bundles/org.simantics.export.core/src/org/simantics/export/core/ExportContext.java

   1 package org.simantics.export.core;\r
   2 \r
   3 import java.io.File;\r
   4 import java.util.ArrayList;\r
   5 import java.util.List;\r
   6 \r
   7 import org.eclipse.core.runtime.Platform;\r
   8 import org.eclipse.core.runtime.preferences.ConfigurationScope;\r
   9 import org.eclipse.jface.viewers.IStructuredSelection;\r
  10 import org.osgi.service.prefs.Preferences;\r
  11 import org.simantics.databoard.Bindings;\r
  12 import org.simantics.databoard.Databoard;\r
  13 import org.simantics.db.ReadGraph;\r
  14 import org.simantics.db.Resource;\r
  15 import org.simantics.db.Session;\r
  16 import org.simantics.db.common.request.ReadRequest;\r
  17 import org.simantics.db.exception.AssumptionException;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.db.exception.ServiceException;\r
  20 import org.simantics.db.exception.ValidationException;\r
  21 import org.simantics.db.layer0.request.ActiveModels;\r
  22 import org.simantics.db.management.ISessionContext;\r
  23 import org.simantics.export.core.manager.Content;\r
  24 import org.simantics.project.IProject;\r
  25 import org.simantics.project.ProjectKeys;\r
  26 import org.simantics.utils.ui.AdaptionUtils;\r
  27 \r
  28 public class ExportContext {\r
  29 \r
  30         // Context data\r
  31         public ISessionContext sessionCtx;\r
  32         public Session session;\r
  33         public String project;\r
  34         public List<String> activeModels;\r
  35         \r
  36         // Other data\r
  37         /** Selected content */\r
  38         public List<String> selection;\r
  39         \r
  40         public ExportExtensionPoint eep;\r
  41         public File workarea;\r
  42         public Preferences store;\r
  43         public Databoard databoard;\r
  44         \r
  45         public static ExportContext create(ISessionContext ctx, final IStructuredSelection selection) throws DatabaseException {\r
  46                 final ExportContext result = new ExportContext();\r
  47                 result.sessionCtx = ctx;\r
  48                 result.session = ctx.getSession();\r
  49                 result.selection = new ArrayList<String>();\r
  50                 result.activeModels = new ArrayList<String>();\r
  51         result.workarea = Platform.getLocation().toFile();\r
  52         result.store = ConfigurationScope.INSTANCE.getNode("org.simantics.export.core");\r
  53         result.databoard = new Databoard();\r
  54                 \r
  55         result.session.syncRequest(new ReadRequest() {\r
  56             public void run(ReadGraph graph) throws DatabaseException {\r
  57 \r
  58                         IProject iproject = result.sessionCtx.getHint( ProjectKeys.KEY_PROJECT );\r
  59                 Resource project = iproject==null?null:iproject.get();\r
  60                 if ( project != null ) {\r
  61                         result.project = graph.getURI(project);\r
  62                 }\r
  63                 \r
  64                 for (Resource activeModel : graph.sync( new ActiveModels( project ) )) {\r
  65                         try { \r
  66                                         result.activeModels.add( graph.getURI( activeModel ) );\r
  67                         } catch (AssumptionException e) {\r
  68                         } catch (ValidationException e) {\r
  69                         } catch (ServiceException e) {\r
  70                         }\r
  71                 }\r
  72 \r
  73                 if ( selection != null ) {\r
  74                         for (Resource r : AdaptionUtils.adaptToCollection(selection, Resource.class)) {\r
  75                                 try {                                   \r
  76                                         result.selection.add( graph.getURI(r) );\r
  77                                 } catch (AssumptionException e) {\r
  78                                 } catch (ValidationException e) {\r
  79                                 } catch (ServiceException e) {\r
  80                                 }\r
  81                         }\r
  82                 }\r
  83                 \r
  84             }\r
  85         });\r
  86                 \r
  87                 //IExperiment experiment = ExperimentManager.getActiveExperiment();             \r
  88 //        ISelection selection = HandlerUtil.getCurrentSelection(event);\r
  89 //        ImagesNode images = AdaptionUtils.adaptToSingle(selection, ImagesNode.class);\r
  90                 return result;\r
  91         }\r
  92 \r
  93         /**\r
  94          * Get preference store for a combination of selections\r
  95          * @param contents\r
  96          * @return selections\r
  97          */\r
  98         public Preferences store(List<Content> contents)\r
  99         {\r
 100                 int hash = _hash(contents);             \r
 101                 return store.node( "Selection-"+hash );         \r
 102         }\r
 103 \r
 104         public static int _hash(List<Content> contents) {\r
 105                 int hash = 0x234234;\r
 106                 for ( Content c : contents ) {\r
 107                         hash = 13*hash + c.url.hashCode();\r
 108                         hash = 13*hash + c.formatId.hashCode();\r
 109                 }\r
 110                 return hash;\r
 111         }\r
 112         \r
 113 }\r