Source for file jResponseHtml.class.php

Documentation is available at jResponseHtml.class.php

<?php
/**
* @package jelix
* @subpackage core_response
* @author Laurent Jouanneau
* @contributor Yann (description and keywords), Dominique Papin
* @contributor Warren Seine
* few lines of code are copyrighted CopixTeam http://www.copix.org
* @link http://www.jelix.org
* @licence GNU Lesser General Public Licence see LICENCE file or http://www.gnu.org/licenses/lgpl.html
*/
/**
*
*/
require_once(JELIX_LIB_TPL_PATH.'jTpl.class.php');
/**
* HTML response
* @package jelix
* @subpackage core_response
*/
class jResponseHtml extends jResponse {
/**
* jresponse id
* @var string
*/
protected $_type = 'html';
/**
* Title of the document
* @var string
*/
public $title = '';
/**
* favicon url linked to the document
* @var string
* @since 1.0b2
*/
public $favicon = '';
/**
* The template engine used to generate the body content
* @var jTpl
*/
public $body = null;
/**
* selector of the main template file
* This template should contains the body content, and is used by the $body template engine
* @var string
*/
public $bodyTpl = '';
/**
* Selector of the template used when there are some errors, instead of $bodyTpl
* @var string
*/
public $bodyErrorTpl = '';
/**
* body attributes
* This attributes are written on the body tags
* @var array
*/
public $bodyTagAttributes= array();
/**
* says what part of the html head has been send
* @var integer
*/
protected $_headSent = 0;
/**
* the charset of the document
* @var string
*/
protected $_charset;
/**
* the lang of the document
* @var string
*/
protected $_lang;
/**
* properties of the head content
*/
/**#@+
* content for the head
* @var array
*/
protected $_CSSLink = array ();
protected $_CSSIELink = array ();
protected $_Styles = array ();
protected $_JSLink = array ();
protected $_JSIELink = array ();
protected $_JSCode = array ();
protected $_Others = array ();
protected $_MetaKeywords = array();
protected $_MetaDescription = array();
/**#@-*/
/**#@+
* content for the body
* @var array
*/
protected $_bodyTop = array();
protected $_bodyBottom = array();
/**#@-*/
/**
* says if the document is in xhtml or html
*/
protected $_isXhtml = true;
protected $_endTag="/>\n";
/**
* says if xhtml content type should be send or not.
* it true, a verification of HTTP_ACCEPT is done.
* @var boolean
*/
public $xhtmlContentType = false;
/**
* constructor;
* setup the charset, the lang, the template engine
*/
function __construct (){
global $gJConfig;
$this->_charset = $gJConfig->charset;
$this->_lang = $gJConfig->locale;
$this->body = new jTpl();
parent::__construct();
}
/**
* output the html content
*
* @return boolean true if the generated content is ok
*/
final public function output(){
$this->_headSent = 0;
if($this->_isXhtml && $this->xhtmlContentType && strstr($_SERVER['HTTP_ACCEPT'],'application/xhtml+xml')){
$this->_httpHeaders['Content-Type']='application/xhtml+xml;charset='.$this->_charset;
}else{
$this->_httpHeaders['Content-Type']='text/html;charset='.$this->_charset;
}
$this->sendHttpHeaders();
if($this->_isXhtml){
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="',$this->_lang,'" lang="',$this->_lang,'">
';
}else{
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">', "\n";
echo '<html lang="',$this->_lang,'">';
}
$this->_headSent = 1;
$this->_commonProcess();
if($this->bodyTpl != '')
$this->body->meta($this->bodyTpl);
$this->outputHtmlHeader();
echo '<body ';
foreach($this->bodyTagAttributes as $attr=>$value){
echo $attr,'="', htmlspecialchars($value),'" ';
}
echo ">\n";
$this->_headSent = 2;
echo implode("\n",$this->_bodyTop);
if($this->bodyTpl != '')
$this->body->display($this->bodyTpl);
if($this->hasErrors()){
if($GLOBALS['gJConfig']->error_handling['showInFirebug']){
echo '<script type="text/javascript">if(console){';
foreach( $GLOBALS['gJCoord']->errorMessages as $e){
switch ($e[0]) {
case 'warning':
echo 'console.warn("[warning ';
break;
case 'notice':
echo 'console.info("[notice ';
break;
case 'strict':
echo 'console.info("[strict ';
break;
case 'error':
echo 'console.error("[error ';
break;
}
echo $e[1],'] ',str_replace(array('"',"\n","\r","\t"),array('\"','\\n','\\r','\\t'),$e[2]),' (',str_replace('\\','\\\\',$e[3]),' ',$e[4],')");';
}
echo '}else{alert("there are some errors, you should activate Firebug to see them");}</script>';
}else{
echo '<div id="jelixerror" style="position:absolute;left:0px;top:0px;border:3px solid red; background-color:#f39999;color:black;">';
echo $this->getFormatedErrorMsg();
echo '<p><a href="#" onclick="document.getElementById(\'jelixerror\').style.display=\'none\';return false;">fermer</a></p></div>';
}
}
echo implode("\n",$this->_bodyBottom);
if(count($GLOBALS['gJCoord']->logMessages)) {
if(count($GLOBALS['gJCoord']->logMessages['response'])) {
echo '<ul id="jelixlog">';
foreach($GLOBALS['gJCoord']->logMessages['response'] as $m) {
echo '<li>',htmlspecialchars($m),'</li>';
}
echo '</ul>';
}
if(count($GLOBALS['gJCoord']->logMessages['firebug'])) {
echo '<script type="text/javascript">if(console){';
foreach($GLOBALS['gJCoord']->logMessages['firebug'] as $m) {
echo 'console.debug("',str_replace(array('"',"\n","\r","\t"),array('\"','\\n','\\r','\\t'),$m),'");';
}
echo '}else{alert("there are log messages, you should activate Firebug to see them");}</script>';
}
}
echo '</body></html>';
return true;
}
/**
* The method you can overload in your inherited html response
* overload it if you want to add processes (stylesheet, head settings, additionnal content etc..)
* for all actions
*/
protected function _commonProcess(){
}
/**
* output errors
*/
final public function outputErrors(){
if($this->_headSent < 1){
if(!$this->_httpHeadersSent){
header("HTTP/1.0 500 Internal Server Error");
header('Content-Type: text/html;charset='.$this->_charset);
}
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">', "\n<html>";
}
if($this->_headSent < 2){
echo '<head><title>Errors</title></head><body>';
}
if($this->hasErrors()){
echo $this->getFormatedErrorMsg();
}else{
echo '<p style="color:#FF0000">Unknown Error</p>';
}
echo '</body></html>';
}
/**
* create html error messages
* @return string html content
*/
protected function getFormatedErrorMsg(){
$errors='';
foreach( $GLOBALS['gJCoord']->errorMessages as $e){
$errors .= '<p style="margin:0;"><b>['.$e[0].' '.$e[1].']</b> <span style="color:#FF0000">'.htmlspecialchars($e[2], ENT_NOQUOTES, $this->_charset)."</span> \t".$e[3]." \t".$e[4]."</p>\n";
}
return $errors;
}
/**
* add content to the body
* you can add additionnal content, before or after the content generated by the main template
* @param string $content additionnal html content
* @param boolean $beforeTpl true if you want to add it before the template content, else false for after
*/
function addContent($content, $beforeTpl = false){
if($beforeTpl){
$this->_bodyTop[]=$content;
}else{
$this->_bodyBottom[]=$content;
}
}
/**
* add a link to a javascript script in the document head
*
* $forIe parameter exists since 1.0b2
*
* @param string $src the link
* @param array $params additionnals attributes for the script tag
* @param boolean $forIE if true, the script sheet will be only for IE browser
*/
final public function addJSLink ($src, $params=array(), $forIE=false){
if($forIE){
if (!isset ($this->_JSIELink[$src])){
$this->_JSIELink[$src] = $params;
}
}else{
if (!isset ($this->_JSLink[$src])){
$this->_JSLink[$src] = $params;
}
}
}
/**
* add a link to a css stylesheet in the document head
*
* $forIe parameter exists since 1.0b2
*
* @param string $src the link
* @param array $params additionnals attributes for the link tag
* @param mixed $forIE if true, the style sheet will be only for IE browser. string values possible (ex:'lt IE 7')
*/
final public function addCSSLink ($src, $params=array (), $forIE=false){
if($forIE){
if (!isset ($this->_CSSIELink[$src])){
if (!is_bool($forIE) && !empty($forIE))
$params['_ieCondition'] = $forIE;
$this->_CSSIELink[$src] = $params;
}
}else{
if (!isset ($this->_CSSLink[$src])){
$this->_CSSLink[$src] = $params;
}
}
}
/**
* add inline css style into the document (inside a <style> tag)
* @param string $selector css selector
* @param string $def css properties for the given selector
*/
final public function addStyle ($selector, $def=null){
if (!isset ($this->_Styles[$selector])){
$this->_Styles[$selector] = $def;
}
}
/**
* add additional content into the document head
* @param string $content
* @since 1.0b1
*/
final public function addHeadContent ($content){
$this->_Others[] = $content;
}
/**
* add inline javascript code (inside a <script> tag)
* @param string $code javascript source code
*/
final public function addJSCode ($code){
$this->_JSCode[] = $code;
}
/**
* add some keywords in a keywords meta tag
* @author Yann
* @param string $content keywords
* @since 1.0b1
*/
final public function addMetaKeywords ($content){
$this->_MetaKeywords[] = $content;
}
/**
* add a description in a description meta tag
* @author Yann
* @param string $content a description
* @since 1.0b1
*/
final public function addMetaDescription ($content){
$this->_MetaDescription[] = $content;
}
/**
* generate the content of the <head> content
*/
final protected function outputHtmlHeader (){
echo '<head>'."\n";
if($this->_isXhtml && $this->xhtmlContentType && strstr($_SERVER['HTTP_ACCEPT'],'application/xhtml+xml')){
echo '<meta content="application/xhtml+xml; charset='.$this->_charset.'" http-equiv="content-type"'.$this->_endTag;
} else {
echo '<meta content="text/html; charset='.$this->_charset.'" http-equiv="content-type"'.$this->_endTag;
}
echo '<title>'.htmlspecialchars($this->title)."</title>\n";
if(!empty($this->_MetaDescription)){
// meta description
$description = implode(' ',$this->_MetaDescription);
echo '<meta name="description" content="'.htmlspecialchars($description).'" '.$this->_endTag;
}
if(!empty($this->_MetaKeywords)){
// meta description
$keywords = implode(',',$this->_MetaKeywords);
echo '<meta name="keywords" content="'.htmlspecialchars($keywords).'" '.$this->_endTag;
}
// css link
foreach ($this->_CSSLink as $src=>$params){
//the extra params we may found in there.
$more = '';
foreach ($params as $param_name=>$param_value){
$more .= $param_name.'="'. htmlspecialchars($param_value).'" ';
}
if(!isset($params['rel']))
$more .='rel="stylesheet" ';
echo '<link type="text/css" href="',htmlspecialchars($src),'" ',$more,$this->_endTag;
}
if(count($this->_CSSIELink)){
foreach ($this->_CSSIELink as $src=>$params){
// special params for conditions on IE versions
if (!isset($params['_ieCondition']))
$params['_ieCondition'] = 'IE' ;
echo '<!--[if '.$params['_ieCondition'].' ]>';
//the extra params we may found in there.
$more = '';
foreach ($params as $param_name=>$param_value){
if ($param_name=='_ieCondition')
continue ;
$more .= $param_name.'="'. htmlspecialchars($param_value).'" ';
}
if(!isset($params['rel']))
$more .='rel="stylesheet" ';
echo '<link type="text/css" href="',htmlspecialchars($src),'" ',$more,$this->_endTag;
echo '<![endif]-->';
}
}
if($this->favicon != ''){
$fav = htmlspecialchars($this->favicon);
echo '<link rel="icon" type="image/x-icon" href="',$fav,'" ',$this->_endTag;
echo '<link rel="shortcut icon" type="image/x-icon" href="',$fav,'" ',$this->_endTag;
}
// js link
foreach ($this->_JSLink as $src=>$params){
//the extra params we may found in there.
$more = '';
foreach ($params as $param_name=>$param_value){
$more .= $param_name.'="'. htmlspecialchars($param_value).'" ';
}
echo '<script type="text/javascript" src="',htmlspecialchars($src),'" ',$more,'></script>',"\n";
}
if(count($this->_JSIELink)){
echo '<!--[if IE]>';
foreach ($this->_JSIELink as $src=>$params){
//the extra params we may found in there.
$more = '';
foreach ($params as $param_name=>$param_value){
$more .= $param_name.'="'. htmlspecialchars($param_value).'" ';
}
echo '<script type="text/javascript" src="',htmlspecialchars($src),'" ',$more,'></script>',"\n";
}
echo '<![endif]-->';
}
// styles
if(count($this->_Styles)){
echo '<style type="text/css">
';
foreach ($this->_Styles as $selector=>$value){
if (strlen ($value)){
//il y a une paire clef valeur.
echo $selector.' {'.$value."}\n";
}else{
//il n'y a pas de valeur, c'est peut être simplement une commande.
//par exemple @import qqchose, ...
echo $selector, "\n";
}
}
echo "\n </style>\n";
}
// js code
if(count($this->_JSCode)){
echo '<script type="text/javascript">
// <![CDATA[
'.implode ("\n", $this->_JSCode).'
// ]]>
</script>';
}
echo implode ("\n", $this->_Others), '</head>';
}
/**
* used to erase some head properties
* @param array $what list of one or many of this strings : 'CSSLink', 'CSSIELink', 'Styles', 'JSLink', 'JSIELink', 'JSCode', 'Others','MetaKeywords','MetaDescription'. If null, it cleans all values.
*/
final public function clearHtmlHeader ($what=null){
$cleanable = array ('CSSLink', 'CSSIELink', 'Styles', 'JSLink','JSIELink', 'JSCode', 'Others','MetaKeywords','MetaDescription');
if($what==null)
$what= $cleanable;
foreach ($what as $elem){
if (in_array ($elem, $cleanable)){
$name = '_'.$elem;
$this->$name = array ();
}
}
}
/**
* change the type of html for the output
* @param boolean $xhtml true if you want xhtml, false if you want html
*/
final public function setXhtmlOutput($xhtml = true){
$this->_isXhtml = $xhtml;
if($xhtml)
$this->_endTag = "/>\n";
else
$this->_endTag = ">\n";
}
/**
* says if the response will be xhtml or html
* @return boolean true if it is xhtml
*/
final public function isXhtml(){ return $this->_isXhtml; }
/**
* return the end of a html tag : "/>" or ">", depending if it will generate xhtml or html
* @return string
*/
final public function endTag(){ return $this->_endTag;}
}
?>

Documentation generated on Wed, 07 Sep 2011 13:47:45 +0200 by phpDocumentor 1.4.3