/**
* Handles reordering for sections that contain children that have updated post_parent or menu_order fields
*
* @todo write unit tests
*/
public function run()
{
// error_log('======== Navman Reordering =========');
// error_log('Already moved: ' . print_r( $this->already_moved, true ) );
global $wpdb;
if (!$this->has_moves()) {
return;
}
$result = true;
// Fetch all posts in sections marked for reordering
$sections = array_keys($this->already_moved);
$posts = bu_navigation_get_pages(array('sections' => $sections, 'suppress_filter_pages' => true, 'post_status' => array('publish', 'private'), 'post_types' => $this->post_types));
$posts_by_parent = bu_navigation_pages_by_parent($posts);
// error_log('Sections for reordering: ' . print_r( $posts_by_parent, true ) );
// Loop through affected sections, reordering children as needed
foreach ($posts_by_parent as $parent_id => $children) {
$position = 1;
foreach ($children as $child) {
// Skip reorder for posts that were already moved
if (!$this->post_already_moved($child)) {
// Skip any positions that were previously set for a moved post
while ($this->position_already_set($position, $parent_id)) {
// Skip over any positions that were set for previously updated children
// error_log('Position has already been set, skipping ' . $position );
$position++;
}
// Only update if menu order has actually changed
if ($child->menu_order != $position) {
$stmt = $wpdb->prepare('UPDATE ' . $wpdb->posts . ' SET menu_order = %d WHERE ID = %d', $position, $child->ID);
$rc = $wpdb->query($stmt);
if (false === $rc) {
$error_msg = sprintf('Error updating menu order (%s) for post (%s): %s', $position, $child->post_title, $wpdb->last_error);
error_log($error_msg);
array_push($this->errors, new WP_Error('bu_navigation_reorder_error', $error_msg));
} else {
wp_cache_delete($child->ID, 'posts');
}
// Temporary logging
// error_log('Setting menu order for post "' . $child->post_title . '": ' . $position );
} else {
/* noop */
// error_log('Skipping menu order update, already correct for post ' . $child->post_title . ' (' . $position . ')' );
}
$position++;
} else {
/* noop */
// error_log('Child already has correct menu order, skipping myself (' . $child->post_title . ')');
}
}
}
// Global caches
wp_cache_delete('get_pages', 'posts');
if ($this->has_errors()) {
$result = false;
}
return $result;
}
/**
* Generate page parent select menu
*
* @uses bu_filter_pages_parent_dropdown().
*
* @param string $post_type required -- post type to filter posts for
* @param int $selected post ID of the selected post
* @param array $args optional configuration object
*
* @return string the resulting dropdown markup
*/
function bu_navigation_page_parent_dropdown($post_type, $selected = 0, $args = array())
{
$defaults = array('echo' => 1, 'select_id' => 'bu_filter_pages', 'select_name' => 'post_parent', 'select_classes' => '', 'post_status' => array('publish', 'private'));
$r = wp_parse_args($args, $defaults);
// Grab top level pages for current post type
$args = array('direction' => 'down', 'depth' => 1, 'post_types' => (array) $post_type);
$sections = bu_navigation_gather_sections(0, $args);
$args = array('suppress_filter_pages' => TRUE, 'sections' => $sections, 'post_types' => (array) $post_type, 'post_status' => (array) $r['post_status']);
$pages = bu_navigation_get_pages($args);
$pages_by_parent = bu_navigation_pages_by_parent($pages);
$options = "\n\t<option value=\"0\">" . __('Show all sections') . "</option>\r";
// Get options
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $selected);
$options .= ob_get_contents();
ob_end_clean();
$classes = !empty($r['select_classes']) ? " class=\"{$r['select_classes']}\"" : '';
$dropdown = sprintf("<select id=\"%s\" name=\"%s\"%s>\r%s\r</select>\r", $r['select_id'], $r['select_name'], $classes, $options);
if ($r['echo']) {
echo $dropdown;
}
return $dropdown;
}
/**
* 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, $page_options_level_results);
}
function bu_navigation_breadcrumbs($args = '')
{
global $post;
$defaults = array('post' => $post, 'glue' => ' » ', 'container_tag' => 'div', 'container_id' => 'breadcrumbs', 'container_class' => '', 'anchor_class' => 'crumb', 'crumb_tag' => '', 'crumb_current' => 1, 'anchor_current' => 0, 'echo' => 0, 'home' => false, 'home_label' => 'Home', 'prefix' => '', 'suffix' => '', 'include_statuses' => 'publish', 'include_hidden' => false, 'show_links' => true);
$r = wp_parse_args($args, $defaults);
if ($r['post']) {
$p = null;
if (is_numeric($r['post'])) {
$p = get_post($r['post']);
} else {
if (is_object($r['post'])) {
$p = $r['post'];
}
}
if (is_null($p)) {
error_log('bu_navigation_breadcrumbs - invalid post argument: ' . $r['post']);
return false;
}
}
// Grab ancestors
$ancestors = bu_navigation_gather_sections($p->ID, array('post_types' => $p->post_type));
if (!in_array($p->ID, $ancestors)) {
array_push($ancestors, $p->ID);
}
$exclude_filter_removed = false;
if ($r['include_hidden'] && has_filter('bu_navigation_filter_pages', 'bu_navigation_filter_pages_exclude')) {
$exclude_filter_removed = remove_filter('bu_navigation_filter_pages', 'bu_navigation_filter_pages_exclude');
}
$pages = bu_navigation_get_pages(array('pages' => $ancestors, 'post_types' => $p->post_type, 'post_status' => $r['include_statuses']));
if ($r['include_hidden'] && $exclude_filter_removed) {
add_filter('bu_navigation_filter_pages', 'bu_navigation_filter_pages_exclude');
}
// Container markup
$attrs = '';
if ($r['container_id']) {
$attrs .= sprintf(' id="%s"', $r['container_id']);
}
if ($r['container_class']) {
$attrs .= sprintf(' class="%s"', $r['container_class']);
}
$html = sprintf('<%s%s>%s', $r['container_tag'], $attrs, $r['prefix']);
// Build crumb markup
$crumbs = array();
if (is_array($pages) && count($pages) > 0) {
foreach ($ancestors as $page_id) {
if (!$page_id && $r['home']) {
$anchor_open = sprintf('<a href="%s" class="%s">', get_bloginfo('url'), $r['anchor_class']);
$anchor_close = '</a>';
if ($r['show_links']) {
$crumb = $anchor_open . $r['home_label'] . $anchor_close;
} else {
$crumb = $r['home_label'];
}
array_push($crumbs, $crumb);
continue;
} else {
if (!array_key_exists($page_id, $pages)) {
continue;
}
}
$current = $pages[$page_id];
if (!isset($current->navigation_label)) {
$current->navigation_label = apply_filters('the_title', $current->post_title);
}
$title = esc_attr($current->navigation_label);
$href = $current->url;
$classname = $r['anchor_class'];
$crumb = $anchor_open = $anchor_close = '';
if ($current->ID == $p->ID) {
$classname .= ' active';
}
if ($r['show_links']) {
if ($current->ID == $p->ID && !$r['anchor_current']) {
$anchor_open = sprintf('<a class="%s">', $classname);
} else {
$anchor_open = sprintf('<a href="%s" class="%s">', $href, $classname);
}
$anchor_close = '</a>';
}
$before_crumb = $after_crumb = '';
if ($r['crumb_tag']) {
$before_crumb = $current->ID == $p->ID ? sprintf('<%s class="current">', $r['crumb_tag']) : sprintf('<%s>', $r['crumb_tag']);
$after_crumb = sprintf('</%s>', $r['crumb_tag']);
}
$crumb = $before_crumb . $anchor_open . $title . $anchor_close . $after_crumb;
$crumb = apply_filters('bu_navigation_filter_crumb_html', $crumb, $current, $r);
// Only crumb if not current page or if we're crumbing the current page
if ($current->ID != $p->ID || $r['crumb_current']) {
array_push($crumbs, $crumb);
}
}
$html .= implode($r['glue'], $crumbs);
}
$html .= sprintf('%s</%s>', $r['suffix'], $r['container_tag']);
if ($r['echo']) {
echo $html;
}
return $html;
}