ATCMenuContributionItem.java

/*******************************************************************************
 * Copyright (c) 2014 MEDEVIT.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     MEDEVIT <office@medevit.at> - initial API and implementation
 ******************************************************************************/
package at.medevit.ch.artikelstamm.elexis.common.ui.cv;

import java.util.List;

import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;

import at.medevit.atc_codes.ATCCode;
import at.medevit.atc_codes.ATCCodeLanguageConstants;
import at.medevit.atc_codes.ATCCodeService;
import at.medevit.ch.artikelstamm.elexis.common.internal.ATCCodeServiceConsumer;
import at.medevit.ch.artikelstamm.elexis.common.preference.PreferenceConstants;
import ch.artikelstamm.elexis.common.ArtikelstammItem;
import ch.elexis.core.data.activator.CoreHub;
import ch.elexis.core.ui.util.viewers.CommonViewer;

public class ATCMenuContributionItem extends ContributionItem {
	
	final private CommonViewer cov;
	final private String prefAtcLanguage;
	final private ArtikelstammFlatDataLoader fdl;
	
	public ATCMenuContributionItem(CommonViewer cov, ArtikelstammFlatDataLoader fdl){
		this.cov = cov;
		this.fdl = fdl;
		
		prefAtcLanguage =
			CoreHub.globalCfg.get(PreferenceConstants.PREF_ATC_CODE_LANGUAGE,
				ATCCodeLanguageConstants.ATC_LANGUAGE_VAL_GERMAN);
	}
	
	@Override
	public void fill(Menu menu, int index){
		StructuredSelection structuredSelection = new StructuredSelection(cov.getSelection());
		Object element = structuredSelection.getFirstElement();
		
		ATCCodeService atcCodeService = ATCCodeServiceConsumer.getATCCodeService();
		if (atcCodeService == null)
			return;
		
		if (element instanceof ArtikelstammItem) {
			final ArtikelstammItem ai = (ArtikelstammItem) element;
			List<ATCCode> atcHierarchy = atcCodeService.getHierarchyForATCCode(ai.getATCCode());
			
			for (ATCCode atcCode : atcHierarchy) {
				MenuItem temp = new MenuItem(menu, SWT.PUSH);
				if (prefAtcLanguage.equals(ATCCodeLanguageConstants.ATC_LANGUAGE_VAL_GERMAN)) {
					temp.setText(atcCode.atcCode + " " + atcCode.name_german);
				} else {
					temp.setText(atcCode.atcCode + " " + atcCode.name);
				}
				final ATCCode tempC = atcCode;
				temp.addSelectionListener(new SelectionAdapter() {
					@Override
					public void widgetSelected(SelectionEvent e){
						fdl.setUseAtcQueryFilter(true);
						fdl.setAtcQueryFilterValue(tempC.atcCode);
					}
				});
			}
		}
		
	}
	
	@Override
	public boolean isDynamic(){
		return true;
	}
	
}