Merge gallery3/branches/menus back into gallery3/trunk

core/libraries/Menu.php

@@ -0,0 +1,111 @@
+<?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_Item {
+  protected $_text;
+  protected $_url;
+
+  function __constructor($text, $url="#") {
+    $this->_text = $text;
+    $this->_url = $url;
+  }
+
+  function __toString() {
+    return "<li><a href=\"$this->_url\">$this->_text</a></li>";
+  }
+}
+
+class Menu_Core {
+  protected $_text;
+  protected $_url;
+  protected $_items = array();
+
+  public function __construct($text="", $url="#") {
+    $this->_text = $text;
+    $this->_url = $url;
+  }
+
+  public function append($menu_item) {
+    $this->_items[] = $menu_item;
+  }
+
+  public function get($text) {
+    foreach ($this->_items as $item) {
+      if ($item->_text == $text) {
+        return $item;
+      }
+    }
+    return false;
+  }
+
+  private function _get_index($text) {
+    foreach ($this->_items as $idx => $item) {
+      if ($item->_text == $text) {
+        return (int)$idx;
+      }
+    }
+    return false;
+  }
+
+  public function insert_before($text, $menu_item) {
+    $offset = $this->_get_index($text);
+
+    $front_part = ($offset == 0) ? array() : array_splice($this->_items, 0, $offset);
+    $back_part = ($offset == 0) ? $this->_items : array_splice($this->_items, $offset - 1);
+    $this->_items = array_merge($front_part, array($menu_item), $back_part);
+  }
+
+  public function insert_after($text, $menu_item) {
+    $offset = $this->_get_index($text);
+    $last_offset = count($this->_items) - 1;
+    // If not found, then append to the end
+    if ($offset == false) {
+      $offset = $last_offset;
+    }
+
+    $front_part = ($offset == $last_offset) ? $this->_items : array_splice($this->_items, 0, $offset + 1);
+    Kohana::log("debug", print_r($front_part, 1));
+    $back_part = ($offset == $last_offset) ? array() : array_splice($this->_items,  $offset - 1);
+    Kohana::log("debug", print_r($back_part, 1));
+    $this->_items = array_merge($front_part, array($menu_item), $back_part);
+  }
+
+  public function __toString() {
+    $items_html = array();
+    if (!empty($this->_text)) {
+      $items_html[] = "<li><a href=\"$this->_url\">$this->_text</a>";
+    }
+
+    if (!empty($this->_items)) {
+//      $items_html[] = "<ul class=\"gItemMenu\">";
+      $items_html[] = "<ul>";
+
+      foreach ($this->_items as $item) {
+        $items_html[] = $item->__toString();
+      }
+
+      $items_html[] = "</ul>";
+    }
+
+    if (!empty($this->_text)) {
+      $items_html[] = "</li>";
+    }
+    return implode("\n", $items_html);
+  }
+}