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/**
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* Copyright (C) 2009 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.editor.workingSet;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerDropAdapter;
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import org.eclipse.swt.dnd.TransferData;
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import eu.etaxonomy.cdm.model.description.Character;
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import eu.etaxonomy.cdm.model.description.FeatureNode;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.taxeditor.featuretree.FeatureNodeTransfer;
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/**
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*
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* @author pplitzner
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* @date Jun 1, 2017
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*
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*/
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public class CharacterDropAdapter extends ViewerDropAdapter {
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protected CharacterDropAdapter(Viewer viewer) {
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super(viewer);
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}
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@Override
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public boolean performDrop(Object data) {
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FeatureNode target = (FeatureNode) getCurrentTarget();
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int currentLocation = getCurrentLocation();
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Object[] characterData = (Object[]) data;
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//create new Character
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if(characterData.length==2){
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FeatureNode structureNode = (FeatureNode) characterData[0];
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FeatureNode propertyNode = (FeatureNode) characterData[1];
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String label = structureNode.getFeature().toString()+" "+propertyNode.getFeature().toString();
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Character character = Character.NewInstance(structureNode, propertyNode, null, label, label);
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FeatureNode characterNode = FeatureNode.NewInstance(character);
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if(getViewer().getInput()==null){
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//create new feature tree
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FeatureTree featureTree = FeatureTree.NewInstance();
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getViewer().setInput(featureTree);
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}
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if(target==null){
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FeatureNode root = ((FeatureTree)getViewer().getInput()).getRoot();
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root.addChild(characterNode);
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}
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else{
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target.addChild(characterNode);
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}
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}
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getViewer().refresh();
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return true;
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}
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@Override
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public boolean validateDrop(Object target, int operation,
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TransferData transferType) {
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boolean transferDataIsSupported = FeatureNodeTransfer.getInstance().isSupportedType(transferType);
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return transferDataIsSupported;
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}
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}
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