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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.featuretree.e4.handler;
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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.core.di.annotations.Execute;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeSelection;
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import eu.etaxonomy.cdm.persistence.dto.TermNodeDto;
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import eu.etaxonomy.cdm.persistence.dto.TermTreeDto;
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import eu.etaxonomy.taxeditor.featuretree.e4.ICharacterEditor;
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import eu.etaxonomy.taxeditor.featuretree.e4.IFeatureTreeEditor;
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import eu.etaxonomy.taxeditor.featuretree.e4.TermTreeEditor;
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import eu.etaxonomy.taxeditor.featuretree.e4.operation.RemoveFeatureOperation;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* @author pplitzner
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* @since Jul 12, 2017
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*
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*/
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public class RemoveFeatureHandler {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection, UISynchronize sync){
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IFeatureTreeEditor editor = (IFeatureTreeEditor) thisPart.getObject();
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// if (StoreUtil.promptCheckIsDirty(editor)) {
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// return;
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// }
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if(!StoreUtil.confirmDelete()){
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return;
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}
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for (Object selectedObject : selection.toArray()) {
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TermNodeDto featureNode = (TermNodeDto) selectedObject;
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TermTreeDto tree = featureNode.getTree();
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if (featureNode.getUuid() != null){
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RemoveFeatureOperation operation = new RemoveFeatureOperation(featureNode.getUuid(), editor, editor);
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editor.addOperation(operation);
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}else{
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// editor.removeAddOperation(featureNode);
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}
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ISelection sel = editor.getViewer().getSelection();
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if (sel instanceof TreeSelection){
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// Object o =((TreeSelection) sel).getFirstElement();
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// if (o instanceof TermNodeDto && ((TermNodeDto)o).getUuid().equals(featureNode.getUuid())){
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TermNodeDto parent = editor.getNodeDtoForUuid(featureNode.getParentUuid());
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parent.removeChild(featureNode, false);
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// }
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}
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// editor.refresh();
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// }else{
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// for (Object treeDto: ((AbstractTermTreeEditor)editor).getTrees()){
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// if (treeDto instanceof TermTreeDto && ((TermTreeDto)treeDto).getUuid().equals(featureNode.getTree().getUuid())){
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// ((TermTreeDto)treeDto).removeChild(featureNode);
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// }
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//
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// }
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if (editor instanceof TermTreeEditor){
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Object[] expandedElements = ((TermTreeEditor)editor).getViewer().getExpandedElements();
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((TermTreeEditor)editor).getViewer().setInput(((TermTreeEditor)editor).getTrees());
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((TermTreeEditor)editor).getViewer().setExpandedElements(expandedElements);
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}else{
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((ICharacterEditor)editor).getViewer().setInput(tree);
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}
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editor.refresh();
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// }
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editor.setDirty();
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}
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}
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@CanExecute
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public boolean canExecute(
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@Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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MHandledMenuItem menuItem) {
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boolean canExecute = selection!=null && !selection.isEmpty();
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if(selection!=null){
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for(Object object:selection.toArray()){
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canExecute &= object instanceof TermNodeDto;
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}
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}
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canExecute &= thisPart.getObject() instanceof IFeatureTreeEditor;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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