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[SOLVED] Global functions callable from templates?
3 February 2012 at 1:02am
Hi,
Sorry if this is an obvious one. I've done some searching and can't find quite what I'm after. I'm converting a template site to SilverStripe. I have a collection of global PHP functions and they are site wide. i.e. I have a helper function for constructing external links with the html. Now in SS I try:
some_page.ss
...
<p>Get your link here</p>$ExternalLink(~url~, ~link text~)
...Which is meant to output:
<p>Get your link here</p><a class="external" href="~url~" target="_blank">~link text~</a>I initially placed this in the Page_Controller and so Page.ss works fine. Now I've tried it on a different page type and it obviously doesn't work. In C++ I would have something like "class LinkUtils { public: static void create_external_link(...); };" and happily call "LinkUtils::create_external_link();". You get the idea. But SS?
Bashing head.
J.
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Re: [SOLVED] Global functions callable from templates?
3 February 2012 at 2:16am
If your NewPage class is a subclass of the Page class, then your public methods in Page class are available in your NewPage class too and callable via your templates.
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Re: [SOLVED] Global functions callable from templates?
4 February 2012 at 6:39pm Last edited: 4 February 2012 6:40pm
Yes, that does work. I discovered my problem was trying to call it within a <% control %> block. SS stays quiet on that one ...
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Re: [SOLVED] Global functions callable from templates?
8 February 2012 at 9:29pm
Once you get inside a <% control %> you're in scope of the model record you're looping over. Not the controller class. If you put the function in class Page then it will be accessible everywhere you use page. You can also put global functions on your SiteConfig class then use $SiteConfig.Function anywhere.
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Re: [SOLVED] Global functions callable from templates?
9 February 2012 at 12:22pm
Thanks for the advice. SiteConfig looks like a cleaner option. I've currently setup an interface in Page that forwards the call to my own utility class. It's a small site so I only have a small collection of unrelated functions.
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