mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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6ca443861d
git-svn-id: https://svn.cakephp.org/repo/trunk/cake@323 3807eeeb-6ff5-0310-8944-8be069107fe0
517 lines
No EOL
12 KiB
PHP
517 lines
No EOL
12 KiB
PHP
<?php
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//////////////////////////////////////////////////////////////////////////
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// + $Id$
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// +------------------------------------------------------------------+ //
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// + Cake PHP : Rapid Development Framework <http://www.cakephp.org/> + //
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// + Copyright: (c) 2005, CakePHP Authors/Developers + //
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// + Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com> + //
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// + Larry E. Masters aka PhpNut <nut@phpnut.com> + //
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// + Kamil Dzielinski aka Brego <brego.dk@gmail.com> + //
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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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// + See: http://www.opensource.org/licenses/mit-license.php + //
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//////////////////////////////////////////////////////////////////////////
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/**
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* Purpose: View
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*
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*
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* @filesource
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* @author CakePHP Authors/Developers
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* @copyright Copyright (c) 2005, CakePHP Authors/Developers
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* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
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* @package cake
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* @subpackage cake.libs
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* @since CakePHP v 0.9.1
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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uses('object');
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/**
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*
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*
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* @package cake
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* @subpackage cake.libs
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* @since CakePHP v 0.9.1
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*/
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class View extends Object
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{
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/**
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* Name of the controller.
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*
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* @var unknown_type
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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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* Stores the current URL (for links etc.)
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*
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* @var string Current URL
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*/
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var $here = null;
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/**
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* Enter description here...
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*
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* @var unknown_type
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* @access public
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*/
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var $parent = 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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* An array of names of models the particular controller wants to use.
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*
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* @var mixed A single name as a string or a list of names as an array.
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* @access protected
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*/
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var $uses = false;
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/**
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* An array of names of built-in helpers to include.
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*
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* @var mixed A single name as a string or a list of names as an array.
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* @access protected
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*/
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var $helpers = array('html');
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var $viewPath;
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/**
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* Variables for the view
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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 $_viewVars = array();
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/**
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* Enter description here...
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*
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* @var boolean
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* @access private
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*/
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var $pageTitle = false;
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/**
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* An array of model objects.
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*
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* @var array Array of model objects.
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* @access public
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*/
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var $models = array();
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/**
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* Enter description here...
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*
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* @var unknown_type
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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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* Enter description here...
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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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* Enter description here...
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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 $autoRender = true;
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/**
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* Enter description here...
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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 $autoLayout = true;
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var $params;
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var $hasRendered = null;
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var $modelsLoaded = false;
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function View(){
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}
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function getInstance()
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{
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static $instance;
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if (!isset($instance))
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{
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$instance[0] =& new View();
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}
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return $instance[0];
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}
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/**
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* Displays a flash message. A flash message is feedback to the user that displays after editing actions, among other things.
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*
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* @param string $message Text to display to the user
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* @param string $url URL fragment
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* @param int $time Display time, in seconds
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*/
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function flash($message, $url, $time=1)
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{
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$this->autoRender = false;
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$this->autoLayout = false;
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$this->set('url', $this->base.$url);
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$this->set('message', $message);
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$this->set('time', $time);
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$this->render(null,false,VIEWS.'layouts'.DS.'flash.thtml');
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}
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/**
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* Render view for given action and layout. If $file is given, that is used
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* for a view filename (e.g. customFunkyView.thtml).
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*
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* @param string $action Name of action to render for
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* @param string $layout
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* @param string $file Custom filename for view
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*/
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function render($action=null, $layout=null, $file=null)
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{
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if ($this->modelsLoaded!==true)
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{
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foreach ($this->models as $modelName => $model)
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{
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$this->$modelName = $model;
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}
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}
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// What is reason for these being the same?
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if (isset($this->hasRendered) && $this->hasRendered)
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{
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return true;
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}
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else
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{
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$this->hasRendered = false;
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}
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$this->autoRender = false;
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if (!$action)
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{
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$action = $this->action;
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}
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if ($layout)
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{
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$this->setLayout($layout);
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}
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$viewFileName = $file? $file: $this->_getViewFileName($action);
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if (!is_file($viewFileName))
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{
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if (strtolower(get_class($this)) == 'template')
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{
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return array('action' => $action, 'layout' => $layout, 'viewFn' => $viewFileName);
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}
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// check to see if the missing view is due to a custom missingAction
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if (strpos($action, 'missingAction') !== false)
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{
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$errorAction = 'missingAction';
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}
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else
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{
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$errorAction = 'missingView';
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}
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// check for controller-level view handler
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foreach(array($this->name, 'errors') as $viewDir)
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{
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$missingViewFileName = VIEWS.$viewDir.DS.Inflector::underscore($errorAction).'.thtml';
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$missingViewExists = is_file($missingViewFileName);
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if ($missingViewExists)
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{
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break;
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}
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}
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if (strpos($action, 'missingView') === false)
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{
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$controller = $this;
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$controller->missingView = $viewFileName;
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$controller->action = $action;
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call_user_func_array(array(&$controller, 'missingView'), empty($params['pass'])? null: $params['pass']);
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$isFatal = isset($this->isFatal) ? $this->isFatal : false;
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if (!$isFatal)
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{
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$viewFileName = $missingViewFileName;
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}
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}
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else
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{
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$missingViewExists = false;
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}
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if (!$missingViewExists || $isFatal)
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{
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// app/view/errors/missing_view.thtml view is missing!
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if (DEBUG)
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{
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trigger_error(sprintf(ERROR_NO_VIEW, $action, $viewFileName), E_USER_ERROR);
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}
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else
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{
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$this->error('404', 'Not found', sprintf(ERROR_404, '', "missing view \"{$action}\""));
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}
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die();
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}
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}
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if ($viewFileName && !$this->hasRendered)
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{
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$out = $this->_render($viewFileName, $this->_viewVars, 0);
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if ($out !== false)
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{
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if ($this->layout && $this->autoLayout)
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{
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$out = $this->renderLayout($out);
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}
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print $out;
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$this->hasRendered = true;
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}
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else
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{
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$out = $this->_render($viewFileName, $this->_viewVars, false);
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trigger_error(sprintf(ERROR_IN_VIEW, $viewFileName, $out), E_USER_ERROR);
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}
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return true;
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}
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}
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/**
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* Renders a piece of PHP with provided parameters and returns HTML, XML, or any other string.
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*
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* @param string $name Name of template file
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* @param array $params Array of data for rendered view
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* @return string Rendered output
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*/
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function renderElement($name, $params=array())
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{
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$fn = ELEMENTS.$name.'.thtml';
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if (!file_exists($fn))
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{
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return "(Error rendering {$name})";
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}
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return $this->_render($fn, array_merge($this->_viewVars, $params));
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}
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/**
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* Renders a layout. Returns output from _render(). Returns false on error.
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*
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* @param string $content_for_layout Content to render in a view
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* @return string Rendered output
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*/
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function renderLayout($content_for_layout)
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{
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$layout_fn = $this->_getLayoutFileName();
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$data_for_layout = array_merge($this->_viewVars, array(
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'title_for_layout'=>$this->pageTitle !== false? $this->pageTitle: Inflector::humanize($this->viewPath),
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'content_for_layout'=>$content_for_layout));
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if (is_file($layout_fn))
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{
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$out = $this->_render($layout_fn, $data_for_layout);
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if ($out === false)
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{
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$out = $this->_render($layout_fn, $data_for_layout, false);
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trigger_error(sprintf(ERROR_IN_LAYOUT, $layout_fn, $out), E_USER_ERROR);
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return false;
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}
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else
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{
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return $out;
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}
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}
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else
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{
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trigger_error(sprintf(ERROR_NO_LAYOUT, $this->layout, $layout_fn), E_USER_ERROR);
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return false;
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}
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}
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/**
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* Choose the layout to be used when rendering.
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*
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* @param string $layout
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*/
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function setLayout($layout)
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{
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$this->layout = $layout;
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}
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/**
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* Displays an error page to the user. Uses layouts/error.html to render the page.
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*
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* @param int $code Error code (for instance: 404)
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* @param string $name Name of the error (for instance: Not Found)
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* @param string $message Error message
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*/
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function error ($code, $name, $message)
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{
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header ("HTTP/1.0 {$code} {$name}");
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print ($this->_render(VIEWS.'layouts/error.thtml', array('code'=>$code,'name'=>$name,'message'=>$message)));
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}
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function missingController()
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{
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//We are simulating action call below, this is not a filename!
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$this->render('../errors/missingController');
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}
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function missingAction()
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{
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//We are simulating action call below, this is not a filename!
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$this->render('../errors/missingAction');
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}
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function missingView()
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{
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//We are simulating action call below, this is not a filename!
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$this->render('../errors/missingView');
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}
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/**************************************************************************
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* Private methods.
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*************************************************************************/
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/**
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* Returns filename of given action's template file (.thtml) as a string. CamelCased action names will be under_scored! This means that you can have LongActionNames that refer to long_action_names.thtml views.
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*
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* @param string $action Controller action to find template filename for
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* @return string Template filename
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* @access private
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*/
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function _getViewFileName($action)
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{
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$action = Inflector::underscore($action);
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$viewFileName = VIEWS.$this->viewPath.DS."{$action}.thtml";
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$viewPath = explode(DS, $viewFileName);
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$i = array_search('..', $viewPath);
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unset($viewPath[$i-1]);
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unset($viewPath[$i]);
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return '/'.implode('/', $viewPath);
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}
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/**
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* Returns layout filename for this template as a string.
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*
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* @return string Filename for layout file (.thtml).
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* @access private
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*/
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function _getLayoutFileName()
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{
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return VIEWS."layouts".DS."{$this->layout}.thtml";
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}
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/**
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* Renders and returns output for given view filename with its
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* array of data.
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*
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* @param string $___viewFn Filename of the view
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* @param array $___data_for_view Data to include in rendered view
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* @param boolean $___play_safe If set to false, the include() of the $__viewFn is done without suppressing output of errors
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* @return string Rendered output
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* @access private
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*/
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function _render($___viewFn, $___data_for_view, $___play_safe = true)
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{
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/**
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* Fetching helpers
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*/
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if ($this->helpers !== false)
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{
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foreach ($this->helpers as $helper)
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{
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$helperFn = LIBS.'helpers'.DS.Inflector::underscore($helper).'.php';
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$helperCn = ucfirst($helper).'Helper';
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if (is_file($helperFn))
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{
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require_once $helperFn;
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if(class_exists($helperCn)===true);
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{
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${$helper} = new $helperCn;
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${$helper}->base = $this->base;
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${$helper}->here = $this->here;
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${$helper}->params = $this->params;
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${$helper}->action = $this->action;
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${$helper}->data = $this->data;
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if(!empty($this->validationErrors))
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{
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${$helper}->validationErrors = $this->validationErrors;
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}
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}
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}
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}
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}
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extract($___data_for_view, EXTR_SKIP); # load all view variables
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/**
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* Local template variables.
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*/
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$BASE = $this->base;
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$params = &$this->params;
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$page_title = $this->pageTitle;
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/**
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* Start caching output (eval outputs directly so we need to cache).
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*/
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ob_start();
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/**
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* Include the template.
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*/
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$___play_safe? @include($___viewFn): include($___viewFn);
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$out = ob_get_clean();
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return $out;
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}
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}
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?>
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