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From Matthias We├čendorf (JIRA) <adffaces-iss...@incubator.apache.org>
Subject [jira] Updated: (ADFFACES-370) Need to avoid IE's number of CSS selectors limitation
Date Fri, 16 Mar 2007 08:41:28 GMT

     [ https://issues.apache.org/jira/browse/ADFFACES-370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias We├čendorf updated ADFFACES-370:
----------------------------------------

    Affects Version/s: 1.0.1-incubating-core-SNAPSHOT

> Need to avoid IE's number of CSS selectors limitation
> -----------------------------------------------------
>
>                 Key: ADFFACES-370
>                 URL: https://issues.apache.org/jira/browse/ADFFACES-370
>             Project: MyFaces ADF-Faces
>          Issue Type: Bug
>    Affects Versions: 1.0.1-incubating-core-SNAPSHOT
>            Reporter: Jeanne Waldman
>
> it turns out that IE has a limit to the size of a CSS file. It's not the actual size
of the file, but rather it is the
> # of CSS selectors. I did a test and found out that the limit is 4095 CSS selectors.
> Firefox doesn't appear to have a limit.
> As you may know, the CSS file we generate contains both compressed and uncompressed styles,
like this:
> .af_inputText_content, .x01 {background-color: blue}
> Our renderers render a shortened styleclass, unless
> the DISABLE_CONTENT_COMPRESSION flag is set to true in web.xml, then it renders the long
styleclass.
> <input class="x01...>
> Ok, that's the background.
> *The problem* is that because we have a lot of custom components that we've built on
top of Trinidad, and our customers
> have built custom components, etc, and these all have skinning,
> we have bumped up against the 4095 selector limit in IE. All selectors after the 4095th
one are ignored.
> *A quick fix*, and probably a good one for a long time, is to render the styles in compressed
mode when compression is on,
> or in uncompressed mode when compression if off. That will reduce our style selectors
by 1/2, and will help performance to boot. :)
> I can also add a warning if we go past 4095 selectors for IE.
> Another solution is to break up the file into multiple files when I've reached the limit
in one file, and include
> all the css files into the rendered page. I can do this in addition to the quick fix
when I have more time.

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