diff options
Diffstat (limited to 'modules/gallery/libraries/Menu.php')
| -rw-r--r-- | modules/gallery/libraries/Menu.php | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/modules/gallery/libraries/Menu.php b/modules/gallery/libraries/Menu.php new file mode 100644 index 00000000..d19d8b1e --- /dev/null +++ b/modules/gallery/libraries/Menu.php @@ -0,0 +1,187 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2009 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 $id; + + /** + * Set the id + * @chainable + */ + public function id($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 { + $css_class = ""; + } + return "<li><a$css_id class=\"gMenuElement$css_class\" href=\"$this->url\" " . + "title=\"$this->label\">$this->label</a></li>"; + } +} + +/** + * 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 { + $css_class = ""; + } + return "<li><a$css_id class=\"gMenuLink$css_class\" href=\"$this->url\" " . + "title=\"$this->label\">$this->label</a></li>"; + } +} + +/** + * Root menu or submenu + */ +class Menu_Core extends Menu_Element { + public $elements; + public $is_root = false; + + /** + * Return an instance of a Menu_Element + * @chainable + */ + public static function factory($type) { + switch($type) { + case "link": + return new Menu_Element_Link(); + + case "dialog": + return new Menu_Element_Dialog(); + + case "root": + $menu = new Menu(); + $menu->is_root = true; + return $menu; + + case "submenu": + return new Menu(); + + default: + throw Exception("@todo UNKNOWN_MENU_TYPE"); + } + } + + public function __construct() { + $this->elements = array(); + } + + /** + * Add a new element to this menu + */ + public function append($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 $this; + } + + /** + * Retrieve a Menu_Element by id + */ + public function get($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; + } +} |