Project relocated (a bit better now?) + continued with Swing client

[addressbook-lib.git] / src / org / mxchange / addressbook / menu / MenuTools.java

diff --git a/src/org/mxchange/addressbook/menu/MenuTools.java b/src/org/mxchange/addressbook/menu/MenuTools.java
new file mode 100644 (file)
index 0000000..75bfb7e
--- /dev/null
+++ b/src/org/mxchange/addressbook/menu/MenuTools.java
@@ -0,0 +1,78 @@
+/*\r
+ * Copyright (C) 2015 Roland Haeder\r
+ *\r
+ * This program is free software: you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation, either version 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
+ */\r
+package org.mxchange.addressbook.menu;\r
+\r
+import java.util.Iterator;\r
+import java.util.Map;\r
+import org.apache.logging.log4j.Logger;\r
+import org.mxchange.addressbook.BaseFrameworkSystem;\r
+import org.mxchange.addressbook.menu.item.SelectableMenuItem;\r
+\r
+/**\r
+ *\r
+ * @author Roland Haeder\r
+ */\r
+public class MenuTools extends BaseFrameworkSystem {\r
+\r
+    /**\r
+     * Gets an array with all available access keys back from given menu map.\r
+     * This can later be handle to the client's enterChar() method.\r
+     *\r
+     * @param menus A Map with all menus and their entries\r
+     * @param menuType Menu type\r
+     * @return An array with available access chars\r
+     */\r
+    public static char[] getAccessKeysFromMenuMap (final Map<String, Menu> menus, final String menuType) {\r
+       // Get logger\r
+       Logger logger = new MenuTools().getLogger();\r
+\r
+       // First search for the proper menu class\r
+       Menu menu = menus.get(menuType);\r
+\r
+       // Is it there?\r
+       if (!(menu instanceof Menu)) {\r
+           // Not found\r
+           // @todo Rewrite to exception\r
+           logger.error("Menu '" + menuType + "' not found.");\r
+           System.exit(1);\r
+       }\r
+\r
+       // Get iterator\r
+       Iterator<SelectableMenuItem> iterator = menu.getMenuItemsIterator();\r
+\r
+       // Init return array and counter 'i'\r
+       char[] accessKeys = new char[menu.getMenuItemsCount()];\r
+       int i = 0;\r
+\r
+       // Now "walk" through all menu entries\r
+       while (iterator.hasNext()) {\r
+           // Get item\r
+           SelectableMenuItem item = iterator.next();\r
+           //* NOISY-DEBUG: */ logger.debug("item=" + item);\r
+\r
+           // Get access key from item and add it to the array\r
+           accessKeys[i] = item.getAccessKey();\r
+           //* NOISY-DEBUG: */ logger.debug("accessKeys[" + i + "]=" + accessKeys[i]);\r
+\r
+           // Increment counter\r
+           i++;\r
+       }\r
+\r
+       // Return finished array\r
+       return accessKeys;\r
+    }\r
+}\r