(.*)Controller/i', get_class($this), $r)) {
die (__("Controller::__construct() : Can not get or parse my own class name, exiting."));
}
$this->name = $r[1];
}
if ($this->viewPath == null) {
$this->viewPath = Inflector::underscore($this->name);
}
$this->modelClass = Inflector::classify($this->name);
$this->modelKey = Inflector::underscore($this->modelClass);
parent::__construct();
}
/**
* Starts the components linked to this controller.
*
* @access protected
* @see Component::init()
*/
function _initComponents() {
$component = new Component();
$component->init($this);
}
/**
* Merge components, helpers, and uses vars from AppController and PluginAppController
*
* @access protected
*/
function __mergeVars() {
$pluginName = Inflector::camelize($this->plugin);
$pluginController = $pluginName . 'AppController';
if (is_subclass_of($this, 'AppController') || is_subclass_of($this, $pluginController)) {
$appVars = get_class_vars('AppController');
$uses = $appVars['uses'];
$merge = array('components', 'helpers');
$plugin = null;
if (!empty($this->plugin)) {
$plugin = $pluginName . '.';
if (!is_subclass_of($this, $pluginController)) {
$pluginController = null;
}
} else {
$pluginController = null;
}
if ($uses == $this->uses && !empty($this->uses)) {
if (!in_array($plugin . $this->modelClass, $this->uses)) {
array_unshift($this->uses, $plugin . $this->modelClass);
} elseif ($this->uses[0] !== $plugin . $this->modelClass) {
$this->uses = array_flip($this->uses);
unset($this->uses[$plugin . $this->modelClass]);
$this->uses = array_flip($this->uses);
array_unshift($this->uses, $plugin . $this->modelClass);
}
} elseif ($this->uses !== null || $this->uses !== false) {
$merge[] = 'uses';
}
foreach ($merge as $var) {
if (isset($appVars[$var]) && !empty($appVars[$var]) && is_array($this->{$var})) {
$this->{$var} = Set::merge($this->{$var}, array_diff($appVars[$var], $this->{$var}));
}
}
}
if ($pluginController) {
$appVars = get_class_vars($pluginController);
$uses = $appVars['uses'];
$merge = array('components', 'helpers');
if ($this->uses !== null || $this->uses !== false) {
$merge[] = 'uses';
}
foreach ($merge as $var) {
if (isset($appVars[$var]) && !empty($appVars[$var]) && is_array($this->{$var})) {
$this->{$var} = Set::merge($this->{$var}, array_diff($appVars[$var], $this->{$var}));
}
}
}
}
/**
* Loads Model classes based on the the uses property
* see Controller::loadModel(); for more info
*
* @return mixed true if models found and instance created, or cakeError if models not found.
* @access public
* @see Controller::loadModel()
*/
function constructClasses() {
$this->__mergeVars();
$this->_initComponents();
if ($this->uses === null || ($this->uses === array())) {
return false;
}
if (empty($this->passedArgs) || !isset($this->passedArgs['0'])) {
$id = false;
} else {
$id = $this->passedArgs['0'];
}
if ($this->uses === false) {
$this->loadModel($this->modelClass, $id);
} elseif ($this->uses) {
$uses = is_array($this->uses) ? $this->uses : array($this->uses);
$this->modelClass = $uses[0];
foreach ($uses as $modelClass) {
$this->loadModel($modelClass);
}
}
return true;
}
/**
* Loads and instantiates models required by this controller.
* If Controller::persistModel; is true, controller will create cached model instances on first request,
* additional request will used cached models
*
* @param string $modelClass Name of model class to load
* @param mixed $id Initial ID the instanced model class should have
* @return mixed true when single model found and instance created error returned if models not found.
* @access public
*/
function loadModel($modelClass = null, $id = null) {
if ($modelClass === null) {
$modelClass = $this->modelClass;
}
$cached = false;
$object = null;
$plugin = null;
if ($this->uses === false) {
if ($this->plugin) {
$plugin = $this->plugin . '.';
}
}
if (strpos($modelClass, '.') !== false) {
list($plugin, $modelClass) = explode('.', $modelClass);
$plugin = $plugin . '.';
}
if ($this->persistModel === true) {
$cached = $this->_persist($modelClass, null, $object);
}
if (($cached === false)) {
$this->modelNames[] = $modelClass;
if (!PHP5) {
$this->{$modelClass} =& ClassRegistry::init(array('class' => $plugin . $modelClass, 'alias' => $modelClass, 'id' => $id));
} else {
$this->{$modelClass} = ClassRegistry::init(array('class' => $plugin . $modelClass, 'alias' => $modelClass, 'id' => $id));
}
if (!$this->{$modelClass}) {
return $this->cakeError('missingModel', array(array('className' => $modelClass, 'webroot' => '', 'base' => $this->base)));
}
if ($this->persistModel === true) {
$this->_persist($modelClass, true, $model);
$registry = ClassRegistry::getInstance();
$this->_persist($modelClass . 'registry', true, $registry->__objects, 'registry');
}
} else {
$this->_persist($modelClass . 'registry', true, $object, 'registry');
$this->_persist($modelClass, true, $object);
$this->modelNames[] = $modelClass;
}
}
/**
* Redirects to given $url, after turning off $this->autoRender.
* Please notice that the script execution is not stopped after the redirect.
*
* @param mixed $url A string or array-based URL pointing to another location
* within the app, or an absolute URL
* @param integer $status Optional HTTP status code (eg: 404)
* @param boolean $exit If true, exit() will be called after the redirect
* @access public
*/
function redirect($url, $status = null, $exit = true) {
$this->autoRender = false;
if (is_array($status)) {
extract($status, EXTR_OVERWRITE);
}
foreach ($this->components as $c) {
$path = preg_split('/\/|\./', $c);
$c = $path[count($path) - 1];
if (isset($this->{$c}) && is_object($this->{$c}) && is_callable(array($this->{$c}, 'beforeRedirect'))) {
if (!array_key_exists('enabled', get_object_vars($this->{$c})) || $this->{$c}->enabled == true) {
$resp = $this->{$c}->beforeRedirect($this, $url, $status, $exit);
if ($resp === false) {
return;
} elseif (is_array($resp) && isset($resp['url'])) {
extract($resp, EXTR_OVERWRITE);
} elseif ($resp !== null) {
$url = $resp;
}
}
}
}
if (function_exists('session_write_close')) {
session_write_close();
}
if (!empty($status)) {
$codes = array(
100 => "Continue",
101 => "Switching Protocols",
200 => "OK",
201 => "Created",
202 => "Accepted",
203 => "Non-Authoritative Information",
204 => "No Content",
205 => "Reset Content",
206 => "Partial Content",
300 => "Multiple Choices",
301 => "Moved Permanently",
302 => "Found",
303 => "See Other",
304 => "Not Modified",
305 => "Use Proxy",
307 => "Temporary Redirect",
400 => "Bad Request",
401 => "Unauthorized",
402 => "Payment Required",
403 => "Forbidden",
404 => "Not Found",
405 => "Method Not Allowed",
406 => "Not Acceptable",
407 => "Proxy Authentication Required",
408 => "Request Time-out",
409 => "Conflict",
410 => "Gone",
411 => "Length Required",
412 => "Precondition Failed",
413 => "Request Entity Too Large",
414 => "Request-URI Too Large",
415 => "Unsupported Media Type",
416 => "Requested range not satisfiable",
417 => "Expectation Failed",
500 => "Internal Server Error",
501 => "Not Implemented",
502 => "Bad Gateway",
503 => "Service Unavailable",
504 => "Gateway Time-out"
);
if (is_string($status)) {
$codes = array_combine(array_values($codes), array_keys($codes));
}
if (isset($codes[$status])) {
$code = ife(is_numeric($status), $status, $codes[$status]);
$msg = ife(is_string($status), $status, $codes[$status]);
$status = "HTTP/1.1 {$code} {$msg}";
} else {
$status = null;
}
}
if (!empty($status)) {
header($status);
}
if ($url !== null) {
header('Location: ' . Router::url($url, true));
}
if (!empty($status) && ($status >= 300 && $status < 400)) {
header($status);
}
if ($exit) {
exit();
}
}
/**
* Saves a variable to use inside a template.
*
* @param mixed $one A string or an array of data.
* @param mixed $two Value in case $one is a string (which then works as the key).
* Unused if $one is an associative array, otherwise serves as the values to $one's keys.
* @access public
*/
function set($one, $two = null) {
$data = array();
if (is_array($one)) {
if (is_array($two)) {
$data = array_combine($one, $two);
} else {
$data = $one;
}
} else {
$data = array($one => $two);
}
foreach ($data as $name => $value) {
if ($name == 'title') {
$this->pageTitle = $value;
} else {
if ($two === null && is_array($one)) {
$this->viewVars[Inflector::variable($name)] = $value;
} else {
$this->viewVars[$name] = $value;
}
}
}
}
/**
* Internally redirects one action to another. Examples:
*
* setAction('another_action');
* setAction('action_with_parameters', $parameter1);
*
* @param string $action The new action to be redirected to
* @param mixed Any other parameters passed to this method will be passed as
* parameters to the new action.
* @return mixed Returns the return value of the called action
* @access public
*/
function setAction($action) {
$this->action = $action;
$args = func_get_args();
unset($args[0]);
return call_user_func_array(array(&$this, $action), $args);
}
/**
* Controller callback to tie into Auth component.
*
* @return bool true if authorized, false otherwise
* @access public
*/
function isAuthorized() {
trigger_error(sprintf(__('%s::isAuthorized() is not defined.', true), $this->name), E_USER_WARNING);
return false;
}
/**
* Returns number of errors in a submitted FORM.
*
* @return integer Number of errors
* @access public
*/
function validate() {
$args = func_get_args();
$errors = call_user_func_array(array(&$this, 'validateErrors'), $args);
if ($errors === false) {
return 0;
}
return count($errors);
}
/**
* Validates models passed by parameters. Example:
*
* $errors = $this->validateErrors($this->Article, $this->User);
*
* @param mixed A list of models as a variable argument
* @return array Validation errors, or false if none
* @access public
*/
function validateErrors() {
$objects = func_get_args();
if (!count($objects)) {
return false;
}
$errors = array();
foreach ($objects as $object) {
$this->{$object->alias}->set($object->data);
$errors = array_merge($errors, $this->{$object->alias}->invalidFields());
}
return $this->validationErrors = (count($errors) ? $errors : false);
}
/**
* Gets an instance of the view object & prepares it for rendering the output, then
* asks the view to actualy do the job.
*
* @param string $action Action name to render
* @param string $layout Layout to use
* @param string $file File to use for rendering
* @return boolean Success
* @access public
*/
function render($action = null, $layout = null, $file = null) {
$this->beforeRender();
$viewClass = $this->view;
if ($this->view != 'View') {
if (strpos($viewClass, '.') !== false) {
list($plugin, $viewClass) = explode('.', $viewClass);
}
$viewClass = $viewClass . 'View';
App::import('View', $this->view);
}
foreach ($this->components as $c) {
$path = preg_split('/\/|\./', $c);
$c = $path[count($path) - 1];
if (isset($this->{$c}) && is_object($this->{$c}) && is_callable(array($this->{$c}, 'beforeRender'))) {
if (!array_key_exists('enabled', get_object_vars($this->{$c})) || $this->{$c}->enabled == true) {
$this->{$c}->beforeRender($this);
}
}
}
$this->params['models'] = $this->modelNames;
if (Configure::read() > 2) {
$this->set('cakeDebug', $this);
}
$this->__viewClass =& new $viewClass($this);
if (!empty($this->modelNames)) {
$models = array();
foreach ($this->modelNames as $currentModel) {
if (isset($this->$currentModel) && is_a($this->$currentModel, 'Model')) {
$models[] = Inflector::underscore($currentModel);
}
if (isset($this->$currentModel) && is_a($this->$currentModel, 'Model') && !empty($this->$currentModel->validationErrors)) {
$this->__viewClass->validationErrors[Inflector::camelize($currentModel)] =& $this->$currentModel->validationErrors;
}
}
$models = array_diff(ClassRegistry::keys(), $models);
foreach ($models as $currentModel) {
if (ClassRegistry::isKeySet($currentModel)) {
$currentObject =& ClassRegistry::getObject($currentModel);
if (is_a($currentObject, 'Model') && !empty($currentObject->validationErrors)) {
$this->__viewClass->validationErrors[Inflector::camelize($currentModel)] =& $currentObject->validationErrors;
}
}
}
}
$this->autoRender = false;
$this->output .= $this->__viewClass->render($action, $layout, $file);
return $this->output;
}
/**
* Gets the referring URL of this request
*
* @param string $default Default URL to use if HTTP_REFERER cannot be read from headers
* @param boolean $local If true, restrict referring URLs to local server
* @return string Referring URL
* @access public
*/
function referer($default = null, $local = false) {
$ref = env('HTTP_REFERER');
if (!empty($ref) && defined('FULL_BASE_URL')) {
$base = FULL_BASE_URL . $this->webroot;
if (strpos($ref, $base) === 0) {
return substr($ref, strlen($base) - 1);
} elseif (!$local) {
return $ref;
}
}
if ($default != null) {
return $default;
} else {
return '/';
}
}
/**
* Tells the browser not to cache the results of the current request by sending headers
*
* @access public
*/
function disableCache() {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* Shows a message to the user $time seconds, then redirects to $url
* Uses flash.thtml as a layout for the messages
*
* @param string $message Message to display to the user
* @param string $url Relative URL to redirect to after the time expires
* @param integer $time Time to show the message
* @access public
*/
function flash($message, $url, $pause = 1) {
$this->autoRender = false;
$this->set('url', Router::url($url));
$this->set('message', $message);
$this->set('pause', $pause);
$this->set('page_title', $message);
$this->render(false, 'flash');
}
/**
* Converts POST'ed model data to a model conditions array, suitable for a find
* or findAll Model query
*
* @param array $data POST'ed data organized by model and field
* @param mixed $op A string containing an SQL comparison operator, or an array matching operators to fields
* @param string $bool SQL boolean operator: AND, OR, XOR, etc.
* @param boolean $exclusive If true, and $op is an array, fields not included in $op will not be included in the returned conditions
* @return array An array of model conditions
* @access public
*/
function postConditions($data = array(), $op = null, $bool = 'AND', $exclusive = false) {
if (!is_array($data) || empty($data)) {
if (!empty($this->data)) {
$data = $this->data;
} else {
return null;
}
}
$cond = array();
if ($op === null) {
$op = '';
}
foreach ($data as $model => $fields) {
foreach ($fields as $field => $value) {
$key = $model . '.' . $field;
if (is_string($op)) {
$cond[$key] = $this->__postConditionMatch($op, $value);
} elseif (is_array($op)) {
$opFields = array_keys($op);
if (in_array($key, $opFields) || in_array($field, $opFields)) {
if (in_array($key, $opFields)) {
$cond[$key] = $this->__postConditionMatch($op[$key], $value);
} else {
$cond[$key] = $this->__postConditionMatch($op[$field], $value);
}
} elseif (!$exclusive) {
$cond[$key] = $this->__postConditionMatch(null, $value);
}
}
}
}
if ($bool != null && strtoupper($bool) != 'AND') {
$cond = array($bool => $cond);
}
return $cond;
}
/**
* Builds a matching condition using the specified operator and value, used by postConditions
*
* @param mixed $op A string containing an SQL comparison operator, or an array matching operators to fields
* @param string $value Value to check against
* @access private
*/
function __postConditionMatch($op, $value) {
if (is_string($op)) {
$op = strtoupper(trim($op));
}
switch($op) {
case '':
case '=':
case null:
return $value;
break;
case 'LIKE':
return 'LIKE %' . $value . '%';
break;
default:
return $op . ' ' . $value;
break;
}
}
/**
* Deprecated, see Model::deconstruct();
*
* @see Model::deconstruct()
* @deprecated as of 1.2.0.5970
*/
function cleanUpFields($modelClass = null) {
trigger_error(__('Controller::cleanUpFields() - Deprecated: this functionality has been moved to Model and is handled automatically', true), E_USER_WARNING);
}
/**
* Handles automatic pagination of model records.
*
* @param mixed $object Model to paginate (e.g: model instance, or 'Model', or 'Model.InnerModel')
* @param mixed $scope Conditions to use while paginating
* @param array $whitelist List of allowed options for paging
* @return array Model query results
* @access public
*/
function paginate($object = null, $scope = array(), $whitelist = array()) {
if (is_array($object)) {
$whitelist = $scope;
$scope = $object;
$object = null;
}
$assoc = null;
if (is_string($object)) {
$assoc = null;
if (strpos($object, '.') !== false) {
list($object, $assoc) = explode('.', $object);
}
if ($assoc && isset($this->{$object}->{$assoc})) {
$object = $this->{$object}->{$assoc};
} elseif ($assoc && isset($this->{$this->modelClass}) && isset($this->{$this->modelClass}->{$assoc})) {
$object = $this->{$this->modelClass}->{$assoc};
} elseif (isset($this->{$object})) {
$object = $this->{$object};
} elseif (isset($this->{$this->modelClass}) && isset($this->{$this->modelClass}->{$object})) {
$object = $this->{$this->modelClass}->{$object};
}
} elseif (empty($object) || $object == null) {
if (isset($this->{$this->modelClass})) {
$object = $this->{$this->modelClass};
} else {
$className = null;
$name = $this->uses[0];
if (strpos($this->uses[0], '.') !== false) {
list($name, $className) = explode('.', $this->uses[0]);
}
if ($className) {
$object = $this->{$className};
} else {
$object = $this->{$name};
}
}
}
if (!is_object($object)) {
trigger_error(sprintf(__('Controller::paginate() - can\'t find model %1$s in controller %2$sController', true), $object, $this->name), E_USER_WARNING);
return array();
}
$options = array_merge($this->params, $this->params['url'], $this->passedArgs);
if (isset($this->paginate[$object->alias])) {
$defaults = $this->paginate[$object->alias];
} else {
$defaults = $this->paginate;
}
if (isset($options['show'])) {
$options['limit'] = $options['show'];
}
if (isset($options['sort']) && isset($options['direction'])) {
$options['order'] = array($options['sort'] => $options['direction']);
} elseif (isset($options['sort'])) {
$options['order'] = array($options['sort'] => 'asc');
}
if (!empty($options['order']) && is_array($options['order'])) {
$key = key($options['order']);
if (strpos($key, '.') === false && $object->hasField($key)) {
$options['order'][$object->alias . '.' . $key] = $options['order'][$key];
unset($options['order'][$key]);
}
}
$vars = array('fields', 'order', 'limit', 'page', 'recursive');
$keys = array_keys($options);
$count = count($keys);
for ($i = 0; $i < $count; $i++) {
if (!in_array($keys[$i], $vars)) {
unset($options[$keys[$i]]);
}
if (empty($whitelist) && ($keys[$i] == 'fields' || $keys[$i] == 'recursive')) {
unset($options[$keys[$i]]);
} elseif (!empty($whitelist) && !in_array($keys[$i], $whitelist)) {
unset($options[$keys[$i]]);
}
}
$conditions = $fields = $order = $limit = $page = $recursive = null;
if (!isset($defaults['conditions'])) {
$defaults['conditions'] = array();
}
extract($options = array_merge(array('page' => 1, 'limit' => 20), $defaults, $options));
if (is_array($scope) && !empty($scope)) {
$conditions = array_merge($conditions, $scope);
} elseif (is_string($scope)) {
$conditions = array($conditions, $scope);
}
$recursive = $object->recursive;
if (method_exists($object, 'paginateCount')) {
$count = $object->paginateCount($conditions, $recursive);
} else {
$count = $object->findCount($conditions, $recursive);
}
$pageCount = intval(ceil($count / $limit));
if ($page == 'last' || $page >= $pageCount) {
$options['page'] = $page = $pageCount;
} elseif (intval($page) < 1) {
$options['page'] = $page = 1;
}
if (method_exists($object, 'paginate')) {
$results = $object->paginate($conditions, $fields, $order, $limit, $page, $recursive);
} else {
$results = $object->findAll($conditions, $fields, $order, $limit, $page, $recursive);
}
$paging = array(
'page' => $page,
'current' => count($results),
'count' => $count,
'prevPage' => ($page > 1),
'nextPage' => ($count > ($page * $limit)),
'pageCount' => $pageCount,
'defaults' => array_merge(array('limit' => 20, 'step' => 1), $defaults),
'options' => $options
);
$this->params['paging'][$object->alias] = $paging;
if (!in_array('Paginator', $this->helpers) && !array_key_exists('Paginator', $this->helpers)) {
$this->helpers[] = 'Paginator';
}
return $results;
}
/**
* Called before the controller action. Overridden in subclasses.
*
* @access public
*/
function beforeFilter() {
}
/**
* Called after the controller action is run, but before the view is rendered. Overridden in subclasses.
*
* @access public
*/
function beforeRender() {
}
/**
* Called after the controller action is run and rendered. Overridden in subclasses.
*
* @access public
*/
function afterFilter() {
}
/**
* This method should be overridden in child classes.
*
* @param string $method name of method called example index, edit, etc.
* @return boolean Success
* @access protected
*/
function _beforeScaffold($method) {
return true;
}
/**
* This method should be overridden in child classes.
*
* @param string $method name of method called either edit or update.
* @return boolean Success
* @access protected
*/
function _afterScaffoldSave($method) {
return true;
}
/**
* This method should be overridden in child classes.
*
* @param string $method name of method called either edit or update.
* @return boolean Success
* @access protected
*/
function _afterScaffoldSaveError($method) {
return true;
}
/**
* This method should be overridden in child classes.
* If not it will render a scaffold error.
* Method MUST return true in child classes
*
* @param string $method name of method called example index, edit, etc.
* @return boolean Success
* @access protected
*/
function _scaffoldError($method) {
return false;
}
}
?>
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