David
From: "Hue Holleran" <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List \(E-mail\)" <[EMAIL PROTECTED]>
Subject: [Tiles] Tiles vs. Custom Tag - anyone have a view?
Date: Wed, 6 Nov 2002 18:01:34 -0000
We've been using tiles extensively in an app and it has been extremely
effective - as one might expect for including "tiles" of information on a
page and consolidating standard layout into templates - however I'm
concerned that we might be going too far in its use... and using it where we
might otherwise have used a custom tag:
For a single img that is used extensively in an app that has
mouseover/out/down behaviour, e.g. (in HTML - lots of code left out
deliberately here):
<img src="/images/navigation/right.gif"
onmouseover="javascript:setImg(this,'/images/right_hot.gif')"
onmousedown="javascript:setImg(this,'/images/right_hot_down.gif')"
onmouseout="javascript:setImg(this,'/images/right.gif')">
This can be much simplified to including a "tile" of just this control:
<tiles:insert template="/tiles-components/controls/imgactive.jsp">
<tiles:put imgName="/images/right" />
</tiles:insert>
The alternative would be a custom tag, e.g:
<sshtml:imgactive imgName="/images/navigation/right" />
Which is obviously much easier to include but so much less flexible -
requiring editing tag handler java code to edit html - and all of the issues
this entails - tiles allows us to edit the html in a nice easy jsp. This is
much more effective for complete chunks of html and has saved huge amounts
of time for large "composite controls" that we have everywhere.
I feel it is neater but am concerned we are introducing too much processing
for just producing the html for the control - does anyone else have a view
on this ... any comments appreciated (even "Stupid Idea" if this is).
(code for the template is included below).
Thanks,
Hue.
/tiles-components/controls/imgactive.jsp
----------------------------------------
<%@ taglib uri="/WEB-INF/struts-tiles.tld" prefix="tiles" %>
<img src="<tiles:getAsString name='imgName'/>.gif"
onmouseover="javascript:setImg(this,'<tiles:getAsString
name='imgName'/>_hot.gif');"
onmousedown="javascript:setImg(this,'<tiles:getAsString
name='imgName'/>_hot_down.gif')"
onmouseout="javascript:setImg(this,'<tiles:getAsString
name='imgName'/>.gif')">
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