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Revision c3bb7840

Added by Patrick Plitzner over 6 years ago

ref #6909 Implement menu item/handler visibility

View differences:

eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/CreateClassificationHierarchyHandlerE4.java
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import javax.inject.Named;


  		




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import org.eclipse.e4.core.di.annotations.CanExecute;


  		




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import org.eclipse.e4.ui.model.application.ui.basic.MPart;


  		




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import org.eclipse.e4.ui.services.IServiceConstants;


  		




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import org.eclipse.jface.viewers.TreeSelection;


  		




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import eu.etaxonomy.taxeditor.navigation.l10n.Messages;


  		




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import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;


  		




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import eu.etaxonomy.taxeditor.navigation.operation.CreateNewTaxonHierarchyOperation;


  		




  
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import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;


  		




  
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;


  		




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import eu.etaxonomy.taxeditor.store.StoreUtil;


  		




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/**


  		




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        TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();


  		




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            Object selectedElement = selection.getFirstElement();


  		




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            if (selectedElement instanceof TaxonNode && !((TaxonNode)selectedElement).hasTaxon()) {


  		




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                Classification classification = ((TaxonNode) selectedElement).getClassification();


  		




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                try {


  		




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                    CreateNewTaxonHierarchyOperation operation = new CreateNewTaxonHierarchyOperation(Messages.CreateClassificationHierarchyHandler_CREATE_HIERARCHY, StoreUtil.getUndoContext(),classification, taxonNavigator, taxonNavigator);


  		




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                    AbstractUtility.executeOperation(operation);


  		




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                    taxonNavigator.refresh();


  		




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                } catch (Exception e) {


  		




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                    MessagingUtils.messageDialog(Messages.CreateClassificationHierarchyHandler_FAILED, CreateClassificationHierarchyHandlerE4.class,


  		




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                            Messages.CreateClassificationHierarchyHandler_FAILED_MESSAGE, e);


  		




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                }


  		




  
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        Object selectedElement = selection.getFirstElement();


  		




  
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        if (selectedElement instanceof TaxonNode && !((TaxonNode)selectedElement).hasTaxon()) {


  		




  
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            Classification classification = ((TaxonNode) selectedElement).getClassification();


  		




  
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            try {


  		




  
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                CreateNewTaxonHierarchyOperation operation = new CreateNewTaxonHierarchyOperation(Messages.CreateClassificationHierarchyHandler_CREATE_HIERARCHY, StoreUtil.getUndoContext(),classification, taxonNavigator, taxonNavigator);


  		




  
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                AbstractUtility.executeOperation(operation);


  		




  
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                taxonNavigator.refresh();


  		




  
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            } catch (Exception e) {


  		




  
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                MessagingUtils.messageDialog(Messages.CreateClassificationHierarchyHandler_FAILED, CreateClassificationHierarchyHandlerE4.class,


  		




  
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                        Messages.CreateClassificationHierarchyHandler_FAILED_MESSAGE, e);


  		




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            }


  		




  
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        }


  		




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    }


  		




  
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    @CanExecute


  		




  
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    private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection){


  		




  
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        return selection.getFirstElement() instanceof Classification && PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES);


  		




  
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    }


  		




  
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}


  		












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