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// $Id$
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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.command;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.NotEnabledException;
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import org.eclipse.core.commands.NotHandledException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.jface.action.ContributionItem;
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import org.eclipse.jface.action.IContributionItem;
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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.Event;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.swt.widgets.MenuItem;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.actions.CompoundContributionItem;
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import org.eclipse.ui.handlers.IHandlerService;
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import eu.etaxonomy.cdm.model.common.MarkerType;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditorUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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 * @author n.hoffmann
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 * @created Dec 13, 2010
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 * @version 1.0
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 */
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public class DynamicMarkerTypeEditingMenu extends CompoundContributionItem {
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	private IHandlerService handlerService = 
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		(IHandlerService) PlatformUI.getWorkbench().getService(IHandlerService.class);
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	/* (non-Javadoc)
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	 * @see org.eclipse.ui.actions.CompoundContributionItem#getContributionItems()
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	 */
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	@Override
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	protected IContributionItem[] getContributionItems() {
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		return new IContributionItem[] {
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				new ContributionItem() {
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					public void fill(Menu menu, int index){
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						for(MarkerType markerType : CdmStore.getTermManager().getPreferredTerms(MarkerType.class)){
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							createMenuItem(menu, markerType);
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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 createMenuItem(Menu menu, final MarkerType markerType) {
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		MenuItem subMenuItem = new MenuItem(menu, SWT.CASCADE);
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		subMenuItem.setText(String.format("Set Flag '%s'", markerType.getLabel()));
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		Menu subMenu = new Menu(menu.getShell(), SWT.DROP_DOWN);
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		subMenuItem.setMenu(subMenu);
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		MenuItem trueItem = new MenuItem(subMenu, SWT.PUSH);
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		trueItem.setText("Yes");
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		trueItem.addSelectionListener(new SelectionAdapter() {
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			public void widgetSelected(SelectionEvent e) {
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				doSetFlagCommand(markerType, true);
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			}	
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		});
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		MenuItem falseItem = new MenuItem(subMenu, SWT.PUSH);
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		falseItem.setText("No");
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		falseItem.addSelectionListener(new SelectionAdapter() {
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			public void widgetSelected(SelectionEvent e) {
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				doSetFlagCommand(markerType, false);
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			}						
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		});
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	}
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	private void doSetFlagCommand(MarkerType markerType, boolean flag) {
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		try {
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			Event event = new Event();
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			event.data = new Object[]{markerType, flag};
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			handlerService.executeCommand("taxeditor-bulkeditor.command.setMarkerFlag", event);
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		} catch (ExecutionException e) {
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			BulkEditorUtil.error(getClass(), e);
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		} catch (NotDefinedException e) {
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			BulkEditorUtil.error(getClass(), e);
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		} catch (NotEnabledException e) {
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			BulkEditorUtil.error(getClass(), e);
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		} catch (NotHandledException e) {
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			BulkEditorUtil.error(getClass(), e);
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		}
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	}		
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}
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