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+/*
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+ * Copyright (c) 2003-2012 jMonkeyEngine
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are
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+ * met:
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+ *
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+ * * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ *
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+ * * Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ *
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+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
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+ * may be used to endorse or promote products derived from this software
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+ * without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ */
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+package com.jme3.gde.core.assets;
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+
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+import com.jme3.export.Savable;
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+import com.jme3.gde.core.scene.ApplicationLogHandler;
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+import com.jme3.gde.core.scene.SceneApplication;
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+import com.jme3.gde.core.util.SpatialUtil;
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+import com.jme3.scene.Geometry;
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+import com.jme3.scene.SceneGraphVisitorAdapter;
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+import com.jme3.scene.Spatial;
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+import java.util.concurrent.Callable;
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+import java.util.concurrent.atomic.AtomicBoolean;
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+import java.util.logging.Level;
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+import java.util.logging.Logger;
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+import org.openide.DialogDisplayer;
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+import org.openide.NotifyDescriptor;
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+import org.openide.filesystems.FileAttributeEvent;
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+import org.openide.filesystems.FileChangeListener;
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+import org.openide.filesystems.FileEvent;
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+import org.openide.filesystems.FileObject;
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+import org.openide.filesystems.FileRenameEvent;
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+import org.openide.loaders.DataObject;
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+import org.openide.loaders.DataObjectNotFoundException;
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+import org.openide.util.Exceptions;
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+
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+/**
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+ * This class scans for external changes of a j3o models original file and tries
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+ * to update the data when it changed.
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+ *
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+ * @author normenhansen
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+ */
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+public class ExternalChangeScanner implements AssetDataPropertyChangeListener, FileChangeListener {
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+
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+ private static final Logger logger = Logger.getLogger(ExternalChangeScanner.class.getName());
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+ private static final AtomicBoolean userNotified = new AtomicBoolean(false);
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+ protected final AssetDataObject assetDataObject;
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+ protected final AssetData assetData;
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+ protected FileObject originalObject;
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+
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+ public ExternalChangeScanner(AssetDataObject assetDataObject) {
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+ this.assetDataObject = assetDataObject;
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+ assetData = assetDataObject.getLookup().lookup(AssetData.class);
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+ if (assetData != null) {
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+ String path = assetData.getProperty("ORIGINAL_PATH");
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+ if (path != null) {
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+ setObservedFilePath(path);
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+ }
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+ assetData.addPropertyChangeListener(this);
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+ } else {
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+ logger.log(Level.WARNING, "Trying to observer changes for asset {0} which has no AssetData in Lookup.", assetDataObject.getName());
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+ }
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+ }
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+
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+ private void notifyUser() {
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+ if (!userNotified.getAndSet(true)) {
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+ //TODO: execute on separate thread?
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+ java.awt.EventQueue.invokeLater(new Runnable() {
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+ public void run() {
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+ NotifyDescriptor.Confirmation mesg = new NotifyDescriptor.Confirmation("Original file for " + assetDataObject.getName() + "changed\nTry and reapply mesh data to j3o file?",
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+ "Original file changed.",
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+ NotifyDescriptor.YES_NO_OPTION, NotifyDescriptor.QUESTION_MESSAGE);
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+ DialogDisplayer.getDefault().notify(mesg);
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+ if (mesg.getValue() != NotifyDescriptor.Confirmation.YES_OPTION) {
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+ userNotified.getAndSet(false);
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+ return;
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+ }
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+ SceneApplication.getApplication().enqueue(new Callable<Void>() {
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+ public Void call() throws Exception {
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+ Spatial original = loadOriginalSpatial();
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+ Spatial spat = (Spatial) assetDataObject.loadAsset();
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+ SpatialUtil.updateOriginalMeshData(spat, original);
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+ closeOriginalSpatial();
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+ return null;
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+ }
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+ });
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+ userNotified.getAndSet(false);
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+ }
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+ });
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+ } else {
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+ logger.log(Level.INFO, "User already notified about change in {0}", assetDataObject.getName());
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+ }
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+ }
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+
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+ private Spatial loadOriginalSpatial() {
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+ try {
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+ DataObject dobj = DataObject.find(originalObject);
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+ AssetData originalAssetData = dobj.getLookup().lookup(AssetData.class);
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+ if (originalAssetData != null) {
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+ Savable sav = originalAssetData.loadAsset();
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+ if (sav instanceof Spatial) {
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+ return (Spatial) sav;
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+ } else {
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+ logger.log(Level.SEVERE, "Trying to load original for {0} but it is not a Spatial: {1}", new Object[]{assetDataObject.getName(), originalObject});
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+ }
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+ } else {
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+ logger.log(Level.WARNING, "Could not get AssetData for {0}, original file {1}", new Object[]{assetDataObject.getName(), originalObject});
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+ }
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+ } catch (DataObjectNotFoundException ex) {
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+ Exceptions.printStackTrace(ex);
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+ }
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+ return null;
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+ }
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+
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+ private Spatial closeOriginalSpatial() {
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+ try {
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+ DataObject dobj = DataObject.find(originalObject);
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+ AssetData originalAssetData = dobj.getLookup().lookup(AssetData.class);
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+ if (originalAssetData != null) {
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+ originalAssetData.closeAsset();
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+ } else {
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+ logger.log(Level.WARNING, "Could not get AssetData for {0}, original file {1}", new Object[]{assetDataObject.getName(), originalObject});
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+ }
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+ } catch (DataObjectNotFoundException ex) {
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+ Exceptions.printStackTrace(ex);
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+ }
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+ return null;
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+ }
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+
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+ private void setObservedFilePath(String after) {
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+ ProjectAssetManager mgr = assetDataObject.getLookup().lookup(ProjectAssetManager.class);
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+ if (mgr == null) {
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+ logger.log(Level.WARNING, "File is not part of a jME project but tries to find original model...");
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+ return;
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+ }
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+ FileObject fileObject = mgr.getAssetFileObject(after);
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+ //ignoring same file -> old properties files
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+ if (fileObject != null) {
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+ if (!fileObject.equals(assetDataObject.getPrimaryFile())) {
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+ if (originalObject != null) {
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+ originalObject.removeFileChangeListener(this);
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+ logger.log(Level.INFO, "{0} stop listening for external changes on {1}", new Object[]{assetDataObject.getName(), originalObject});
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+ }
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+ fileObject.addFileChangeListener(this);
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+ logger.log(Level.INFO, "{0} listening for external changes on {1}", new Object[]{assetDataObject.getName(), fileObject});
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+ originalObject = fileObject;
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+ } else {
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+ logger.log(Level.INFO, "Ignoring old reference to self for {0}", assetDataObject.getName());
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+ }
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+ } else {
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+ logger.log(Level.WARNING, "Could not get FileObject for file when trying to find original model file.");
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+ }
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+ }
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+
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+ @Override
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+ public void assetDataPropertyChanged(String property, String before, String after) {
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+ if ("ORIGINAL_PATH".equals(property)) {
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+ logger.log(Level.INFO, "Notified about change in AssetData properties for {0}", assetDataObject.getName());
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+ setObservedFilePath(after);
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+ }
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+ }
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+
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+ public void fileFolderCreated(FileEvent fe) {
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+ }
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+
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+ public void fileDataCreated(FileEvent fe) {
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+ }
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+
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+ public void fileChanged(FileEvent fe) {
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+ logger.log(Level.INFO, "External file {0} for {1} changed!", new Object[]{fe.getFile(), assetDataObject.getName()});
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+ notifyUser();
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+ }
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+
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+ public void fileDeleted(FileEvent fe) {
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+ logger.log(Level.INFO, "External file {0} for {1} deleted!", new Object[]{fe.getFile(), assetDataObject.getName()});
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+ if (originalObject != null) {
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+ logger.log(ApplicationLogHandler.LogLevel.USERINFO, "Remove file change listener for deleted object on {0}", assetDataObject.getName());
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+ originalObject.removeFileChangeListener(this);
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+ originalObject = null;
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+ }
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+ //TODO: add folder listener for when recreated?
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+ }
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+
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+ public void fileRenamed(FileRenameEvent fe) {
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+ logger.log(Level.INFO, "External file {0} for {1} renamed!", new Object[]{fe.getFile(), assetDataObject.getName()});
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+ if (originalObject != null) {
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+ logger.log(Level.WARNING, "Remove file change listener for renamed object on {0}", assetDataObject.getName());
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+ originalObject.removeFileChangeListener(this);
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+ originalObject = null;
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+ }
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+ }
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+
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+ public void fileAttributeChanged(FileAttributeEvent fe) {
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+ }
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+}
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nor..67