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- Add first version of ExternalChangeScanner for BinaryModelDataObject

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10304 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
nor..67 2013-02-02 19:58:22 +00:00
parent 940e5315cf
commit b4ce601544
2 changed files with 216 additions and 0 deletions
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2
sdk/jme3-core/src/com/jme3/gde/core/assets/BinaryModelDataObject.java
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@ -38,6 +38,8 @@ import org.openide.loaders.MultiFileLoader;
public class BinaryModelDataObject extends SpatialAssetDataObject {
protected final ExternalChangeScanner scanner = new ExternalChangeScanner(this);
public BinaryModelDataObject(FileObject pf, MultiFileLoader loader) throws DataObjectExistsException, IOException {
super(pf, loader);
}

214
sdk/jme3-core/src/com/jme3/gde/core/assets/ExternalChangeScanner.java Normal file
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@ -0,0 +1,214 @@
/*
* Copyright (c) 2003-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.gde.core.assets;
import com.jme3.export.Savable;
import com.jme3.gde.core.scene.ApplicationLogHandler;
import com.jme3.gde.core.scene.SceneApplication;
import com.jme3.gde.core.util.SpatialUtil;
import com.jme3.scene.Geometry;
import com.jme3.scene.SceneGraphVisitorAdapter;
import com.jme3.scene.Spatial;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.filesystems.FileAttributeEvent;
import org.openide.filesystems.FileChangeListener;
import org.openide.filesystems.FileEvent;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileRenameEvent;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.util.Exceptions;
/**
* This class scans for external changes of a j3o models original file and tries
* to update the data when it changed.
*
* @author normenhansen
*/
public class ExternalChangeScanner implements AssetDataPropertyChangeListener, FileChangeListener {
private static final Logger logger = Logger.getLogger(ExternalChangeScanner.class.getName());
private static final AtomicBoolean userNotified = new AtomicBoolean(false);
protected final AssetDataObject assetDataObject;
protected final AssetData assetData;
protected FileObject originalObject;
public ExternalChangeScanner(AssetDataObject assetDataObject) {
this.assetDataObject = assetDataObject;
assetData = assetDataObject.getLookup().lookup(AssetData.class);
if (assetData != null) {
String path = assetData.getProperty("ORIGINAL_PATH");
if (path != null) {
setObservedFilePath(path);
}
assetData.addPropertyChangeListener(this);
} else {
logger.log(Level.WARNING, "Trying to observer changes for asset {0} which has no AssetData in Lookup.", assetDataObject.getName());
}
}
private void notifyUser() {
if (!userNotified.getAndSet(true)) {
//TODO: execute on separate thread?
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
NotifyDescriptor.Confirmation mesg = new NotifyDescriptor.Confirmation("Original file for " + assetDataObject.getName() + "changed\nTry and reapply mesh data to j3o file?",
"Original file changed.",
NotifyDescriptor.YES_NO_OPTION, NotifyDescriptor.QUESTION_MESSAGE);
DialogDisplayer.getDefault().notify(mesg);
if (mesg.getValue() != NotifyDescriptor.Confirmation.YES_OPTION) {
userNotified.getAndSet(false);
return;
}
SceneApplication.getApplication().enqueue(new Callable<Void>() {
public Void call() throws Exception {
Spatial original = loadOriginalSpatial();
Spatial spat = (Spatial) assetDataObject.loadAsset();
SpatialUtil.updateOriginalMeshData(spat, original);
closeOriginalSpatial();
return null;
}
});
userNotified.getAndSet(false);
}
});
} else {
logger.log(Level.INFO, "User already notified about change in {0}", assetDataObject.getName());
}
}
private Spatial loadOriginalSpatial() {
try {
DataObject dobj = DataObject.find(originalObject);
AssetData originalAssetData = dobj.getLookup().lookup(AssetData.class);
if (originalAssetData != null) {
Savable sav = originalAssetData.loadAsset();
if (sav instanceof Spatial) {
return (Spatial) sav;
} else {
logger.log(Level.SEVERE, "Trying to load original for {0} but it is not a Spatial: {1}", new Object[]{assetDataObject.getName(), originalObject});
}
} else {
logger.log(Level.WARNING, "Could not get AssetData for {0}, original file {1}", new Object[]{assetDataObject.getName(), originalObject});
}
} catch (DataObjectNotFoundException ex) {
Exceptions.printStackTrace(ex);
}
return null;
}
private Spatial closeOriginalSpatial() {
try {
DataObject dobj = DataObject.find(originalObject);
AssetData originalAssetData = dobj.getLookup().lookup(AssetData.class);
if (originalAssetData != null) {
originalAssetData.closeAsset();
} else {
logger.log(Level.WARNING, "Could not get AssetData for {0}, original file {1}", new Object[]{assetDataObject.getName(), originalObject});
}
} catch (DataObjectNotFoundException ex) {
Exceptions.printStackTrace(ex);
}
return null;
}
private void setObservedFilePath(String after) {
ProjectAssetManager mgr = assetDataObject.getLookup().lookup(ProjectAssetManager.class);
if (mgr == null) {
logger.log(Level.WARNING, "File is not part of a jME project but tries to find original model...");
return;
}
FileObject fileObject = mgr.getAssetFileObject(after);
//ignoring same file -> old properties files
if (fileObject != null) {
if (!fileObject.equals(assetDataObject.getPrimaryFile())) {
if (originalObject != null) {
originalObject.removeFileChangeListener(this);
logger.log(Level.INFO, "{0} stop listening for external changes on {1}", new Object[]{assetDataObject.getName(), originalObject});
}
fileObject.addFileChangeListener(this);
logger.log(Level.INFO, "{0} listening for external changes on {1}", new Object[]{assetDataObject.getName(), fileObject});
originalObject = fileObject;
} else {
logger.log(Level.INFO, "Ignoring old reference to self for {0}", assetDataObject.getName());
}
} else {
logger.log(Level.WARNING, "Could not get FileObject for file when trying to find original model file.");
}
}
@Override
public void assetDataPropertyChanged(String property, String before, String after) {
if ("ORIGINAL_PATH".equals(property)) {
logger.log(Level.INFO, "Notified about change in AssetData properties for {0}", assetDataObject.getName());
setObservedFilePath(after);
}
}
public void fileFolderCreated(FileEvent fe) {
}
public void fileDataCreated(FileEvent fe) {
}
public void fileChanged(FileEvent fe) {
logger.log(Level.INFO, "External file {0} for {1} changed!", new Object[]{fe.getFile(), assetDataObject.getName()});
notifyUser();
}
public void fileDeleted(FileEvent fe) {
logger.log(Level.INFO, "External file {0} for {1} deleted!", new Object[]{fe.getFile(), assetDataObject.getName()});
if (originalObject != null) {
logger.log(ApplicationLogHandler.LogLevel.USERINFO, "Remove file change listener for deleted object on {0}", assetDataObject.getName());
originalObject.removeFileChangeListener(this);
originalObject = null;
}
//TODO: add folder listener for when recreated?
}
public void fileRenamed(FileRenameEvent fe) {
logger.log(Level.INFO, "External file {0} for {1} renamed!", new Object[]{fe.getFile(), assetDataObject.getName()});
if (originalObject != null) {
logger.log(Level.WARNING, "Remove file change listener for renamed object on {0}", assetDataObject.getName());
originalObject.removeFileChangeListener(this);
originalObject = null;
}
}
public void fileAttributeChanged(FileAttributeEvent fe) {
}
}