eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/contextMenu/ListenToSelectionChangeContextMenu.java

   1 package eu.etaxonomy.taxeditor.editor.view.derivate.contextMenu;
   2
   3 import org.eclipse.jface.action.ContributionItem;
   4 import org.eclipse.jface.action.IContributionItem;
   5 import org.eclipse.swt.SWT;
   6 import org.eclipse.swt.events.SelectionAdapter;
   7 import org.eclipse.swt.events.SelectionEvent;
   8 import org.eclipse.swt.widgets.Menu;
   9 import org.eclipse.swt.widgets.MenuItem;
  10 import org.eclipse.ui.IWorkbenchPart;
  11 import org.eclipse.ui.IWorkbenchWindow;
  12 import org.eclipse.ui.PlatformUI;
  13 import org.eclipse.ui.actions.CompoundContributionItem;
  14
  15 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  16 import eu.etaxonomy.taxeditor.model.ImageResources;
  17
  18 /**
  19  * Context menu for the SingleReads in the derivate hierarchy.
  20  *
  21  */
  22 public class ListenToSelectionChangeContextMenu extends CompoundContributionItem {
  23
  24     @Override
  25     protected IContributionItem[] getContributionItems() {
  26         IContributionItem[] contributionItems = new IContributionItem[] {
  27                 new ContributionItem() {
  28                     @Override
  29                     public void fill(Menu menu, int index) {
  30                         final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  31                         IWorkbenchPart activePart = window.getActivePage().getActivePart();
  32                         if(activePart instanceof DerivateView){
  33                             final DerivateView derivateView = (DerivateView) activePart;
  34                             MenuItem item = new MenuItem(menu, SWT.NONE);
  35                             if(derivateView.isListenToSelectionChange()){
  36                                 item.setText("Unlink from taxon selection");
  37                             }
  38                             else{
  39                                 item.setText("Link with taxon selection");
  40                             }
  41                             item.setImage(ImageResources.getImage(ImageResources.SYNCED));
  42                             item.addSelectionListener(new SelectionAdapterExtension(derivateView));
  43                         }
  44                     }
  45                 }
  46         };
  47         return contributionItems;
  48     }
  49
  50     private final class SelectionAdapterExtension extends SelectionAdapter {
  51
  52         private final DerivateView derivateView;
  53
  54         private SelectionAdapterExtension(DerivateView derivateView) {
  55             this.derivateView = derivateView;
  56         }
  57
  58         @Override
  59         public void widgetSelected(SelectionEvent e) {
  60             derivateView.toggleListenToSelectionChange();
  61         }
  62     }
  63 }
  64