1 files changed, 46 insertions, 1 deletions

diff --git a/experimental/compensator/org.eclipse.fx.code.compensator.project/src/org/eclipse/fx/code/compensator/project/navigator/FolderItem.java b/experimental/compensator/org.eclipse.fx.code.compensator.project/src/org/eclipse/fx/code/compensator/project/navigator/FolderItem.java
index 3775e3564..b5138b09a 100644
--- a/experimental/compensator/org.eclipse.fx.code.compensator.project/src/org/eclipse/fx/code/compensator/project/navigator/FolderItem.java
+++ b/experimental/compensator/org.eclipse.fx.code.compensator.project/src/org/eclipse/fx/code/compensator/project/navigator/FolderItem.java
@@ -3,14 +3,19 @@ package org.eclipse.fx.code.compensator.project.navigator;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.BiFunction;
 import java.util.stream.Collectors;
 
+import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 
 import org.eclipse.fx.code.compensator.project.ProjectNavigatorItem;
+import org.eclipse.fx.core.FilesystemService;
+import org.eclipse.fx.core.FilesystemService.Kind;
 import org.eclipse.fx.core.URI;
+import org.eclipse.fx.core.Util;
 
 public class FolderItem extends PathItem {
 	private ObservableList<ProjectNavigatorItem> items;
@@ -28,6 +33,29 @@ public class FolderItem extends PathItem {
 	public FolderItem(ProjectNavigatorItem parent, Path path, BiFunction<Path, FolderItem, PathItem> pathItemFactory) {
 		super(parent,path);
 		this.pathItemFactory = pathItemFactory;
+		Util.lookupService(FilesystemService.class).observePath(path, this::handleFilesystemMod);
+	}
+	
+	private void handleFilesystemMod(Kind kind, Path path) {
+		Platform.runLater(() -> _handleFilesystemMod(kind,path));
+	}
+	
+	public void _handleFilesystemMod(Kind kind, Path path) {
+		if( items != null ) {
+			if( path.startsWith(getDomainObject()) ) {
+				PathItem item = null;
+				for( ProjectNavigatorItem i : items ) {
+					PathItem pi = (PathItem) i;
+					if( path.startsWith(pi.getDomainObject()) ) {
+						item = pi;
+					}
+				}
+				
+				if( item == null ) {
+					refresh();
+				}
+			}
+		}
 	}
 
 	public FolderItem(ProjectNavigatorItem parent, Path path) {
@@ -49,6 +77,23 @@ public class FolderItem extends PathItem {
 		// TODO Auto-generated method stub
 		return null;
 	}
+	
+	public void refresh() {
+		AtomicInteger idx = new AtomicInteger();
+		
+		//TODO Need to fix that we remove items currently shown if not yet found anymore
+		try {
+			Files.newDirectoryStream(path).forEach((p) -> {
+				if( ! items.stream().filter( i -> ((Path)i.getDomainObject()).equals(p) ).findFirst().isPresent() ) {
+					items.add(idx.get(), pathItemFactory.apply(p.toAbsolutePath(), this));
+				}
+				idx.incrementAndGet();
+			});
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
 
 	@Override
 	public ObservableList<ProjectNavigatorItem> getChildren() {
@@ -63,7 +108,7 @@ public class FolderItem extends PathItem {
 		}
 		return items;
 	}
-
+	
 	@Override
 	public boolean isLeaf() {
 		// TODO Auto-generated method stub