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Merged revisions 37547 via svnmerge from

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svn://svn.silverstripe.com/silverstripe/modules/sapphire/branches/2.0.1-uplay

........
  r37547 | ischommer | 2007-06-29 12:36:56 +1200 (Fri, 29 Jun 2007) | 1 line
  
  added blocking
........


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@47197 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2007-12-17 21:49:49 +00:00
parent 4763f2f5c4
commit 8ece5302f7
1 changed files with 36 additions and 6 deletions
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42
core/Requirements.php
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@ -11,6 +11,7 @@ class Requirements {
private static $customCSS = array();
private static $customHeadTags = "";
private static $disabled = array();
private static $blocked = array();
/**
* Register the given javascript file as required.
@ -132,6 +133,35 @@ class Requirements {
}
}
/**
* Needed to actively prevent the inclusion of a file,
* e.g. when using your own prototype.js.
* Blocking should only be used as an exception, because
* it is hard to trace back. You can just block items with an
* ID, so make sure you add an unique identifier to customCSS() and customScript().
*
* @param string $fileOrID
*/
static function block($fileOrID) {
self::$blocked[$fileOrID] = $fileOrID;
}
/**
* Removes an item from the blocking-list.
* CAUTION: Does not "re-add" any previously blocked elements.
* @param string $fileOrID
*/
static function unblock($fileOrID) {
unset(self::$blocked[$fileOrID]);
}
/**
* Removes all items from the blocking-list.
*/
static function unblock_all() {
self::$blocked = array();
}
/**
* Restore requirements cleared by call to Requirements::clear
*/
@ -154,30 +184,30 @@ class Requirements {
$prefix = "";
$requirements = '';
foreach(Requirements::$javascript as $file => $dummy) {
foreach(array_diff_key(self::$javascript,self::$blocked) as $file => $dummy) {
if(substr($file,0,7) == 'http://' || Director::fileExists($file)) {
$requirements .= "<script type=\"text/javascript\" src=\"$prefix$file\"></script>\n";
}
}
if(Requirements::$customScript) {
if(self::$customScript) {
$requirements .= "<script type=\"text/javascript\">\n//<![CDATA[\n";
foreach(Requirements::$customScript as $script) {
foreach(array_diff_key(self::$customScript,self::$blocked) as $script) {
$requirements .= "$script\n";
}
$requirements .= "\n//]]>\n</script>\n";
}
foreach(Requirements::$css as $file => $params) {
foreach(array_diff_key(self::$css,self::$blocked) as $file => $params) {
if(Director::fileExists($file)) {
$media = (isset($params['media'])) ? " media=\"{$params['media']}\"" : "";
$requirements .= "<link rel=\"stylesheet\" type=\"text/css\"{$media} href=\"$prefix$file\" />\n";
}
}
foreach(Requirements::$customCSS as $css) {
foreach(array_diff_key(self::$customCSS,self::$blocked) as $css) {
$requirements .= "<style type=\"text/css\">\n$css\n</style>\n";
}
$requirements .= Requirements::$customHeadTags;
$requirements .= self::$customHeadTags;
if(isset($_GET['debug_profile'])) Profiler::unmark("Requirements::includeInHTML");
return eregi_replace("(</head[^>]*>)", $requirements . "\\1", $content);