X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FSCLScenegraph.java;h=559469d4a21ce908aff65f9574355363a989d2f3;hb=85c927c26e991764ddebaf69daae8d598380475e;hp=40a5265852fa79083df1781db24a563df95d4532;hpb=20c64925f89de1418f8a739f4d40a48183c02024;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
index 40a526585..559469d4a 100644
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
@@ -51,6 +51,7 @@ import org.simantics.g2d.canvas.ICanvasContext;
 import org.simantics.g2d.diagram.DiagramHints;
 import org.simantics.g2d.diagram.IDiagram;
 import org.simantics.g2d.diagram.handler.DataElementMap;
+import org.simantics.g2d.diagram.participant.ElementPainter.SelectionShapeNode;
 import org.simantics.g2d.diagram.participant.Selection;
 import org.simantics.g2d.element.IElement;
 import org.simantics.g2d.scenegraph.ICanvasSceneGraphProvider;
@@ -85,6 +86,7 @@ import org.slf4j.LoggerFactory;
 import org.w3c.dom.DOMImplementation;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
+import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
 public class SCLScenegraph {
@@ -721,7 +723,11 @@ public class SCLScenegraph {
 		result.append(ALL_SECTIONS, "</g>");
 
 		StringBuilder res = new StringBuilder();
-		res.append("<svg width=\"100%\" height=\"100%\" stroke=\"black\">");
+		if (width > 0 && height > 0 ) {
+			res.append("<svg width=\"" + width +"px\" height=\""+height+"px\" stroke=\"black\" xmlns=\"http://www.w3.org/2000/svg\">");
+		} else {
+			res.append("<svg width=\"100%\" height=\"100%\" stroke=\"black\" xmlns=\"http://www.w3.org/2000/svg\">");
+		}
 		res.append("<g transform=\"matrix(").append(matrix[0]).append(",").append(matrix[1]).append(",").append(matrix[2]).append(",").append(matrix[3]).append(",").append(matrix[4]).append(",").append(matrix[5]).append(")\">");
 		res.append(result.get(MAIN_SECTION));
 		res.append(result.get(SELECTION_SECTION));
@@ -782,15 +788,39 @@ public class SCLScenegraph {
         private String getKey(SingleElementNode node) {
             String key;
         	if(node.getKey() != null) {
-                if (mappings.containsKey(node.getKey()))
+                if (mappings.containsKey(node.getKey())) {
                     key = mappings.get(node.getKey()).toString();
-                else
+                    key = escape(key);
+                } else {
                     key = node.getKey().toString();
+                    key = escape(key);
+                }
         	} else {
         		key = Long.toString(node.getId());
         	}
             return key;
         }
+        
+        private String escape(String key) {
+        	// Keys may contain  '<' '>' characters, which causes errors in browser SVG handling.
+        	return org.apache.commons.lang.StringEscapeUtils.escapeHtml(key);
+        }
+        
+        private String removeElem(String xml, String elemStart) {
+        	// FIXME: This is rather nasty and error prone way of removing elements from XML string.
+        	// This only supports elements with /> end element tag. Elements ends with </elem name> are not supported!
+        	int start = xml.indexOf("<"+elemStart);
+        	if (start>=0) {
+        		int end = xml.indexOf(">",start);
+        		if (end >= 0) {
+        			if (start > 0)
+        				return xml.substring(0,start)+xml.substring(end+1);
+        			else
+        				return xml.substring(end+1);
+        		}
+        	}
+        	return null;
+        }
 
         @Override
         public void enter(IG2DNode node) {
@@ -885,7 +915,21 @@ public class SCLScenegraph {
                          parentBuilder.append(MAIN_SECTION, "\n<g transform=\"" + m + "\">");
                      }
                 }
-                parentBuilder.append(MAIN_SECTION, svg.getSVGText());
+                String svgContent = svg.getSVGText();
+                // SVGNode content may contain SVG/XML elements, which break browser compatibility
+                int start = svgContent.indexOf("<svg");
+                if (start >= 0)
+                	svgContent = svgContent.substring(start);
+                else  {
+                	String s = removeElem(svgContent, "?xml");
+                	if (s != null) {
+                		svgContent = "<g>"+s+"</g>";
+                		s = removeElem(svgContent, "!DOCTYPE");
+                		if (s != null)
+                			svgContent = s;
+                	}
+                }
+                parentBuilder.append(MAIN_SECTION, svgContent);
                 if (!at.isIdentity()) {
                 	parentBuilder.append(MAIN_SECTION, "\n</g>");
                 }
@@ -913,15 +957,81 @@ public class SCLScenegraph {
                         parentBuilder.append(ALL_SECTIONS, "\n<g transform=\"" + m + "\">");
                     }
                 }
+            } else if (node instanceof TextNode) {
+            	 TextNode text = (TextNode)node;
+            	                
+                 SingleElementNode parentSEN = (SingleElementNode)NodeUtil.getNearestParentOfType(node, SingleElementNode.class);
+                 if(parentSEN != null) {
+                	 
+                	 text.setShowSelection(false);
+                	 Element doc = renderSVGNode(svgGenerator, (IG2DNode)node);
+                     String svg = printSVGDocument(doc);
+                     parentBuilder.append(MAIN_SECTION, svg);
+                     
+                 	 RenderSVGContext parentBuilder2 = getParentBuilder(parentSEN);
+                     
+                     String key = getKey(parentSEN);
+                     text.setShowSelection(true);
+                     doc = renderSVGNode(svgGenerator, (IG2DNode)node);
+                     svg = printSVGDocument(doc);
+                     
+                     parentBuilder2.append(SELECTION_SECTION, "\n<g style=\"visibility:hidden\" class=\"selection\" id=\"" + key + "\">");
+                     parentBuilder2.append(SELECTION_SECTION, svg);
+                     parentBuilder2.append(SELECTION_SECTION, "\n</g>");
+                     parentBuilder2.append(SELECTION_MASK_SECTION, "\n<g class=\"selectionMask\" id=\"" + key /*+ "\" transform=\"" + matrixString + "\"*/+ "\">");
+                     Rectangle2D rect = text.getBounds();
+                     // NaN
+                     if(rect.getHeight() == rect.getHeight() && rect.getWidth() == rect.getWidth()) {
+ 	                    parentBuilder2.append(SELECTION_MASK_SECTION,"<rect style=\"fill:#fff\" opacity=\"" + OPACITY + "\"");
+ 	                    parentBuilder2.append(SELECTION_MASK_SECTION," x=\"" + rect.getX() + "\" y=\"" + rect.getY() + "\"");
+ 	                    parentBuilder2.append(SELECTION_MASK_SECTION," width=\"" + rect.getWidth() + "\" height=\"" + rect.getHeight() + "\"");
+ 	                    parentBuilder2.append(SELECTION_MASK_SECTION,"></rect>");
+                     }
+                     parentBuilder2.append(SELECTION_MASK_SECTION,"\n</g>");
+                    
+                 }
             } else if (!(node instanceof RouteGraphNode) && !(node instanceof LinkNode)){
             	try {
             		Element doc = renderSVGNode(svgGenerator, (IG2DNode)node);
-            		if (doc.getElementsByTagName("g").getLength() == 0)
+            		NodeList gList = doc.getElementsByTagName("g");
+            		if (gList.getLength() == 0)
             			return;
+            		boolean hasContent = false;
+            		for (int i = 0; i < gList.getLength(); i++) {
+            		    Node gNode = gList.item(i);
+            		    if (gNode.hasChildNodes()) {
+            		        hasContent = true;
+            		        break;
+            		    }
+            		}
+            		if (!hasContent)
+            		    return;
             		String svg = printSVGDocument(doc);
-            		parentBuilder.append(MAIN_SECTION, "<g>");
-            		parentBuilder.append(MAIN_SECTION, svg);
-            		parentBuilder.append(MAIN_SECTION, "\n</g>");
+            		if (node instanceof SelectionShapeNode) {
+            			SingleElementNode parentSEN = (SingleElementNode)NodeUtil.getNearestParentOfType(node, SingleElementNode.class);
+                        if(parentSEN != null) {
+                        	 String key = getKey(parentSEN);
+                        	 RenderSVGContext parentBuilder2 = getParentBuilder(parentSEN);
+                        	 parentBuilder2.append(SELECTION_SECTION, "\n<g style=\"visibility:hidden\" class=\"selection\" id=\"" + key + "\">");
+                             parentBuilder2.append(SELECTION_SECTION, svg);
+                             parentBuilder2.append(SELECTION_SECTION, "\n</g>");
+                             
+                             parentBuilder2.append(SELECTION_MASK_SECTION, "\n<g class=\"selectionMask\" id=\"" + key /*+ "\" transform=\"" + matrixString + "\"*/+ "\">");
+                             Rectangle2D rect = node.getBounds();
+                             // NaN
+                             if(rect.getHeight() == rect.getHeight() && rect.getWidth() == rect.getWidth()) {
+         	                    parentBuilder2.append(SELECTION_MASK_SECTION,"<rect style=\"fill:#fff\" opacity=\"" + OPACITY + "\"");
+         	                    parentBuilder2.append(SELECTION_MASK_SECTION," x=\"" + rect.getX() + "\" y=\"" + rect.getY() + "\"");
+         	                    parentBuilder2.append(SELECTION_MASK_SECTION," width=\"" + rect.getWidth() + "\" height=\"" + rect.getHeight() + "\"");
+         	                    parentBuilder2.append(SELECTION_MASK_SECTION,"></rect>");
+                             }
+                             parentBuilder2.append(SELECTION_MASK_SECTION,"\n</g>");
+                        }
+            		} else {
+            			parentBuilder.append(MAIN_SECTION, "<g class=\"" +node.getSimpleClassName() +"\">");
+	            		parentBuilder.append(MAIN_SECTION, svg);
+	            		parentBuilder.append(MAIN_SECTION, "\n</g>");
+            		}
             	} catch (Exception e) {
             		// TODO: There are nodes that do not behave well when rendered to SVG. For backwards compatibility, we don't handle the exceptions.
             	}