bundles/org.simantics.views.swt/src/org/simantics/views/swt/loader/ExplorerLoader.java.keep

   1 package org.simantics.views.swt.loader;\r
   2 \r
   3 import org.eclipse.swt.SWT;\r
   4 import org.eclipse.swt.widgets.Event;\r
   5 import org.eclipse.swt.widgets.Listener;\r
   6 import org.eclipse.swt.widgets.TreeItem;\r
   7 import org.simantics.browsing.ui.BuiltinKeys;\r
   8 import org.simantics.browsing.ui.NodeContext;\r
   9 import org.simantics.databoard.Bindings;\r
  10 import org.simantics.db.ReadGraph;\r
  11 import org.simantics.db.Resource;\r
  12 import org.simantics.db.VirtualGraph;\r
  13 import org.simantics.db.WriteGraph;\r
  14 import org.simantics.db.common.request.ResourceRead;\r
  15 import org.simantics.db.common.request.WriteRequest;\r
  16 import org.simantics.db.exception.DatabaseException;\r
  17 import org.simantics.db.layer0.util.Simantics;\r
  18 import org.simantics.db.layer0.variable.Variable;\r
  19 import org.simantics.scenegraph.ParentNode;\r
  20 import org.simantics.scenegraph.loader.ScenegraphLoader;\r
  21 import org.simantics.views.ViewUtils;\r
  22 import org.simantics.views.ontology.ViewsResources;\r
  23 import org.simantics.views.swt.client.base.ISWTViewNode;\r
  24 import org.simantics.views.swt.client.impl.SWTExplorer;\r
  25 \r
  26 public class ExplorerLoader implements ScenegraphLoader {\r
  27 \r
  28         final private Resource configuration;\r
  29         \r
  30         public ExplorerLoader(Resource configuration) {\r
  31                 this.configuration = configuration;\r
  32         }\r
  33         \r
  34         @Override\r
  35         public ISWTViewNode create(ParentNode<ISWTViewNode> parent, final Variable context) throws DatabaseException {\r
  36                 \r
  37                 SWTExplorer node = parent.addNode(SWTExplorer.class);\r
  38                 \r
  39                 node.setStyle(LoaderUtils.getStyle(configuration));\r
  40 \r
  41                 String browseContextURI = Simantics.getSession().sync(new ResourceRead<String>(configuration) {\r
  42 \r
  43                         @Override\r
  44                         public String perform(ReadGraph graph) throws DatabaseException {\r
  45                                 ViewsResources VIEW = ViewsResources.getInstance(graph);\r
  46                                 Resource browseContext = graph.getSingleObject(resource, VIEW.Explorer_BrowseContext);\r
  47                                 return graph.getURI(browseContext);\r
  48                         }\r
  49                         \r
  50                 });\r
  51                 \r
  52                 node.setBrowseContextURI(browseContextURI);\r
  53                 \r
  54         node.setLayoutData(LoaderUtils.getGridData(configuration));\r
  55         \r
  56         node.setColumns(LoaderUtils.getColumns(configuration));\r
  57         \r
  58         LoaderUtils.listen(configuration, context, ViewsResources.URIs.Explorer_InputTransformation, node.getInputFunction());\r
  59 \r
  60         LoaderUtils.listen(configuration, context, ViewsResources.URIs.Explorer_HasColumnsVisible, node.getColumnsVisibleFunction());\r
  61         \r
  62                 Listener selectionListener = Simantics.getSession().sync(new ResourceRead<Listener>(configuration) {\r
  63 \r
  64                         @Override\r
  65                         public Listener perform(ReadGraph graph) throws DatabaseException {\r
  66                                 ViewsResources VIEW = ViewsResources.getInstance(graph);\r
  67                                 Resource listener = graph.getPossibleObject(resource, VIEW.Explorer_SelectionListener);\r
  68                                 if(listener == null) return null;\r
  69                                 return graph.adapt(listener, Listener.class);\r
  70                         }\r
  71                         \r
  72                 });\r
  73                 \r
  74                 if(selectionListener != null) node.addListenerToControl(SWT.Selection, selectionListener);\r
  75                 \r
  76                 node.addListenerToControl(SWT.Selection, new Listener() {\r
  77                         \r
  78                         @Override\r
  79                         public void handleEvent(Event event) {\r
  80                                 \r
  81                     TreeItem item = (TreeItem)event.item;\r
  82 //                  Tree tree = item.getParent();\r
  83 //                  GraphExplorer explorer = (GraphExplorer)tree.getData("GraphExplorer");\r
  84 //                  final Resource runtimeDiagram = (Resource)explorer.getRoot().getConstant(BuiltinKeys.INPUT);\r
  85 //                  final boolean checked = item.getChecked();\r
  86                     NodeContext nc = (NodeContext)item.getData();\r
  87                     Object obj = nc.getConstant(BuiltinKeys.INPUT);\r
  88 \r
  89                     if (obj instanceof Variable) {\r
  90                         final Variable var = (Variable) obj;\r
  91                         Simantics.getSession().async(new WriteRequest(Simantics.getSession().getService(VirtualGraph.class)) {\r
  92                             @Override\r
  93                             public void perform(WriteGraph graph) throws DatabaseException {\r
  94                                 ViewsResources VIEW = ViewsResources.getInstance(graph);\r
  95                                 System.err.println("setParameter " + context.getURI(graph) + " -> " + var.getURI(graph));\r
  96                                 ViewUtils.setParameter(graph, context, VIEW.Explorer_Selection, var.getURI(graph), Bindings.STRING);\r
  97                             }\r
  98                         });\r
  99                     }\r
 100                         }\r
 101                         \r
 102                 });\r
 103                 \r
 104                 return node;\r
 105                 \r
 106         }\r
 107         \r
 108 }\r
 109 \r