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Revision 3699c749

Added by Katja Luther about 6 years ago

ref #7227: check for empty selection for menu creation

View differences:

eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/e4/handler/RemoveMergeCandidateHandlerE4.java
15 15 
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
16 16 
import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
17 17 
import org.eclipse.e4.ui.services.IServiceConstants;
18 
import org.eclipse.jface.viewers.StructuredSelection;
18 19 

  		




  19
  20
  
    
import eu.etaxonomy.cdm.model.common.CdmBase;


  		




  20
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import eu.etaxonomy.taxeditor.bulkeditor.e4.BulkEditorE4;


  		




  ......




  43
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        	 editor.getEditorInput().removeMergeCandidate((CdmBase)selection);


  		




  44
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             editor.refresh();


  		




  45
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         }


  		




  46
  
  
    
        


  		




  47
  
  
    
        


  		




  
  47
  
    

  		




  
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  48
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    }


  		




  49
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  50
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    @CanExecute


  		




  51
  
  
    
    public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)Object selection,


  		




  52
  
  
    
            @Named(IServiceConstants.ACTIVE_PART)MPart activePart,


  		




  
  52
  
    
    public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,


  		




  53
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            MHandledMenuItem menuItem) {


  		




  54
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        boolean canExecute = false;


  		




  55
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        BulkEditorE4 editor = (BulkEditorE4) activePart.getObject();


  		




  
  56
  
    
        StructuredSelection selection = (StructuredSelection)((BulkEditorE4)activePart.getObject()).getViewer().getSelection();


  		




  56
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        boolean selectedMergeCandidate = false;


  		




  57
  
  
    
        if (selection instanceof Object[]){


  		




  58
  
  
    
            for(Object object: (Object[])selection){


  		




  
  58
  
    
        if (selection instanceof StructuredSelection){


  		




  
  59
  
    
            for(Object object: selection.toArray()){


  		




  59
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                 if (object instanceof CdmBase){


  		




  60
  
  
    
                	 editor.getEditorInput().getMergeCandidates().contains((CdmBase)object);


  		




  
  61
  
    
                	 editor.getEditorInput().getMergeCandidates().contains(object);


  		




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                	 selectedMergeCandidate = true;


  		




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                 }


  		




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             }


  		




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         }


  		




  65
  
  
    
        


  		




  
  66
  
    

  		




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        canExecute = editor.getEditorInput().isMergingEnabled() && selectedMergeCandidate;


  		




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//                && editor.getEditorInput().getMergeCandidates().contains(selection);


  		




  68
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        menuItem.setVisible(canExecute);


  		












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