Why not keep the fixed settings in a style class and just update the
style attribute with the current value (utilizing an AttributeModifier)?
.Needle {
z-index: 1;
width: 2px;
...
}
<span wicket:id="needle" class="Needle" style="left: 20%;"/>
Seven Corners schrieb:
I have a control with a needle that moves. The needle's value is continually
changing, so on a timer I ask the server its value and set its position with
the "left" CSS attribute, as in:
.Needle
{
z-index: 1;
width: 2px;
...
left: 20%;
}
I do have a bean that returns a percentage string for the value, and I have
verified I hit that getter when the update occurs.
It looks like I need to create an AttributeModifier for this object's style
attribute, and spit out ALL the style attributes in the model, not just the
value for the "left" style attribute. I don't want to do that, because it
hard-codes irrelevant styles attributes and I might want to change them in
the future.
I could use an AttributeAppender, but wouldn't that just add a "left" to the
end of the "style" attribute, so that over time (the timer goes off every
minute), the "style" attribute would become a really long string? Don't
want to do that either.
Is there some way just to tweak a single CSS attribute?
Thanks.
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