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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;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Set;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Combo;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Label;
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/**
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* @author n.hoffmann
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* @created Dec 14, 2010
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* @version 1.0
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*/
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public class BulkEditorSortCombo {
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private Label label;
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private Combo combo;
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private List<IBulkEditorSortProvider> sortProviders;
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private List<Comparator> comparators = new ArrayList<Comparator>();
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private int selectedIndex = 0;
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/**
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*
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*/
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public BulkEditorSortCombo(Composite parent, List<IBulkEditorSortProvider> sortProviders) {
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this.sortProviders = sortProviders;
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if(! sortProviders.isEmpty()){
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label = new Label(parent, SWT.NONE);
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label.setText("Sort by");
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combo = new Combo(parent, SWT.DROP_DOWN);
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fillCombo();
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}
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}
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/**
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*
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*/
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private void fillCombo() {
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for(IBulkEditorSortProvider sortProvider : sortProviders){
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Set<String> names = sortProvider.getComparatorNames();
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for(String name : names){
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combo.add(name);
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comparators.add(sortProvider.getComparatorByName(name));
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}
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}
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combo.addSelectionListener(new SelectionListener());
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combo.select(selectedIndex);
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}
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private class SelectionListener extends SelectionAdapter{
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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@Override
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public void widgetSelected(SelectionEvent e) {
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selectedIndex = combo.getSelectionIndex();
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}
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}
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/**
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*
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*/
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public Comparator getSelection() {
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return comparators.get(selectedIndex);
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}
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}
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