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

   1 package org.simantics.views.swt.loader;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.HashSet;\r
   5 import java.util.Set;\r
   6 \r
   7 import org.eclipse.swt.custom.CTabItem;\r
   8 import org.eclipse.swt.widgets.Composite;\r
   9 import org.eclipse.swt.widgets.Control;\r
  10 import org.simantics.db.ReadGraph;\r
  11 import org.simantics.db.Resource;\r
  12 import org.simantics.db.common.request.UniqueRead;\r
  13 import org.simantics.db.exception.DatabaseException;\r
  14 import org.simantics.db.layer0.util.Simantics;\r
  15 import org.simantics.db.layer0.variable.Variable;\r
  16 import org.simantics.db.layer0.variable.Variables;\r
  17 import org.simantics.scenegraph.ParentNode;\r
  18 import org.simantics.scenegraph.loader.ScenegraphLoader;\r
  19 import org.simantics.views.swt.client.base.ISWTViewNode;\r
  20 import org.simantics.views.swt.client.impl.SWTTabFolder;\r
  21 \r
  22 public class TabFolderLoader implements ScenegraphLoader {\r
  23 \r
  24         final private Resource configuration;\r
  25         \r
  26         public TabFolderLoader(Resource configuration) {\r
  27                 this.configuration = configuration;\r
  28         }\r
  29         \r
  30         @Override\r
  31         public ISWTViewNode create(ParentNode<ISWTViewNode> parent, Variable context) throws DatabaseException {\r
  32                 \r
  33                 SWTTabFolder node = parent.addNode(SWTTabFolder.class);\r
  34                 \r
  35                 final Collection<Variable> children = LoaderUtils.getChildren(configuration);\r
  36 \r
  37                 String[] names = Simantics.getSession().sync(new UniqueRead<String[]>() {\r
  38 \r
  39                         @Override\r
  40                         public String[] perform(ReadGraph graph) throws DatabaseException {\r
  41                                 \r
  42                                 String[] result = new String[children.size()];\r
  43 \r
  44                                 int index = 0;\r
  45                                 for(Variable child : children) {\r
  46                                         result[index++] = child.getPropertyValue(graph, Variables.LABEL);\r
  47                                 }\r
  48                                 \r
  49                                 return result;\r
  50                                 \r
  51                         }\r
  52                         \r
  53                 });\r
  54                 \r
  55                 node.setTabNames(names);\r
  56                 \r
  57                 return node;\r
  58                 \r
  59         }\r
  60 \r
  61         Set<Control> getControls(CTabItem item) {\r
  62                 HashSet<Control> result = new HashSet<Control>();\r
  63                 forControl(item.getControl(), result);\r
  64                 return result;\r
  65         }\r
  66         \r
  67         void forControl(Control control, HashSet<Control> controls) {\r
  68                 controls.add(control);\r
  69                 if(control instanceof Composite) {\r
  70                         Composite composite = (Composite)control;\r
  71                         for(Control child : composite.getChildren()) forControl(child, controls);\r
  72                 }\r
  73         }\r
  74         \r
  75 }\r