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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Menu_Element {
public $label;
public $url;
public $id;
/**
* Set the id
* @chainable
*/
public function id($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 $this;
}
}
/**
* Menu element that provides a link to a new page.
*/
class Menu_Element_Link extends Menu_Element {
public function __toString() {
return "<li><a class=\"gMenuElement\" href=\"$this->url\">$this->label</a></li>";
}
}
/**
* Menu element that provides a pop-up dialog
*/
class Menu_Element_Dialog extends Menu_Element {
public function __toString() {
return "<li><a class=\"gMenuLink\" href=\"$this->url\" " .
"title=\"$this->label\">$this->label</a></li>";
}
}
/**
* Root menu or submenu
*/
class Menu_Core extends Menu_Element {
public $elements;
public $is_root;
/**
* Return an instance of a Menu_Element
* @chainable
*/
public static function factory($type) {
switch($type) {
case "link":
return new Menu_Element_Link();
case "dialog":
return new Menu_Element_Dialog();
case "submenu":
return new Menu();
default:
throw Exception("@todo UNKNOWN_MENU_TYPE");
}
}
public function __construct($is_root=false) {
$this->elements = array();
$this->is_root = $is_root;
}
/**
* Add a new element to this menu
*/
public function append($menu_element) {
$this->elements[$menu_element->id] = $menu_element;
return $this;
}
/**
* Retrieve a Menu_Element by id
*/
public function get($id) {
return $this->elements[$id];
}
public function __toString() {
$html = $this->is_root ? "<ul class=\"gMenu\">" : "<li><a href=#>$this->label</a><ul class=\"gMenu\">";
$html .= implode("\n", $this->elements);
$html .= $this->is_root ? "</ul>" : "</ul></li>";
return $html;
}
}
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