[client] room selection widget [wip]

new wizard page in the lecture wizard
new button "Raumauswahl" LectureDetailsWindow

1 files changed, 58 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/cache/MetaDataCache.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/cache/MetaDataCache.java
index 0e9f8ea4..6c3d2be5 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/cache/MetaDataCache.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/cache/MetaDataCache.java
@@ -1,9 +1,11 @@
 package org.openslx.dozmod.thrift.cache;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
+import org.openslx.bwlp.thrift.iface.Location;
 import org.openslx.bwlp.thrift.iface.OperatingSystem;
 import org.openslx.bwlp.thrift.iface.Virtualizer;
 import org.openslx.thrifthelper.ThriftManager;
@@ -44,6 +46,26 @@ public class MetaDataCache {
 			return ThriftManager.getMasterClient().getVirtualizers();
 		}
 	};
+	
+	private static final GenericDataCache<List<Location>> locationCache = new GenericDataCache<List<Location>>(
+			CACHE_TIME_MS) {
+		@Override
+		protected List<Location> update() throws TException {
+			List<Location> testLocationList = new ArrayList<Location>();
+			testLocationList.add(new Location(1, "RZ - Raum 100"));
+			testLocationList.add(new Location(2, "RZ - Raum 101"));
+			testLocationList.add(new Location(3, "RZ - Raum 113"));
+			testLocationList.add(new Location(4, "RZ - Raum 114"));
+			return testLocationList;
+			// enable this code when the server call is implemented
+//			try {
+//				return ThriftManager.getSatClient().getLocations();
+//			} catch (TException e) {
+//				LOGGER.warn("Could not get location list from satellite, trying master for backup...", e);
+//			}
+//			return null; // HACK
+		}
+	};
 
 	/**
 	 * Get all known/valid operating systems an image can be marked as.
@@ -117,4 +139,40 @@ public class MetaDataCache {
 		return null;
 	}
 
+	/**
+	 * Get all known/valid locations a lecture can be assigned to.
+	 * 
+	 * @return
+	 */
+	public static List<Location> getLocations() {
+		return locationCache.get();
+	}
+
+	public static Location getLocationById(int id) {
+		return getLocationById(id, false);
+	}
+	
+	public static Location getLocationById(int id, boolean forceCache) {
+		// First, try in "always cached" mode
+		List<Location> list = locationCache.get(CacheMode.FORCE_CACHED);
+		Location location = getLocationById(id, list);
+		if (location != null || forceCache)
+			return location;
+		// Try again with a potential refresh
+		List<Location> newList = locationCache.get(CacheMode.DEFAULT);
+		if (list == newList) // Returned list from cache as it was still recent enough
+			return null;
+		return getLocationById(id, newList);
+	}
+
+	private static Location getLocationById(int id, List<Location> list) {
+		if (list != null) {
+			for (Location loc : list) {
+				if (loc.getLocationId() == id)
+					return loc;
+			}
+		}
+		return null;
+	}
+
 }
\ No newline at end of file