Great little Grails Gem

Hi All

I have not blogged for ages. Been really busy trying to get a large retail web site live for the x-mas. Any way here is little gem i found.

I need to have a drop down list of accounts a user has access to. This needs to show on every page so they can quickly change accounts. Now there are many way i could do this in grails but i thought a tag lib would fit quite well.

So basically i want a drop down select list but i want to transparently get the list of accounts from info in the session. So i figure all i have do is wrap the existing grails select taglib. Grails allows you to call existing tags from within a controller or in my case another taglib. So i simply call the grails select tag with the correct parameters and send it to the out stream.

Here is the tag lib.

class GlobalCommonTagLib {
        
        
        def accountListSelect = {attrs,body ->
            
            
            User user = User.get(session.userId)
            
            
            def accountList = user.accountAccesses.collect {it.account};
            attrs.from = accountList
            
            attrs.optionKey = 'id'
            
            attrs.optionValue = 'name'
            
            out << g.select(attrs)
            
            
        }
        
    }

Then in my GSP


<g:accountListSelect id="acountId" name="id"/>




So easy i am writing this blog with the time i saved.
Enjoy :)