/**
* Recursively formats the navigation sitemap, building a string of nested <ul>s.
*/
function format_navigation($input, $exclusions = array(), $include_sub_nav = false, $top_level = true)
{
global $_section, $_name;
# only include the item's id for top level nav items
$include_id = $top_level;
$nav_string = '';
foreach ($input as $key => $value) {
if (!in_array($key, $exclusions)) {
$current = $top_level ? $_section : $_name;
$li_string = '';
if (is_string($value)) {
$li_string .= format_nav_link($key, $value, $include_id);
} else {
$section_link = get_section_link($key, $value);
# add .head class for jquery accordion
$class = is_array($value) && $include_sub_nav && $top_level ? 'head' : '';
$li_string .= format_nav_link($key, $section_link, $include_id, $class);
if (is_array($value) && $include_sub_nav) {
# recurse through nested navigation
$li_string .= format_navigation($value, $exclusions, true, false);
}
}
$li_tag_options = get_nav_attributes($current, $key, $input);
# append class names to <li>
$nav_string .= content_tag('li', $li_string, $li_tag_options);
}
}
return content_tag('ul', $nav_string);
}
function test_format_nav_link()
{
$this->assertIdentical(format_nav_link('Lorem Ipsum'), '<a href="lorem-ipsum.php">Lorem Ipsum</a>' . "\n");
$this->assertIdentical(format_nav_link('Lorem Ipsum®'), '<a href="lorem-ipsum.php">Lorem Ipsum®</a>' . "\n");
$this->assertIdentical(format_nav_link('Lorem Ipsum', 'http://google.com'), '<a href="http://google.com">Lorem Ipsum</a>' . "\n");
$this->assertIdentical(format_nav_link('Lorem Ipsum®', '', true), '<a href="lorem-ipsum.php" id="lorem-ipsum">Lorem Ipsum®</a>' . "\n");
}