Hey Jeff-
I think the proposed solution below makes sense. Could you create a
ticket for this? If you can also create a patch, that would get this
one step closer.
http://trac.osgeo.org/openlayers/wiki/HowToContribute
Thanks,
Tim
On 3/8/11 10:27 AM, Jeff Dege wrote:
IE has a limit of 31 style sheets, whether created with <style>, <link>,
or document.createStyleSheet.
Of course, most folks will implement some sort of style sheet merging
and minifying mechanism in production, because too many style sheets is
a performance killer, but keeping separate style sheets can make
development easier.
We have a page that is hitting the limit, and the error is occurring in
the VML renderer of a Vector Layer.
OpenLayers.Renderer.VML.intialize() contains:
var style = document.createStyleSheet();
And this throws an exception, if there are already 31 style sheets on
the page.
Browsing around on the issue led me to this blog entry:
http://dean.edwards.name/weblog/2010/02/bug85/
Comment 15 says that he avoids the error by appending his new style
rules to the last style sheet object, when creating a new one throws an
error:
var sheet = null;
try {
sheet = document.createStyleSheet ();
sheet.cssText = cssText;
} catch (e) {
sheet = document.styleSheets[document.styleSheets.length - 1];
sheet.cssText += "\r\n" + cssText;
}
I’m wondering if this might be a good idea in OpenLayers.
Thoughts?
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Tim Schaub
OpenGeo - http://opengeo.org
Expert service straight from the developers.
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