function get_layout_title($field, $layout, $i, $value)
{
// add loop
acf_add_loop(array('selector' => $field['name'], 'name' => $field['name'], 'value' => array($value), 'field' => $field, 'i' => 0, 'post_id' => 0));
// vars
$title = $layout['label'];
// filters
$title = apply_filters('acf/fields/flexible_content/layout_title', $title, $field, $layout, $i);
$title = apply_filters('acf/fields/flexible_content/layout_title/name=' . $field['_name'], $title, $field, $layout, $i);
$title = apply_filters('acf/fields/flexible_content/layout_title/key=' . $field['key'], $title, $field, $layout, $i);
// remove loop
acf_remove_loop();
// prepend order
$title = '<span class="acf-fc-layout-order">' . ($i + 1) . '</span> ' . $title;
// return
return $title;
}
function have_rows($selector, $post_id = false)
{
// vars
$active_loop = acf_get_loop('active');
$previous_loop = acf_get_loop('previous');
$new_parent_loop = false;
$new_child_loop = false;
$sub_field = false;
$sub_exists = false;
$change = false;
$key = "selector={$selector}/post_id={$post_id}";
// reference
$_post_id = $post_id;
// filter post_id
$post_id = acf_get_valid_post_id($post_id);
// no active loops
if (!$active_loop) {
// create a new loop
$new_parent_loop = true;
// loop has changed
} elseif ($active_loop['key'] != $key) {
// detect change
if ($post_id != $active_loop['post_id']) {
$change = 'post_id';
} elseif ($selector != $active_loop['selector']) {
$change = 'selector';
} else {
// key has changed due to a technicallity, however, the post_id and selector are the same
}
// attempt to find sub field
$sub_field = acf_get_sub_field($selector, $active_loop['field']);
if ($sub_field) {
$sub_exists = isset($active_loop['value'][$active_loop['i']][$sub_field['key']]);
}
// If post_id has changed, this is most likely an archive loop
if ($change == 'post_id') {
if (empty($_post_id) && $sub_exists) {
// case: Change in $post_id was due to this being a nested loop and not specifying the $post_id
// action: move down one level into a new loop
$new_child_loop = true;
} elseif ($previous_loop && $previous_loop['post_id'] == $post_id) {
// case: Change in $post_id was due to a nested loop ending
// action: move up one level through the loops
acf_remove_loop('active');
} else {
// case: Chang in $post_id is the most obvious, used in an WP_Query loop with multiple $post objects
// action: leave this current loop alone and create a new parent loop
$new_parent_loop = true;
}
} elseif ($change == 'selector') {
if ($previous_loop && $previous_loop['selector'] == $selector && $previous_loop['post_id'] == $post_id) {
// case: Change in $field_name was due to a nested loop ending
// action: move up one level through the loops
acf_remove_loop('active');
} elseif ($sub_exists) {
// case: Change in $field_name was due to this being a nested loop
// action: move down one level into a new loop
$new_child_loop = true;
} else {
// case: Chang in $field_name is the most obvious, this is a new loop for a different field within the $post
// action: leave this current loop alone and create a new parent loop
$new_parent_loop = true;
}
}
// loop is the same
} else {
// do nothing
}
// add parent loop
if ($new_parent_loop) {
// vars
$field = get_field_object($selector, $post_id, false);
$value = acf_extract_var($field, 'value');
// add loop
acf_add_loop(array('selector' => $selector, 'name' => $field['name'], 'value' => $value, 'field' => $field, 'i' => -1, 'post_id' => $post_id, 'key' => $key));
// add child loop
} elseif ($new_child_loop) {
// vars
$value = $active_loop['value'][$active_loop['i']][$sub_field['key']];
$post_id = $active_loop['post_id'];
// add loop
acf_add_loop(array('selector' => $selector, 'name' => $active_loop['name'] . '_' . $active_loop['i'] . '_' . $sub_field['name'], 'value' => $value, 'field' => $sub_field, 'i' => -1, 'post_id' => $post_id, 'key' => $key));
}
// update vars
$active_loop = acf_get_loop('active');
// return true if next row exists
if ($active_loop && is_array($active_loop['value']) && isset($active_loop['value'][$active_loop['i'] + 1])) {
return true;
}
// no next row!
acf_remove_loop('active');
// return
return false;
}
