From e49d583cb64523c584cd848c8a421140c5193514 Mon Sep 17 00:00:00 2001
From: Svjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Date: Wed, 20 Aug 2014 17:39:51 +0300
Subject: [PATCH] possibility to use CSS prefix for menu items

---
 .../network/navigation/Navigation.java        | 22 ++++++++++++++-----
 .../network/navigation/NavigationItem.java    | 21 +++++++++++++++++-
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java b/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
index 339db68..3a2877f 100755
--- a/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
+++ b/src/main/java/eu/svjatoslav/commons/network/navigation/Navigation.java
@@ -24,6 +24,13 @@ public class Navigation {
 		return defaultNavigationItem;
 	}
 
+	private String getGetNotNullString(final String string) {
+		if (string != null)
+			return string;
+
+		return "";
+	}
+
 	public NavigationItem getRootNavigationItem() {
 		return rootNavigationItem;
 	}
@@ -52,17 +59,22 @@ public class Navigation {
 		final NavigationItem selectedItem = getSelectedItem(request);
 		final StringBuffer result = new StringBuffer();
 
-		result.append("<div class=\"navigationMenu\">");
+		result.append("<div class=\""
+				+ getGetNotNullString(rootNavigationItem.getCssPrefix())
+				+ "navigationMenu\">");
 
 		for (final NavigationItem item : getRootNavigationItem()
 				.getSubElements()) {
 
 			if (item == selectedItem)
-				result.append("<a class=\"menuItemSelected\" href=\""
-						+ item.getLinkUrl() + "\">");
+				result.append("<a class=\""
+						+ getGetNotNullString(item.getCssPrefix())
+						+ "menuItemSelected\" href=\"" + item.getLinkUrl()
+						+ "\">");
 			else
-				result.append("<a class=\"menuItem\" href=\""
-						+ item.getLinkUrl() + "\">");
+				result.append("<a class=\""
+						+ getGetNotNullString(item.getCssPrefix())
+						+ "menuItem\" href=\"" + item.getLinkUrl() + "\">");
 
 			result.append("<div>" + item.getTitle() + "</div>");
 			result.append("</a>");
diff --git a/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java b/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
index 0deca95..22ba6b0 100755
--- a/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
+++ b/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
@@ -1,7 +1,7 @@
 /*
  * Svjatoslav Commons - shared library of common functionality.
  * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 3 of the GNU Lesser General Public License
  * or later as published by the Free Software Foundation.
@@ -26,6 +26,11 @@ public class NavigationItem {
 	private NavigationItem parent;
 	private final String linkUrl;
 
+	/**
+	 * CSS prefix is inherited to child menu items.
+	 */
+	private String cssPrefix;
+
 	public NavigationItem(final Locale... localeOrder) {
 		if (localeOrder.length == 0)
 			this.localeOrder = new Locale[] { Locale.ENG };
@@ -53,6 +58,16 @@ public class NavigationItem {
 		return item;
 	}
 
+	protected String getCssPrefix() {
+		if (cssPrefix != null)
+			return cssPrefix;
+
+		if (parent == null)
+			return null;
+
+		return parent.getCssPrefix();
+	}
+
 	public String getLinkUrl() {
 		return linkUrl;
 	}
@@ -107,6 +122,10 @@ public class NavigationItem {
 		return WildCardMatcher.match(url, matchingPattern);
 	}
 
+	public void setCssPrefix(final String cssPrefix) {
+		this.cssPrefix = cssPrefix;
+	}
+
 	public NavigationItem setPattern(final String pattern) {
 		matchingPattern = pattern;
 		return this;
-- 
2.20.1