make modified file a multi-file event

core/src/main/groovy/com/muwire/core/files/DirectoryWatcher.groovy

@@ -196,7 +196,7 @@ class DirectoryWatcher {
                                 SharedFile sf = fileManager.fileToSharedFile.get(file)
                                 if (sf != null) {
                                     log.fine ("modified shared $file")
-                                    eventBus.publish(new FileModifiedEvent(sharedFile: sf))
+                                    eventBus.publish(new FileModifiedEvent(sharedFiles: [sf]))
                                     return 
                                 }
                             }

core/src/main/groovy/com/muwire/core/files/FileManager.groovy

@@ -207,7 +207,8 @@ class FileManager {
     }
     
     void onFileModifiedEvent(FileModifiedEvent event) {
-        unshareFile(event.sharedFile, false)
+        for(SharedFile sf : event.sharedFiles)
+            unshareFile(sf, false)
     }
     
     private void unshareFile(SharedFile sf, boolean deleted) {

core/src/main/groovy/com/muwire/core/files/FileModifiedEvent.groovy

@@ -4,5 +4,5 @@ import com.muwire.core.Event
 import com.muwire.core.SharedFile
 
 class FileModifiedEvent extends Event {
-    SharedFile sharedFile
+    SharedFile[] sharedFiles
 }

core/src/main/groovy/com/muwire/core/files/HasherService.groovy

@@ -97,9 +97,11 @@ class HasherService {
     }
     
     void onFileModifiedEvent(FileModifiedEvent event) {
-        File f = event.sharedFile.getFile()
-        File canonical = f.getCanonicalFile()
-        throttlerExecutor.execute({throttle(f, canonical, true)})
+        for (SharedFile sharedFile : event.sharedFiles) {
+            File f = sharedFile.getFile()
+            File canonical = f.getCanonicalFile()
+            throttlerExecutor.execute({ throttle(f, canonical, true) })
+        }
     }
 
     private synchronized void throttle(File f, File canonical, boolean forceHash) {

core/src/main/groovy/com/muwire/core/files/PersisterFolderService.groovy

@@ -148,9 +148,9 @@ class PersisterFolderService extends BasePersisterService {
     }
     
     void onFileModifiedEvent(FileModifiedEvent event) {
-        persisterExecutor.submit( {
-            unshareFile(event.sharedFile)
-        } as Runnable)
+        // shortcut
+        def unsharedEvent = new FileUnsharedEvent(unsharedFiles: event.sharedFiles)
+        onFileUnsharedEvent(unsharedEvent)
     }
     
     private void unshareFile(SharedFile sharedFile) {

gui/griffon-app/models/com/muwire/gui/MainFrameModel.groovy

@@ -615,7 +615,7 @@ class MainFrameModel {
     void onFileModifiedEvent(FileModifiedEvent event) {
         // shortcut
         FileUnsharedEvent e = new FileUnsharedEvent(
-                unsharedFiles: new SharedFile[]{event.sharedFile},
+                unsharedFiles: event.sharedFiles,
                 deleted: false,
                 implicit: false
         )