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-rw-r--r--include/template.class.php335
-rw-r--r--themes/default/template/footer.tpl1
-rw-r--r--themes/default/template/header.tpl5
-rw-r--r--themes/default/template/include/datepicker.inc.tpl14
-rw-r--r--themes/default/template/include/resize.inc.tpl13
-rw-r--r--themes/default/template/index.tpl1
-rw-r--r--themes/default/template/picture.tpl8
-rw-r--r--themes/default/template/search.tpl15
8 files changed, 367 insertions, 25 deletions
diff --git a/include/template.class.php b/include/template.class.php
index 161b7361e..d41cd3cf4 100644
--- a/include/template.class.php
+++ b/include/template.class.php
@@ -43,10 +43,14 @@ class Template {
// used by html_head smarty block to add content before </head>
var $html_head_elements = array();
+ var $scriptLoader;
+ var $html_footer_raw_script = array();
+
function Template($root = ".", $theme= "", $path = "template")
{
global $conf, $lang_info;
+ $this->scriptLoader = new ScriptLoader;
$this->smarty = new Smarty;
$this->smarty->debugging = $conf['debug_template'];
$this->smarty->compile_check = $conf['template_compile_check'];
@@ -82,6 +86,9 @@ class Template {
$this->smarty->register_modifier( 'explode', array('Template', 'mod_explode') );
$this->smarty->register_modifier( 'get_extent', array(&$this, 'get_extent') );
$this->smarty->register_block('html_head', array(&$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') );
+ $this->smarty->register_block('footer_script', array(&$this, 'block_footer_script') );
$this->smarty->register_function('known_script', array(&$this, 'func_known_script') );
$this->smarty->register_prefilter( array('Template', 'prefilter_white_space') );
if ( $conf['compiled_template_cache_language'] )
@@ -376,6 +383,26 @@ class Template {
function flush()
{
+ if (!$this->scriptLoader->did_head())
+ {
+ $search = "\n</head>";
+ $pos = strpos( $this->output, $search );
+ if ($pos !== false)
+ {
+ $scripts = $this->scriptLoader->get_head_scripts();
+ $content = array();
+ foreach ($scripts as $id => $script)
+ {
+ $content[]=
+ '<script type="text/javascript" src="'
+ . Template::make_script_src($script)
+ .'"></script>';
+ }
+
+ $this->output = substr_replace( $this->output, "\n".implode( "\n", $content ), $pos, 0 );
+ } //else maybe error or warning ?
+ }
+
if ( count($this->html_head_elements) )
{
$search = "\n</head>";
@@ -472,6 +499,119 @@ class Template {
$this->block_html_head(null, $content, $smarty, $repeat);
}
}
+
+ function func_combine_script($params, &$smarty)
+ {
+ if (!isset($params['id']))
+ {
+ $smarty->trigger_error("combine_script: missing 'id' parameter", E_USER_ERROR);
+ }
+ $load = 0;
+ if (isset($params['load']))
+ {
+ switch ($params['load'])
+ {
+ case 'header': break;
+ case 'footer': $load=1; break;
+ case 'async': $load=2; break;
+ default: $smarty->trigger_error("combine_script: invalid 'load' parameter", E_USER_ERROR);
+ }
+ }
+ $this->scriptLoader->add( $params['id'], $load,
+ empty($params['require']) ? array() : explode( ',', $params['require'] ),
+ @$params['path'],
+ isset($params['version']) ? $params['version'] : 0 );
+ }
+
+
+ function func_get_combined_scripts($params, &$smarty)
+ {
+ if (!isset($params['load']))
+ {
+ $smarty->trigger_error("get_combined_scripts: missing 'load' parameter", E_USER_ERROR);
+ }
+ $load = $params['load']=='header' ? 0 : 1;
+ $content = array();
+
+ if ($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>';
+ }
+ }
+ else
+ {
+ if (!$this->scriptLoader->did_head())
+ fatal_error('get_combined_scripts didn\'t call header');
+ $scripts = $this->scriptLoader->get_footer_scripts();
+ foreach ($scripts[0] as $id => $script)
+ {
+ $content[]=
+ '<script type="text/javascript" src="'
+ . Template::make_script_src($script)
+ .'"></script>';
+ }
+ if (count($this->html_footer_raw_script))
+ {
+ $content[]= '<script type="text/javascript">';
+ $content = array_merge($content, $this->html_footer_raw_script);
+ $content[]= '</script>';
+ }
+
+ if (count($scripts[1]))
+ {
+ $content[]= '<script type="text/javascript">';
+ $content[]= '(function() {
+ var after = document.getElementsByTagName(\'script\')[document.getElementsByTagName(\'script\').length-1];
+ var s;';
+ foreach ($scripts[1] as $id => $script)
+ {
+ $content[]=
+ 's=document.createElement(\'script\'); s.type = \'text/javascript\'; s.async = true; s.src = \''
+ . Template::make_script_src($script)
+ .'\';';
+ $content[]= 'after = after.parentNode.insertBefore(s, after);';
+ }
+ $content[]= '})();';
+ $content[]= '</script>';
+ }
+ }
+ return implode("\n", $content);
+ }
+
+
+ private static function make_script_src( $script )
+ {
+ $ret = '';
+ if ( url_is_remote($script->path) )
+ $ret = $script->path;
+ else
+ {
+ $ret = get_root_url().$script->path;
+ if ($script->version!==false)
+ {
+ $ret.= '?v'. ($script->version ? $script->version : PHPWG_VERSION);
+ }
+ }
+ return $ret;
+ }
+
+ function block_footer_script($params, $content, &$smarty, &$repeat)
+ {
+ $content = trim($content);
+ if ( !empty($content) )
+ { // second call
+ $this->html_footer_raw_script[] = $content;
+ }
+ }
/**
* This function allows to declare a Smarty prefilter from a plugin, thus allowing
@@ -644,4 +784,199 @@ class PwgTemplateAdapter
}
}
+
+final class Script
+{
+ public $load_mode;
+ public $precedents = array();
+ public $path;
+ public $version;
+ public $extra = array();
+
+ function Script($load_mode, $precedents, $path, $version)
+ {
+ $this->load_mode = $load_mode;
+ $this->precedents = $precedents;
+ $this->path = $path;
+ $this->version = $version;
+ }
+
+ function set_path($path)
+ {
+ if (!empty($path))
+ $this->path = $path;
+ }
+}
+
+
+/** Manage a list of required scripts for a page, by optimizing their loading location (head, bottom, async)
+and later on by combining them in a unique file respecting at the same time dependencies.*/
+class ScriptLoader
+{
+ private $registered_scripts;
+ private $did_head;
+ private static $known_paths = array(
+ 'core.scripts' => 'themes/default/js/scripts.js',
+ 'jquery' => 'themes/default/js/jquery.min.js',
+ 'jquery.ui' => 'themes/default/js/ui/packed/ui.core.packed.js'
+ );
+
+ function __construct()
+ {
+ $this->clear();
+ }
+
+ function clear()
+ {
+ $this->registered_scripts = array();
+ $this->did_head = false;
+ }
+
+ function add($id, $load_mode, $require, $path, $version=0)
+ {
+ if ($this->did_head && $load_mode==0 )
+ {
+ trigger_error("Attempt to add a new script $id but the head has been written", E_USER_WARNING);
+ }
+ if (! isset( $this->registered_scripts[$id] ) )
+ {
+ $script = new Script($load_mode, $require, $path, $version);
+ self::fill_well_known($id, $script);
+ $this->registered_scripts[$id] = $script;
+ }
+ else
+ {
+ $script = & $this->registered_scripts[$id];
+ if (count($require))
+ {
+ $script->precedents = array_unique( array_merge($script->precedents, $require) );
+ }
+ $script->set_path($path);
+ if ($version && version_compare($script->version, $version)<0 )
+ $script->version = $version;
+ if ($load_mode < $script->load_mode)
+ $script->load_mode = $load_mode;
+ }
+ }
+
+ function did_head()
+ {
+ return $this->did_head;
+ }
+
+ private static function fill_well_known($id, $script)
+ {
+ if ( empty($script->path) && isset(self::$known_paths[$id]))
+ {
+ $script->path = self::$known_paths[$id];
+ }
+ if ( strncmp($id, 'jquery.', 7)==0 )
+ {
+ if ( !in_array('jquery', $script->precedents ) )
+ $script->precedents[] = 'jquery';
+ if ( strncmp($id, 'jquery.ui.', 10)==0 && !in_array('jquery.ui', $script->precedents ) )
+ $script->precedents[] = 'jquery.ui';
+ }
+ }
+
+ function get_head_scripts()
+ {
+ do
+ {
+ $changed = false;
+ foreach( $this->registered_scripts as $id => $script)
+ {
+ $load = $script->load_mode;
+ if ($load==0)
+ continue;
+ if ($load==2)
+ $load=1; // we are async -> a predecessor cannot be async because the script execution order is not guaranteed
+ foreach( $script->precedents as $precedent)
+ {
+ if ( !isset($this->registered_scripts[$precedent] ) )
+ {
+ trigger_error("Script $id requires undefined script $precedent", E_USER_WARNING);
+ continue;
+ }
+ if ( $this->registered_scripts[$precedent]->load_mode > $load )
+ {
+ $this->registered_scripts[$precedent]->load_mode = $load;
+ $changed = true;
+ }
+ }
+ }
+ }
+ while ($changed);
+
+ foreach( array_keys($this->registered_scripts) as $id )
+ {
+ $this->compute_script_topological_order($id);
+ }
+
+ uasort($this->registered_scripts, array('ScriptLoader', 'cmp_by_mode_and_order'));
+
+ $result = array();
+ foreach( $this->registered_scripts as $id => $script)
+ {
+ if ($script->load_mode > 0)
+ break;
+ if ( !empty($script->path) )
+ $result[$id] = $script;
+ else
+ trigger_error("Script $id has an undefined path", E_USER_WARNING);
+ }
+ $this->did_head = true;
+ return $result;
+ }
+
+ function get_footer_scripts()
+ {
+ if (!$this->did_head)
+ {
+ trigger_error("Attempt to write footer scripts without header scripts", E_USER_WARNING);
+ }
+ $result = array( array(), array() );
+ foreach( $this->registered_scripts as $id => $script)
+ {
+ if ($script->load_mode > 0)
+ {
+ if ( !empty( $script->path ) )
+ {
+ $result[$script->load_mode-1][$id] = $script;
+ }
+ else
+ trigger_error("Script $id has an undefined path", E_USER_WARNING);
+ }
+ }
+ return $result;
+ }
+
+ private function compute_script_topological_order($script_id)
+ {
+ if (!isset($this->registered_scripts[$script_id]))
+ {
+ trigger_error("Undefined script $script_id is required by someone", E_USER_WARNING);
+ return 0;
+ }
+ $script = & $this->registered_scripts[$script_id];
+ if (isset($script->extra['order']))
+ return $script->extra['order'];
+ if (count($script->precedents) == 0)
+ return ($script->extra['order'] = 0);
+ $max = 0;
+ foreach( $script->precedents as $precedent)
+ $max = max($max, $this->compute_script_topological_order($precedent) );
+ $max++;
+ return ($script->extra['order'] = $max);
+ }
+
+ private static function cmp_by_mode_and_order($s1, $s2)
+ {
+ $ret = $s1->load_mode - $s2->load_mode;
+ if (!$ret)
+ $ret = $s1->extra['order'] - $s2->extra['order'];
+ return $ret;
+ }
+}
+
?>
diff --git a/themes/default/template/footer.tpl b/themes/default/template/footer.tpl
index 671c92d55..90b445ca4 100644
--- a/themes/default/template/footer.tpl
+++ b/themes/default/template/footer.tpl
@@ -18,6 +18,7 @@
<a href="mailto:{$CONTACT_MAIL}?subject={'A comment on your site'|@translate|@escape:url}">{'Webmaster'|@translate}</a>
{/if}
+{get_combined_scripts load='footer'}
{if isset($footer_elements)}
{foreach from=$footer_elements item=v}
diff --git a/themes/default/template/header.tpl b/themes/default/template/header.tpl
index bb42c7289..36222e268 100644
--- a/themes/default/template/header.tpl
+++ b/themes/default/template/header.tpl
@@ -40,12 +40,15 @@
{if isset($U_PREFETCH) }<link rel="prefetch" href="{$U_PREFETCH}">{/if}
{if not empty($page_refresh) }<meta http-equiv="refresh" content="{$page_refresh.TIME};url={$page_refresh.U_REFRESH}">{/if}
-
+{*
<script type="text/javascript" src="{$ROOT_URL}themes/default/js/scripts.js"></script>
+*}
<!--[if lt IE 7]>
<script type="text/javascript" src="{$ROOT_URL}themes/default/js/pngfix.js"></script>
<![endif]-->
+{get_combined_scripts load='header'}
+
{if not empty($head_elements)}
{foreach from=$head_elements item=elt}{$elt}
{/foreach}
diff --git a/themes/default/template/include/datepicker.inc.tpl b/themes/default/template/include/datepicker.inc.tpl
index de3918cb3..0ed844942 100644
--- a/themes/default/template/include/datepicker.inc.tpl
+++ b/themes/default/template/include/datepicker.inc.tpl
@@ -1,24 +1,24 @@
-{known_script id="jquery" src=$ROOT_URL|@cat:"themes/default/js/jquery.packed.js"}
-{known_script id="jquery.ui" src=$ROOT_URL|@cat:"themes/default/js/ui/packed/ui.core.packed.js"}
-{known_script id="jquery.ui.datepicker" src=$ROOT_URL|@cat:"themes/default/js/ui/packed/ui.datepicker.packed.js"}
-{known_script id="datepicker.js" src=$ROOT_URL|@cat:"themes/default/js/datepicker.js"}
+{combine_script id='jquery' load='footer' path='themes/default/js/jquery.packed.js'}
+{combine_script id='jquery.ui' load='footer' require='jquery' path='themes/default/js/ui/packed/ui.core.packed.js'}
+{combine_script id='jquery.ui.datepicker' load='footer' require='jquery.ui' path='themes/default/js/ui/packed/ui.datepicker.packed.js'}
+{combine_script id='datepicker.js' load='footer' require='jquery.ui.datepicker' path='themes/default/js/datepicker.js'}
{assign var="datepicker_language" value="themes/default/js/ui/i18n/ui.datepicker-"|@cat:$lang_info.code|@cat:".js"}
{if "PHPWG_ROOT_PATH"|@constant|@cat:$datepicker_language|@file_exists}
-{known_script id="jquery.ui.datepicker-$lang_info.code" src=$ROOT_URL|@cat:$datepicker_language}
+{combine_script id="jquery.ui.datepicker-$lang_info.code" path=$datepicker_language}
{/if}
{html_head}
<link rel="stylesheet" type="text/css" href="{$ROOT_URL}themes/default/js/ui/theme/ui.datepicker.css">
{/html_head}
-<script type="text/javascript">
+{footer_script}
function pwg_initialization_datepicker(day, month, year, linked_date, checked_on_change, min_linked_date, max_linked_date)
{ldelim}
return pwg_common_initialization_datepicker(
"{$ROOT_URL}{$themeconf.icon_dir}/datepicker.png",
day, month, year, linked_date, checked_on_change, min_linked_date, max_linked_date);
}
-</script>
+{/footer_script}
diff --git a/themes/default/template/include/resize.inc.tpl b/themes/default/template/include/resize.inc.tpl
index 30a637563..5165f49a5 100644
--- a/themes/default/template/include/resize.inc.tpl
+++ b/themes/default/template/include/resize.inc.tpl
@@ -1,10 +1,9 @@
-{known_script id="jquery" src=$ROOT_URL|@cat:"themes/default/js/jquery.packed.js"}
-{known_script id="jquery.ui" src=$ROOT_URL|@cat:"themes/default/js/ui/packed/ui.core.packed.js"}
-{known_script id="jquery.ui.resizable" src=$ROOT_URL|@cat:"themes/default/js/ui/packed/ui.resizable.packed.js"}
+{combine_script id='jquery' load='footer' path='themes/default/js/jquery.packed.js'}
+{combine_script id='jquery.ui' load='footer' require='jquery' path='themes/default/js/ui/packed/ui.core.packed.js'}
+{combine_script id='jquery.ui.resizable' load='footer' require='jquery.ui' path='themes/default/js/ui/packed/ui.resizable.packed.js'}
{* Resize possible *}
-{literal}
-<script type="text/javascript">
+{footer_script}{literal}
jQuery().ready(function(){
// Resize possible for list
jQuery(".categoryList").resizable({
@@ -18,5 +17,5 @@
ghost: true
});
});
-</script>
-{/literal}
+{/literal}{/footer_script}
+
diff --git a/themes/default/template/index.tpl b/themes/default/template/index.tpl
index 5db0b6e3c..37f577f84 100644
--- a/themes/default/template/index.tpl
+++ b/themes/default/template/index.tpl
@@ -27,6 +27,7 @@
{/if}
{if isset($U_SEARCH_RULES) }
+ {combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
<li><a href="{$U_SEARCH_RULES}" onclick="popuphelp(this.href); return false;" title="{'Search rules'|@translate}" rel="nofollow"><img src="{$ROOT_URL}{$themeconf.icon_dir}/search_rules.png" class="button" alt="(?)"></a></li>
{/if}
diff --git a/themes/default/template/picture.tpl b/themes/default/template/picture.tpl
index 00e548609..220790059 100644
--- a/themes/default/template/picture.tpl
+++ b/themes/default/template/picture.tpl
@@ -59,6 +59,7 @@
<a href="{$U_ADMIN}" title="{'Modify information'|@translate}"><img src="{$ROOT_URL}{$themeconf.icon_dir}/preferences.png" class="button" alt="{'edit'|@translate}"></a>
{/if}
{if isset($U_CADDIE) }{*caddie management BEGIN*}
+{combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
<script type="text/javascript">
{literal}function addToCadie(aElement, rootUrl, id)
{
@@ -208,15 +209,17 @@ y.callService(
<input type="submit" name="rate" value="{$mark}" class="rateButton" title="{$mark}">
{/if}
{/foreach}
+ {combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
+ {combine_script id='rating' load='async' require='core.scripts' path='themes/default/js/rating.js'}
<script type="text/javascript">
var _pwgRatingAutoQueue = _pwgRatingAutoQueue || [];
_pwgRatingAutoQueue.push( {ldelim}rootUrl: '{$ROOT_URL|@escape:"javascript"}', image_id: {$current.id},
updateRateText: "{'Update your rating'|@translate|@escape:'javascript'}", updateRateElement: document.getElementById("updateRate"),
ratingSummaryText: "{'%.2f (rated %d times)'|@translate|@escape:'javascript'}", ratingSummaryElement: document.getElementById("ratingSummary") {rdelim} );
- (function () {ldelim}
+ /*(function () {ldelim}
var s = document.createElement('script'); s.type = 'text/javascript'; s.async = true; s.src = '{$ROOT_URL}themes/default/js/rating.js';
var s0 = document.getElementsByTagName('script')[0]; s0.parentNode.insertBefore(s, s0);
- })();
+ })();*/
</script>
</div>
</form>
@@ -228,6 +231,7 @@ y.callService(
<tr id="Privacy">
<td class="label">{'Who can see this photo?'|@translate}</td>
<td class="value">
+{combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
<script type="text/javascript">
{literal}function setPrivacyLevel(selectElement, rootUrl, id, level)
{
diff --git a/themes/default/template/search.tpl b/themes/default/template/search.tpl
index 5ad8dee96..cc958f7dd 100644
--- a/themes/default/template/search.tpl
+++ b/themes/default/template/search.tpl
@@ -1,26 +1,25 @@
{* Example of resizeable *}
-{*
+
{include file='include/resize.inc.tpl'}
-*}
+
{* Example of datepicker *}
-{*
+
{include file='include/datepicker.inc.tpl'}
-{literal}
-<script type="text/javascript">
+{footer_script}{literal}
pwg_initialization_datepicker("#start_day", "#start_month", "#start_year", "#start_linked_date", null, null, "#end_linked_date");
pwg_initialization_datepicker("#end_day", "#end_month", "#end_year", "#end_linked_date", null, "#start_linked_date", null);
jQuery().ready(function(){ $(".date_today").hide(); });
-</script>
-{/literal}
-*}
+{/literal}{/footer_script}
+
<div id="content" class="content">
<div class="titrePage">
<ul class="categoryActions">
+ {combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
<li><a href="{$U_HELP}" onclick="popuphelp(this.href); return false;" title="{'Help'|@translate}" rel="nofollow"><img src="{$ROOT_URL}{$themeconf.icon_dir}/help.png" class="button" alt="(?)"></a></li>
<li><a href="{$U_HOME}" title="{'Home'|@translate}" rel="Home"><img src="{$ROOT_URL}{$themeconf.icon_dir}/home.png" class="button" alt="{'Home'|@translate}"></a></li>
</ul>