diff options
Diffstat (limited to 'modules/gallery/libraries/Menu.php')
| -rw-r--r-- | modules/gallery/libraries/Menu.php | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/modules/gallery/libraries/Menu.php b/modules/gallery/libraries/Menu.php new file mode 100644 index 0000000..24a05cd --- /dev/null +++ b/modules/gallery/libraries/Menu.php @@ -0,0 +1,257 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2013 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 $css_id; + public $css_class; + public $id; + public $type; + + public function __construct($type) { + $this->type = $type; + } + + /** + * Set the id + * @chainable + */ + public function id($id) { + $this->id = $id; + return $this; + } + + /** + * Set the label + * @chainable + */ + public function label($label) { + // Guard against developers who forget to internationalize label strings + if (!($label instanceof SafeString)) { + $label = new SafeString($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 $this; + } + + /** + * Specifiy a view for this menu item + * @chainable + */ + public function view($view) { + $this->view = $view; + return $this; + } + +} + +/** + * Menu element that provides a link to a new page. + */ +class Menu_Element_Link extends Menu_Element { + public function render() { + $view = new View(isset($this->view) ? $this->view : "menu_link.html"); + $view->menu = $this; + return $view; + } +} + +/** + * Menu element that provides an AJAX link. + */ +class Menu_Element_Ajax_Link extends Menu_Element { + public $ajax_handler; + + /** + * Set the AJAX handler + * @chainable + */ + public function ajax_handler($ajax_handler) { + $this->ajax_handler = $ajax_handler; + return $this; + } + + public function render() { + $view = new View(isset($this->view) ? $this->view : "menu_ajax_link.html"); + $view->menu = $this; + return $view; + } +} + +/** + * Menu element that provides a pop-up dialog + */ +class Menu_Element_Dialog extends Menu_Element { + public function render() { + $view = new View(isset($this->view) ? $this->view : "menu_dialog.html"); + $view->menu = $this; + return $view; + } +} + +/** + * 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 "ajax_link": + return new Menu_Element_Ajax_Link($type); + + case "dialog": + return new Menu_Element_Dialog($type); + + case "root": + $menu = new Menu("root"); + $menu->css_class("g-menu"); + return $menu; + + case "submenu": + return new Menu("submenu"); + + default: + throw Exception("@todo UNKNOWN_MENU_TYPE"); + } + } + + public function __construct($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 $this; + } + + /** + * Add a new element to this menu, after the specific element + */ + public function add_after($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 $this; + } + + /** + * Add a new element to this menu, before the specific element + */ + public function add_before($target_id, $new_menu_element) { + $copy = array(); + foreach ($this->elements as $id => $menu_element) { + if ($id == $target_id) { + $copy[$new_menu_element->id] = $new_menu_element; + } + $copy[$id] = $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]; + } + + $null = null; + return $null; + } + + public function is_empty() { + foreach ($this->elements as $element) { + if ($element instanceof Menu) { + if (!$element->is_empty()) { + return false; + } + } else { + return false; + } + } + return true; + } + + public function render() { + $view = new View(isset($this->view) ? $this->view : "menu.html"); + $view->menu = $this; + return $view; + } + + static function title_comparator($a, $b) { + return strnatcasecmp((string)$a->label, (string)$b->label); + } +} |