X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.graphfile%2Fsrc%2Forg%2Fsimantics%2Fgraphfile%2Fhack%2FGraphFile.java;h=72917be13f2757a7b1bee9b2fc25c8673fc6e234;hb=refs%2Fchanges%2F38%2F238%2F2;hp=d8e5b7aa092871f0c7489154bdcf4d3bd03cec94;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.graphfile/src/org/simantics/graphfile/hack/GraphFile.java b/bundles/org.simantics.graphfile/src/org/simantics/graphfile/hack/GraphFile.java
index d8e5b7aa0..72917be13 100644
--- a/bundles/org.simantics.graphfile/src/org/simantics/graphfile/hack/GraphFile.java
+++ b/bundles/org.simantics.graphfile/src/org/simantics/graphfile/hack/GraphFile.java
@@ -1,716 +1,716 @@
-/*******************************************************************************
- * Copyright (c) 2013 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.graphfile.hack;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-import java.net.URI;
-import java.util.Map;
-
-import org.eclipse.core.resources.IContainer;
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IFileState;
-import org.eclipse.core.resources.IMarker;
-import org.eclipse.core.resources.IPathVariableManager;
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.resources.IProjectDescription;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.resources.IResourceProxy;
-import org.eclipse.core.resources.IResourceProxyVisitor;
-import org.eclipse.core.resources.IResourceVisitor;
-import org.eclipse.core.resources.IWorkspace;
-import org.eclipse.core.resources.ResourceAttributes;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.QualifiedName;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.core.runtime.content.IContentDescription;
-import org.eclipse.core.runtime.jobs.ISchedulingRule;
-import org.simantics.Simantics;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.WriteGraph;
-import org.simantics.db.common.request.WriteRequest;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.request.Read;
-import org.simantics.graphfile.Activator;
-import org.simantics.graphfile.ontology.GraphFileResource;
-import org.simantics.layer0.Layer0;
-
-/**
- * This is an implementation of IFile that can be used to open external editor for any file.
- * (Original implementation (org.eclipse.core.filesystem.File) doesn't work without project/file structure) 
- * 
- * @author Marko Luukkainen <Marko.Luukkainen@vtt.fi>
- *
- */
-public class GraphFile implements IFile {
-	private Resource fileResource;
-	private IWorkspace workspace;
-	
-	
-	public GraphFile(Resource fileResource, IWorkspace ws) {
-		this.fileResource = fileResource;
-		this.workspace = ws;
-	}
-	
-	public Resource getFileResource() {
-		return fileResource;
-	}
-	
-	private String getResourceName() {
-		try {
-			return Simantics.getSession().syncRequest(new Read<String>() {
-				@Override
-				public String perform(ReadGraph graph) throws DatabaseException {
-					Layer0 l0 = Layer0.getInstance(graph);
-					return graph.getPossibleRelatedValue(fileResource, l0.HasName);
-				}
-			});
-		} catch (DatabaseException e) {
-			Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to get resource name: " + fileResource, e));
-			return e.getMessage();
-		}
-	}
-	
-	
-	private byte[] getResourceData() throws DatabaseException {
-		return Simantics.getSession().syncRequest(new Read<byte[]>() {
-			@Override
-			public byte[] perform(ReadGraph graph) throws DatabaseException {
-				return getResourceData(graph);
-			}
-		});
-	}
-	
-	private byte[] getResourceData(ReadGraph graph) throws DatabaseException {
-		GraphFileResource gf = GraphFileResource.getInstance(graph);
-		return graph.getRelatedValue(fileResource, gf.HasFiledata);
-	}
-	
-	private long getResourceModificationTime() {
-		try {
-			return Simantics.getSession().syncRequest(new Read<Long>() {
-				@Override
-				public Long perform(ReadGraph graph) throws DatabaseException {
-					return getResourceMofificationTime(graph);
-				}
-			});
-		} catch (DatabaseException e) {
-			return IFile.NULL_STAMP;
-		}
-	}
-	
-	private long getResourceMofificationTime(ReadGraph graph) throws DatabaseException {
-		GraphFileResource gf = GraphFileResource.getInstance(graph);
-		long time =  graph.getRelatedValue(fileResource, gf.LastModified);
-		//System.out.println("Modification time is " + time +  " " + fileResource);
-		return time;
-	}
-	
-	private void setResourceModificationTime(final long time) throws DatabaseException{
-		
-		Simantics.getSession().syncRequest(new WriteRequest() {
-
-			@Override
-			public void perform(WriteGraph graph) throws DatabaseException {
-				setResourceModificationTime(graph, time);
-			}
-		});
-		
-	}
-	
-	private void setResourceModificationTime(WriteGraph graph, long time) throws DatabaseException{
-		GraphFileResource gf = GraphFileResource.getInstance(graph);
-		graph.claimLiteral(fileResource, gf.LastModified, time);
-		//System.out.println("Modification time set to " + time +  " " + fileResource);
-	}
-	
-	
-	@Override
-	public void accept(IResourceProxyVisitor visitor, int memberFlags) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-	
-	@Override
-	public void accept(IResourceVisitor visitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-	
-	@Override
-	public void accept(IResourceVisitor visitor, int depth, boolean includePhantoms) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-	
-	@Override
-	public void accept(IResourceVisitor visitor, int depth, int memberFlags) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-	
-	@Override
-	public void accept(IResourceProxyVisitor visitor, int depth, int memberFlags) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void clearHistory(IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void copy(IPath destination, boolean force, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void copy(IPath destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void copy(IProjectDescription description, boolean force, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void copy(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public IMarker createMarker(String type) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public IResourceProxy createProxy() {
-		return null;
-	}
-
-	@Override
-	public void delete(boolean force, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void delete(int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void deleteMarkers(String type, boolean includeSubtypes, int depth) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public boolean exists() {
-		return true;
-	}
-
-	@Override
-	public IMarker findMarker(long id) throws CoreException {
-		return null;
-	}
-
-	@Override
-	public IMarker[] findMarkers(String type, boolean includeSubtypes, int depth) throws CoreException {
-		return null;
-	}
-
-	@Override
-	public int findMaxProblemSeverity(String type, boolean includeSubtypes, int depth) throws CoreException {
-		return 0;
-	}
-	
-	
-
-	@Override
-	public String getFileExtension() {
-		String name = getResourceName();
-		if (name == null)
-			return null;
-		int i = name.lastIndexOf(".");
-		if (i > 0)
-			return name.substring(i);
-		else
-			return null;
-			
-	}
-
-	@Override
-	public long getLocalTimeStamp() {
-		return 0;
-	}
-	
-	@Override
-	public long setLocalTimeStamp(long value) throws CoreException {
-		try {
-			setResourceModificationTime(value);
-		} catch (DatabaseException e) {
-			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
-		}
-		return value;
-	}
-
-	@Override
-	public IPath getLocation() {
-		//return new Path(getResourceAbsolutePath());
-		return new GraphPath(this);
-	}
-
-	@Override
-	public URI getLocationURI() {
-		return null;
-	}
-
-	@Override
-	public IMarker getMarker(long id) {
-		return null;
-	}
-
-	@Override
-	public long getModificationStamp() {
-		return getResourceModificationTime();
-	}
-
-	@Override
-	public IContainer getParent() {
-		return SystemProject.getDefault();
-	}
-
-	@Override
-	public String getPersistentProperty(QualifiedName key)throws CoreException {
-		return null;
-	}
-
-	@Override
-	public IProject getProject() {
-		return SystemProject.getDefault();
-	}
-
-	@Override
-	public IPath getProjectRelativePath() {
-		return null;
-	}
-
-	@Override
-	public IPath getRawLocation() {
-		//return new Path(getResourceAbsolutePath());
-		return new GraphPath(this);
-	}
-
-	@Override
-	public URI getRawLocationURI() {
-		return null;
-	}
-
-	@Override
-	public ResourceAttributes getResourceAttributes() {
-		return null;
-	}
-
-	@Override
-	public Object getSessionProperty(QualifiedName key) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public int getType() {
-		return IFile.FILE;
-	}
-
-	@Override
-	public IWorkspace getWorkspace() {
-		return workspace;
-	}
-
-	@Override
-	public boolean isAccessible() {
-		return true;
-	}
-
-	@Override
-	public boolean isDerived() {
-		return false;
-	}
-
-	@Override
-	public boolean isLinked() {
-		return false;
-	}
-
-	@Override
-	public boolean isLinked(int options) {
-		return false;
-	}
-
-	@Override
-	public boolean isLocal(int depth) {
-		return true;
-	}
-
-	@Override
-	public boolean isPhantom() {
-		return false;
-	}
-
-	@Override
-	public boolean isSynchronized(int depth) {
-		return true; // FIXME
-	}
-
-	@Override
-	public boolean isTeamPrivateMember() {
-		return false;
-	}
-
-	@Override
-	public void move(IPath destination, boolean force, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void move(IPath destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void move(IProjectDescription description, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void move(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void refreshLocal(int depth, IProgressMonitor monitor) throws CoreException {
-		
-		//throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void revertModificationStamp(long value) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setDerived(boolean isDerived) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setLocal(boolean flag, int depth, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	
-
-	@Override
-	public void setPersistentProperty(QualifiedName key, String value) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setReadOnly(boolean readOnly) {
-
-	}
-
-	@Override
-	public void setResourceAttributes(ResourceAttributes attributes) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void setSessionProperty(QualifiedName key, Object value) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
-	}
-
-	@Override
-	public void setTeamPrivateMember(boolean isTeamPrivate) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void touch(IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
-	}
-
-	@SuppressWarnings({ "rawtypes" })
-	@Override
-	public Object getAdapter(Class adapter) {
-		return null;
-	}
-
-	@Override
-	public boolean contains(ISchedulingRule rule) {
-		if (this.equals(rule))
-			return true;
-		return false;
-	}
-
-	@Override
-	public boolean isConflicting(ISchedulingRule rule) {
-		if (this.equals(rule)) // TODO : check cached timestamp
-			return true;
-		return false;
-	}
-
-	@Override
-	public void appendContents(InputStream source, boolean force,boolean keepHistory, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void appendContents(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
-	}
-
-	@Override
-	public void create(InputStream source, boolean force, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void create(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void createLink(IPath localLocation, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public void createLink(URI location, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void delete(boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-		
-	}
-
-	@Override
-	public String getCharset() throws CoreException {
-		return getCharset(true);
-	}
-
-	@Override
-	public String getCharset(boolean checkImplicit) throws CoreException {
-		// FIXME
-		return "UTF-8";
-	}
-	
-	@Override
-	public int getEncoding() throws CoreException {
-		// FIXME
-		return ENCODING_UTF_8;
-	}
-
-	@Override
-	public String getCharsetFor(Reader reader) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public IContentDescription getContentDescription() throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public InputStream getContents() throws CoreException {
-		return getContents(false);
-	}
-
-	@Override
-	public InputStream getContents(boolean force) throws CoreException {
-		try {
-			return new ByteArrayInputStream(getResourceData());
-		} catch (DatabaseException e) {
-			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
-		}
-	}
-
-	
-
-	@Override
-	public IPath getFullPath() {
-		//return new Path(getResourceAbsolutePath());
-		return new GraphPath(this);
-	}
-
-	@Override
-	public IFileState[] getHistory(IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public String getName() {
-		return getResourceName();
-	}
-
-	@Override
-	public boolean isReadOnly() {
-		return false;
-	}
-
-	@Override
-	public void move(IPath destination, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setCharset(String newCharset, IProgressMonitor monitor) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setCharset(String newCharset) throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
-	}
-
-	@Override
-	public void setContents(IFileState source, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
-		setContents(source.getContents(), force, keepHistory, monitor);
-		setLocalTimeStamp(source.getModificationTime());
-	}
-
-	@Override
-	public void setContents(IFileState source, int updateFlags,
-			IProgressMonitor monitor) throws CoreException {
-		setContents(source.getContents(), updateFlags, monitor);
-		setLocalTimeStamp(source.getModificationTime());
-	}
-
-	@Override
-	public void setContents(InputStream source, boolean force,
-			boolean keepHistory, IProgressMonitor monitor)
-			throws CoreException {
-		setContents(source, (keepHistory ? KEEP_HISTORY : IResource.NONE) | (force ? FORCE : IResource.NONE), monitor);
-	}
-
-	@Override
-	public void setContents(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
-		
-		
-		final ByteArrayOutputStream os = new ByteArrayOutputStream();
-		try {
-			byte buf[] = new byte[1024];
-			int count = 0;
-			while ((count = source.read(buf)) > 0) {
-				os.write(buf,0,count);
-			}
-			os.close();
-			Simantics.getSession().syncRequest(new WriteRequest() {
-				
-				@Override
-				public void perform(WriteGraph graph) throws DatabaseException {
-					long time = System.currentTimeMillis();
-					GraphFileResource gf = GraphFileResource.getInstance(graph);
-					graph.claimLiteral(fileResource, gf.HasFiledata, os.toByteArray());
-					setResourceModificationTime(graph, time);
-				}
-			});
-		} catch (DatabaseException e ) {
-			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
-		} catch (IOException e) {
-			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile IO error",e));
-		}
-	}
-
-	@SuppressWarnings({ "rawtypes" })
-	@Override
-	public Map getPersistentProperties() throws CoreException {
-		return null;
-	}
-
-	@SuppressWarnings({ "rawtypes" })
-	@Override
-	public Map getSessionProperties() throws CoreException {
-		return null;
-	}
-
-	@Override
-	public boolean isDerived(int options) {
-		return false;
-	}
-
-	@Override
-	public boolean isHidden() {
-		return false;
-	}
-
-	@Override
-	public void setHidden(boolean isHidden) throws CoreException {
-
-	}
-
-	@Override
-	public boolean isHidden(int options) {
-		return false;
-	}
-
-	@Override
-	public boolean isTeamPrivateMember(int options) {
-		return false;
-	}
-	
-	@Override
-	public IPathVariableManager getPathVariableManager() {
-		return null;
-	}
-	
-	@Override
-	public boolean isVirtual() {
-		return false;
-	}
-	
-	@Override
-	public void setDerived(boolean isDerived, IProgressMonitor monitor)
-			throws CoreException {
-		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));		
-	}
-
-	
-	@Override
-	public boolean equals(Object obj) {
-		if (obj == null)
-			return false;
-		if (obj.getClass() != getClass())
-			return false;
-		GraphFile other = (GraphFile)obj;
-		return fileResource.equals(other.fileResource);
-	}
-	
-	@Override
-	public int hashCode() {
-		return fileResource.hashCode();
-	}
-
-}
-
+/*******************************************************************************
+ * Copyright (c) 2013 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.graphfile.hack;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.net.URI;
+import java.util.Map;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFileState;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IPathVariableManager;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IProjectDescription;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceProxy;
+import org.eclipse.core.resources.IResourceProxyVisitor;
+import org.eclipse.core.resources.IResourceVisitor;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.resources.ResourceAttributes;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.QualifiedName;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.content.IContentDescription;
+import org.eclipse.core.runtime.jobs.ISchedulingRule;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+import org.simantics.graphfile.Activator;
+import org.simantics.graphfile.ontology.GraphFileResource;
+import org.simantics.layer0.Layer0;
+
+/**
+ * This is an implementation of IFile that can be used to open external editor for any file.
+ * (Original implementation (org.eclipse.core.filesystem.File) doesn't work without project/file structure) 
+ * 
+ * @author Marko Luukkainen <Marko.Luukkainen@vtt.fi>
+ *
+ */
+public class GraphFile implements IFile {
+	private Resource fileResource;
+	private IWorkspace workspace;
+	
+	
+	public GraphFile(Resource fileResource, IWorkspace ws) {
+		this.fileResource = fileResource;
+		this.workspace = ws;
+	}
+	
+	public Resource getFileResource() {
+		return fileResource;
+	}
+	
+	private String getResourceName() {
+		try {
+			return Simantics.getSession().syncRequest(new Read<String>() {
+				@Override
+				public String perform(ReadGraph graph) throws DatabaseException {
+					Layer0 l0 = Layer0.getInstance(graph);
+					return graph.getPossibleRelatedValue(fileResource, l0.HasName);
+				}
+			});
+		} catch (DatabaseException e) {
+			Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to get resource name: " + fileResource, e));
+			return e.getMessage();
+		}
+	}
+	
+	
+	private byte[] getResourceData() throws DatabaseException {
+		return Simantics.getSession().syncRequest(new Read<byte[]>() {
+			@Override
+			public byte[] perform(ReadGraph graph) throws DatabaseException {
+				return getResourceData(graph);
+			}
+		});
+	}
+	
+	private byte[] getResourceData(ReadGraph graph) throws DatabaseException {
+		GraphFileResource gf = GraphFileResource.getInstance(graph);
+		return graph.getRelatedValue(fileResource, gf.HasFiledata);
+	}
+	
+	private long getResourceModificationTime() {
+		try {
+			return Simantics.getSession().syncRequest(new Read<Long>() {
+				@Override
+				public Long perform(ReadGraph graph) throws DatabaseException {
+					return getResourceMofificationTime(graph);
+				}
+			});
+		} catch (DatabaseException e) {
+			return IFile.NULL_STAMP;
+		}
+	}
+	
+	private long getResourceMofificationTime(ReadGraph graph) throws DatabaseException {
+		GraphFileResource gf = GraphFileResource.getInstance(graph);
+		long time =  graph.getRelatedValue(fileResource, gf.LastModified);
+		//System.out.println("Modification time is " + time +  " " + fileResource);
+		return time;
+	}
+	
+	private void setResourceModificationTime(final long time) throws DatabaseException{
+		
+		Simantics.getSession().syncRequest(new WriteRequest() {
+
+			@Override
+			public void perform(WriteGraph graph) throws DatabaseException {
+				setResourceModificationTime(graph, time);
+			}
+		});
+		
+	}
+	
+	private void setResourceModificationTime(WriteGraph graph, long time) throws DatabaseException{
+		GraphFileResource gf = GraphFileResource.getInstance(graph);
+		graph.claimLiteral(fileResource, gf.LastModified, time);
+		//System.out.println("Modification time set to " + time +  " " + fileResource);
+	}
+	
+	
+	@Override
+	public void accept(IResourceProxyVisitor visitor, int memberFlags) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+	
+	@Override
+	public void accept(IResourceVisitor visitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+	
+	@Override
+	public void accept(IResourceVisitor visitor, int depth, boolean includePhantoms) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+	
+	@Override
+	public void accept(IResourceVisitor visitor, int depth, int memberFlags) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+	
+	@Override
+	public void accept(IResourceProxyVisitor visitor, int depth, int memberFlags) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void clearHistory(IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void copy(IPath destination, boolean force, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void copy(IPath destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void copy(IProjectDescription description, boolean force, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void copy(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public IMarker createMarker(String type) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public IResourceProxy createProxy() {
+		return null;
+	}
+
+	@Override
+	public void delete(boolean force, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void delete(int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void deleteMarkers(String type, boolean includeSubtypes, int depth) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public boolean exists() {
+		return true;
+	}
+
+	@Override
+	public IMarker findMarker(long id) throws CoreException {
+		return null;
+	}
+
+	@Override
+	public IMarker[] findMarkers(String type, boolean includeSubtypes, int depth) throws CoreException {
+		return null;
+	}
+
+	@Override
+	public int findMaxProblemSeverity(String type, boolean includeSubtypes, int depth) throws CoreException {
+		return 0;
+	}
+	
+	
+
+	@Override
+	public String getFileExtension() {
+		String name = getResourceName();
+		if (name == null)
+			return null;
+		int i = name.lastIndexOf(".");
+		if (i > 0)
+			return name.substring(i);
+		else
+			return null;
+			
+	}
+
+	@Override
+	public long getLocalTimeStamp() {
+		return 0;
+	}
+	
+	@Override
+	public long setLocalTimeStamp(long value) throws CoreException {
+		try {
+			setResourceModificationTime(value);
+		} catch (DatabaseException e) {
+			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
+		}
+		return value;
+	}
+
+	@Override
+	public IPath getLocation() {
+		//return new Path(getResourceAbsolutePath());
+		return new GraphPath(this);
+	}
+
+	@Override
+	public URI getLocationURI() {
+		return null;
+	}
+
+	@Override
+	public IMarker getMarker(long id) {
+		return null;
+	}
+
+	@Override
+	public long getModificationStamp() {
+		return getResourceModificationTime();
+	}
+
+	@Override
+	public IContainer getParent() {
+		return SystemProject.getDefault();
+	}
+
+	@Override
+	public String getPersistentProperty(QualifiedName key)throws CoreException {
+		return null;
+	}
+
+	@Override
+	public IProject getProject() {
+		return SystemProject.getDefault();
+	}
+
+	@Override
+	public IPath getProjectRelativePath() {
+		return null;
+	}
+
+	@Override
+	public IPath getRawLocation() {
+		//return new Path(getResourceAbsolutePath());
+		return new GraphPath(this);
+	}
+
+	@Override
+	public URI getRawLocationURI() {
+		return null;
+	}
+
+	@Override
+	public ResourceAttributes getResourceAttributes() {
+		return null;
+	}
+
+	@Override
+	public Object getSessionProperty(QualifiedName key) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public int getType() {
+		return IFile.FILE;
+	}
+
+	@Override
+	public IWorkspace getWorkspace() {
+		return workspace;
+	}
+
+	@Override
+	public boolean isAccessible() {
+		return true;
+	}
+
+	@Override
+	public boolean isDerived() {
+		return false;
+	}
+
+	@Override
+	public boolean isLinked() {
+		return false;
+	}
+
+	@Override
+	public boolean isLinked(int options) {
+		return false;
+	}
+
+	@Override
+	public boolean isLocal(int depth) {
+		return true;
+	}
+
+	@Override
+	public boolean isPhantom() {
+		return false;
+	}
+
+	@Override
+	public boolean isSynchronized(int depth) {
+		return true; // FIXME
+	}
+
+	@Override
+	public boolean isTeamPrivateMember() {
+		return false;
+	}
+
+	@Override
+	public void move(IPath destination, boolean force, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void move(IPath destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void move(IProjectDescription description, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void move(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void refreshLocal(int depth, IProgressMonitor monitor) throws CoreException {
+		
+		//throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void revertModificationStamp(long value) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setDerived(boolean isDerived) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setLocal(boolean flag, int depth, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	
+
+	@Override
+	public void setPersistentProperty(QualifiedName key, String value) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setReadOnly(boolean readOnly) {
+
+	}
+
+	@Override
+	public void setResourceAttributes(ResourceAttributes attributes) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void setSessionProperty(QualifiedName key, Object value) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
+	}
+
+	@Override
+	public void setTeamPrivateMember(boolean isTeamPrivate) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void touch(IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
+	}
+
+	@SuppressWarnings({ "rawtypes" })
+	@Override
+	public Object getAdapter(Class adapter) {
+		return null;
+	}
+
+	@Override
+	public boolean contains(ISchedulingRule rule) {
+		if (this.equals(rule))
+			return true;
+		return false;
+	}
+
+	@Override
+	public boolean isConflicting(ISchedulingRule rule) {
+		if (this.equals(rule)) // TODO : check cached timestamp
+			return true;
+		return false;
+	}
+
+	@Override
+	public void appendContents(InputStream source, boolean force,boolean keepHistory, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void appendContents(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));	
+	}
+
+	@Override
+	public void create(InputStream source, boolean force, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void create(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void createLink(IPath localLocation, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public void createLink(URI location, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void delete(boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+		
+	}
+
+	@Override
+	public String getCharset() throws CoreException {
+		return getCharset(true);
+	}
+
+	@Override
+	public String getCharset(boolean checkImplicit) throws CoreException {
+		// FIXME
+		return "UTF-8";
+	}
+	
+	@Override
+	public int getEncoding() throws CoreException {
+		// FIXME
+		return ENCODING_UTF_8;
+	}
+
+	@Override
+	public String getCharsetFor(Reader reader) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public IContentDescription getContentDescription() throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public InputStream getContents() throws CoreException {
+		return getContents(false);
+	}
+
+	@Override
+	public InputStream getContents(boolean force) throws CoreException {
+		try {
+			return new ByteArrayInputStream(getResourceData());
+		} catch (DatabaseException e) {
+			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
+		}
+	}
+
+	
+
+	@Override
+	public IPath getFullPath() {
+		//return new Path(getResourceAbsolutePath());
+		return new GraphPath(this);
+	}
+
+	@Override
+	public IFileState[] getHistory(IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public String getName() {
+		return getResourceName();
+	}
+
+	@Override
+	public boolean isReadOnly() {
+		return false;
+	}
+
+	@Override
+	public void move(IPath destination, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setCharset(String newCharset, IProgressMonitor monitor) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setCharset(String newCharset) throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));
+	}
+
+	@Override
+	public void setContents(IFileState source, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException {
+		setContents(source.getContents(), force, keepHistory, monitor);
+		setLocalTimeStamp(source.getModificationTime());
+	}
+
+	@Override
+	public void setContents(IFileState source, int updateFlags,
+			IProgressMonitor monitor) throws CoreException {
+		setContents(source.getContents(), updateFlags, monitor);
+		setLocalTimeStamp(source.getModificationTime());
+	}
+
+	@Override
+	public void setContents(InputStream source, boolean force,
+			boolean keepHistory, IProgressMonitor monitor)
+			throws CoreException {
+		setContents(source, (keepHistory ? KEEP_HISTORY : IResource.NONE) | (force ? FORCE : IResource.NONE), monitor);
+	}
+
+	@Override
+	public void setContents(InputStream source, int updateFlags, IProgressMonitor monitor) throws CoreException {
+		
+		
+		final ByteArrayOutputStream os = new ByteArrayOutputStream();
+		try {
+			byte buf[] = new byte[1024];
+			int count = 0;
+			while ((count = source.read(buf)) > 0) {
+				os.write(buf,0,count);
+			}
+			os.close();
+			Simantics.getSession().syncRequest(new WriteRequest() {
+				
+				@Override
+				public void perform(WriteGraph graph) throws DatabaseException {
+					long time = System.currentTimeMillis();
+					GraphFileResource gf = GraphFileResource.getInstance(graph);
+					graph.claimLiteral(fileResource, gf.HasFiledata, os.toByteArray());
+					setResourceModificationTime(graph, time);
+				}
+			});
+		} catch (DatabaseException e ) {
+			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile transaction error",e));
+		} catch (IOException e) {
+			throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"GraphFile IO error",e));
+		}
+	}
+
+	@SuppressWarnings({ "rawtypes" })
+	@Override
+	public Map getPersistentProperties() throws CoreException {
+		return null;
+	}
+
+	@SuppressWarnings({ "rawtypes" })
+	@Override
+	public Map getSessionProperties() throws CoreException {
+		return null;
+	}
+
+	@Override
+	public boolean isDerived(int options) {
+		return false;
+	}
+
+	@Override
+	public boolean isHidden() {
+		return false;
+	}
+
+	@Override
+	public void setHidden(boolean isHidden) throws CoreException {
+
+	}
+
+	@Override
+	public boolean isHidden(int options) {
+		return false;
+	}
+
+	@Override
+	public boolean isTeamPrivateMember(int options) {
+		return false;
+	}
+	
+	@Override
+	public IPathVariableManager getPathVariableManager() {
+		return null;
+	}
+	
+	@Override
+	public boolean isVirtual() {
+		return false;
+	}
+	
+	@Override
+	public void setDerived(boolean isDerived, IProgressMonitor monitor)
+			throws CoreException {
+		throw new CoreException(new Status(Status.ERROR,Activator.PLUGIN_ID,"not supported"));		
+	}
+
+	
+	@Override
+	public boolean equals(Object obj) {
+		if (obj == null)
+			return false;
+		if (obj.getClass() != getClass())
+			return false;
+		GraphFile other = (GraphFile)obj;
+		return fileResource.equals(other.fileResource);
+	}
+	
+	@Override
+	public int hashCode() {
+		return fileResource.hashCode();
+	}
+
+}
+