]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
Layer0Utils.addL0Identifier to prevent possible differentiation of code
[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / SCLScenegraph.java
index 33d7f06290e109e69fdc4ceff7afb00c8b7cd00a..5dde0b081677a9e41dac64ff7ea8c7934d789408 100644 (file)
@@ -1,10 +1,29 @@
 package org.simantics.modeling;
 
+import java.awt.BasicStroke;
+import java.awt.Dimension;
+import java.awt.RenderingHints;
+import java.awt.RenderingHints.Key;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStreamWriter;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Set;
+import java.util.UUID;
 
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.apache.batik.dom.GenericDOMImplementation;
+import org.apache.batik.svggen.SVGGeneratorContext;
+import org.apache.batik.svggen.SVGGraphics2D;
 import org.simantics.db.Resource;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.diagram.elements.DiagramNodeUtil;
@@ -18,9 +37,13 @@ import org.simantics.g2d.diagram.participant.Selection;
 import org.simantics.g2d.element.IElement;
 import org.simantics.g2d.scenegraph.ICanvasSceneGraphProvider;
 import org.simantics.g2d.utils.CanvasUtils;
+import org.simantics.scenegraph.INode;
 import org.simantics.scenegraph.ParentNode;
 import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
 import org.simantics.scenegraph.g2d.G2DSceneGraph;
+import org.simantics.scenegraph.g2d.IG2DNode;
+import org.simantics.scenegraph.g2d.IG2DNodeVisitor;
 import org.simantics.scenegraph.g2d.events.command.Commands;
 import org.simantics.scenegraph.g2d.nodes.BackgroundNode;
 import org.simantics.scenegraph.g2d.nodes.BoundsNode;
@@ -28,13 +51,25 @@ import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
 import org.simantics.scenegraph.g2d.nodes.DataNode;
 import org.simantics.scenegraph.g2d.nodes.DecorationSVGNode;
 import org.simantics.scenegraph.g2d.nodes.NavigationNode;
+import org.simantics.scenegraph.g2d.nodes.SVGNode;
+import org.simantics.scenegraph.g2d.nodes.SelectionNode;
 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
+import org.simantics.scenegraph.g2d.nodes.connection.RouteGraphNode;
+import org.simantics.scenegraph.g2d.nodes.spatial.RTreeNode;
 import org.simantics.scenegraph.utils.NodeUtil;
 import org.simantics.trend.impl.ItemNode;
 import org.simantics.utils.threads.ThreadUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
 
 public class SCLScenegraph {
-       
+
+       private static final Logger LOGGER = LoggerFactory.getLogger(SCLScenegraph.class);
+
        public static ICanvasSceneGraphProvider getICanvasSceneGraphProvider(Resource model, Resource diagram, String diagramRVI) throws DatabaseException, InterruptedException {
                ICanvasSceneGraphProvider provider = DiagramNodeUtil.loadSceneGraphProvider(model, diagram, diagramRVI);
                return provider;
@@ -44,13 +79,6 @@ public class SCLScenegraph {
                provider.dispose();
        }
        
-       //public static Resource getDiagramRuntime(Resource ) 
-       
-       
-//     public static String getNodeTransform(ICanvasContext ctx, String name) throws DatabaseException, InterruptedException {
-//             return getNodeTransform(ctx, name);
-//     }
-       
        public static String getNodeTransform(ICanvasContext ctx, String name) {
                
                Set<TextNode> texts = NodeUtil.collectNodes(ctx.getSceneGraph(), TextNode.class);
@@ -234,7 +262,7 @@ public class SCLScenegraph {
         }
     }
     
-     public static boolean copyPaste (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {
+    public static boolean copyPaste (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {
        
        IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
 
@@ -286,5 +314,359 @@ public class SCLScenegraph {
                return true;
     }
 
+       static class Generator extends SVGGraphics2D {
+
+               int elemLevel = 0;
+               String newElementId = null;
+               ArrayList<Element> elements = new ArrayList<Element>();
+
+               public static final String svgNS = "http://www.w3.org/2000/svg";
+
+               public Generator(SVGGeneratorContext ctx, boolean joku) {
+                       super(ctx, joku);
+               }
+
+               public Generator(Document document) {
+                       super(document);
+               }
+
+               @Override
+               public Element getRoot() {
+                       Element root = super.getRoot();
+                       for(Element e : elements) {
+                               root.appendChild(e);
+                       }
+                       return root;
+               }
+
+               @Override
+               public void setRenderingHint(Key arg0, Object arg1) {
+                       if(G2DRenderingHints.KEY_BEGIN_ELEMENT == arg0) {
+                               elemLevel++;
+                       }
+                       if(G2DRenderingHints.KEY_ELEMENT_ID == arg0) {
+                               if(arg1 != null)
+                                       newElementId = arg1.toString();
+                               else
+                                       newElementId = UUID.randomUUID().toString();
+                       }
+                       if(G2DRenderingHints.KEY_END_ELEMENT == arg0) {
+                               elemLevel--;
+                               if(elemLevel == 0) {
+                                       Element group = getDOMFactory().createElement(SVG_G_TAG);
+                                       //Element group = getDOMFactory().createElementNS(SVG_NAMESPACE_URI, SVG_G_TAG);
+                                       group.setAttributeNS(null, "id", newElementId);
+                                       group.setAttributeNS(null, "class", arg1.toString());
+                                       getRoot(group);
+                                       elements.add(group);
+                               }
+                       }
+                       super.setRenderingHint(arg0, arg1);
+               }
+
+       }
+
+       public static Element renderSVGNode(IG2DNode node) {
+
+               // Get a DOMImplementation.
+               DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+
+               // Create an instance of org.w3c.dom.Document.
+               String svgNS = "http://www.w3.org/2000/svg";
+               Document document = domImpl.createDocument(svgNS, "svg", null);
+
+               SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(document);
+               ctx.setComment(null);
+
+               // Create an instance of the SVG Generator.
+               SVGGraphics2D svgGenerator = new Generator(ctx, false);
+
+               try {
+
+                       svgGenerator.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                       svgGenerator.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+                       svgGenerator.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
+                       node.render(svgGenerator);
+
+               } catch (Throwable t) {
+                       LOGGER.error("Problems rendering scene graph to SVG", t);
+               }
+
+               return svgGenerator.getRoot();
+       }
+
+       public static String printSVGDocument(Element doce) {
+
+               StringBuilder result = new StringBuilder();
+
+               NodeList nl =  doce.getChildNodes();
+
+               for(int i=0;i<nl.getLength();i++) {
+
+                       ByteArrayOutputStream os = new ByteArrayOutputStream();
+
+                       try {
+
+                               TransformerFactory tf = TransformerFactory.newInstance();
+                               Transformer transformer = tf.newTransformer();
+                               transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+                               transformer.setOutputProperty(OutputKeys.STANDALONE, "no");
+                               transformer.setOutputProperty(OutputKeys.METHOD, "xml");
+                               transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+                               transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
+                               transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+
+                               transformer.transform(new DOMSource(nl.item(i)), 
+                                               new StreamResult(new OutputStreamWriter(os, "UTF-8")));
+
+                               os.flush();
+                               os.close();
+
+                       } catch (Throwable t) {
+                               LOGGER.error("Problems formatting SVGDocument to text.", t);
+                       }
+
+                       result.append(new String(os.toByteArray()));
+
+               }
+
+               return result.toString();
+
+       }
+
+       public static String renderSVG(ICanvasContext ctx) {
+
+               // Get a DOMImplementation.
+               DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+
+               // Create an instance of org.w3c.dom.Document.
+               String svgNS = "http://www.w3.org/2000/svg";
+               Document document = domImpl.createDocument(svgNS, "svg", null);
+
+               // Create an instance of the SVG Generator.
+               SVGGraphics2D svgGenerator = new Generator(document);
+
+               StringBuilder result = new StringBuilder();
+
+               try {
+
+            Selection selection = ctx.getAtMostOneItemOfClass(Selection.class);
+            if (selection != null) {
+                // This prevents workbench selection from being left over.
+                // Also prevents scene graph crap from being left on the screen.
+               IDiagram d = ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
+                selection.setSelection(0, d.getElements());
+            }
+
+                       G2DSceneGraph sg = ctx.getSceneGraph();
+                       G2DParentNode root = (G2DParentNode) sg.getRootNode();
+
+                       // rtree is the actual content of the diagram
+                       RTreeNode rtree = NodeUtil.getNearestChildByClass(root, RTreeNode.class);
+                       Rectangle2D rtreeBounds = NodeUtil.getLocalBounds(rtree);
+
+                       // nav is a node that has zooming functionalities
+                       NavigationNode nav = NodeUtil.getNearestChildByClass(root, NavigationNode.class);
+                       nav.setZoomEnabled(true);
+
+                       // fit view with the contents of rtreeBounds
+                       nav.zoomTo(rtreeBounds);
+
+                       // get the bounds of the content
+                       Rectangle2D content = NodeUtil.getLocalBounds(nav);
+
+                       svgGenerator.scale(3,3);
+
+                       // translate svgGenerator to the x and y coordinates of current content
+                       svgGenerator.translate(-1 * content.getX(), (-1 * content.getY()));
+
+                       Rectangle2D destination = new Rectangle2D.Double(0,0,1000,1000);
+                       double sx = destination.getWidth() / content.getWidth();
+                       double sy = destination.getHeight() / content.getHeight();
+                       double scale = sx < sy ? sx : sy;
+
+                       // Set svgCanvasSize to the given size parameters
+                       svgGenerator.setSVGCanvasSize(new Dimension((int)(scale * content.getWidth()), (int)(scale * content.getHeight())));
+                       svgGenerator.setClip(content);
+
+                       double trX = -1 * content.getX();
+                       double trY = -1 * content.getY();
+
+                       result.append("<svg width=\"100%\" height=\"100%\" stroke=\"black\"><g transform=\"translate(").append(trX).append(' ').append(trY).append(")\">");
+
+                       IG2DNodeVisitor visitor = new IG2DNodeVisitor() {
+
+                               int indent = 0;
+
+                               HashMap<SingleElementNode,StringBuilder> senBuilders = new HashMap<>();
+
+                               @Override
+                               public void enter(IG2DNode node) {
+                                       
+                                       StringBuilder parentBuilder = getParentBuilder(node);
+                                       
+                                       indent++;
+                                       if(node instanceof ConnectionNode) {
+                                               
+                                               for(RouteGraphNode n : NodeUtil.collectNodes(node, RouteGraphNode.class)) {
+                                                       n.setIgnoreSelection(true);
+                                               }
+                                               
+                                               String key = ((ConnectionNode)node).getKey().toString();
+                                               
+                                               parentBuilder.append("\n<g class=\"connection\" id=\"" + key + "\">");
+                                               Element doc = renderSVGNode((IG2DNode)node);
+                                               String svg = printSVGDocument(doc);
+                                               parentBuilder.append(svg);
+
+                                               for(RouteGraphNode n : NodeUtil.collectNodes(node, RouteGraphNode.class)) {
+                                                       n.setIgnoreSelection(false);
+                                               }
+
+                                               parentBuilder.append("\n<g style=\"visibility:hidden\" class=\"selection\" id=\"" + key + "\">");
+                                               doc = renderSVGNode((IG2DNode)node);
+                                               svg = printSVGDocument(doc);
+                                               parentBuilder.append(svg);
+                                               parentBuilder.append("\n</g>");
+
+                                               BasicStroke bs = new BasicStroke(5f);
+                                               
+                                               for(RouteGraphNode n : NodeUtil.collectNodes(node, RouteGraphNode.class)) {
+                                                       n.setDynamicStroke(bs);
+                                               }
+
+                                               parentBuilder.append("\n<g class=\"selectionMask\" opacity=\"0.001\" id=\"" + key + "\">");
+                                               doc = renderSVGNode((IG2DNode)node);
+                                               svg = printSVGDocument(doc);
+                                               parentBuilder.append(svg);
+                                               parentBuilder.append("\n</g>");
+
+                                               parentBuilder.append("\n</g>");
+                                               
+                                       } else if (node instanceof SelectionNode) {
+                                               
+                                               SelectionNode n = (SelectionNode)node;
+                                               SingleElementNode parentSEN = (SingleElementNode)NodeUtil.getNearestParentOfType(node, SingleElementNode.class);
+                                               if(parentSEN != null && parentSEN.getKey() != null) {
+                                                       
+                                                       StringBuilder parentBuilder2 = getParentBuilder(parentSEN);
+                                                       
+                                                       String key = parentSEN.getKey().toString();
+                                                       Element doc = renderSVGNode((IG2DNode)node);
+                                                       String svg = printSVGDocument(doc);
+                                                       parentBuilder2.append("\n<g style=\"visibility:hidden\" class=\"selection\" id=\"" + key + "\">");
+                                                       parentBuilder2.append(svg);
+                                                       parentBuilder2.append("\n</g>");
+                                                       parentBuilder2.append("\n<g class=\"selectionMask\" id=\"" + key + "\">");
+                                                       Rectangle2D rect = n.getRect();
+                                                       parentBuilder2.append("<rect style=\"fill:#fff\" opacity=\"0.001\"");
+                                                       parentBuilder2.append(" x=\"" + rect.getX() + "\" y=\"" + rect.getY() + "\"");
+                                                       parentBuilder2.append(" width=\"" + rect.getWidth() + "\" height=\"" + rect.getHeight() + "\"");
+                                                       parentBuilder2.append("></rect>");
+                                                       parentBuilder2.append("\n</g>");
+                                               }
+                                       } else if (node instanceof SVGNode) {
+                                               SVGNode svg = (SVGNode)node;
+                                               parentBuilder.append(svg.getSVGText());
+                                       } else if (node instanceof G2DParentNode) {
+                                               AffineTransform at = node.getTransform();
+                                               if(node instanceof SingleElementNode) {
+                                                       SingleElementNode sen = (SingleElementNode)node;
+                                                       if(sen.getKey() != null) {
+                                                               String key = sen.getKey().toString();
+                                                               parentBuilder.append("\n<g class=\"definedElement\" id=\"" + key + "\">");
+                                                       }
+                                                       senBuilders.put(sen, new StringBuilder());
+                                               }
+                                               if(!at.isIdentity()) {
+                                                       if(at.getScaleX() == 1.0 && at.getScaleY() == 1.0 && at.getShearX() == 0.0 && at.getShearY() == 0.0) {
+                                                               String m = "translate(" + at.getTranslateX() + " " + at.getTranslateY() + ")";
+                                                               parentBuilder.append("\n<g transform=\"" + m + "\">");
+                                                       } else {
+                                                               double[] ds = new double[6];
+                                                               at.getMatrix(ds);
+                                                               String m = "matrix(" + ds[0] + " " + ds[1] + " " + ds[2] + " " + ds[3] + " " + ds[4] + " " + ds[5] + ")";
+                                                               parentBuilder.append("\n<g transform=\"" + m + "\">");
+                                                       }
+                                               }
+                                       }
+
+                                       //enters.put(node, b.length());
+
+                               }
+                               
+                               private StringBuilder getParentBuilder(IG2DNode node) {
+                                       
+                                       INode parentSEN = NodeUtil.getNearestParentOfType(node, SingleElementNode.class);
+                                       if(parentSEN instanceof G2DSceneGraph) return result;
+
+                                       StringBuilder parentBuilder = senBuilders.get(parentSEN);
+                                       if(parentBuilder == null) return result;
+                                       
+                                       return parentBuilder;
+                                       
+                               }
+
+                               @Override
+                               public void leave(IG2DNode node) {
+
+                                       if(node instanceof ConnectionNode || node instanceof SVGNode) {
+                                               // We are done
+                                       } else if (node instanceof G2DParentNode) {
+                                               
+                                               StringBuilder parentBuilder = getParentBuilder(node);
+                                               
+                                               if(node instanceof SingleElementNode) {
+                                                       SingleElementNode sen = (SingleElementNode)node;
+//                                                     if(sen.getKey() != null) {
+                                                               StringBuilder b = senBuilders.get(sen);
+                                                               String content = b.toString();
+                                                               if(content.isEmpty()) {
+                                                                       if(sen.getKey() != null) {
+                                                                               
+                                                                               for(SelectionNode n : NodeUtil.collectNodes(node, SelectionNode.class)) {
+                                                                                       n.setIgnore(true);
+                                                                               }
+
+                                                                               Element doc = renderSVGNode((IG2DNode)node);
+                                                                               String svg = printSVGDocument(doc);
+                                                                               parentBuilder.append(svg);
+                                                                       }
+                                                               } else {
+                                                                       parentBuilder.append(content);
+                                                               }
+//                                                     }
+                                               }
+
+                                               
+                                               AffineTransform at = node.getTransform();
+                                               if(!at.isIdentity()) {
+                                                       parentBuilder.append("</g>");
+                                               }
+                                               if(node instanceof SingleElementNode) {
+                                                       SingleElementNode sen = (SingleElementNode)node;
+                                                       if(sen.getKey() != null) {
+                                                               parentBuilder.append("</g>");
+                                                       }
+                                               }
+                                       }
+                                       indent --;
+                               }
+
+                       };
+                       sg.accept(visitor);
+
+               } catch (Throwable t) {
+                       LOGGER.error("Problems rendering canvas context to SVG", t);
+               }
+
+               result.append("</g></svg>");
+               //System.err.println(" == FINAL RESULT == ");
+               //System.err.println(b);
+               return result.toString();
+
+       }
+
 
 }
\ No newline at end of file