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Revision f57d8d08

Added by Patrick Plitzner about 6 years ago

ref #6746 Hide menu items when nothing is selected

View differences:

eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/handler/AddChildFeatureHandler.java
15 15 
import org.eclipse.core.runtime.IStatus;
16 16 
import org.eclipse.e4.core.di.annotations.CanExecute;
17 17 
import org.eclipse.e4.core.di.annotations.Execute;
18 
import org.eclipse.e4.core.di.annotations.Optional;
18 19 
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
19 20 
import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
20 21 
import org.eclipse.e4.ui.services.IServiceConstants;
......
57 58 

  		




  58
  59
  
    
    @CanExecute


  		




  59
  60
  
    
    public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,


  		




  60
  
  
    
            @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,


  		




  
  61
  
    
            @Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,


  		




  61
  62
  
    
            MHandledMenuItem menuItem) {


  		




  62
  63
  
    
        boolean canExecute = false;


  		




  63
  64
  
    
        canExecute = thisPart.getObject() instanceof FeatureTreeEditor


  		




  
  65
  
    
                && selection!=null


  		




  64
  66
  
    
                && selection.size()==1


  		




  65
  67
  
    
                && selection.iterator().next() instanceof FeatureNode;


  		




  66
  68
  
    
        menuItem.setVisible(canExecute);


  		












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