bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/function/LinkSVGImage.java

   1 package org.simantics.modeling.template2d.ui.function;\r
   2 \r
   3 import java.util.Vector;\r
   4 \r
   5 import org.simantics.databoard.Bindings;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.WriteGraph;\r
   9 import org.simantics.db.common.request.ReadRequest;\r
  10 import org.simantics.db.common.request.WriteRequest;\r
  11 import org.simantics.db.exception.DatabaseException;\r
  12 import org.simantics.db.layer0.variable.Variable;\r
  13 import org.simantics.db.layer0.variable.Variables;\r
  14 import org.simantics.diagram.function.PredefinedVariables;\r
  15 import org.simantics.diagram.stubs.DiagramResource;\r
  16 import org.simantics.image2.ontology.ImageResource;\r
  17 import org.simantics.modeling.template2d.ontology.Template2dResource;\r
  18 import org.simantics.project.ontology.ProjectResource;\r
  19 import org.simantics.simulation.ontology.SimulationResource;\r
  20 import org.simantics.utils.ui.dialogs.ShowMessage;\r
  21 \r
  22 public class LinkSVGImage {\r
  23         \r
  24     public static void linkSVGImage(WriteGraph graph, final Resource parent, final Resource child) {\r
  25         \r
  26         final String[] uri = {null};\r
  27         final String[] msg = {null};\r
  28         final String errmsg = "Creation of image reference failed. Activate an experiment and try to copy and paste an image again.";\r
  29         \r
  30         try {\r
  31                         graph.syncRequest(new ReadRequest() {\r
  32                                 @Override\r
  33                                 public void run(ReadGraph g) throws DatabaseException {\r
  34                                         if (parent == null || child == null) {\r
  35                                                 msg[0] = errmsg; \r
  36                                                 return;\r
  37                                         }\r
  38                                         //Layer0 L0 = Layer0.getInstance(g);\r
  39                                         ImageResource IMG = ImageResource.getInstance(g);\r
  40                                         if (!g.isInstanceOf(child, IMG.SvgImage)){\r
  41                                                 msg[0] = errmsg; \r
  42                                                 return;\r
  43                                         }\r
  44                                         \r
  45                                         Variable parentV = Variables.getVariable(g, parent);\r
  46                                         if (parentV == null){\r
  47                                                 msg[0] = errmsg; \r
  48                                                 return;\r
  49                                         }\r
  50                                         \r
  51                                         Vector<Variable> grandOfParent = new Vector<Variable>();\r
  52                                         Variable tmp = parentV;\r
  53                                         do {\r
  54                                                 grandOfParent.add(0, tmp);\r
  55                                                 tmp = tmp.getParent(g);\r
  56                                         }\r
  57                                         while (tmp != null);\r
  58                                         \r
  59 //                                      System.err.println(parentV.getURI(g));\r
  60 //                                      String parentUri = parentV.getURI(g);\r
  61                                         \r
  62                                         Variable childV = Variables.getVariable(g, child);\r
  63                                         String childUri = null;\r
  64                                         if (childV == null){\r
  65                                                 msg[0] = errmsg; \r
  66                                                 return;\r
  67                                         }\r
  68                                         \r
  69                                         Vector<Variable> grandOfChild = new Vector<Variable>();\r
  70                                         tmp = childV;\r
  71                                         do {\r
  72                                                 grandOfChild.add(0, tmp);\r
  73                                                 tmp = tmp.getParent(g);\r
  74                                         }\r
  75                                         while (tmp != null);\r
  76                                         \r
  77                                         int k = -1; // index of the most nearest common parent\r
  78                                         int maxLen = (grandOfChild.size() < grandOfParent.size())? grandOfChild.size() : grandOfParent.size(); \r
  79                                         for (int i = 0;i < maxLen; i++){\r
  80                                                 if (grandOfChild.get(i).equals(grandOfParent.get(i)))\r
  81                                                         k++;\r
  82                                                 else\r
  83                                                         break;\r
  84                                         }\r
  85                                         if (k == -1) // no common parent\r
  86                                         {\r
  87                                                 msg[0] = errmsg; \r
  88                                                 return;\r
  89                                         }\r
  90                                         //StructuralResource2 STR = StructuralResource2.getInstance(g);\r
  91                                         SimulationResource SIMU = SimulationResource.getInstance(g);\r
  92                                         ProjectResource PROJ = ProjectResource.getInstance(g);\r
  93                     Template2dResource TEPLATE2D = Template2dResource.getInstance(g);\r
  94                                         Resource root = g.getRootLibrary();;\r
  95                                         Resource type = null;\r
  96                                         String predefined = null;\r
  97                                         Resource res = null;\r
  98                                         for (;k >= 0;k--){\r
  99                                                 tmp = grandOfChild.get(k);\r
 100                                                 res = tmp.getRepresents(g);\r
 101                                                 if (res.equals(root)){\r
 102                                                         predefined = PredefinedVariables.root;\r
 103                                                         break;\r
 104                                                 }\r
 105                                                 type = g.getPossibleType(res, SIMU.Model);\r
 106                                                 if (type != null){\r
 107                                                         predefined = PredefinedVariables.model;\r
 108                                                         break;\r
 109                                                 }\r
 110                                                 type = g.getPossibleType(res, PROJ.Project);\r
 111                                                 if (type != null){\r
 112                                                         predefined = PredefinedVariables.project;\r
 113                                                         break;\r
 114                                                 }\r
 115                                                 type = g.getPossibleType(res, TEPLATE2D.DrawingTemplate);\r
 116                                                 if (type != null){\r
 117                                                         predefined = PredefinedVariables.template;\r
 118                                                         break;\r
 119                                                 }\r
 120                                         }\r
 121                                         if (predefined == null) // no predefined common parent\r
 122                                         {\r
 123                                                 msg[0] = errmsg; \r
 124                                                 return;\r
 125                                         }\r
 126                                         Variable resV = Variables.getVariable(g, res);\r
 127                                         String resUri = resV.getURI(g);\r
 128                                         \r
 129                                         childUri = childV.getURI(g);\r
 130 //                                      System.err.println(childUri);\r
 131 \r
 132                                         Resource childModel = Variables.getModel(g, childV);\r
 133                                         Resource parentModel = Variables.getModel(g, parentV);\r
 134                                         if (childModel == null || parentModel == null){\r
 135                                                 msg[0] = errmsg; \r
 136                                                 return;\r
 137                                         }\r
 138                                         \r
 139                                         if (!parentModel.equals(childModel)){\r
 140                                                 msg[0] = errmsg;\r
 141                                                 return;\r
 142                                         }\r
 143 \r
 144 //                                      Variable modelV = Variables.getVariable(g, childModel);\r
 145 //                                      if (modelV == null){\r
 146 //                                              msg[0] = errmsg[0];\r
 147 //                                              return;\r
 148 //                                      }\r
 149 //                                      \r
 150 //                                      String modelUri = modelV.getURI(g);\r
 151 \r
 152                                         if (childUri.startsWith(resUri)){\r
 153                                                 uri[0] = childUri.substring(resUri.length());\r
 154                                                 uri[0] = "pre:/" + predefined + uri[0];\r
 155 //                                              System.err.println(uri);\r
 156                                         }\r
 157                                 }\r
 158                         });\r
 159                         graph.syncRequest(new WriteRequest() {\r
 160                                 @Override\r
 161                                 public void perform(WriteGraph g) throws DatabaseException {\r
 162                                         if (uri == null || parent == null){\r
 163                                                 msg[0] = errmsg;\r
 164                                                 return;\r
 165                                         }\r
 166                                         DiagramResource DIA = DiagramResource.getInstance(g);\r
 167                     Template2dResource TEMPLATE2D = Template2dResource.getInstance(g);\r
 168 \r
 169                                         Resource var = g.getPossibleObject(parent, DIA.Scenegraph_SVGImage_document);\r
 170                                         if (var == null){\r
 171                                                 msg[0] = "Creation of image reference failed. Only SVG images are supported for now.";\r
 172                                                 return;\r
 173                                         }\r
 174                                         \r
 175                                         g.claimLiteral(var, TEMPLATE2D.Profiles_VariableReference_path, uri[0] + "#data", Bindings.STRING);\r
 176                                 }\r
 177                         });\r
 178                         if (msg[0] != null){\r
 179                                 ShowMessage.showWarning("Warning", msg[0]);\r
 180                         }\r
 181                 } catch (Exception e) {\r
 182                         // TODO: handle exception\r
 183                         e.printStackTrace();\r
 184                 }\r
 185         \r
 186         }\r
 187         \r
 188 \r
 189 }