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Re^4: When to use templates?

by MidLifeXis (Monsignor)
on Nov 19, 2004 at 19:56 UTC ( #409143=note: print w/replies, xml ) Need Help??

in reply to Re^3: When to use templates?
in thread When to use templates?

I agree mostly with that sentiment. However, I have found myself putting display oriented variables in my perl code lately.

For example, with HT, I would need to do a ...

# In the perl $template->param(SHOULD_I_DISPLAY_THIS => ($foo + $bar) > 2); ------- <!-- In the template --> <TMPL_IF SHOULD_I_DISPLAY_THIS>this</TMPL_IF>

With HTE, I could use...

<TMPL_IF EXPR="(FOO + BAR) > 2">this</TMPL_IF>

It leaves the display decisions in the hands of the interface / html coder, and the data collection to the perl program. It is hard (you mentioned not having a TMPL_ELSIF) to do an N (where N>2) way decision, or a decision based on the quantity of something.

Another example...

Without creating display variables in your perl code (x_gt_3, x_gt_5, ...), how would you change the style of something based on its value?

  • Green if X < 3
  • orange if 3 <= X < 5
  • red if 5 <= X

As I said above, I typically don't like using HTE, but I am running into more instances where it could prove to be useful, and would remove some of the variables controling display from my perl code.


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