org.simantics.district.selection.ui/src/org/simantics/district/selection/ui/handlers/EditElementSelector.java

   1 package org.simantics.district.selection.ui.handlers;
   2
   3 import javax.inject.Inject;
   4
   5 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
   6 import org.eclipse.e4.core.contexts.IEclipseContext;
   7 import org.eclipse.e4.core.di.annotations.CanExecute;
   8 import org.eclipse.e4.core.di.annotations.Execute;
   9 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  10 import org.eclipse.e4.ui.workbench.IWorkbench;
  11 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  12 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  13 import org.eclipse.jface.window.Window;
  14 import org.eclipse.swt.widgets.Shell;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.district.selection.ui.parts.EditSelectorDialog;
  17 import org.simantics.district.selection.ui.parts.ElementSelectionView;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 public class EditElementSelector {
  22
  23         private static final Logger LOGGER = LoggerFactory.getLogger(EditElementSelector.class);
  24
  25         @Inject
  26         EPartService partService;
  27
  28         @CanExecute
  29         public boolean canExecute(ESelectionService selectionService) {
  30                 MPart part = partService.getActivePart();
  31                 if (part == null) return false;
  32
  33                 Object object = part.getObject();
  34                 if (object == null || !(object instanceof ElementSelectionView))
  35                         return false;
  36
  37                 ElementSelectionView view = (ElementSelectionView)object;
  38                 return view.getSelectedItem() != null;
  39         }
  40
  41         @Execute
  42         public void editElementSelector(IEclipseContext context, IWorkbench workbench) {
  43                 MPart part = partService.getActivePart();
  44                 if (part == null) return;
  45
  46                 Object object = part.getObject();
  47                 if (object == null || !(object instanceof ElementSelectionView))
  48                         return;
  49
  50                 ElementSelectionView view = (ElementSelectionView)object;
  51
  52                 Shell shell = context.getActive(Shell.class);
  53                 EditSelectorDialog dialog = new EditSelectorDialog(shell, view.getSelectedItem());
  54
  55                 LOGGER.debug("Opening dialog");
  56                 int result = dialog.open();
  57                 LOGGER.debug("Dialog closed with result code " + result);
  58                 if (result == Window.OK) {
  59                         try {
  60                                 dialog.writeSelection();
  61                         } catch (DatabaseException e) {
  62                                 LOGGER.error("Writing new element selection failed", e);
  63                         }
  64                 }
  65         }
  66 }