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-rw-r--r--include/template.class.php193
1 files changed, 173 insertions, 20 deletions
diff --git a/include/template.class.php b/include/template.class.php
index d41cd3cf4..dcfc2d527 100644
--- a/include/template.class.php
+++ b/include/template.class.php
@@ -43,9 +43,13 @@ class Template {
// used by html_head smarty block to add content before </head>
var $html_head_elements = array();
+ const COMBINED_SCRIPTS_TAG = '<!-- COMBINED_SCRIPTS -->';
var $scriptLoader;
var $html_footer_raw_script = array();
+ const COMBINED_CSS_TAG = '<!-- COMBINED_CSS -->';
+ var $css_by_priority = array();
+
function Template($root = ".", $theme= "", $path = "template")
{
global $conf, $lang_info;
@@ -88,6 +92,8 @@ class Template {
$this->smarty->register_block('html_head', array(&$this, 'block_html_head') );
$this->smarty->register_function('combine_script', array(&$this, 'func_combine_script') );
$this->smarty->register_function('get_combined_scripts', array(&$this, 'func_get_combined_scripts') );
+ $this->smarty->register_function('combine_css', array(&$this, 'func_combine_css') );
+ $this->smarty->register_function('get_combined_css', array(&$this, 'func_get_combined_css') );
$this->smarty->register_block('footer_script', array(&$this, 'block_footer_script') );
$this->smarty->register_function('known_script', array(&$this, 'func_known_script') );
$this->smarty->register_prefilter( array('Template', 'prefilter_white_space') );
@@ -385,8 +391,7 @@ class Template {
{
if (!$this->scriptLoader->did_head())
{
- $search = "\n</head>";
- $pos = strpos( $this->output, $search );
+ $pos = strpos( $this->output, self::COMBINED_SCRIPTS_TAG );
if ($pos !== false)
{
$scripts = $this->scriptLoader->get_head_scripts();
@@ -399,10 +404,34 @@ class Template {
.'"></script>';
}
- $this->output = substr_replace( $this->output, "\n".implode( "\n", $content ), $pos, 0 );
+ $this->output = substr_replace( $this->output, "\n".implode( "\n", $content ), $pos, strlen(self::COMBINED_SCRIPTS_TAG) );
} //else maybe error or warning ?
}
+ if(!empty($this->css_by_priority))
+ {
+ ksort($this->css_by_priority);
+ $combiner = new FileCombiner('css');
+ foreach ($this->css_by_priority as $files)
+ {
+ foreach ($files as $file_ver)
+ {
+ $combiner->add( $file_ver[0], $file_ver[1] );
+ }
+ }
+ if ( $combiner->combine( $out_file, $out_version) )
+ {
+ $href = get_root_url() . $out_file;
+ if ($out_version !== false)
+ $href .= '?v' . ($out_version ? $out_version : PHPWG_VERSION);
+ // trigger the event for eventual use of a cdn
+ $href = trigger_event('combined_css', $href, $out_file, $out_version);
+ $this->output = str_replace(self::COMBINED_CSS_TAG,
+ '<link rel="stylesheet" type="text/css" href="'.$href.'">',
+ $this->output );
+ }
+ }
+
if ( count($this->html_head_elements) )
{
$search = "\n</head>";
@@ -535,17 +564,7 @@ class Template {
if ($load==0)
{
- if ($this->scriptLoader->did_head())
- fatal_error('get_combined_scripts several times header');
-
- $scripts = $this->scriptLoader->get_head_scripts();
- foreach ($scripts as $id => $script)
- {
- $content[]=
- '<script type="text/javascript" src="'
- . Template::make_script_src($script)
- .'"></script>';
- }
+ return self::COMBINED_SCRIPTS_TAG;
}
else
{
@@ -612,6 +631,21 @@ class Template {
$this->html_footer_raw_script[] = $content;
}
}
+
+ function func_combine_css($params, &$smarty)
+ {
+ !empty($params['path']) || fatal_error('combine_css missing path');
+ $order = (int)@$params['order'];
+ $version = isset($params['version']) ? $params['version'] : 0;
+ $this->css_by_priority[$order][] = array( $params['path'], $version);
+ //var_export( $this->css_by_priority ); echo "<br>";
+ }
+
+ function func_get_combined_css($params, &$smarty)
+ {
+ return self::COMBINED_CSS_TAG;
+ }
+
/**
* This function allows to declare a Smarty prefilter from a plugin, thus allowing
@@ -723,22 +757,23 @@ class Template {
static function prefilter_local_css($source, &$smarty)
{
$css = array();
-
foreach ($smarty->get_template_vars('themes') as $theme)
{
- if (file_exists(PHPWG_ROOT_PATH.'local/css/'.$theme['id'].'-rules.css'))
+ $f = 'local/css/'.$theme['id'].'-rules.css';
+ if (file_exists(PHPWG_ROOT_PATH.$f))
{
- array_push($css, '<link rel="stylesheet" type="text/css" href="{$ROOT_URL}local/css/'.$theme['id'].'-rules.css">');
+ array_push($css, "{combine_css path='$f' order=10}");
}
}
- if (file_exists(PHPWG_ROOT_PATH.'local/css/rules.css'))
+ $f = 'local/css/rules.css';
+ if (file_exists(PHPWG_ROOT_PATH.$f))
{
- array_push($css, '<link rel="stylesheet" type="text/css" href="{$ROOT_URL}local/css/rules.css">');
+ array_push($css, "{combine_css path='$f' order=10}");
}
if (!empty($css))
{
- $source = str_replace("\n</head>", "\n".implode( "\n", $css )."\n</head>", $source);
+ $source = str_replace("\n{get_combined_css}", "\n".implode( "\n", $css )."\n{get_combined_css}", $source);
}
return $source;
@@ -979,4 +1014,122 @@ class ScriptLoader
}
}
+
+/*Allows merging of javascript and css files into a single one.*/
+final class FileCombiner
+{
+ const OUT_SUB_DIR = 'local/combined/';
+ private $type; // js or css
+ private $files = array();
+ private $versions = array();
+
+ function FileCombiner($type)
+ {
+ $this->type = $type;
+ }
+
+ function add($file, $version)
+ {
+ $this->files[] = $file;
+ $this->versions[] = $version;
+ }
+
+ function clear()
+ {
+ $this->files = array();
+ $this->versions = array();
+ }
+
+ function combine(&$out_file, &$out_version)
+ {
+ //var_export($this);
+ if (count($this->files) == 0)
+ {
+ return false;
+ }
+ if (count($this->files) == 1)
+ {
+ $out_file = $this->files[0];
+ $out_version = $this->versions[0];
+ $this->clear();
+ return 1;
+ }
+
+ global $conf;
+ $key = array();
+
+ for ($i=0; $i<count($this->files); $i++)
+ {
+ $key[] = $this->files[$i];
+ $key[] = $this->versions[$i];
+ if ($conf['template_compile_check']) $key[] = filemtime( PHPWG_ROOT_PATH . $this->files[$i] );
+ }
+ $key = join('>', $key);
+
+ $file = base_convert(crc32($key),10,36);
+ $file = self::OUT_SUB_DIR . $file . '.' . $this->type;
+ if (file_exists( PHPWG_ROOT_PATH . $file ) )
+ {
+ $out_file = $file;
+ $out_version = false;
+ $this->clear();
+ return 2;
+ }
+
+ $output = '';
+ if ($conf['debug_template'])
+ $output .= "/*".join("\n", $this->files)."*/\n";
+ foreach ($this->files as $input_file)
+ {
+ $output .= "/* BEGIN $input_file */\n";
+ if ($this->type == "css")
+ {
+ $output .= $this->process_css($input_file);
+ }
+ else
+ $output .= file_get_contents(PHPWG_ROOT_PATH . $input_file);
+ $output .= "\n";
+ }
+
+ file_put_contents( PHPWG_ROOT_PATH . $file, $output );
+ $out_file = $file;
+ $out_version = false;
+ $this->clear();
+ return 2;
+ }
+
+ private function process_css($file)
+ {
+ static $PATTERN = "#url\(\s*['|\"]{0,1}(.*?)['|\"]{0,1}\s*\)#";
+ $css = file_get_contents(PHPWG_ROOT_PATH . $file);
+ if (preg_match_all($PATTERN, $css, $matches, PREG_SET_ORDER))
+ {
+ $search = $replace = array();
+ foreach ($matches as $match)
+ {
+ if ( !url_is_remote($match[1]) || $match[1][0] != '/')
+ {
+ $relative = dirname($file) . "/$match[1]";
+ $search[] = $match[0];
+ $replace[] = "url('" . get_absolute_root_url(false) . $relative . "')";
+ }
+ }
+ $css = str_replace($search, $replace, $css);
+ }
+
+ $imports = preg_match_all("#@import\s*['|\"]{0,1}(.*?)['|\"]{0,1};#", $css, $matches, PREG_SET_ORDER);
+ if ($imports)
+ {
+ $search = $replace = array();
+ foreach ($matches as $match)
+ {
+ $search[] = $match[0];
+ $replace[] = $this->process_css(dirname($file) . "/$match[1]");
+ }
+ $css = str_replace($search, $replace, $css);
+ }
+ return $css;
+ }
+}
+
?>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 01:32:32 +0000