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

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