On Sat, 2004-01-24 at 01:53, Hamid Hossain wrote:
> Hi,
>
> Always I have a problem that I don't know how to make my code away from the
> user interface files.
>
> I tried to use some template classes, but I did'nt like what I tired because
> some if statments are used inside the template.
>
> How can I prepare my code to be working in more that one template? Should I
> use some methodology like FuseBox.org
A common misconception is that templates provide complete separation
from logic, this is untrue. Template frameworks (the best ones) provide
separation of business logic from presentation logic. So using an "if"
statement inside a template is completely normal if it pertains to the
display logic. So for instance the following is generally valid in a
template (using InterJinn's syntax since I'm writing this :):
<jinn:if name="userSummary" test="{jinn:getValue name=loginStatus}">
<p class="userSummary"> Display information about the user in
some template formatted fashion that will only be displayed if
the user is logged in.</p>
</jinn:if>
Whereas something like the following would not be appropriate template
logic:
<notjinn:setValue name="timeLeft" expr="($age + 3) / 2" />
<jinn:echo value="{jinn:getValue name=timeLeft}" />
Since th calculation for timeLeft would almost certainly be business
logic.
HTH,
Rob.
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