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Revision dcf7fd09

Added by Patrick Plitzner almost 6 years ago

ref #7010 Adapt molecular handlers for multiple selection

View differences:

eu.etaxonomy.taxeditor.molecular/src/main/java/eu/etaxonomy/taxeditor/molecular/editor/e4/handler/ShowPherogramHandlerE4.java
13 13 
import org.eclipse.e4.ui.services.IServiceConstants;
14 14 
import org.eclipse.e4.ui.workbench.modeling.EPartService;
15 15 
import org.eclipse.e4.ui.workbench.modeling.EPartService.PartState;
16 
import org.eclipse.jface.viewers.IStructuredSelection;
16 17 
import org.eclipse.jface.viewers.TreeNode;
17 18 

  		




  18
  19
  
    
import eu.etaxonomy.cdm.model.media.MediaUtils;


  		




  ......




  33
  34
  
    
 */


  		




  34
  35
  
    
public class ShowPherogramHandlerE4 {


  		




  35
  36
  
    

  		




  36
  
  
    
	@Execute


  		




  37
  
  
    
	public Object execute(@Optional@Named(IServiceConstants.ACTIVE_SELECTION)TreeNode treeNodeOfSelection,


  		




  38
  
  
    
	        EPartService partService) {


  		




  39
  
  
    
		if (treeNodeOfSelection != null && treeNodeOfSelection.getValue() instanceof SingleRead) {


  		




  40
  
  
    
		    //TODO Can the parent node (containing the cut positions) be extracted from SingleRead?


  		




  41
  
  
    
			try {


  		




  42
  
  
    
			    SingleRead singleRead = (SingleRead)treeNodeOfSelection.getValue();


  		




  43
  
  
    
			    URI uri = null;


  		




  44
  
  
    
			    if (singleRead.getPherogram() != null) {  // Pherogram objects without URI are possible.


  		




  45
  
  
    
			        uri = MediaUtils.getFirstMediaRepresentationPart(singleRead.getPherogram()).getUri();


  		




  46
  
  
    
			    }


  		




  
  37
  
    
    @Execute


  		




  
  38
  
    
    public void execute(@Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,


  		




  
  39
  
    
            EPartService partService) {


  		




  
  40
  
    
        //TODO Can the parent node (containing the cut positions) be extracted from SingleRead?


  		




  
  41
  
    
        try {


  		




  
  42
  
    
            SingleRead singleRead = (SingleRead) ((TreeNode) selection.getFirstElement()).getValue();


  		




  
  43
  
    
            URI uri = null;


  		




  
  44
  
    
            if (singleRead.getPherogram() != null) {  // Pherogram objects without URI are possible.


  		




  
  45
  
    
                uri = MediaUtils.getFirstMediaRepresentationPart(singleRead.getPherogram()).getUri();


  		




  
  46
  
    
            }


  		




  47
  47
  
    

  		




  48
  
  
    
			    if (uri == null) {


  		




  49
  
  
    
	                MessagingUtils.messageDialog(Messages.ShowPherogramHandler_NO_PHEROGRAM, this,


  		




  50
  
  
    
	                        Messages.ShowPherogramHandler_NO_PHEROGRAM_MESSAGE);


  		




  51
  
  
    
			    }


  		




  52
  
  
    
			    else {


  		




  53
  
  
    
			        MPart part = partService.createPart(eu.etaxonomy.taxeditor.molecular.AppModelId.PARTDESCRIPTOR_EU_ETAXONOMY_TAXEDITOR_MOLECULAR_EDITOR_E4_PHEROGRAMPARTE4);


  		




  54
  
  
    
			        part = partService.showPart(part, PartState.ACTIVATE);


  		




  55
  
  
    
			        PherogramPartE4 pherogramPart = (PherogramPartE4) part.getObject();


  		




  56
  
  
    
			        pherogramPart.init(new PherogramComponentModel(AlignmentEditorE4.readPherogram(uri)));


  		




  57
  
  
    
			    }


  		




  58
  
  
    
			}


  		




  59
  
  
    
	        catch (Exception e) {


  		




  60
  
  
    
	            MessagingUtils.errorDialog(Messages.ShowPherogramHandler_ERROR, null, e.getLocalizedMessage(), TaxeditorMolecularPlugin.PLUGIN_ID,


  		




  61
  
  
    
	                    e, false);


  		




  62
  
  
    
	        }


  		




  
  48
  
    
            if (uri == null) {


  		




  
  49
  
    
                MessagingUtils.messageDialog(Messages.ShowPherogramHandler_NO_PHEROGRAM, this,


  		




  
  50
  
    
                        Messages.ShowPherogramHandler_NO_PHEROGRAM_MESSAGE);


  		




  
  51
  
    
            }


  		




  
  52
  
    
            else {


  		




  
  53
  
    
                MPart part = partService.createPart(eu.etaxonomy.taxeditor.molecular.AppModelId.PARTDESCRIPTOR_EU_ETAXONOMY_TAXEDITOR_MOLECULAR_EDITOR_E4_PHEROGRAMPARTE4);


  		




  
  54
  
    
                part = partService.showPart(part, PartState.ACTIVATE);


  		




  
  55
  
    
                PherogramPartE4 pherogramPart = (PherogramPartE4) part.getObject();


  		




  
  56
  
    
                pherogramPart.init(new PherogramComponentModel(AlignmentEditorE4.readPherogram(uri)));


  		




  
  57
  
    
            }


  		




  
  58
  
    
        }


  		




  
  59
  
    
        catch (Exception e) {


  		




  
  60
  
    
            MessagingUtils.errorDialog(Messages.ShowPherogramHandler_ERROR, null, e.getLocalizedMessage(), TaxeditorMolecularPlugin.PLUGIN_ID,


  		




  
  61
  
    
                    e, false);


  		




  63
  62
  
    
        }


  		




  64
  
  
    
        return null;


  		




  65
  63
  
    
    }


  		




  66
  64
  
    

  		




  67
  65
  
    
    @CanExecute


  		




  68
  
  
    
    public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_SELECTION) TreeNode selectedTreeNode, MHandledMenuItem menuItem) {


  		




  
  66
  
    
    public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection, MHandledMenuItem menuItem) {


  		




  69
  67
  
    
        boolean canExecute = false;


  		




  70
  
  
    
        if(selectedTreeNode!=null){


  		




  71
  
  
    
            Object value = selectedTreeNode.getValue();


  		




  72
  
  
    
            canExecute = value instanceof SingleRead;


  		




  73
  
  
    
        }


  		




  
  68
  
    
        canExecute = selection.size()==1


  		




  
  69
  
    
                && selection.getFirstElement() instanceof TreeNode


  		




  
  70
  
    
                && ((TreeNode) selection.getFirstElement()).getValue() instanceof SingleRead;


  		




  74
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        menuItem.setVisible(canExecute);


  		




  75
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        return canExecute;


  		




  76
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    }


  		












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