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cakephp2-php8/cake/libs/controller/scaffold.php
phpnut 9c5e3bb979 Merging fixes and enhancements into trunk. 
Revision: [2168]
Added patch from Ticket #458

Revision: [2167]
Merging changes made to model_php5.php

Revision: [2166]
Added methods to allow what is discussed in Ticket #452

Revision: [2165]
Added fix for Ticket #453

Revision: [2164]
Added DBO column abstraction and column-based data formatting/escaping

Revision: [2163]
Added patch from Ticket #457.
Added fix for Ticket #456.

Revision: [2162]
"Added fix suggested in Ticket #454"

Revision: [2161]
"Diff added + symbol, removed it"

Revision: [2160]
"Added all fixes for Ticket #448"

git-svn-id: https://svn.cakephp.org/repo/trunk/cake@2169 3807eeeb-6ff5-0310-8944-8be069107fe0
2006-03-01 19:13:48 +00:00

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<?php
/* SVN FILE: $Id$ */
/**
* Scaffold.
*
* Automatic forms and actions generation for rapid web application development.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2006, 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 (c) 2006, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
* @package cake
* @subpackage cake.cake.libs.controller
* @since Cake v 0.10.0.1076
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Scaffolding is a set of automatic views, forms and controllers for starting web development work faster.
*
* Scaffold inspects your database tables, and making educated guesses, sets up a
* number of pages for each of your Models. These pages have data forms that work,
* and afford the web developer an early look at the data, and the possibility to over-ride
* scaffolded actions with custom-made ones.
*
* @package cake
* @subpackage cake.cake.libs.controller
* @since Cake v 0.10.0.1076
*/
class Scaffold extends Object {
/**
* Name of view to render
*
* @var string
*/
var $actionView = null;
/**
* Class name of model
*
* @var unknown_type
*/
var $modelKey = null;
/**
* Controller object
*
* @var Controller
*/
var $controllerClass = null;
/**
* Name of scaffolded Model
*
* @var string
*/
var $modelName = null;
/**
* Title HTML element for current scaffolded view
*
* @var string
*/
var $scaffoldTitle = null;
/**
* Base URL
*
* @var string
*/
var $base = false;
/**
* Construct and set up given controller with given parameters.
*
* @param string $controller_class Name of controller
* @param array $params
*/
function __construct(&$controller, $params)
{
$this->controllerClass =& $controller;
$this->actionView = $controller->action;
$this->modelKey = Inflector::singularize($controller->name);
$this->scaffoldTitle = Inflector::humanize($this->modelKey);
$this->viewPath = Inflector::underscore($controller->name);
$this->controllerClass->pageTitle = $this->scaffoldTitle;
$this->controllerClass->pageTitle = 'Scaffold :: ' . Inflector::humanize($controller->action) . ' :: ' .
Inflector::humanize(Inflector::pluralize($this->modelKey));
$this->__scaffoldView($params);
}
/**
* Renders a Show view of scaffolded Model.
*
* @param array $params
* @return A rendered view of a row from Models database table
* @access private
*/
function __scaffoldShow($params)
{
if($this->controllerClass->_beforeScaffold('show'))
{
$this->controllerClass->params['data'] = $this->controllerClass->{$this->modelKey}->read();
$this->controllerClass->set('data', $this->controllerClass->params['data'] );
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames( $this->controllerClass->params['data'], false ) );
if(file_exists(APP.'views'.DS.$this->viewPath.DS.'scaffold.show.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.$this->viewPath.DS.'scaffold.show.thtml');
}
elseif(file_exists(APP.'views'.DS.'scaffold'.DS.'scaffold.show.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.'scaffold'.DS.'scaffold.show.thtml');
}
else
{
return $this->controllerClass->render($this->actionView, '', LIBS.'view'.DS.'templates'.DS.'scaffolds'.DS.'show.thtml');
}
}
else if($this->controllerClass->_scaffoldError('show') === false)
{
return $this->__scaffoldError();
}
}
/**
* Renders List view of scaffolded Model.
*
* @param array $params
* @return A rendered view listing rows from Models database table
* @access private
*/
function __scaffoldIndex($params)
{
if($this->controllerClass->_beforeScaffold('index'))
{
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames(null,false) );
$this->controllerClass->set('data', $this->controllerClass->{$this->modelKey}->findAll());
if(file_exists(APP.'views'.DS.$this->viewPath.DS.'scaffold.list.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.$this->viewPath.DS.'scaffold.list.thtml');
}
elseif(file_exists(APP.'views'.DS.'scaffold'.DS.'scaffold.list.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.'scaffold'.DS.'scaffold.list.thtml');
}
else
{
return $this->controllerClass->render($this->actionView, '', LIBS.'view'.DS.'templates'.DS.'scaffolds'.DS.'list.thtml');
}
}
else if($this->controllerClass->_scaffoldError('index') === false)
{
return $this->__scaffoldError();
}
}
/**
* Renders an Add or Edit view for scaffolded Model.
*
* @param array $params
* @param string $params add or new
* @return A rendered view with a form to edit or add a record in the Models database table
* @access private
*/
function __scaffoldForm($params=array(), $type)
{
$thtml = 'edit';
$form = 'Edit';
if($type === 'add')
{
$thtml = 'new';
$form = 'New';
}
if($this->controllerClass->_beforeScaffold($type))
{
if($type == 'edit')
{
$this->controllerClass->params['data'] = $this->controllerClass->{$this->modelKey}->read();
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames($this->controllerClass->params['data']) );
$this->controllerClass->set('data', $this->controllerClass->params['data']);
}
else
{
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames());
}
$this->controllerClass->set('type', $form);
if(file_exists(APP.'views'.DS.$this->viewPath.DS.'scaffold.'.$thtml.'.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.$this->viewPath.DS.'scaffold.'.$thtml.'.thtml');
}
elseif(file_exists(APP.'views'.DS.'scaffold'.DS.'scaffold.'.$thtml.'.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.'scaffold'.DS.'scaffold.'.$thtml.'.thtml');
}
else
{
return $this->controllerClass->render($this->actionView, '', LIBS.'view'.DS.'templates'.DS.'scaffolds'.DS.'edit.thtml');
}
}
else if($this->controllerClass->_scaffoldError($type) === false)
{
return $this->__scaffoldError();
}
}
/**
*
* Saves or updates a model.
*
* @param array $params
* @param string $type create or update
* @return success on save/update, new/edit form if data is empty or error if save or update fails
* @access private
*/
function __scaffoldSave($params = array(), $type)
{
$thtml = 'edit';
$form = 'Edit';
$success = 'updated';
$formError = 'edit';
if($this->controllerClass->_beforeScaffold($type))
{
if(empty($this->controllerClass->params['data']))
{
if($type === 'create')
{
$formError = 'add';
}
return $this->__scaffoldForm($params, $formError);
}
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames() );
$this->controllerClass->cleanUpFields();
if($type == 'create')
{
$this->controllerClass->{$this->modelKey}->create();
$thtml = 'new';
$form = 'New';
$success = 'saved';
}
if ($this->controllerClass->{$this->modelKey}->save($this->controllerClass->params['data']))
{
if($this->controllerClass->_afterScaffoldSave($type))
{
if(is_object($this->controllerClass->Session))
{
$this->controllerClass->Session->setFlash('The '.Inflector::humanize($this->modelKey).' has been '.$success.'.');
$this->controllerClass->redirect(Inflector::underscore($this->controllerClass->viewPath));
}
else
{
return $this->controllerClass->flash('The '.Inflector::humanize($this->modelKey).' has been '.$success.'.','/'.
Inflector::underscore($this->controllerClass->viewPath));
}
}
else
{
return $this->controllerClass->_afterScaffoldSaveError($type);
}
}
else
{
if(is_object($this->controllerClass->Session))
{
$this->controllerClass->Session->setFlash('Please correct errors below.');
}
$this->controllerClass->set('data', $this->controllerClass->params['data']);
$this->controllerClass->set('fieldNames', $this->controllerClass->generateFieldNames($this->__rebuild($this->controllerClass->params['data'])));
$this->controllerClass->validateErrors($this->controllerClass->{$this->modelKey});
$this->controllerClass->set('type', $form);
if(file_exists(APP.'views'.DS.$this->viewPath.DS.'scaffolds'.DS.'scaffold.'.$thtml.'.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.$this->viewPath.DS.'scaffolds'.DS.'scaffold.'.$thtml.'.thtml');
}
elseif(file_exists(APP.'views'.DS.'scaffold'.DS.'scaffold.'.$thtml.'.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.'scaffold'.DS.'scaffold.'.$thtml.'.thtml');
}
else
{
return $this->controllerClass->render($this->actionView, '', LIBS.'view'.DS.'templates'.DS.'scaffolds'.DS.'edit.thtml');
}
}
}
else if($this->controllerClass->_scaffoldError($type) === false)
{
return $this->__scaffoldError();
}
}
/**
* Performs a delete on given scaffolded Model.
*
* @param array $params
* @return success on delete error if delete fails
* @access private
*/
function __scaffoldDelete($params=array())
{
if($this->controllerClass->_beforeScaffold('delete'))
{
$id = $params['pass'][0];
if ($this->controllerClass->{$this->modelKey}->del($id))
{
if(is_object($this->controllerClass->Session))
{
$this->controllerClass->Session->setFlash('The '.Inflector::humanize($this->modelKey).' with id: '.$id.' has been deleted.');
$this->controllerClass->redirect(Inflector::underscore($this->controllerClass->viewPath));
}
else
{
return $this->controllerClass->flash('The '.Inflector::humanize($this->modelKey).' with id: '.
$id.' has been deleted.', '/'.Inflector::underscore($this->controllerClass->viewPath));
}
}
else
{
if(is_object($this->controllerClass->Session))
{
$this->controllerClass->Session->setFlash('There was an error deleting the '.Inflector::humanize($this->modelKey).' with the id '.$id);
$this->controllerClass->redirect(Inflector::underscore($this->controllerClass->viewPath));
}
else
{
return $this->controllerClass->flash('There was an error deleting the '.Inflector::humanize($this->modelKey).' with the id '.
$id, '/'.Inflector::underscore($this->controllerClass->viewPath));
}
}
}
else if($this->controllerClass->_scaffoldError('delete') === false)
{
return $this->__scaffoldError();
}
}
/**
* Enter description here...
*
* @return unknown
*/
function __scaffoldError()
{
if(file_exists(APP.'views'.DS.$this->viewPath.DS.'scaffolds'.DS.'scaffold.error.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.$this->viewPath.DS.'scaffolds'.DS.'scaffold.error.thtml');
}
elseif(file_exists(APP.'views'.DS.'scaffold'.DS.'scaffold.error.thtml'))
{
return $this->controllerClass->render($this->actionView, '', APP.'views'.DS.'scaffold'.DS.'scaffold.error.thtml');
}
else
{
return $this->controllerClass->render($this->actionView, '', LIBS.'view'.DS.'templates'.DS.'errors'.DS.'scaffold_error.thtml');
}
}
/**
* When forms are submited the arrays need to be rebuilt if
* an error occured, here the arrays are rebuilt to structure needed
*
* @param array $params data passed to forms
* @return array rebuilds the association arrays to pass back to Controller::generateFieldNames()
*/
function __rebuild($params)
{
foreach ($params as $model => $field)
{
if(!empty($field) && is_array($field))
{
$match = array_keys($field);
if($model == $match[0])
{
$count = 0;
foreach ($field[$model] as $value)
{
$params[$model][$count][$this->controllerClass->{$this->modelKey}->{$model}->primaryKey] = $value;
$count++;
}
unset($params[$model][$model]);
}
}
}
return $params;
}
/**
* When methods are now present in a controller
* scaffoldView is used to call default Scaffold methods if:
* <code>
* var $scaffold;
* </code>
* is placed in the controller's class definition.
*
* @param string $url
* @param string $controller_class
* @param array $params
* @since Cake v 0.10.0.172
* @access private
*/
function __scaffoldView ($params)
{
if(!in_array('Form', $this->controllerClass->helpers))
{
$this->controllerClass->helpers[] = 'Form';
}
$this->controllerClass->constructClasses();
if(isset($this->controllerClass->{$this->modelKey}->db))
{
if($params['action'] === 'index' || $params['action'] === 'list' ||
$params['action'] === 'show' || $params['action'] === 'add' ||
$params['action'] === 'create' || $params['action'] === 'edit' ||
$params['action'] === 'update' || $params['action'] === 'delete')
{
switch ($params['action'])
{
case 'index':
$this->__scaffoldIndex($params);
break;
case 'show':
$this->__scaffoldShow($params);
break;
case 'list':
$this->__scaffoldIndex($params);
break;
case 'add':
$this->__scaffoldForm($params, 'add');
break;
case 'edit':
$this->__scaffoldForm($params, 'edit');
break;
case 'create':
$this->__scaffoldSave($params, 'create');
break;
case 'update':
$this->__scaffoldSave($params, 'update');
break;
case 'delete':
$this->__scaffoldDelete($params);
break;
}
}
else
{
return $this->cakeError('missingAction',
array(array('className' => Inflector::camelize($params['controller']."Controller"),
'action' => $params['action'],
'webroot' => $this->controllerClass->webroot)));
}
}
else
{
return $this->cakeError('missingDatabase',
array(array('webroot' => $this->controllerClass->webroot)));
}
}
}
?>
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