type = $type;
}
/**
* Set the id
* @chainable
*/
public function id($id) {
$this->id = $id;
return $this;
}
/**
* Set the label
* @chainable
*/
public function label($label) {
$this->label = $label;
return $this;
}
/**
* Set the url
* @chainable
*/
public function url($url) {
$this->url = $url;
return $this;
}
/**
* Set the css id
* @chainable
*/
public function css_id($css_id) {
$this->css_id = $css_id;
return $this;
}
/**
* Set the css class
* @chainable
*/
public function css_class($css_class) {
$this->css_class = $css_class;
return $this;
}
}
/**
* Menu element that provides a link to a new page.
*/
class Menu_Element_Link extends Menu_Element {
public function __toString() {
if (isset($this->css_id) && !empty($this->css_id)) {
$css_id = " id=\"$this->css_id\"";
} else {
$css_id = "";
}
if (isset($this->css_class) && !empty($this->css_class)) {
$css_class = " $this->css_class";
} else {
$css_class = "";
}
return "";
}
}
/**
* Menu element that provides a pop-up dialog
*/
class Menu_Element_Dialog extends Menu_Element {
public function __toString() {
if (isset($this->css_id) && !empty($this->css_id)) {
$css_id = " id=\"$this->css_id\"";
} else {
$css_id = "";
}
if (isset($this->css_class) && !empty($this->css_class)) {
$css_class = " $this->css_class";
} else {
$css_class = "";
}
return "";
}
}
/**
* Root menu or submenu
*/
class Menu_Core extends Menu_Element {
public $elements;
public $is_root = false;
/**
* Return an instance of a Menu_Element
* @chainable
*/
public static function factory($type) {
switch($type) {
case "link":
return new Menu_Element_Link($type);
case "dialog":
return new Menu_Element_Dialog($type);
case "root":
$menu = new Menu("root");
$menu->css_class("gMenu");
return $menu;
case "submenu":
return new Menu("submenu");
default:
throw Exception("@todo UNKNOWN_MENU_TYPE");
}
}
public function compact() {
foreach ($this->elements as $target_id => $element) {
if ($element->type == "submenu") {
if (empty($element->elements)) {
$this->remove($target_id);
} else {
$element->compact();
}
}
}
return $this;
}
public function __construct($type) {
parent::__construct($type);
$this->elements = array();
$this->is_root = $type == "root";
}
/**
* Add a new element to this menu
*/
public function append($menu_element) {
$this->elements[$menu_element->id] = $menu_element;
return $this;
}
/**
* Add a new element to this menu
*/
public function add_after($target_id, $new_menu_element) {
$copy = array();
foreach ($this->elements as $id => $menu_element) {
$copy[$id] = $menu_element;
if ($id == $target_id) {
$copy[$new_menu_element->id] = $new_menu_element;
}
}
$this->elements = $copy;
return $this;
}
/**
* Remove an element from the menu
*/
public function remove($target_id) {
unset($this->elements[$target_id]);
}
/**
* Retrieve a Menu_Element by id
*/
public function get($id) {
if (array_key_exists($id, $this->elements)) {
return $this->elements[$id];
}
return null;
}
public function __toString() {
$html = $this->is_root ? "css_class\">" :
"- label\">$this->label
";
$html .= implode("\n", $this->elements);
$html .= $this->is_root ? "
" : "
";
return $html;
}
}