added help menu

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>0.8.3</version>
+	<version>0.8.4</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>

src/main/java/de/srsoftware/web4rail/Constants.java

@@ -52,4 +52,5 @@ public interface Constants {
 	public static final String TYPE = "type";
 	public static final String NBSP = " ";
 	public static final String CONTEXT = "context";
+	public static final String GITHUB_URL = "https://github.com/srsoftware-de/Web4Rail";
 }

src/main/java/de/srsoftware/web4rail/Plan.java

@@ -112,6 +112,7 @@ public class Plan implements Constants{
 	private static final String DIRECTION = "direction";
 	private static final HashMap<OutputStreamWriter,Integer> clients = new HashMap<OutputStreamWriter, Integer>();
 	private static final String ACTION_QR = "qrcode";
+	private static final String HELP = "help";
 	
 	public HashMap<String,Tile> tiles = new HashMap<String,Tile>(); // The list of tiles of this plan, i.e. the Track layout
 	private HashSet<Block> blocks = new HashSet<Block>(); // the list of tiles, that are blocks
@@ -351,6 +352,14 @@ public class Plan implements Constants{
 		stream("heartbeat @ "+new Date().getTime());
 	}
 	
+	private Tag help() {
+		Tag help = new Tag("div").clazz("help").content(t("Help"));
+		Tag list = new Tag("div").clazz("list").content("");
+		new Tag(HELP).content(t("Online Documentation")).attr("onclick", "window.open('"+GITHUB_URL+"')").addTo(list);
+		new Tag(HELP).content(t("Report Issue")).attr("onclick", "window.open('"+GITHUB_URL+"/issues')").addTo(list);
+		return list.addTo(help);
+	}
+	
 	/**
 	 * generates a html document of this plan
 	 * @return
@@ -429,6 +438,7 @@ public class Plan implements Constants{
 		tileMenu().addTo(menu);
 		trainMenu().addTo(menu);
 		hardwareMenu().addTo(menu);
+		help().addTo(menu);
 		return menu;
 	}