+/*
+ * 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;
import eu.svjatoslav.commons.network.Locale;
import eu.svjatoslav.commons.string.WildCardMatcher;
-public class NavigationItem {
+public class NavigationItem<NI extends NavigationItem> {
+
+ private String matchingPattern;
- private final String matchingWildcard;
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 Navigation<NI> navigation;
private final String linkUrl;
-
- public NavigationItem() {
- this(Locale.ENG);
- }
-
- public NavigationItem(final Locale... localeOrder) {
- this.localeOrder = localeOrder;
- matchingWildcard = null;
+ /**
+ * CSS prefix is inherited to child menu items.
+ */
+ private String cssPrefix;
+
+ public NavigationItem(final Navigation<NI> 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 = parent.getNavigation();
this.parent = parent;
this.linkUrl = linkUrl;
- matchingWildcard = 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;
+ NI getMatchingNavigationItem(final String requestPath) {
+ if (matchesUrl(requestPath))
+ return (NI) this;
- return parent.getLocaleOrder();
- }
+ for (final NI childNavigationItem : subElements) {
+ final NI match = (NI) childNavigationItem
+ .getMatchingNavigationItem(requestPath);
- public List<NavigationItem> getSubElements() {
- return subElements;
+ if (match != null)
+ return match;
+ }
+ return null;
}
- public String getTitle() {
- if (localeToTitle.size() != 1)
- throw new RuntimeException("there shall be exactly one title");
+ public Navigation<NI> getNavigation() {
+ return navigation;
+ }
- return localeToTitle.values().iterator().next();
+ public List<NI> getSubElements() {
+ return subElements;
}
public String getTitle(final Locale locale) {
}
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, matchingWildcard);
+ 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 + "]";
}
}