<?php
namespace Jaxon\Utils\View;
class Renderer
{
/**
* The view data store
*
* @var Store
*/
protected $xStore = null;
/**
* The view global data
*
* @var array
*/
protected $aViewData = [];
/**
* The view manager
*
* @var Manager
*/
protected $xManager;
/**
* The constructor
*/
public function __construct(Manager $xManager)
{
$this->xManager = $xManager;
}
/**
* Get the current store or create a new store
*
* @return Store
*/
protected function store()
{
if(!$this->xStore)
{
$this->xStore = new Store();
}
return $this->xStore;
}
/**
* Make a piece of data available for the rendered view
*
* @param string $name The data name
* @param string $value The data value
*
* @return Renderer
*/
public function set($name, $value)
{
$this->store()->with($name, $value);
return $this;
}
/**
* Make a piece of data available for all views
*
* @param string $name The data name
* @param string $value The data value
*
* @return Renderer
*/
public function share($name, $value)
{
$this->aViewData[$name] = $value;
return $this;
}
/**
* Make an array of data available for all views
*
* @param array $values The data values
*
* @return Renderer
*/
public function shareValues(array $values)
{
foreach($values as $name => $value)
{
$this->share($name, $value);
}
return $this;
}
/**
* Render a view using a store
*
* The store returned by this function will later be used with the make() method to render the view.
*
* @param string $sViewName The view name
* @param array $aViewData The view data
*
* @return null|Store A store populated with the view data
*/
public function render($sViewName, array $aViewData = [])
{
// Get the store
$xStore = $this->store();
// Get the default view namespace
$sNamespace = $this->xManager->getDefaultNamespace();
// Get the namespace from the view name
$iSeparatorPosition = strrpos($sViewName, '::');
if($iSeparatorPosition !== false)
{
$sNamespace = substr($sViewName, 0, $iSeparatorPosition);
}
$xRenderer = $this->xManager->getNamespaceRenderer($sNamespace);
if(!$xRenderer)
{
// Cannot render a view if there's no renderer corresponding to the namespace.
return null;
}
$xStore->setData(\array_merge($this->aViewData, $aViewData))
->setView($xRenderer, $sNamespace, $sViewName);
// Set the store to null so a new store will be created for the next view.
$this->xStore = null;
// Return the store
return $xStore;
}
}
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