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/**
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*
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*/
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package eu.etaxonomy.taxeditor.model;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import org.eclipse.ui.IPartListener2;
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import org.eclipse.ui.IPartService;
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import org.eclipse.ui.IWorkbenchPartReference;
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import org.eclipse.ui.PlatformUI;
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/**
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* <p>TaxeditorPartService class.</p>
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*
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* @author n.hoffmann
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*/
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public class TaxeditorPartService implements IPartListener2{
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/** Constant <code>PART_ACTIVATED=10</code> */
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public static final int PART_ACTIVATED = 10;
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/** Constant <code>PART_BROUGHT_TO_TOP=20</code> */
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public static final int PART_BROUGHT_TO_TOP = 20;
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/** Constant <code>PART_CLOSED=30</code> */
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public static final int PART_CLOSED = 30;
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/** Constant <code>PART_DEAVTICATED=40</code> */
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public static final int PART_DEAVTICATED = 40;
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/** Constant <code>PART_HIDDEN=50</code> */
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public static final int PART_HIDDEN = 50;
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/** Constant <code>PART_INPUT_CHANGED=60</code> */
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public static final int PART_INPUT_CHANGED = 60;
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/** Constant <code>PART_OPENED=70</code> */
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public static final int PART_OPENED = 70;
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/** Constant <code>PART_VISIBLE=80</code> */
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public static final int PART_VISIBLE = 80;
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/** Constant <code>instance</code> */
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public static TaxeditorPartService instance = new TaxeditorPartService();
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private IPartService partService;
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private Map<Integer, Set<IPartChangeListener>> listenerMap = new HashMap<Integer, Set<IPartChangeListener>>();
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private TaxeditorPartService() {
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partService = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getPartService();
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partService.addPartListener(this);
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}
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/**
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* <p>Getter for the field <code>instance</code>.</p>
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*
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* @return a {@link eu.etaxonomy.taxeditor.model.TaxeditorPartService} object.
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*/
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public static TaxeditorPartService getInstance(){
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return instance;
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}
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/**
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* <p>addListener</p>
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*
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* @param eventType a {@link java.lang.Integer} object.
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* @param listener a {@link eu.etaxonomy.taxeditor.model.IPartChangeListener} object.
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*/
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public void addListener(Integer eventType, IPartChangeListener listener){
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Set<IPartChangeListener> partChangeListeners = listenerMap.get(eventType);
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if(partChangeListeners == null){
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partChangeListeners = new HashSet<IPartChangeListener>();
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listenerMap.put(eventType, partChangeListeners);
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}
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partChangeListeners.add(listener);
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}
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/**
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* <p>removeListener</p>
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*
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* @param eventType a {@link java.lang.Integer} object.
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* @param listener a {@link eu.etaxonomy.taxeditor.model.IPartChangeListener} object.
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*/
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public void removeListener(Integer eventType, IPartChangeListener listener){
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Set<IPartChangeListener> partChangeListeners = listenerMap.get(eventType);
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if(partChangeListeners == null){
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return;
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}
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partChangeListeners.remove(listener);
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}
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private void notifyListeners(Integer eventType, IWorkbenchPartReference partRef){
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Set<IPartChangeListener> partChangeListeners = listenerMap.get(eventType);
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if(partChangeListeners == null){
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return;
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}
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for(IPartChangeListener listener : partChangeListeners){
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listener.partChanged(eventType, partRef);
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}
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}
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@Override
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public void partActivated(IWorkbenchPartReference partRef) {
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notifyListeners(PART_ACTIVATED, partRef);
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}
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@Override
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public void partBroughtToTop(IWorkbenchPartReference partRef) {
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notifyListeners(PART_BROUGHT_TO_TOP, partRef);
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}
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@Override
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public void partClosed(IWorkbenchPartReference partRef) {
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notifyListeners(PART_CLOSED, partRef);
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}
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@Override
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public void partDeactivated(IWorkbenchPartReference partRef) {
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notifyListeners(PART_DEAVTICATED, partRef);
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}
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@Override
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public void partOpened(IWorkbenchPartReference partRef) {
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notifyListeners(PART_OPENED, partRef);
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}
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@Override
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public void partHidden(IWorkbenchPartReference partRef) {
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notifyListeners(PART_HIDDEN, partRef);
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}
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@Override
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public void partVisible(IWorkbenchPartReference partRef) {
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notifyListeners(PART_VISIBLE, partRef);
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}
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@Override
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public void partInputChanged(IWorkbenchPartReference partRef) {
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notifyListeners(PART_INPUT_CHANGED, partRef);
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}
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}
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