X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fcommons%2Fnetwork%2Fnavigation%2FNavigationItem.java;h=76a7d073a674a7030db0b45ca0560f85f9ca3877;hb=eed1c70de986cf74cf15de291abd7495e4a6bcd1;hp=a9ad856d2904f036c9a1411d34215b96c10b837a;hpb=a2b2acd6d8c6a73c0897a2002a313266b1b74872;p=svjatoslav_commons.git

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 a9ad856..76a7d07 100755
--- a/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
+++ b/src/main/java/eu/svjatoslav/commons/network/navigation/NavigationItem.java
@@ -1,3 +1,12 @@
+/*
+ * 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.
+ */
+
 package eu.svjatoslav.commons.network.navigation;
 
 import java.util.ArrayList;
@@ -8,59 +17,63 @@ import java.util.Map;
 import eu.svjatoslav.commons.network.Locale;
 import eu.svjatoslav.commons.string.WildCardMatcher;
 
-public class NavigationItem {
+public class NavigationItem<NI extends NavigationItem, N extends Navigation> {
 
 	private String matchingPattern;
+
 	private final Map<Locale, String> localeToTitle = new HashMap<Locale, String>();
-	ArrayList<NavigationItem> subElements = new ArrayList<NavigationItem>();
-	private Locale[] localeOrder;
-	private NavigationItem parent;
+	private final ArrayList<NI> subElements = new ArrayList<NI>();
+	private final NI parent;
+	private final N navigation;
 	private final String linkUrl;
-
-	public NavigationItem() {
-		this(Locale.ENG);
-	}
-
-	public NavigationItem(final Locale... localeOrder) {
-		this.localeOrder = localeOrder;
+	/**
+	 * CSS prefix is inherited to child menu items.
+	 */
+	private String cssPrefix;
+
+	public NavigationItem(final N navigation) {
+		this.navigation = navigation;
+		parent = null;
 		matchingPattern = null;
 		linkUrl = null;
 	}
 
-	public NavigationItem(final NavigationItem parent, final String linkUrl,
+	public NavigationItem(final NI parent, final String linkUrl,
 			final String... titles) {
+		this.navigation = (N) parent.getNavigation();
 		this.parent = parent;
 		this.linkUrl = linkUrl;
 		matchingPattern = linkUrl;
 
 		initializeLocalizedTitles(titles);
+
+		parent.addNavigationItem(this);
+	}
+
+	public void addNavigationItem(final NI navigationItem) {
+		subElements.add(navigationItem);
 	}
 
-	public NavigationItem addChild(final String linkUrl, final String... titles) {
+	protected String getCssPrefix() {
+		if (cssPrefix != null)
+			return cssPrefix;
 
-		final NavigationItem item = new NavigationItem(this, linkUrl, titles);
-		subElements.add(item);
+		if (parent == null)
+			return null;
 
-		return item;
+		return parent.getCssPrefix();
 	}
 
 	public String getLinkUrl() {
 		return linkUrl;
 	}
 
-	public Locale[] getLocaleOrder() {
-		if (localeOrder != null)
-			return localeOrder;
-
-		return parent.getLocaleOrder();
-	}
-
-	NavigationItem getMatchingNavigationItem(final String requestPath) {
+	NI getMatchingNavigationItem(final String requestPath) {
 		if (matchesUrl(requestPath))
-			return this;
+			return (NI) this;
 
-		for (final NavigationItem childNavigationItem : subElements) {
-			final NavigationItem match = childNavigationItem
+		for (final NI childNavigationItem : subElements) {
+			final NI match = (NI) childNavigationItem
 					.getMatchingNavigationItem(requestPath);
 
 			if (match != null)
@@ -69,15 +82,12 @@ public class NavigationItem {
 		return null;
 	}
 
-	public List<NavigationItem> getSubElements() {
-		return subElements;
+	public N getNavigation() {
+		return navigation;
 	}
 
-	public String getTitle() {
-		if (localeToTitle.size() != 1)
-			throw new RuntimeException("there shall be exactly one title");
-
-		return localeToTitle.values().iterator().next();
+	public List<NI> getSubElements() {
+		return subElements;
 	}
 
 	public String getTitle(final Locale locale) {
@@ -85,22 +95,35 @@ public class NavigationItem {
 	}
 
 	private void initializeLocalizedTitles(final String... titles) {
-		final Locale[] locales = getLocaleOrder();
-		if (locales.length != titles.length)
+		final List<Locale> locales = getNavigation().getLocaleConfiguration()
+				.getAllowedLocales();
+		if (locales.size() != titles.length)
 			throw new RuntimeException("There should be exactly "
-					+ locales.length + " title(s).");
+					+ locales.size() + " title(s).");
 
 		for (int i = 0; i < titles.length; i++)
-			localeToTitle.put(locales[i], titles[i]);
+			localeToTitle.put(locales.get(i), titles[i]);
 	}
 
 	public boolean matchesUrl(final String url) {
 		return WildCardMatcher.match(url, matchingPattern);
 	}
 
+	public void setCssPrefix(final String cssPrefix) {
+		this.cssPrefix = cssPrefix;
+	}
+
 	public NavigationItem setPattern(final String pattern) {
 		matchingPattern = pattern;
 		return this;
 	}
 
+	@Override
+	public String toString() {
+		return "NavigationItem [matchingPattern=" + matchingPattern
+				+ ", localeToTitle=" + localeToTitle + ", subElements count="
+				+ subElements.size() + ", linkUrl=" + linkUrl + ", cssPrefix="
+				+ cssPrefix + "]";
+	}
+
 }