eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerContextMenu.java

   1 package eu.etaxonomy.taxeditor.view;
   2
   3 import java.util.Map;
   4 import java.util.Map.Entry;
   5
   6 import org.eclipse.jface.action.ContributionItem;
   7 import org.eclipse.jface.action.IContributionItem;
   8 import org.eclipse.jface.viewers.ISelection;
   9 import org.eclipse.jface.viewers.IStructuredSelection;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.events.SelectionAdapter;
  12 import org.eclipse.swt.events.SelectionEvent;
  13 import org.eclipse.swt.widgets.Menu;
  14 import org.eclipse.swt.widgets.MenuItem;
  15 import org.eclipse.ui.IWorkbenchWindow;
  16 import org.eclipse.ui.PlatformUI;
  17 import org.eclipse.ui.actions.CompoundContributionItem;
  18
  19 /**
  20  * Generic context menu for opening elements in the taxeditor.
  21  *
  22  */
  23 public class CdmViewerContextMenu extends CompoundContributionItem {
  24
  25     @Override
  26     protected IContributionItem[] getContributionItems() {
  27         IContributionItem[] contributionItems = new IContributionItem[] {
  28                 new ContributionItem() {
  29                     @Override
  30                     public void fill(Menu menu, int index) {
  31                         MenuItem addItem = new MenuItem(menu, SWT.CASCADE);
  32                         addItem.setText("Open in...");
  33                         Menu addMenu = new Menu(menu);
  34                         addItem.setMenu(addMenu);
  35                         final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  36                         final ISelection selection = window.getActivePage().getSelection();
  37                         if(selection instanceof IStructuredSelection){
  38                             Object firstElement = ((IStructuredSelection) selection).getFirstElement();
  39                             Map<Entry<Class<?>, String>, ICdmViewer> nameViewerMap = CdmViewerUtil.getNameViewerMap(firstElement);
  40                             for(Entry<Entry<Class<?>, String>, ICdmViewer> entry:nameViewerMap.entrySet()){
  41                                 Entry<Class<?>, String> viewerClass = entry.getKey();
  42                                 MenuItem menuItem = new MenuItem(addMenu, SWT.NONE);
  43                                 menuItem.setText(viewerClass.getValue());
  44                                 menuItem.addSelectionListener(new OpenInViewerListener(entry.getValue(), firstElement, viewerClass.getKey()));
  45                             }
  46                         }
  47                     }
  48                 }
  49         };
  50         return contributionItems;
  51     }
  52
  53     private class OpenInViewerListener extends SelectionAdapter {
  54
  55         private final ICdmViewer cdmViewer;
  56         private final Object input;
  57         private final Class<?> viewerClass;
  58
  59         public OpenInViewerListener(ICdmViewer cdmViewer, Object input, Class<?> viewerClass) {
  60             super();
  61             this.cdmViewer = cdmViewer;
  62             this.input = input;
  63             this.viewerClass = viewerClass;
  64         }
  65
  66         @Override
  67         public void widgetSelected(SelectionEvent e) {
  68             cdmViewer.show(input, viewerClass);
  69         }
  70
  71     }
  72
  73 }