## Licensed to the Apache Software Foundation (ASF) under one
## or more contributor license agreements.  See the NOTICE file
## distributed with this work for additional information
## regarding copyright ownership.  The ASF licenses this file
## to you under the Apache License, Version 2.0 (the
## "License"); you may not use this file except in compliance
## with the License.  You may obtain a copy of the License at
##
##   http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing,
## software distributed under the License is distributed on an
## "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
## KIND, either express or implied.  See the License for the
## specific language governing permissions and limitations
## under the License.
#title( 'ViewRenderTool' )
<p>
This page demonstrates functions of the #doclink( 'ViewRenderTool' false ).
</p>

#demoTableStart()

#set( $quote = "'" )
#set( $desc = 'Evaluates a String containing VTL using the current context, and returns the result as a String.' )
#demo1( 'render' 'eval' 15 $desc)

#set( $desc = 'Recursively evaluates a String containing VTL using the current context, and returns the result as a String.' )
#demo1( 'render' 'recurse' 15 $desc )

#demoCustom( 'render' )
</table>

<div align="center">
  <a name="fullDemo"><h3>Example Display</h3></a>
<form method="post" action="$link.self.anchor('fullDemo')">
<textarea name="demo" rows="7" cols="65">##
#if( $params.demo )##
$params.demo##
#else##
${esc.h}${esc.h}Example of eval():
${esc.h}set( ${esc.d}list = [1,2,3] )
${esc.h}set( ${esc.d}object = '${esc.d}list' )
${esc.h}set( ${esc.d}method = 'size()' )
${esc.d}render.eval("${esc.d}{object}.${esc.d}method")

${esc.h}${esc.h}Example of recurse():
${esc.h}macro( say_hi )hello world!${esc.h}end
${esc.h}set( ${esc.d}foo = '${esc.h}say_hi()' )
${esc.h}set( ${esc.d}bar = '${esc.d}foo' )
${esc.d}render.recurse('${esc.d}bar')##
#end##
</textarea>
  <br>
  <input type="submit" value="Try it!">
  #if( $params.layout )
  <input type="hidden" name="layout" value="$params.layout">
  #end
</form>

#if( $params.demo )
Your code returned the following results:
<pre>
  $render.eval($params.demo)
</pre>
#end
</div>