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package eu.etaxonomy.taxeditor.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.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.taxeditor.view.CdmViewerChooser;
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/**
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* Opens the (first) currently selected element in a viewer. Opens a list of
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* possible viewers if more than one are registered for this element.
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*
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* @author pplitzner
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* @date Jul 6, 2015
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*
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*/
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public class OpenHandler extends AbstractHandler {
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
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if(currentSelection instanceof IStructuredSelection){
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Object firstElement = ((IStructuredSelection) currentSelection).getFirstElement();
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CdmViewerChooser viewerChooser = new CdmViewerChooser(HandlerUtil.getActiveShell(event));
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viewerChooser.chooseViewer(firstElement);
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}
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return null;
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}
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}
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