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/**
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*
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*/
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package eu.etaxonomy.taxeditor.editor.key.polytomous.handler;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyGraphEditor;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.operation.CreateNodeOperation;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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/**
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* @author n.hoffmann
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*
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*/
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public class CreateNodeHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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if(editor instanceof PolytomousKeyGraphEditor){
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PolytomousKeyGraphEditor keyEditor = (PolytomousKeyGraphEditor) editor;
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IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getActiveMenuSelection(event);
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if(selection.getFirstElement() instanceof PolytomousKeyNode){
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try {
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String label = event.getCommand().getName();
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IUndoContext undoContext = EditorUtil.getUndoContext();
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PolytomousKeyNode keyNode = (PolytomousKeyNode) selection.getFirstElement();
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AbstractPostOperation operation = new CreateNodeOperation(label, undoContext, keyNode, keyEditor);
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EditorUtil.executeOperation(operation);
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} catch (NotDefinedException e) {
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EditorUtil.warn(getClass(), "Command name not set.");
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}
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}
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}
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return null;
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}
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}
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