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/**
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* Copyright (C) 2007 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.bulkeditor.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.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.StructuredSelection;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.taxeditor.bulkeditor.e4.BulkEditorE4;
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import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
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/**
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*
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* @author pplitzner
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* @date 12.09.2017
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*
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*/
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public class SetMergeCandidateHandlerE4 {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)Object selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
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BulkEditorE4 editor = (BulkEditorE4) activePart.getObject();
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AbstractBulkEditorInput input = editor.getEditorInput();
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if(input.getMergeTarget()!=null
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&& input.getMergeTarget().equals(selection)){
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input.setMergeTarget(null);
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}
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if (selection instanceof Object[]){
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for(Object object: (Object[])selection){
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if (object instanceof CdmBase){
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input.addMergeCandidate((CdmBase)object);
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}
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}
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}else if (selection instanceof CdmBase){
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input.addMergeCandidate((CdmBase)selection);
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}
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editor.refresh();
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}
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@CanExecute
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public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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MHandledMenuItem menuItem) {
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boolean canExecute = false;
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BulkEditorE4 editor = (BulkEditorE4) activePart.getObject();
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StructuredSelection selection = (StructuredSelection)((BulkEditorE4)activePart.getObject()).getSelection();
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canExecute = !selection.isEmpty()
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&& editor.getEditorInput().isMergingEnabled()
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&& !editor.getEditorInput().getMergeCandidates().contains(selection.getFirstElement());
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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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