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MDL-21557 potential fix for IE CSS issues in debug mode

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This commit is contained in:
Petr Skoda 2010-02-08 16:50:12 +00:00
parent 427649bfdf
commit c09e1a2cb7
2 changed files with 49 additions and 13 deletions

25
lib/outputlib.php

@ -634,16 +634,23 @@ class theme_config {
}
$baseurl = $CFG->httpswwwroot.'/theme/styles_debug.php';
foreach ($css['plugins'] as $plugin=>$unused) {
$urls[] = new moodle_url($baseurl, array('theme'=>$this->name,'type'=>'plugin', 'subtype'=>$plugin));
}
foreach ($css['parents'] as $parent=>$sheets) {
foreach ($sheets as $sheet=>$unused2) {
$urls[] = new moodle_url($baseurl, array('theme'=>$this->name,'type'=>'parent', 'subtype'=>$parent, 'sheet'=>$sheet));
if (check_browser_version('MSIE', 5)) {
// lalala, IE does not allow more than 31 linked CSS files from main document
$urls[] = new moodle_url($CFG->httpswwwroot.'/theme/styles_debug.php', array('theme'=>$this->name, 'type'=>'ie'));
} else {
foreach ($css['plugins'] as $plugin=>$unused) {
$urls[] = new moodle_url($baseurl, array('theme'=>$this->name,'type'=>'plugin', 'subtype'=>$plugin));
}
foreach ($css['parents'] as $parent=>$sheets) {
foreach ($sheets as $sheet=>$unused2) {
$urls[] = new moodle_url($baseurl, array('theme'=>$this->name,'type'=>'parent', 'subtype'=>$parent, 'sheet'=>$sheet));
}
}
foreach ($css['theme'] as $sheet=>$unused) {
$urls[] = new moodle_url($baseurl, array('sheet'=>$sheet, 'theme'=>$this->name, 'type'=>'theme')); // sheet first in order to make long urls easier to read
}
}
foreach ($css['theme'] as $sheet=>$unused) {
$urls[] = new moodle_url($baseurl, array('sheet'=>$sheet, 'theme'=>$this->name, 'type'=>'theme')); // sheet first in order to make long urls easier to read
}
}

37
theme/styles_debug.php

@ -58,7 +58,10 @@ if (!$css = file_get_contents($candidatesheet)) {
$css = unserialize($css);
if ($type === 'plugin') {
if ($type === 'ie') {
send_ie_css($themename, $css);
} else if ($type === 'plugin') {
if (isset($css['plugins'][$subtype])) {
send_uncached_css($css['plugins'][$subtype]);
}
@ -80,10 +83,10 @@ css_not_found();
// we are not using filelib because we need to fine tune all header
// parameters to get the best performance.
function send_uncached_css($css, $lifetime = THEME_DESIGNER_CACHE_LIFETIME) {
function send_uncached_css($css) {
header('Content-Disposition: inline; filename="styles_debug.php"');
header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + THEME_DESIGNER_CACHE_LIFETIME) .' GMT');
header('Pragma: ');
header('Accept-Ranges: none');
header('Content-Type: text/css');
@ -96,4 +99,30 @@ function send_uncached_css($css, $lifetime = THEME_DESIGNER_CACHE_LIFETIME) {
function css_not_found() {
header('HTTP/1.0 404 not found');
die('CSS was not found, sorry.');
}
}
function send_ie_css($themename, $css) {
$output = "/** Unfortunately IE6/7/8 does not support more than 31 CSS files, which means we have to use some ugly hacks :-( **/\n";
foreach ($css['plugins'] as $plugin=>$unused) {
$output .= "@import url(styles_debug.php?theme=$themename&type=plugin&subtype=$plugin);\n";
}
foreach ($css['parents'] as $parent=>$sheets) {
foreach ($sheets as $sheet=>$unused2) {
$output .= "@import url(styles_debug.php?theme=$themename&type=parent&subtype=$parent&sheet=$sheet);\n";
}
}
foreach ($css['theme'] as $sheet=>$unused) {
$output .= "@import url(styles_debug.php?theme=$themename&type=theme&sheet=$sheet);\n";
}
header('Content-Disposition: inline; filename="styles_debug.php"');
header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + THEME_DESIGNER_CACHE_LIFETIME) .' GMT');
header('Pragma: ');
header('Accept-Ranges: none');
header('Content-Type: text/css');
//header('Content-Length: '.strlen($output));
echo $output;
die;
}