615 lines
16 KiB
PHP
615 lines
16 KiB
PHP
<?php
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/**
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* Scaffold.
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*
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* Automatic forms and actions generation for rapid web application development.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.controller
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* @since Cake v 0.10.0.1076
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Scaffolding is a set of automatic actions for starting web development work faster.
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*
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* Scaffold inspects your database tables, and making educated guesses, sets up a
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* number of pages for each of your Models. These pages have data forms that work,
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* and afford the web developer an early look at the data, and the possibility to over-ride
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* scaffolded actions with custom-made ones.
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*
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* @package cake
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* @subpackage cake.cake.libs.controller
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*/
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class Scaffold extends Object {
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/**
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* Controller object
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*
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* @var Controller
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* @access public
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*/
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var $controller = null;
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/**
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* Name of the controller to scaffold
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*
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* @var string
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* @access public
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*/
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var $name = null;
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/**
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* Action to be performed.
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*
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* @var string
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* @access public
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*/
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var $action = null;
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/**
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* Name of current model this view context is attached to
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*
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* @var string
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* @access public
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*/
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var $model = null;
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/**
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* Path to View.
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*
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* @var string
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* @access public
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*/
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var $viewPath;
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/**
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* Path parts for creating links in views.
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*
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* @var string Base URL
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* @access public
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*/
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var $base = null;
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/**
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* Name of layout to use with this View.
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*
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* @var string
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* @access public
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*/
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var $layout = 'default';
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/**
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* Array of parameter data
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*
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* @var array
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* @access public
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*/
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var $params;
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/**
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* File extension. Defaults to Cake's template ".ctp".
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*
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* @var array
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* @access public
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*/
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var $ext = '.ctp';
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/**
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* Sub-directory for this view file.
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*
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* @var string
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* @access public
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*/
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var $subDir = null;
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/**
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* Plugin name.
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*
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* @var string
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* @access public
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*/
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var $plugin = null;
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/**
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* valid session.
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*
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* @var boolean
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* @access public
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*/
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var $_validSession = null;
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/**
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* List of variables to collect from the associated controller
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*
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* @var array
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* @access private
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*/
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var $__passedVars = array(
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'action', 'base', 'webroot', 'layout', 'name',
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'viewPath', 'ext', 'params', 'data', 'plugin', 'cacheAction'
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);
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/**
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* Title HTML element for current scaffolded view
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*
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* @var string
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* @access public
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*/
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var $scaffoldTitle = null;
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/**
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* Construct and set up given controller with given parameters.
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*
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* @param string $controller_class Name of controller
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* @param array $params Parameters for scaffolding
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*/
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function __construct(&$controller, $params) {
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$this->controller =& $controller;
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$count = count($this->__passedVars);
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for ($j = 0; $j < $count; $j++) {
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$var = $this->__passedVars[$j];
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$this->{$var} = $controller->{$var};
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}
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$this->redirect = array('action' => 'index');
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$this->modelClass = $controller->modelClass;
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$this->modelKey = $controller->modelKey;
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if (!is_object($this->controller->{$this->modelClass})) {
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return $this->cakeError('missingModel', array(array(
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'className' => $this->modelClass, 'webroot' => '', 'base' => $controller->base
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)));
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}
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$this->ScaffoldModel =& $this->controller->{$this->modelClass};
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$this->scaffoldTitle = Inflector::humanize($this->viewPath);
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$this->scaffoldActions = $controller->scaffold;
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$title_for_layout = __('Scaffold :: ', true) . Inflector::humanize($this->action) . ' :: ' . $this->scaffoldTitle;
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$modelClass = $this->controller->modelClass;
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$primaryKey = $this->ScaffoldModel->primaryKey;
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$displayField = $this->ScaffoldModel->displayField;
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$singularVar = Inflector::variable($modelClass);
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$pluralVar = Inflector::variable($this->controller->name);
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$singularHumanName = Inflector::humanize(Inflector::underscore($modelClass));
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$pluralHumanName = Inflector::humanize(Inflector::underscore($this->controller->name));
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$scaffoldFields = array_keys($this->ScaffoldModel->schema());
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$associations = $this->__associations();
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$this->controller->set(compact(
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'title_for_layout', 'modelClass', 'primaryKey', 'displayField', 'singularVar', 'pluralVar',
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'singularHumanName', 'pluralHumanName', 'scaffoldFields', 'associations'
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));
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if ($this->controller->view) {
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$this->controller->view = 'Scaffold';
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}
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$this->_validSession = (
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isset($this->controller->Session) && $this->controller->Session->valid() != false
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);
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$this->__scaffold($params);
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}
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/**
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* Outputs the content of a scaffold method passing it through the Controller::afterFilter()
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*
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* @return void
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* @access protected
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*/
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function _output() {
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$this->controller->afterFilter();
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echo($this->controller->output);
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}
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/**
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* Renders a view action of scaffolded model.
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*
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* @param array $params Parameters for scaffolding
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* @return mixed A rendered view of a row from Models database table
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* @access private
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*/
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function __scaffoldView($params) {
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if ($this->controller->_beforeScaffold('view')) {
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$message = sprintf(__("No id set for %s::view()", true), Inflector::humanize($this->modelKey));
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if (isset($params['pass'][0])) {
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$this->ScaffoldModel->id = $params['pass'][0];
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} elseif ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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return $this->controller->flash($message, '/' . Inflector::underscore($this->controller->viewPath));
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}
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$this->ScaffoldModel->recursive = 1;
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$this->controller->data = $this->ScaffoldModel->read();
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$this->controller->set(
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Inflector::variable($this->controller->modelClass), $this->controller->data
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);
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$this->controller->render($this->action, $this->layout);
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$this->_output();
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} elseif ($this->controller->_scaffoldError('view') === false) {
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return $this->__scaffoldError();
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}
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}
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/**
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* Renders index action of scaffolded model.
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*
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* @param array $params Parameters for scaffolding
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* @return mixed A rendered view listing rows from Models database table
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* @access private
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*/
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function __scaffoldIndex($params) {
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if ($this->controller->_beforeScaffold('index')) {
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$this->ScaffoldModel->recursive = 0;
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$this->controller->set(
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Inflector::variable($this->controller->name), $this->controller->paginate()
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);
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$this->controller->render($this->action, $this->layout);
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$this->_output();
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} elseif ($this->controller->_scaffoldError('index') === false) {
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return $this->__scaffoldError();
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}
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}
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/**
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* Renders an add or edit action for scaffolded model.
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*
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* @param string $action Action (add or edit)
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* @return mixed A rendered view with a form to edit or add a record in the Models database table
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* @access private
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*/
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function __scaffoldForm($action = 'edit') {
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$this->controller->viewVars['scaffoldFields'] = array_merge(
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$this->controller->viewVars['scaffoldFields'],
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array_keys($this->ScaffoldModel->hasAndBelongsToMany)
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);
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$this->controller->render($action, $this->layout);
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$this->_output();
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}
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/**
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* Saves or updates the scaffolded model.
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*
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* @param array $params Parameters for scaffolding
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* @param string $action add or edt
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* @return mixed Success on save/update, add/edit form if data is empty or error if save or update fails
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* @access private
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*/
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function __scaffoldSave($params = array(), $action = 'edit') {
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$formAction = 'edit';
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$success = __('updated', true);
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if ($action === 'add') {
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$formAction = 'add';
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$success = __('saved', true);
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}
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if ($this->controller->_beforeScaffold($action)) {
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if ($action == 'edit') {
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if (isset($params['pass'][0])) {
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$this->ScaffoldModel->id = $params['pass'][0];
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}
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if (!$this->ScaffoldModel->exists()) {
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$message = sprintf(__("Invalid id for %s::edit()", true), Inflector::humanize($this->modelKey));
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if ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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$this->controller->flash($message, $this->redirect);
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$this->_output();
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}
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}
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}
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if (!empty($this->controller->data)) {
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if ($action == 'create') {
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$this->ScaffoldModel->create();
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}
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if ($this->ScaffoldModel->save($this->controller->data)) {
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if ($this->controller->_afterScaffoldSave($action)) {
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$message = sprintf(
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__('The %1$s has been %2$s', true),
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Inflector::humanize($this->modelKey),
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$success
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);
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if ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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$this->controller->flash($message, $this->redirect);
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return $this->_output();
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}
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} else {
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return $this->controller->_afterScaffoldSaveError($action);
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}
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} else {
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if ($this->_validSession) {
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$this->controller->Session->setFlash(__('Please correct errors below.', true));
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}
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}
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}
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if (empty($this->controller->data)) {
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if ($this->ScaffoldModel->id) {
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$this->controller->data = $this->ScaffoldModel->read();
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} else {
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$this->controller->data = $this->ScaffoldModel->create();
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}
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}
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foreach ($this->ScaffoldModel->belongsTo as $assocName => $assocData) {
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$varName = Inflector::variable(Inflector::pluralize(
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preg_replace('/(?:_id)$/', '', $assocData['foreignKey'])
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));
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$this->controller->set($varName, $this->ScaffoldModel->{$assocName}->find('list'));
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}
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foreach ($this->ScaffoldModel->hasAndBelongsToMany as $assocName => $assocData) {
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$varName = Inflector::variable(Inflector::pluralize($assocName));
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$this->controller->set($varName, $this->ScaffoldModel->{$assocName}->find('list'));
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}
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return $this->__scaffoldForm($formAction);
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} elseif ($this->controller->_scaffoldError($action) === false) {
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return $this->__scaffoldError();
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}
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}
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/**
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* Performs a delete on given scaffolded Model.
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*
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* @param array $params Parameters for scaffolding
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* @return mixed Success on delete, error if delete fails
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* @access private
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*/
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function __scaffoldDelete($params = array()) {
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if ($this->controller->_beforeScaffold('delete')) {
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$message = sprintf(
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__("No id set for %s::delete()", true),
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Inflector::humanize($this->modelKey)
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);
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if (isset($params['pass'][0])) {
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$id = $params['pass'][0];
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} elseif ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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$this->controller->flash($message, $this->redirect);
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return $this->_output();
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}
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if ($this->ScaffoldModel->delete($id)) {
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$message = sprintf(
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__('The %1$s with id: %2$d has been deleted.', true),
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Inflector::humanize($this->modelClass), $id
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);
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if ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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$this->controller->flash($message, $this->redirect);
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return $this->_output();
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}
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} else {
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$message = sprintf(
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__('There was an error deleting the %1$s with id: %2$d', true),
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Inflector::humanize($this->modelClass), $id
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);
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if ($this->_validSession) {
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$this->controller->Session->setFlash($message);
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$this->controller->redirect($this->redirect);
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} else {
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$this->controller->flash($message, $this->redirect);
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return $this->_output();
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}
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}
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} elseif ($this->controller->_scaffoldError('delete') === false) {
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return $this->__scaffoldError();
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}
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}
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/**
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* Show a scaffold error
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*
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* @return mixed A rendered view showing the error
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* @access private
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*/
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function __scaffoldError() {
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return $this->controller->render('error', $this->layout);
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$this->_output();
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}
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/**
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* When methods are now present in a controller
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* scaffoldView is used to call default Scaffold methods if:
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* `var $scaffold;` is placed in the controller's class definition.
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*
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* @param array $params Parameters for scaffolding
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* @return mixed A rendered view of scaffold action, or showing the error
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* @access private
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*/
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function __scaffold($params) {
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$db = &ConnectionManager::getDataSource($this->ScaffoldModel->useDbConfig);
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$prefixes = Configure::read('Routing.prefixes');
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$scaffoldPrefix = $this->scaffoldActions;
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if (isset($db)) {
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if (empty($this->scaffoldActions)) {
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$this->scaffoldActions = array(
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'index', 'list', 'view', 'add', 'create', 'edit', 'update', 'delete'
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);
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} elseif (!empty($prefixes) && in_array($scaffoldPrefix, $prefixes)) {
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$this->scaffoldActions = array(
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$scaffoldPrefix . '_index',
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$scaffoldPrefix . '_list',
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$scaffoldPrefix . '_view',
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$scaffoldPrefix . '_add',
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$scaffoldPrefix . '_create',
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$scaffoldPrefix . '_edit',
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$scaffoldPrefix . '_update',
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$scaffoldPrefix . '_delete'
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);
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}
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if (in_array($params['action'], $this->scaffoldActions)) {
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if (!empty($prefixes)) {
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$params['action'] = str_replace($scaffoldPrefix . '_', '', $params['action']);
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}
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switch ($params['action']) {
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case 'index':
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case 'list':
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$this->__scaffoldIndex($params);
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break;
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case 'view':
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$this->__scaffoldView($params);
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break;
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case 'add':
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case 'create':
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$this->__scaffoldSave($params, 'add');
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break;
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case 'edit':
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case 'update':
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$this->__scaffoldSave($params, 'edit');
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break;
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case 'delete':
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$this->__scaffoldDelete($params);
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break;
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}
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} else {
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return $this->cakeError('missingAction', array(array(
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'className' => $this->controller->name . "Controller",
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'base' => $this->controller->base,
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'action' => $this->action,
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'webroot' => $this->controller->webroot
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)));
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}
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} else {
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return $this->cakeError('missingDatabase', array(array(
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'webroot' => $this->controller->webroot
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)));
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}
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}
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/**
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* Returns associations for controllers models.
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*
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* @return array Associations for model
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* @access private
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*/
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function __associations() {
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$keys = array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany');
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$associations = array();
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foreach ($keys as $key => $type) {
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foreach ($this->ScaffoldModel->{$type} as $assocKey => $assocData) {
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$associations[$type][$assocKey]['primaryKey'] =
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$this->ScaffoldModel->{$assocKey}->primaryKey;
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$associations[$type][$assocKey]['displayField'] =
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$this->ScaffoldModel->{$assocKey}->displayField;
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$associations[$type][$assocKey]['foreignKey'] =
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$assocData['foreignKey'];
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$associations[$type][$assocKey]['controller'] =
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Inflector::pluralize(Inflector::underscore($assocData['className']));
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if ($type == 'hasAndBelongsToMany') {
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$associations[$type][$assocKey]['with'] = $assocData['with'];
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}
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}
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}
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return $associations;
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}
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}
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/**
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* Scaffold View.
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*
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* @package cake
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* @subpackage cake.cake.libs.controller
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*/
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if (!class_exists('ThemeView')) {
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App::import('View', 'Theme');
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}
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/**
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* ScaffoldView provides specific view file loading features for scaffolded views.
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*
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* @package cake.libs.view
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*/
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class ScaffoldView extends ThemeView {
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/**
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* Override _getViewFileName Appends special scaffolding views in.
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*
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* @param string $name name of the view file to get.
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* @return string action
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* @access protected
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*/
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function _getViewFileName($name = null) {
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if ($name === null) {
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$name = $this->action;
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}
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$name = Inflector::underscore($name);
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$prefixes = Configure::read('Routing.prefixes');
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if (!empty($prefixes)) {
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foreach ($prefixes as $prefix) {
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if (strpos($name, $prefix . '_') !== false) {
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$name = substr($name, strlen($prefix) + 1);
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break;
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}
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}
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}
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if ($name === 'add') {
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$name = 'edit';
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}
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$scaffoldAction = 'scaffold.' . $name;
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if (!is_null($this->subDir)) {
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$subDir = strtolower($this->subDir) . DS;
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} else {
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$subDir = null;
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}
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$names[] = $this->viewPath . DS . $subDir . $scaffoldAction;
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$names[] = 'scaffolds' . DS . $subDir . $name;
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$paths = $this->_paths($this->plugin);
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$exts = array($this->ext);
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if ($this->ext !== '.ctp') {
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array_push($exts, '.ctp');
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}
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foreach ($exts as $ext) {
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foreach ($paths as $path) {
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foreach ($names as $name) {
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if (file_exists($path . $name . $ext)) {
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return $path . $name . $ext;
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}
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}
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}
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}
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if ($name === 'scaffolds' . DS . $subDir . 'error') {
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return LIBS . 'view' . DS . 'errors' . DS . 'scaffold_error.ctp';
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}
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return $this->_missingView($paths[0] . $name . $this->ext, 'missingView');
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}
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}
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