Guys, I've been using a very simple Row Highlighter mixin for Grid
components for a while and only now I ran into an issue - it won't
work when there's another DIV element placed in the TML file before
the Grid itself. The reason is obvious - the mixin will try to locate
the Grid's table body using Element.find("div/table/tbody")... But I
don't know what a proper way to do this would be?
The code of the mixin is very simple, as the mixin class consists of a
single method:
@AfterRender
void after(MarkupWriter writer)
{
Element tbody = writer.getElement().find("div/table/tbody");
if (tbody != null)
{
for (Node rowNode : tbody.getChildren())
{
if (rowNode instanceof Element)
{
((Element) rowNode).attribute("onMouseOver",
"this.style.background='#82C7FD';");
((Element) rowNode).attribute("onMouseOut",
"this.style.background='';");
}
}
}
}
Now, I would have expected the writer.getElement() to return the
current element - for example the Grid's outer DIV element. But what
it returns is the wrapper DIV found in the Border component - the DIV
that contains the whole page. So it is obvious that the
"div/table/tbody" path will match the first DIV within a page, and if
it's not a Grid - and thus doesn't contain a table, it will fail
(tbody will be null).
But I don't know how to get hold of the right element here - that
would be the Grid that this mixin is tied to. I've tried using:
@InjectContainer
private Grid element;
This way I can get a Grid instance but I don't really know how to get
an Element instance from here.
Any ideas/clues will be highly appreciated!
Thanks,
Rado
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