rosehill/libraries/framework/classes/Block.php

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<?php
/**
* Represents a block of main content in a template
*
* Blocks are partial view scripts.
* They are contained in APPLICATION/blocks
* They are organized by $outputFormat
* APPLICATION_HOME/blocks/html/...
* APPLICATION_HOME/blocks/xml/...
* APPLICATION_HOME/blocks/json/..
*
* @copyright 2006-2009 City of Bloomington, Indiana
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
* @author Cliff Ingham <inghamn@bloomington.in.gov>
*/
class Block extends View
{
private $file;
/**
* Establishes the block script to use for rendering
*
* Blocks are files contained in the base path of:
* APPLICATION_HOME/blocks/$outpuform
*
* @param string $file
* @param array $vars An associative array of variables to set
*/
public function __construct($file,array $vars=null)
{
$this->file = $file;
if (count($vars)) {
foreach ($vars as $name=>$value) {
$this->vars[$name] = $value;
}
}
}
/**
* Includes the block script and returns the output as a string
*
* @param string $outputFormat
* @return string
*/
public function render($outputFormat='html')
{
$block = "/blocks/$outputFormat/{$this->file}";
if (file_exists(APPLICATION_HOME.$block)) {
ob_start();
include APPLICATION_HOME.$block;
return ob_get_clean();
}
elseif (file_exists(FRAMEWORK.$block)) {
ob_start();
include FRAMEWORK.$block;
return ob_get_clean();
}
throw new Exception('unknownBlock');
}
}