/**
* Displays a select box containing page parents, used to filter page list by parent
*
* Relocated from the navigation plugin (bu-filter-pages.php) to remove dependency on plugin.
*
* @return boolean TRUE if the box was displayed, FALSE otherwise.
*/
function bu_filter_pages_parent_dropdown($pages_by_parent, $default = 0, $parent = 0, $level = 0)
{
$post_types = bu_navigation_supported_post_types();
if (is_array($pages_by_parent) && array_key_exists($parent, $pages_by_parent) && count($pages_by_parent) > 0) {
foreach ($pages_by_parent[$parent] as $p) {
if (!in_array($p->post_type, $post_types)) {
continue;
}
// only show valid post types
if (!array_key_exists($p->ID, $pages_by_parent)) {
continue;
}
// don't show pages with no children
$padding = str_repeat(' ', $level * 3);
$selected = $p->ID == $default ? 'selected="selected"' : '';
printf("\n\t<option value=\"%d\" %s>%s%s</option>\r", $p->ID, $selected, $padding, esc_html($p->post_title));
bu_filter_pages_parent_dropdown($pages_by_parent, $default, $p->ID, $level + 1);
}
return TRUE;
}
return FALSE;
}
/**
* Covers bu_filter_pages_parent_dropdown()
*/
public function test_bu_filter_pages_parent_dropdown()
{
$parent = $this->posts['parent'];
$child = $this->posts['child'];
$grandchild_one = $this->posts['grandchild_one'];
$pages = bu_navigation_get_pages();
$pages_by_parent = bu_navigation_pages_by_parent($pages);
$page_options_expected = "\n\t" . '<option value="' . $child . '" >Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, 0, $parent);
$page_options_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_results, $page_options_expected);
/**
* Test Default Function
*/
$page_options_default_expected = "\n\t" . '<option value="' . $child . '" selected="selected">Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $child, $parent);
$page_options_default_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_default_expected, $page_options_default_results);
/**
* Test Parent Function
*/
$page_options_parent_expected = "\n\t" . '<option value="' . $grandchild_one . '" >Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, 0, $child);
$page_options_parent_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_parent_expected, $page_options_parent_results);
/**
* Test Level Function
*/
$page_options_level_expected = "\n\t" . '<option value="' . $child . '" selected="selected"> Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $child, $parent, 2);
$page_options_level_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_level_expected, $page_options_level_results);
}
