.
*/
/**
* Implements hook_form_menu_edit_item_alter().
*
* add field to upload an image for menu item
*/
function menuimage_form_menu_edit_item_alter(&$form, &$form_state) {
$mlid = (isset($form['mlid']['#value']) ? $form['mlid']['#value'] : 0);
$fid = 0;
$file = FALSE;
if ($mlid && ($result = db_query("
SELECT options FROM {menu_links}
WHERE mlid = :mlid
LIMIT 1
", array(':mlid' => $mlid)
)->fetchField())) {
$options = unserialize($result);
$fid = (isset($options['content']['image']) ? $options['content']['image'] : 0);
if (!($file = file_load($fid))) {
$fid = 0;
}
}
$temp = image_field_info();
$types = $temp['image']['instance_settings']['file_extensions'];
$size = ini_get("upload_max_filesize");
$temp = array();
foreach ($form as $name => $element) {
$temp[$name] = $element;
if ($name == "description") {
$blank = ("/" . drupal_get_path("module", "menuimage") . "/blank.gif");
drupal_add_js(array('menuimageBlank' => $blank), "setting");
$temp['image'] = array(
'#type' => "fieldset",
'#title' => t("Image"),
'#description' => t("Upload an image to represent this menu item."),
'imagepreview' => array(
'#type' => "markup",
'#markup' => '' . theme("image", array(
'path' => ($file && $fid != 0 ? $file->uri : $blank),
'height' => 75,
)) . '
',
),
'menuimage' => array(
'#type' => "managed_file",
'#description' => t("Files must be less than @size.
Allowed file types: @types.", array('@size' => $size, '@types' => $types)),
'#upload_location' => "public://menuimage",
'#upload_validators' => array(
'file_validate_extensions' => array($types),
'file_validate_size' => array(parse_size($size)),
),
'#attached' => array('js' => array(drupal_get_path("module", "menuimage") . "/menuimage.js")),
'#default_value' => $fid,
),
);
}
}
$form = $temp;
$form['#submit'][] = "menuimage_edit_item_submit";
}
/**
* Callback for menuimage_form_menu_edit_item_alter().
*
* handle "Save" submit; create entry in menu item options array
* that refers to uploaded image; uses separate 'content' array
* within options, to differentiate from 'attributes'
*/
function menuimage_edit_item_submit(&$form, &$form_state) {
if (isset($form_state['values']['menuimage']) && isset($form_state['values']['mlid'])) {
$mlid = $form_state['values']['mlid'];
if ($mlid && ($result = db_query("
SELECT options FROM {menu_links}
WHERE mlid = :mlid
LIMIT 1
", array(':mlid' => $mlid)
)->fetchField())) {
$options = unserialize($result);
$fid = (0 + preg_replace("/[^0-9]/", "", $form_state['values']['menuimage']));
if ($fid != 0) {
if (!array_key_exists("content", $options)) {
$options['content'] = array();
}
$options['content']['image'] = $fid;
if ($file = file_load($fid)) {
$file->status = FILE_STATUS_PERMANENT;
file_save($file);
file_usage_add($file, "menuimage", "menu", $mlid);
}
}
else {
if (isset($options['content']['image'])) {
if ($file = file_load($options['content']['image'])) {
file_usage_delete($file, "menuimage");
file_delete($file);
}
unset($options['content']['image']);
}
}
$options = serialize($options);
if ($options != $result) {
db_update("menu_links")
->fields(array('options' => $options))
->condition("mlid", $mlid, "=")
->execute();
}
}
$form_state['redirect'] = ("/admin/structure/menu/item/" . $mlid . "/edit");
}
}