135 lines
2.9 KiB
PHP
135 lines
2.9 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Manages the rendering of pages in PMA
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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require_once 'libraries/OutputBuffering.class.php';
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require_once 'libraries/Header.class.php';
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require_once 'libraries/Footer.class.php';
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/**
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* Singleton class used to manage the rendering of pages in PMA
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*
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* @package PhpMyAdmin
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*/
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class PMA_Response
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{
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/**
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* PMA_Response instance
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*
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* @access private
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* @static
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* @var object
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*/
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private static $_instance;
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private $_header;
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private $_content;
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private $_footer;
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/**
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* Whether we are servicing an ajax request.
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* We can't simply use $GLOBALS['is_ajax_request']
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* here since it may have not been initialised yet.
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*
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* @access private
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* @var bool
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*/
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private $_isAjax;
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/**
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* Cretes a new class instance
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*
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* @return new PMA_Response object
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*/
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private function __construct()
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{
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$this->_isAjax = false;
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if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true) {
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$this->_isAjax = true;
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}
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$buffer = PMA_OutputBuffering::getInstance();
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$buffer->start();
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$this->_data = array();
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$this->_header = new PMA_Header();
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$this->_header->isAjax($this->_isAjax);
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$this->_content = '';
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$this->_footer = new PMA_Footer();
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$this->_footer->isAjax($this->_isAjax);
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}
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/**
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* Returns the singleton PMA_Response object
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*
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* @return PMA_Response object
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*/
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public static function getInstance()
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{
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if (empty(self::$_instance)) {
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self::$_instance = new PMA_Response();
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}
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return self::$_instance;
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}
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public function getHeader()
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{
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return $this->_header;
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}
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public function getFooter()
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{
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return $this->_footer;
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}
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public function addHTML($content)
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{
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if (is_string($content)) {
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$this->_content .= $content;
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}
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}
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private function getDisplay()
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{
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$retval = $this->_header->getDisplay();
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$retval .= $this->_content;
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$retval .= $this->_footer->getDisplay();
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return $retval;
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}
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public function simpleResponse()
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{
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echo $this->getDisplay();
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exit;
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}
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public function ajaxResponse()
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{
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echo $this->getDisplay();
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//PMA_ajaxResponse($this->getDisplay()); // FIXME
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exit;
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}
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public static function response()
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{
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$response = self::$_instance;
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$buffer = PMA_OutputBuffering::getInstance();
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if (empty($response->_content)) {
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$response->_content = $buffer->getContents();
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}
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if ($response->_isAjax) {
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$response->ajaxResponse();
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} else {
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$response->simpleResponse();
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}
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$buffer->flush();
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}
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}
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?>
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