[TYPO3-core] RFC: generation of "disabled function" icons

[René Fritz]

This is a CVS patch request.

Type: feature

Branch: TYPO3_4-0

Description: 
The idea behind it is to display currently not available function-icons in BE 
instead of hiding them. When you have a look at the screenshot it shows icons 
and two of them are greyed because the function can not be processed for the 
item. Generally the BE don't do that and I think that needs to be changed.

... anyway. The patch is just about creating the dimmed icons. That works 
transparently with t3lib_iconworks::skinImg().

For record icons there are several states which are indicated with _d, _ht and 
such suffixes. While _d was already in use I choose _i (inactive) as suffix.

So you can easily create dimmed icons by adding _i to the filename.

Example:
if ($this->disabled) {
	$iconFile = 'gfx/zoom_i.gif';
} else {
	$iconFile = 'gfx/zoom.gif';
}
$icon =	'<img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'], $iconFile, ...


Notes:
- if the file already exists nothing will be rendered
- that means hand made artwork can be used for dimmed icons
- disabled icons are rendered a bit lighter than shaded record icons to make 
it more visible that it is disabled

René

-- 
René Fritz
TYPO3 Association - Active Member
http://association.typo3.org/
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