examples/showcase/lists.vm

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##   http://www.apache.org/licenses/LICENSE-2.0
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#title( 'ListTool' )
<p>
#set( $demo = $text.demo )
$demo.thisPage.insert("#doclink( 'ListTool' true )").
Once Velocity 1.6 is released, this tool will be obsolete since
Velocity 1.6 now allows all List methods to be called directly on arrays
within templates.
</p>

#demoTableStart()

## set quote character to empty string so values are not treated as strings
#set( $quote = '' )

#set( $desc = 'Checks if a List/array contains a certain element.' )
#demo2( 'lists' 'contains' 5 $desc )

#set( $desc = 'Gets the specified element of a List/array.' )
#demo2( 'lists' 'get' 5 $desc )

#set( $desc = 'Checks if an object is an array.' )
#demo1( 'lists' 'isArray' 3 $desc)

#set( $desc = 'Checks if a List/array is empty.' )
#demo1( 'lists' 'isEmpty' 3 $desc)

#set( $desc = 'Checks if an object is a List.' )
#demo1( 'lists' 'isList' 3 $desc)

#set( $desc = 'Sets the specified element of a List/array.' )
#demo3( 'lists' 'set' 5 $desc )

#set( $desc = 'Gets the size of a List/array.' )
#demo1( 'lists' 'size' 3 $desc)

#demoCustom( 'lists' )
</table>

#set( $primes = [1, 2, 3, 5, 7, 11] )
<div align="center">
  <a name="fullDemo"><h3>$demo.mainExampleHeader</h3></a>
<form method="post" action="$link.self.anchor('fullDemo')">
<textarea name="demo" rows="7" cols="65">##
#if( $params.demo )##
$params.demo##
#else##
${esc.d}primes
${esc.d}lists.size(${esc.d}primes)
${esc.d}lists.get(${esc.d}primes, 2)
${esc.d}lists.set(${esc.d}primes, 2, 1)
${esc.d}lists.get(${esc.d}primes, 2)
${esc.d}lists.isEmpty(${esc.d}primes)
${esc.d}lists.contains(${esc.d}primes, 7)##
#end##
</textarea>
  <br>
  <input type="submit" value="$demo.try">
  #if( $params.layout )
  <input type="hidden" name="layout" value="$params.layout">
  #end
</form>

#if( $params.demo )
$demo.mainResultsIntro:
<pre>
  $render.eval($params.demo)
</pre>
#end
</div>