{if $smarty.request.parent} {init_objects name="roots" parent=$smarty.request.parent|@intval classes=$smarty.request.show|default:"section"} {else} {init_objects name="roots" parent_system_alias="home" classes=$smarty.request.show|default:"section"} {/if} {assign var="tree" value=$roots|@array_reverse} {foreach from=$tree item="tree_item"} {$tree_levels|@array_push:0} {/foreach} {assign var="loop_control" value=true} {if sizeof($tree)} {strip}

{while var="loop_control"} {assign var="node" value=$tree|@array_pop} {assign var="node_level" value=$tree_levels|@array_pop} {assign var="next_key" value=$tree|@sizeof} {assign var="next_key" value=$next_key-1} {assign var="next" value=$tree.$next_key}
• {$node->buttons}{$node->title} {init_objects name="children" parent=$node->id classes=$smarty.request.show|default:"section"} {assign var="children" value=$children|@array_reverse} {if sizeof($children)}
  {/if} {* close the children list, if there isn't anymore children and there is a next node and current level is greater than than the next nodes level *} {if !sizeof($children) && $next && $tree_levels.$next_key < $node_level} {section name="pages" loop=$node_level-$tree_levels.$next_key name="closing_loop"} {* close the node print out if this is the first close *} {if $smarty.section.closing_loop.first}{/if}
  {/section} {* else if this is the last node close the tree up to 0 level *} {elseif !sizeof($children) && !$next} {section name="pages" loop=$node_level name="closing_loop"} {* close the node print out if this is the first close *} {if $smarty.section.closing_loop.first}
{/if}

{/section} {/if} {* close the node print out if there is no children for this node *} {if !sizeof($children)} {/if} {* put the children into the tree for travelling + their level *} {foreach from=$children item="child"} {$tree|@array_push:$child} {$tree_levels|@array_push:$node_level+1} {/foreach} {* close the while loop if there is no more nodes to travel *} {if sizeof($tree) == 0} {assign var="loop_control" value=false} {/if} {/while} {* close the list *} {/strip} {/if}{* sizeof($tree) *}