X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.debug.ui%2Fsrc%2Forg%2Fsimantics%2Fdebug%2Fui%2Fgraph%2FGraphicalDebugger.java;h=fef011b8d4efdcc754d314d23f8df5003ce53b59;hb=738abdf21b01a265c08f40c1e0f601406c58666e;hp=c2ad9f18afa0c52a93d1f7cebd57a4864e054b1c;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.debug.ui/src/org/simantics/debug/ui/graph/GraphicalDebugger.java b/bundles/org.simantics.debug.ui/src/org/simantics/debug/ui/graph/GraphicalDebugger.java
index c2ad9f18a..fef011b8d 100644
--- a/bundles/org.simantics.debug.ui/src/org/simantics/debug/ui/graph/GraphicalDebugger.java
+++ b/bundles/org.simantics.debug.ui/src/org/simantics/debug/ui/graph/GraphicalDebugger.java
@@ -1,555 +1,555 @@
-package org.simantics.debug.ui.graph;
-
-import java.awt.Point;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
-import java.awt.geom.AffineTransform;
-import java.awt.geom.NoninvertibleTransformException;
-import java.awt.geom.Point2D;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.swing.SwingUtilities;
-
-import org.eclipse.jface.layout.GridDataFactory;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.browser.Browser;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.Session;
-import org.simantics.db.Statement;
-import org.simantics.db.common.uri.ResourceToPossibleURI;
-import org.simantics.db.common.utils.OrderedSetUtils;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.exception.ValidationException;
-import org.simantics.db.service.ClusteringSupport;
-import org.simantics.debug.ui.GraphDebugger;
-import org.simantics.debug.ui.internal.HashMultiMap;
-import org.simantics.graphviz.Edge;
-import org.simantics.graphviz.Graph;
-import org.simantics.graphviz.IGraphPart;
-import org.simantics.graphviz.Node;
-import org.simantics.graphviz.drawable.ViewerCanvas;
-import org.simantics.graphviz.ui.GraphvizComponent2;
-import org.simantics.layer0.Layer0;
-import org.simantics.utils.datastructures.BijectionMap;
-import org.simantics.utils.datastructures.MapList;
-import org.simantics.utils.ui.ErrorLogger;
-
-
-
-public class GraphicalDebugger extends GraphDebugger {
-	
-	public enum Style{dot,neato,fdp,sfdp,twopi,circo};
-	
-	private Graph graph;
-	private BijectionMap<Resource, Node> nodeMap = new BijectionMap<Resource, Node>();
-	private MapList<Resource, Edge> edgeMap = new MapList<Resource, Edge>();
-	private Map<Edge,Resource> edgeMap2 = new HashMap<Edge, Resource>();
-	private Set<Resource> processed = new HashSet<Resource>();
-	
-	private GraphvizComponent2 graphVizComponent;
-	
-	private int depth = 1;
-	private Style style = Style.dot;
-	
-	public GraphicalDebugger(Composite parent, int style, final Session session, Resource resource) {
-		super(parent, style, session, resource);
-	}
-	
-	public void defaultInitializeUI() {
-        setLayout(new GridLayout(2, false));
-        setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
-
-        createResourceText(this);
-        createDropLabel(this);
-        createGraph(this);
-
-    }
-	
-	public int getDepth() {
-		return depth;
-	}
-	
-	public void setDepth(int depth) {
-		if (depth < 1)
-			return;
-		if(depth == this.depth)
-			return;
-		this.depth = depth;
-		refreshBrowser();
-	}
-	
-	public Style getGraphStyle() {
-		return style;
-	}
-	
-	public void setGraphStyle(Style style) {
-		if (this.style == style)
-			return;
-		this.style = style;
-		refreshBrowser();
-	}
-	
-	@Override
-	protected void initializeCSS() {
-		// do nothing
-	}
-	
-	@Override
-	public Browser createBrowser(Composite parent) {
-		// do nothing
-		return null;
-	}
-	
-	public GraphvizComponent2 createGraph(Composite parent) {
-		graph = new Graph();
-		graph.setRankdir("LR");
-		graphVizComponent = new GraphvizComponent2(parent, SWT.NONE);
-		SwingUtilities.invokeLater(new Runnable() {
-			
-			@Override
-			public void run() {
-				graphVizComponent.getCanvas().addMouseListener(new MouseListener() {
-					
-					@Override
-					public void mouseReleased(MouseEvent arg0) {
-
-					}
-					
-					@Override
-					public void mousePressed(MouseEvent arg0) {
-
-					}
-					
-					@Override
-					public void mouseExited(MouseEvent arg0) {
-
-					}
-					
-					@Override
-					public void mouseEntered(MouseEvent arg0) {
-
-					}
-					
-					@Override
-					public void mouseClicked(MouseEvent arg0) {
-						if (arg0.getClickCount() > 1) {
-							Point p = arg0.getPoint();
-							pick(p);
-						}
-					}
-				});
-			}
-		});
-
-		GridDataFactory.fillDefaults().span(2, 1).grab(true, true).applyTo(graphVizComponent);
-		refreshBrowser();
-		return graphVizComponent;
-	}
-	
-	protected void pick(Point p) {
-		
-		AffineTransform at = ((ViewerCanvas)graphVizComponent.getCanvas()).getTransform();
-		Point2D pickPoint = new Point2D.Double();
-		try {
-			at.inverseTransform(new Point2D.Double((double)p.x,(double)p.y), pickPoint);
-		} catch (NoninvertibleTransformException e) {
-			return;
-		}
-
-		Collection<IGraphPart> parts = graphVizComponent.getDrawable().pick(pickPoint);
-		for (IGraphPart part : parts) {
-			if (part instanceof Node) {
-				Resource r = nodeMap.getLeft((Node)part);
-				if (r != null && !r.equals(getDebuggerLocation())) {
-					changeLocation(r);
-					return;
-				} 
-				
-			} 
-		}
-		for (IGraphPart part : parts) {
-			if (part instanceof Edge) {
-				Resource r = edgeMap2.get(part);
-				if (r != null && !r.equals(getDebuggerLocation())) {
-					changeLocation(r);
-					return;
-				}
-			}
-		}
-	}
-	
-	protected Node getOrCreate(Resource r) {
-		Node n = nodeMap.getRight(r);
-		if (n == null) {
-			n = new Node(graph);
-			if (!r.isPersistent()) {
-				n.setShape("box");
-				n.setFontColor("blue");
-			}
-			nodeMap.map(r, n);
-		}
-		return n;
-	}
-	
-	@SuppressWarnings("unused")
-	protected void appendLabel(Node node, String text) {
-		String label = node.get("label");
-		if (true) {
-			if (label == null || label.length() == 0)
-				label = text;//escape(text);
-			else {
-				label = label.substring(1,label.length()-1);
-				label += "<br/>"+text;
-			}
-			label = "<" + label + ">";
-		} else {
-			if (label == null || label.length() == 0)
-				label = text;
-			else {
-				label += " "+text;
-			}
-			
-		}
-		node.setLabel(label);
-	}
-	
-
-
-	
-	protected synchronized void updateContent(final ReadGraph g, Resource... resources) throws DatabaseException {
-		L0 = Layer0.getInstance(g);
-		
-		graph = new Graph();
-		graph.setRankdir("LR");
-		
-		nodeMap.clear();
-		edgeMap.clear();
-		edgeMap2.clear();
-		processed.clear();
-		
-		//links.clear();
-        //StringBuffer content = new StringBuffer();
-
-        // Generate HTML -page
-//        content.append("<html><head>" + getHead() + "</head>\n");
-//        content.append("<body>\n");
-//        content.append("<div id=\"mainContent\">\n");
-
-       // content.append("</div>\n");
-        //content.append("</body></html>\n");
-		createContent(g, depth, resources);
-       
-		// Update content
-        //graph.write(System.out);
-        graphVizComponent.setGraph(graph,style.toString());
-	}
-	
-	private void createContent(final ReadGraph g, int iter, Resource... resources) throws DatabaseException {
-		if (iter == 0)
-			return;
-        for (Resource r : resources) {
-            if (r == null)
-                continue;
-            if (processed.contains(r))
-            	continue;
-            Node node = getResourceRef(g, r);
-            if (r.equals(getDebuggerLocation())) {
-            	node.setFillColor("#aaffaa");
-				node.setStyle("filled");
-            }
-          //Node node = getOrCreate(r);
-            processed.add(r);
-            
-            
-            
-            String uri = null;
-            try {
-                uri = g.syncRequest(new ResourceToPossibleURI(r));
-            } catch (Exception e) {
-                e.printStackTrace();
-                uri = "Cannot get URI: " + e.getMessage();
-            }
-            if (uri != null)
-            	appendLabel(node, "URI: " + uri);
-                //content.append("\t\t<div class=\"monospaced\">" + uri + "</div><br/>");
-
-            Collection<Statement> statements = g.getStatements(r, L0.IsWeaklyRelatedTo);
-            HashMultiMap<Resource, Resource[]> map = new HashMultiMap<Resource, Resource[]>();
-            for(org.simantics.db.Statement statement : statements) {
-                Resource predicate = null;
-                Resource subject = null;
-                Resource obj = null;
-                try {
-                    predicate = statement.getPredicate();
-                    subject = statement.getSubject();
-                    obj = statement.getObject();
-                    map.add(predicate, new Resource[] {subject, obj});
-                } catch (Throwable e) {
-                    e.printStackTrace();
-                    ErrorLogger.defaultLogError("Cannot find statement " + subject + " " + predicate + " " + obj, e);
-                }
-            }
-            ClusteringSupport support = g.getSession().getService(ClusteringSupport.class);
-            //content.append("<h3>" + " ["+ r.getResourceId() + "-" + support.getCluster(r) + "] " + "</h3>\n");
-            appendLabel(node,  " ["+ r.getResourceId() + "-" + support.getCluster(r) + "]");
-            
-            //content.append("<table>\n");
-            //content.append("<tr><th>Predicate</th><th>Object</th></tr>");
-            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Basic information</td></tr>");
-
-            boolean isOrderedSet = g.isInstanceOf(r, L0.OrderedSet);
-            map.remove(r);
-
-            // BASIC INFORMATION:
-            for (Resource pred :
-                new Resource[] {L0.HasName, L0.InstanceOf,
-                    L0.Inherits, L0.SubrelationOf,
-                    L0.ConsistsOf, L0.PartOf})
-                if (map.containsKey(pred))
-                    updatePred(node, g, r, pred, map.remove(pred));
-
-            // TAGS
-            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Tags</td></tr>");
-            for(Statement stm : statements) {
-                if(stm.getSubject().equals(stm.getObject())) {
-                    updateTag(node, g, r, stm.getPredicate(), "Tag");
-                    map.remove(stm.getPredicate());
-                }
-            }
-
-            // ORDERED SETS
-            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Ordered Sets</td></tr>");
-            for(Statement stm : statements) {
-                Resource predicate = stm.getPredicate();
-                if(g.isInstanceOf(stm.getPredicate(), L0.OrderedSet)) {
-                    updateTag(node, g, r, stm.getPredicate(), "Ordered Set");
-                    map.remove(stm.getPredicate());
-                }
-                Resource inverse = g.getPossibleInverse(predicate);
-                if (inverse != null) {
-                    if(g.isInstanceOf(inverse, L0.OrderedSet)) {
-                        map.remove(stm.getPredicate());
-                    }
-                } else {
-                    // FIXME : should we inform missing inverse
-                }
-            }
-
-            // IS RELATED TO
-            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Is Related To</td></tr>");
-
-            // ELEMENTS OF ORDERED SET
-            if(isOrderedSet) {
-                //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Ordered set</td></tr>");
-                try {
-                    updateOrderedSet(node, g, r);
-                } catch (ValidationException e) {
-                    //content.append("<td colspan=\"2\"><span style=\"color:red;font-weight:bold\">BROKEN ORDERED SET:<br/></span><span style=\"color:red\">" + e.getMessage() + "</span></td>");
-                }
-            }
-
-            // IS RELATED TO (other)
-            Resource[] preds = map.keySet().toArray(new Resource[0]);
-            final Map<Resource, String> strmap = new HashMap<Resource, String>(preds.length);
-            for(Resource pred : preds) {
-                String str = htmlEscape(getResourceName(g, pred));
-                if(str == null)
-                    str = "<null>";
-                strmap.put(pred, str);
-            }
-            Arrays.sort(preds, new Comparator<Resource>() {
-                @Override
-                public int compare(Resource o1, Resource o2) {
-                    return strmap.get(o1).compareTo(strmap.get(o2));
-                }
-            });
-            for(Resource pred : preds)
-                if(g.isSubrelationOf(pred, L0.IsRelatedTo))
-                    updatePred(node, g, r, pred, map.get(pred));
-
-            // OTHER STATEMENTS
-            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Other statements</td></tr>");
-            for(Resource pred : preds)
-                if(!g.isSubrelationOf(pred, L0.IsRelatedTo))
-                    updatePred(node, g, r, pred, map.get(pred));
-           // content.append("</table>\n");
-            
-            Resource objects[] = new Resource[statements.size()];
-            int i = 0;
-            for (Statement stm : statements) {
-            	objects[i] = stm.getObject();
-            	i++;
-            }
-            createContent(g, iter-1, objects);
-        }
-	}
-	
-	private Node getResourceRef(ReadGraph graph, Resource r) throws DatabaseException {
-        Node node = nodeMap.getRight(r);
-        if (node == null) {
-        	node = getOrCreate(r);
-        	appendLabel(node, htmlEscape(getResourceName(graph, r)));
-        }
-        return node;
-    }
-	
-	private class NodeObject {
-		public String name;
-		public Node node;
-		@SuppressWarnings("unused")
-		public Resource r;
-		
-	}
-	
-	private void updatePred(Node node, ReadGraph graph, Resource subj, Resource pred, List<Resource[]> stats) throws DatabaseException {
-        // Generate output content from statements
-        NodeObject[] objects = new NodeObject[stats.size()];
-        for (int i = 0; i < stats.size(); ++i) {
-            Resource stmSubject = stats.get(i)[0];
-            Resource object = stats.get(i)[1];
-
-            objects[i] = new NodeObject();
-            objects[i].r = object;
-            objects[i].name = htmlEscape( getResourceName(graph, object) );
-            objects[i].node = getResourceRef(graph, object);
-
-            // Make a note if the statement was acquired.
-            if(!stmSubject.equals(subj)) {
-                Node asserted = getResourceRef(graph, stmSubject);
-                Edge e = new Edge(this.graph, objects[i].node, asserted);
-                e.setLabel("Asserted in");
-                
-                objects[i].node.setFillColor("#ffaaaa");
-                objects[i].node.setStyle("filled");
-            }
-        }
-
-        // Sort statements by object name
-        Arrays.sort(objects, new Comparator<NodeObject>() {
-            @Override
-            public int compare(NodeObject o1, NodeObject o2) {
-                return o1.name.compareTo(o2.name);
-            }
-        });
-
-        String predName = getResourceName(graph, pred);
-        // Output table rows
-        for (int i = 0; i < objects.length; ++i) {
-        	Edge e = new Edge(this.graph,node, objects[i].node);
-        	e.setLabel(predName);
-        	edgeMap.add(pred, e);
-        	edgeMap2.put(e, pred);
-            //content.append("<tr>");
-            // Predicate column
-            //if (i == 0)
-                //content.append("<td rowspan=\"" + objects.length + "\" valign=\"top\">" + getResourceRef(graph, pred) + "</td>");
-
-            // Object column
-            //if (objects[i][3] == null) content.append("<td>");
-            //else content.append("<td class=\"acquired\">");
-
-            //content.append(objects[i][2]);
-            //if (objects[i][3] != null)
-            //    content.append(objects[i][3]);
-
-            //content.append("</td>");
-
-            // Statement remove -link column
-            // Only allowed for non-acquired statements.
-            //if (objects[i][3] == null) {
-            //    content.append("<td class=\"remove\">");
-            //    content.append(getStatementRemoveRef(subj, pred, links.getRight(objects[i][0])));
-            //    content.append("</td>");
-            //}
-            //content.append("</tr>");
-        }
-    }
-	
-	private void updateTag(Node node, ReadGraph graph, Resource subj, Resource tag, String title) throws DatabaseException {
-
-        // Generate output content from statements
-        Node ref = getResourceRef(graph, tag);
-        Edge e = new Edge(this.graph, node, ref);
-        e.setLabel(title);
-        
-//        content.append("<tr>");
-//        content.append("<td rowspan=\"1\" colspan=\"2\" valign=\"top\">" + ref + "</td>");
-//        content.append("<td class=\"remove\">");
-//        content.append(getStatementRemoveRef(subj, tag, subj));
-//        content.append("</td>");
-//        content.append("</tr>");
-
-    }
-	
-	
-	
-	private void updateOrderedSet(Node node, ReadGraph graph, Resource subj) throws DatabaseException {
-
-//		StringBuffer content = new StringBuffer();
-        //List<String> list = new ArrayList<String>();
-		List<Node> list = new ArrayList<Node>();
-        Resource cur = subj;
-        while(true) {
-            try {
-                cur = OrderedSetUtils.next(graph, subj, cur);
-            } catch(DatabaseException e) {
-            	Edge edge = new Edge(this.graph, node, node);
-            	edge.setLabel("Broken Ordered Set");
-                //list.add("<span style=\"color:red;font-weight:bold\">BROKEN ORDERED SET:<br/></span><span style=\"color:red\">" + e.getMessage() + "</span>");
-//                Resource inv = graph.getPossibleInverse(subj);
-//                for(Statement stat : graph.getStatements(cur, L0.IsRelatedTo)) {
-//                    if(stat.getSubject().equals(cur)) {
-//                        if(stat.getPredicate().equals(subj)) {
-//                            list.add("next " + getResourceRef(graph, stat.getObject()));
-//                        }
-//                        else if(stat.getPredicate().equals(inv)) {
-//                            list.add("prev " + getResourceRef(graph, stat.getObject()));
-//                        }
-//                    }
-//                }
-//                break;
-            }
-            if(cur.equals(subj))
-                break;
-            //list.add(getResourceName(graph, cur));
-            list.add(getResourceRef(graph, cur));
-        }
-        for (int i = 0; i < list.size() ; ++i) {
-        	 Edge e = new Edge(this.graph, node, list.get(i));
-        	 e.setLabel("Oredered set item " + i);
-        }
-
-        // Output table rows
-//        content.append("<table>\n");
-//        for (int i = 0; i < list.size() ; ++i) {
-//            content.append("<tr>");
-//            // Predicate column
-//            if (i == 0)
-//                content.append("<td rowspan=\"" + list.size() + "\" valign=\"top\">Ordered Set Elements</td>");
-//
-//            // Object column
-//            content.append("<td>");
-//            content.append(list.get(i));
-//            content.append("</td>");
-//
-//            content.append("</tr>");
-//        }
-//        content.append("</table>\n");
-//        appendLabel(node, content.toString());
-    }
-	
-	
-	
-}
+package org.simantics.debug.ui.graph;
+
+import java.awt.Point;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.NoninvertibleTransformException;
+import java.awt.geom.Point2D;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.swing.SwingUtilities;
+
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.Statement;
+import org.simantics.db.common.uri.ResourceToPossibleURI;
+import org.simantics.db.common.utils.OrderedSetUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.ValidationException;
+import org.simantics.db.service.ClusteringSupport;
+import org.simantics.debug.ui.GraphDebugger;
+import org.simantics.debug.ui.internal.HashMultiMap;
+import org.simantics.graphviz.Edge;
+import org.simantics.graphviz.Graph;
+import org.simantics.graphviz.IGraphPart;
+import org.simantics.graphviz.Node;
+import org.simantics.graphviz.drawable.ViewerCanvas;
+import org.simantics.graphviz.ui.GraphvizComponent2;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.BijectionMap;
+import org.simantics.utils.datastructures.MapList;
+import org.simantics.utils.ui.ErrorLogger;
+
+
+
+public class GraphicalDebugger extends GraphDebugger {
+	
+	public enum Style{dot,neato,fdp,sfdp,twopi,circo};
+	
+	private Graph graph;
+	private BijectionMap<Resource, Node> nodeMap = new BijectionMap<Resource, Node>();
+	private MapList<Resource, Edge> edgeMap = new MapList<Resource, Edge>();
+	private Map<Edge,Resource> edgeMap2 = new HashMap<Edge, Resource>();
+	private Set<Resource> processed = new HashSet<Resource>();
+	
+	private GraphvizComponent2 graphVizComponent;
+	
+	private int depth = 1;
+	private Style style = Style.dot;
+	
+	public GraphicalDebugger(Composite parent, int style, final Session session, Resource resource) {
+		super(parent, style, session, resource);
+	}
+	
+	public void defaultInitializeUI() {
+        setLayout(new GridLayout(2, false));
+        setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+
+        createResourceText(this);
+        createDropLabel(this);
+        createGraph(this);
+
+    }
+	
+	public int getDepth() {
+		return depth;
+	}
+	
+	public void setDepth(int depth) {
+		if (depth < 1)
+			return;
+		if(depth == this.depth)
+			return;
+		this.depth = depth;
+		refreshBrowser();
+	}
+	
+	public Style getGraphStyle() {
+		return style;
+	}
+	
+	public void setGraphStyle(Style style) {
+		if (this.style == style)
+			return;
+		this.style = style;
+		refreshBrowser();
+	}
+	
+	@Override
+	protected void initializeCSS() {
+		// do nothing
+	}
+	
+	@Override
+	public Browser createBrowser(Composite parent) {
+		// do nothing
+		return null;
+	}
+	
+	public GraphvizComponent2 createGraph(Composite parent) {
+		graph = new Graph();
+		graph.setRankdir("LR");
+		graphVizComponent = new GraphvizComponent2(parent, SWT.NONE);
+		SwingUtilities.invokeLater(new Runnable() {
+			
+			@Override
+			public void run() {
+				graphVizComponent.getCanvas().addMouseListener(new MouseListener() {
+					
+					@Override
+					public void mouseReleased(MouseEvent arg0) {
+
+					}
+					
+					@Override
+					public void mousePressed(MouseEvent arg0) {
+
+					}
+					
+					@Override
+					public void mouseExited(MouseEvent arg0) {
+
+					}
+					
+					@Override
+					public void mouseEntered(MouseEvent arg0) {
+
+					}
+					
+					@Override
+					public void mouseClicked(MouseEvent arg0) {
+						if (arg0.getClickCount() > 1) {
+							Point p = arg0.getPoint();
+							pick(p);
+						}
+					}
+				});
+			}
+		});
+
+		GridDataFactory.fillDefaults().span(2, 1).grab(true, true).applyTo(graphVizComponent);
+		refreshBrowser();
+		return graphVizComponent;
+	}
+	
+	protected void pick(Point p) {
+		
+		AffineTransform at = ((ViewerCanvas)graphVizComponent.getCanvas()).getTransform();
+		Point2D pickPoint = new Point2D.Double();
+		try {
+			at.inverseTransform(new Point2D.Double((double)p.x,(double)p.y), pickPoint);
+		} catch (NoninvertibleTransformException e) {
+			return;
+		}
+
+		Collection<IGraphPart> parts = graphVizComponent.getDrawable().pick(pickPoint);
+		for (IGraphPart part : parts) {
+			if (part instanceof Node) {
+				Resource r = nodeMap.getLeft((Node)part);
+				if (r != null && !r.equals(getDebuggerLocation())) {
+					changeLocation(r);
+					return;
+				} 
+				
+			} 
+		}
+		for (IGraphPart part : parts) {
+			if (part instanceof Edge) {
+				Resource r = edgeMap2.get(part);
+				if (r != null && !r.equals(getDebuggerLocation())) {
+					changeLocation(r);
+					return;
+				}
+			}
+		}
+	}
+	
+	protected Node getOrCreate(Resource r) {
+		Node n = nodeMap.getRight(r);
+		if (n == null) {
+			n = new Node(graph);
+			if (!r.isPersistent()) {
+				n.setShape("box");
+				n.setFontColor("blue");
+			}
+			nodeMap.map(r, n);
+		}
+		return n;
+	}
+	
+	@SuppressWarnings("unused")
+	protected void appendLabel(Node node, String text) {
+		String label = node.get("label");
+		if (true) {
+			if (label == null || label.length() == 0)
+				label = text;//escape(text);
+			else {
+				label = label.substring(1,label.length()-1);
+				label += "<br/>"+text;
+			}
+			label = "<" + label + ">";
+		} else {
+			if (label == null || label.length() == 0)
+				label = text;
+			else {
+				label += " "+text;
+			}
+			
+		}
+		node.setLabel(label);
+	}
+	
+
+
+	
+	protected synchronized void updateContent(final ReadGraph g, Resource... resources) throws DatabaseException {
+		L0 = Layer0.getInstance(g);
+		
+		graph = new Graph();
+		graph.setRankdir("LR");
+		
+		nodeMap.clear();
+		edgeMap.clear();
+		edgeMap2.clear();
+		processed.clear();
+		
+		//links.clear();
+        //StringBuffer content = new StringBuffer();
+
+        // Generate HTML -page
+//        content.append("<html><head>" + getHead() + "</head>\n");
+//        content.append("<body>\n");
+//        content.append("<div id=\"mainContent\">\n");
+
+       // content.append("</div>\n");
+        //content.append("</body></html>\n");
+		createContent(g, depth, resources);
+       
+		// Update content
+        //graph.write(System.out);
+        graphVizComponent.setGraph(graph,style.toString());
+	}
+	
+	private void createContent(final ReadGraph g, int iter, Resource... resources) throws DatabaseException {
+		if (iter == 0)
+			return;
+        for (Resource r : resources) {
+            if (r == null)
+                continue;
+            if (processed.contains(r))
+            	continue;
+            Node node = getResourceRef(g, r);
+            if (r.equals(getDebuggerLocation())) {
+            	node.setFillColor("#aaffaa");
+				node.setStyle("filled");
+            }
+          //Node node = getOrCreate(r);
+            processed.add(r);
+            
+            
+            
+            String uri = null;
+            try {
+                uri = g.syncRequest(new ResourceToPossibleURI(r));
+            } catch (Exception e) {
+                e.printStackTrace();
+                uri = "Cannot get URI: " + e.getMessage();
+            }
+            if (uri != null)
+            	appendLabel(node, "URI: " + uri);
+                //content.append("\t\t<div class=\"monospaced\">" + uri + "</div><br/>");
+
+            Collection<Statement> statements = g.getStatements(r, L0.IsWeaklyRelatedTo);
+            HashMultiMap<Resource, Resource[]> map = new HashMultiMap<Resource, Resource[]>();
+            for(org.simantics.db.Statement statement : statements) {
+                Resource predicate = null;
+                Resource subject = null;
+                Resource obj = null;
+                try {
+                    predicate = statement.getPredicate();
+                    subject = statement.getSubject();
+                    obj = statement.getObject();
+                    map.add(predicate, new Resource[] {subject, obj});
+                } catch (Throwable e) {
+                    e.printStackTrace();
+                    ErrorLogger.defaultLogError("Cannot find statement " + subject + " " + predicate + " " + obj, e);
+                }
+            }
+            ClusteringSupport support = g.getSession().getService(ClusteringSupport.class);
+            //content.append("<h3>" + " ["+ r.getResourceId() + "-" + support.getCluster(r) + "] " + "</h3>\n");
+            appendLabel(node,  " ["+ r.getResourceId() + "-" + support.getCluster(r) + "]");
+            
+            //content.append("<table>\n");
+            //content.append("<tr><th>Predicate</th><th>Object</th></tr>");
+            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Basic information</td></tr>");
+
+            boolean isOrderedSet = g.isInstanceOf(r, L0.OrderedSet);
+            map.remove(r);
+
+            // BASIC INFORMATION:
+            for (Resource pred :
+                new Resource[] {L0.HasName, L0.InstanceOf,
+                    L0.Inherits, L0.SubrelationOf,
+                    L0.ConsistsOf, L0.PartOf})
+                if (map.containsKey(pred))
+                    updatePred(node, g, r, pred, map.remove(pred));
+
+            // TAGS
+            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Tags</td></tr>");
+            for(Statement stm : statements) {
+                if(stm.getSubject().equals(stm.getObject())) {
+                    updateTag(node, g, r, stm.getPredicate(), "Tag");
+                    map.remove(stm.getPredicate());
+                }
+            }
+
+            // ORDERED SETS
+            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Ordered Sets</td></tr>");
+            for(Statement stm : statements) {
+                Resource predicate = stm.getPredicate();
+                if(g.isInstanceOf(stm.getPredicate(), L0.OrderedSet)) {
+                    updateTag(node, g, r, stm.getPredicate(), "Ordered Set");
+                    map.remove(stm.getPredicate());
+                }
+                Resource inverse = g.getPossibleInverse(predicate);
+                if (inverse != null) {
+                    if(g.isInstanceOf(inverse, L0.OrderedSet)) {
+                        map.remove(stm.getPredicate());
+                    }
+                } else {
+                    // FIXME : should we inform missing inverse
+                }
+            }
+
+            // IS RELATED TO
+            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Is Related To</td></tr>");
+
+            // ELEMENTS OF ORDERED SET
+            if(isOrderedSet) {
+                //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Ordered set</td></tr>");
+                try {
+                    updateOrderedSet(node, g, r);
+                } catch (ValidationException e) {
+                    //content.append("<td colspan=\"2\"><span style=\"color:red;font-weight:bold\">BROKEN ORDERED SET:<br/></span><span style=\"color:red\">" + e.getMessage() + "</span></td>");
+                }
+            }
+
+            // IS RELATED TO (other)
+            Resource[] preds = map.keySet().toArray(new Resource[0]);
+            final Map<Resource, String> strmap = new HashMap<Resource, String>(preds.length);
+            for(Resource pred : preds) {
+                String str = htmlEscape(getResourceName(g, pred));
+                if(str == null)
+                    str = "<null>";
+                strmap.put(pred, str);
+            }
+            Arrays.sort(preds, new Comparator<Resource>() {
+                @Override
+                public int compare(Resource o1, Resource o2) {
+                    return strmap.get(o1).compareTo(strmap.get(o2));
+                }
+            });
+            for(Resource pred : preds)
+                if(g.isSubrelationOf(pred, L0.IsRelatedTo))
+                    updatePred(node, g, r, pred, map.get(pred));
+
+            // OTHER STATEMENTS
+            //content.append("<tr><td class=\"subtitle\" colspan=\"2\">Other statements</td></tr>");
+            for(Resource pred : preds)
+                if(!g.isSubrelationOf(pred, L0.IsRelatedTo))
+                    updatePred(node, g, r, pred, map.get(pred));
+           // content.append("</table>\n");
+            
+            Resource objects[] = new Resource[statements.size()];
+            int i = 0;
+            for (Statement stm : statements) {
+            	objects[i] = stm.getObject();
+            	i++;
+            }
+            createContent(g, iter-1, objects);
+        }
+	}
+	
+	private Node getResourceRef(ReadGraph graph, Resource r) throws DatabaseException {
+        Node node = nodeMap.getRight(r);
+        if (node == null) {
+        	node = getOrCreate(r);
+        	appendLabel(node, htmlEscape(getResourceName(graph, r)));
+        }
+        return node;
+    }
+	
+	private class NodeObject {
+		public String name;
+		public Node node;
+		@SuppressWarnings("unused")
+		public Resource r;
+		
+	}
+	
+	private void updatePred(Node node, ReadGraph graph, Resource subj, Resource pred, List<Resource[]> stats) throws DatabaseException {
+        // Generate output content from statements
+        NodeObject[] objects = new NodeObject[stats.size()];
+        for (int i = 0; i < stats.size(); ++i) {
+            Resource stmSubject = stats.get(i)[0];
+            Resource object = stats.get(i)[1];
+
+            objects[i] = new NodeObject();
+            objects[i].r = object;
+            objects[i].name = htmlEscape( getResourceName(graph, object) );
+            objects[i].node = getResourceRef(graph, object);
+
+            // Make a note if the statement was acquired.
+            if(!stmSubject.equals(subj)) {
+                Node asserted = getResourceRef(graph, stmSubject);
+                Edge e = new Edge(this.graph, objects[i].node, asserted);
+                e.setLabel("Asserted in");
+                
+                objects[i].node.setFillColor("#ffaaaa");
+                objects[i].node.setStyle("filled");
+            }
+        }
+
+        // Sort statements by object name
+        Arrays.sort(objects, new Comparator<NodeObject>() {
+            @Override
+            public int compare(NodeObject o1, NodeObject o2) {
+                return o1.name.compareTo(o2.name);
+            }
+        });
+
+        String predName = getResourceName(graph, pred);
+        // Output table rows
+        for (int i = 0; i < objects.length; ++i) {
+        	Edge e = new Edge(this.graph,node, objects[i].node);
+        	e.setLabel(predName);
+        	edgeMap.add(pred, e);
+        	edgeMap2.put(e, pred);
+            //content.append("<tr>");
+            // Predicate column
+            //if (i == 0)
+                //content.append("<td rowspan=\"" + objects.length + "\" valign=\"top\">" + getResourceRef(graph, pred) + "</td>");
+
+            // Object column
+            //if (objects[i][3] == null) content.append("<td>");
+            //else content.append("<td class=\"acquired\">");
+
+            //content.append(objects[i][2]);
+            //if (objects[i][3] != null)
+            //    content.append(objects[i][3]);
+
+            //content.append("</td>");
+
+            // Statement remove -link column
+            // Only allowed for non-acquired statements.
+            //if (objects[i][3] == null) {
+            //    content.append("<td class=\"remove\">");
+            //    content.append(getStatementRemoveRef(subj, pred, links.getRight(objects[i][0])));
+            //    content.append("</td>");
+            //}
+            //content.append("</tr>");
+        }
+    }
+	
+	private void updateTag(Node node, ReadGraph graph, Resource subj, Resource tag, String title) throws DatabaseException {
+
+        // Generate output content from statements
+        Node ref = getResourceRef(graph, tag);
+        Edge e = new Edge(this.graph, node, ref);
+        e.setLabel(title);
+        
+//        content.append("<tr>");
+//        content.append("<td rowspan=\"1\" colspan=\"2\" valign=\"top\">" + ref + "</td>");
+//        content.append("<td class=\"remove\">");
+//        content.append(getStatementRemoveRef(subj, tag, subj));
+//        content.append("</td>");
+//        content.append("</tr>");
+
+    }
+	
+	
+	
+	private void updateOrderedSet(Node node, ReadGraph graph, Resource subj) throws DatabaseException {
+
+//		StringBuffer content = new StringBuffer();
+        //List<String> list = new ArrayList<String>();
+		List<Node> list = new ArrayList<Node>();
+        Resource cur = subj;
+        while(true) {
+            try {
+                cur = OrderedSetUtils.next(graph, subj, cur);
+            } catch(DatabaseException e) {
+            	Edge edge = new Edge(this.graph, node, node);
+            	edge.setLabel("Broken Ordered Set");
+                //list.add("<span style=\"color:red;font-weight:bold\">BROKEN ORDERED SET:<br/></span><span style=\"color:red\">" + e.getMessage() + "</span>");
+//                Resource inv = graph.getPossibleInverse(subj);
+//                for(Statement stat : graph.getStatements(cur, L0.IsRelatedTo)) {
+//                    if(stat.getSubject().equals(cur)) {
+//                        if(stat.getPredicate().equals(subj)) {
+//                            list.add("next " + getResourceRef(graph, stat.getObject()));
+//                        }
+//                        else if(stat.getPredicate().equals(inv)) {
+//                            list.add("prev " + getResourceRef(graph, stat.getObject()));
+//                        }
+//                    }
+//                }
+//                break;
+            }
+            if(cur.equals(subj))
+                break;
+            //list.add(getResourceName(graph, cur));
+            list.add(getResourceRef(graph, cur));
+        }
+        for (int i = 0; i < list.size() ; ++i) {
+        	 Edge e = new Edge(this.graph, node, list.get(i));
+        	 e.setLabel("Oredered set item " + i);
+        }
+
+        // Output table rows
+//        content.append("<table>\n");
+//        for (int i = 0; i < list.size() ; ++i) {
+//            content.append("<tr>");
+//            // Predicate column
+//            if (i == 0)
+//                content.append("<td rowspan=\"" + list.size() + "\" valign=\"top\">Ordered Set Elements</td>");
+//
+//            // Object column
+//            content.append("<td>");
+//            content.append(list.get(i));
+//            content.append("</td>");
+//
+//            content.append("</tr>");
+//        }
+//        content.append("</table>\n");
+//        appendLabel(node, content.toString());
+    }
+	
+	
+	
+}