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improving css bandwidth usage, now all css files are coming in one file

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This commit is contained in:
Fernando Ontiveros
2011-02-25 22:04:56 +00:00
parent 24264fb4cf
commit 0cca2f6b0e
3 changed files with 124 additions and 36 deletions
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150
gulliver/system/class.g.php
View File

@@ -970,6 +970,116 @@ class G
}
}
/**
* streaming a big JS file with small js files
*
* @author Fernando Ontiveros Lira <fernando@colosa.com>
* @access public
* @param string $file
* @param boolean $download
* @param string $downloadFileName
* @return string
*/
function streamCSSBigFile( $filename )
{
header('Content-Type: text/javascript');
//if userAgent (BROWSER) is MSIE we need special headers to avoid MSIE behaivor.
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if ( file_exists($filename) )
$mtime = filemtime($filename);
else
$mtime = date('U');
$gmt_mtime = gmdate("D, d M Y H:i:s", $mtime ) . " GMT";
header('Pragma: cache');
header('ETag: "' . md5 ($mtime . $filename ) . '"' );
header("Last-Modified: " . $gmt_mtime );
header('Cache-Control: public');
header("Expires: " . gmdate("D, d M Y H:i:s", time () + 30*60*60*24 ) . " GMT"); //1 month
if( isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ) {
if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] == $gmt_mtime) {
header('HTTP/1.1 304 Not Modified');
exit();
}
}
if ( isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
if ( str_replace('"', '', stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) == md5( $mtime . $filename)) {
header("HTTP/1.1 304 Not Modified");
exit();
}
}
$extJsSkin = 'xtheme-gray';
$publicExtPath = PATH_HTML . 'skins' . PATH_SEP . 'ext' . PATH_SEP;
$output = "/* css autogenerated by gulliver framework for $filename skin **/\n";
$output .= file_get_contents ( $publicExtPath . 'ext-all-notheme.css' );
$output .= file_get_contents ( $publicExtPath . $extJsSkin . '.css' );
$output .= file_get_contents ( $publicExtPath . 'pmos-' . $extJsSkin . '.css' );
//adding the extend css for extjs-pmos
$cssThemeExtensions = glob(PATH_TPL . "*/css/extjs-extend/{$extJsSkin}.css");
foreach($cssThemeExtensions as $cssThemeExtensionFile)
//$helper->addFile($cssThemeExtensionFile);
$output .= file_get_contents ( $cssThemeExtensionFile );
//new interactive css decorator
//$script .= " <link rel='stylesheet' type='text/css' href='/gulliver/loader?t=extjs-cssExtended&s=".$this->extJsSkin."' />\n";
$output .= file_get_contents ( PATH_HTML . 'images/icons_silk/sprite.css' );
return $output;
}
/**
* streaming a big JS file with small js files
*
* @author Fernando Ontiveros Lira <fernando@colosa.com>
* @access public
* @param string $file
* @param boolean $download
* @param string $downloadFileName
* @return string
*/
function streamJSTranslationFile( $filename, $locale = 'en' )
{
header('Content-Type: text/javascript');
//if userAgent (BROWSER) is MSIE we need special headers to avoid MSIE behaivor.
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if ( file_exists($filename) )
$mtime = filemtime($filename);
else
$mtime = date('U');
$gmt_mtime = gmdate("D, d M Y H:i:s", $mtime ) . " GMT";
header('Pragma: cache');
header('ETag: "' . md5 ($mtime . $filename ) . '"' );
header("Last-Modified: " . $gmt_mtime );
header('Cache-Control: public');
header("Expires: " . gmdate("D, d M Y H:i:s", time () + 30*60*60*24 ) . " GMT"); //1 month
if( isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ) {
if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] == $gmt_mtime) {
header('HTTP/1.1 304 Not Modified');
exit();
}
}
if ( isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
if ( str_replace('"', '', stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) == md5( $mtime . $filename)) {
header("HTTP/1.1 304 Not Modified");
exit();
}
}
$output = '';
G::LoadTranslationObject($locale);
global $translation;
$output .= JSMin::minify ( 'var TRANSLATIONS = ' . G::json_encode($translation) . ';' );
return $output;
}
/**
* streaming a file
*
@@ -983,45 +1093,21 @@ class G
function streamFile( $file, $download = false, $downloadFileName = '' )
{
require_once (PATH_THIRDPARTY . 'jsmin/jsmin.php');
$folderarray = explode ( '/', $file );
$typearray = explode ( '.', basename( $file) );
$typefile = $typearray[ count($typearray) -1 ];
$filename = $file;
//trick to generate the translation.language.js file , merging two files and then minified the content.
if ( strtolower ($typefile ) == 'js' && $typearray[0] == 'translation' ) {
header('Content-Type: text/javascript');
$output = G::streamJSTranslationFile ($filename, $typearray[1]);
print $output;
return;
}
//if userAgent (BROWSER) is MSIE we need special headers to avoid MSIE behaivor.
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if ( file_exists($filename) )
$mtime = filemtime($filename);
else
$mtime = date('U');
$gmt_mtime = gmdate("D, d M Y H:i:s", $mtime ) . " GMT";
header('Pragma: cache');
header('ETag: "' . md5 ($mtime . $filename ) . '"' );
header("Last-Modified: " . $gmt_mtime );
header('Cache-Control: public');
header("Expires: " . gmdate("D, d M Y H:i:s", time () + 30*60*60*24 ) . " GMT"); //1 month
if( isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ) {
if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] == $gmt_mtime) {
header('HTTP/1.1 304 Not Modified');
exit();
}
}
if ( isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
if ( str_replace('"', '', stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) == md5( $mtime . $filename)) {
header("HTTP/1.1 304 Not Modified");
exit();
}
}
$output = '';
$locale = $typearray[1]; //here we have the language , for example translation.en.js
G::LoadTranslationObject($locale);
global $translation;
$output .= JSMin::minify ( 'var TRANSLATIONS = ' . G::json_encode($translation) . ';' );
//trick to generate the big css file for ext style .
if ( strtolower ($typefile ) == 'css' && $folderarray[count($folderarray)-2] == 'css' ) {
$output = G::streamCSSBigFile( $typearray[0] );
print $output;
return;
}

7
gulliver/system/class.headPublisher.php
View File

@@ -297,8 +297,9 @@ class headPublisher {
}
function getExtJsStylesheets(){
$script = " <link rel='stylesheet' type='text/css' href='/skins/ext/ext-all-notheme.css' />\n";
$script = " <link rel='stylesheet' type='text/css' href='/css/classic.css' />\n";
/*
$script .= " <link rel='stylesheet' type='text/css' href='/skins/ext/ext-all-notheme.css' />\n";
$script .= " <link rel='stylesheet' type='text/css' href='/skins/ext/" . $this->extJsSkin.".css' />\n";
// <!-- DEPRECATED, this will be removed in a future - the three next lines
@@ -310,7 +311,7 @@ class headPublisher {
//new interactive css decorator
$script .= " <link rel='stylesheet' type='text/css' href='/gulliver/loader?t=extjs-cssExtended&s=".$this->extJsSkin."' />\n";
$script .= " <link rel='stylesheet' type='text/css' href='/images/icons_silk/sprite.css' />\n";
*/
// Load external/plugin css
// NOTE is necesary to move this to decorator server
$oPluginRegistry = & PMPluginRegistry::getSingleton ();

3
workflow/engine/skins/extJs.php
View File

@@ -42,7 +42,8 @@
$body = $oHeadPublisher->getExtJsScripts();
$templateFile = 'extJsInitLoad.html';
} else {
}
else {
$header = $oHeadPublisher->includeExtJs();
$styles = '';
$body = $oHeadPublisher->renderExtJs();