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

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