/*******************************************************************************
 * Copyright (c) 2013 Dirk Fauth and others.
 * 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:
 *    Dirk Fauth <dirk.fauth@gmail.com> - initial API and implementation
 *******************************************************************************/
package org.eclipse.nebula.widgets.nattable.examples._500_Layers;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.data.ExtendedReflectiveColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IColumnPropertyAccessor;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.ListDataProvider;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.data.person.ExtendedPersonWithAddress;
import org.eclipse.nebula.widgets.nattable.examples.data.person.PersonService;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultColumnHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultCornerDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.data.DefaultRowHeaderDataProvider;
import org.eclipse.nebula.widgets.nattable.grid.layer.ColumnHeaderLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.CornerLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.DefaultColumnHeaderDataLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.DefaultRowHeaderDataLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.GridLayer;
import org.eclipse.nebula.widgets.nattable.grid.layer.RowHeaderLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupExpandCollapseLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupGroupHeaderLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupHeaderLayer;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupModel;
import org.eclipse.nebula.widgets.nattable.group.ColumnGroupReorderLayer;
import org.eclipse.nebula.widgets.nattable.hideshow.ColumnHideShowLayer;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.reorder.ColumnReorderLayer;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/**
 * Simple example showing how to add the {@link ColumnGroupHeaderLayer} and the
 * {@link ColumnGroupGroupHeaderLayer} to the layer composition of a grid and 
 * how to add the corresponding actions to the column header menu.
 * 
 * @author Dirk Fauth
 *
 */
public class _5112_TwoLevelColumnGroupingExample extends AbstractNatExample {

	public static void main(String[] args) throws Exception {
		StandaloneNatExampleRunner.run(new _5112_TwoLevelColumnGroupingExample());
	}

	@Override
	public String getDescription() {
		return "This example shows the usage of the ColumnGroupHeaderLayer and the ColumnGroupHeaderLayer "
				+ "within a grid and its corresponding actions in the column header menu. If you perform a "
				+ "right click on the column header, you are able to hide the current selected "
				+ "column or show all columns again.";
	}
	
	@Override
	public Control createExampleControl(Composite parent) {
		//property names of the Person class
		String[] propertyNames = {"firstName", "lastName", "gender", "married", 
				"address.street", "address.housenumber", "address.postalCode", "address.city", 
				"age", "birthday", "money",
				"description", "favouriteFood", "favouriteDrinks"};

		//mapping from property to label, needed for column header labels
		Map<String, String> propertyToLabelMap = new HashMap<String, String>();
		propertyToLabelMap.put("firstName", "Firstname");
		propertyToLabelMap.put("lastName", "Lastname");
		propertyToLabelMap.put("gender", "Gender");
		propertyToLabelMap.put("married", "Married");
		propertyToLabelMap.put("address.street", "Street");
		propertyToLabelMap.put("address.housenumber", "Housenumber");
		propertyToLabelMap.put("address.postalCode", "Postalcode");
		propertyToLabelMap.put("address.city", "City");
		propertyToLabelMap.put("age", "Age");
		propertyToLabelMap.put("birthday", "Birthday");
		propertyToLabelMap.put("money", "Money");
		propertyToLabelMap.put("description", "Description");
		propertyToLabelMap.put("favouriteFood", "Food");
		propertyToLabelMap.put("favouriteDrinks", "Drinks");

		IColumnPropertyAccessor<ExtendedPersonWithAddress> columnPropertyAccessor = 
				new ExtendedReflectiveColumnPropertyAccessor<ExtendedPersonWithAddress>(propertyNames);

		ColumnGroupModel columnGroupModel = new ColumnGroupModel();
		ColumnGroupModel sndColumnGroupModel = new ColumnGroupModel();
		
		//build the body layer stack 
		//Usually you would create a new layer stack by extending AbstractIndexLayerTransform and
		//setting the ViewportLayer as underlying layer. But in this case using the ViewportLayer
		//directly as body layer is also working.
		IDataProvider bodyDataProvider = 
				new ListDataProvider<ExtendedPersonWithAddress>(
						PersonService.getExtendedPersonsWithAddress(10), columnPropertyAccessor);
		DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
		ColumnReorderLayer columnReorderLayer = new ColumnReorderLayer(bodyDataLayer);
		ColumnGroupReorderLayer columnGroupReorderLayer = new ColumnGroupReorderLayer(columnReorderLayer, columnGroupModel);
		ColumnHideShowLayer columnHideShowLayer = new ColumnHideShowLayer(columnGroupReorderLayer);
		ColumnGroupExpandCollapseLayer columnGroupExpandCollapseLayer = 
				new ColumnGroupExpandCollapseLayer(columnHideShowLayer, sndColumnGroupModel, columnGroupModel);
		SelectionLayer selectionLayer = new SelectionLayer(columnGroupExpandCollapseLayer);
		ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);

		//build the column header layer
		IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabelMap);
		DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(columnHeaderDataProvider);
		ILayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, viewportLayer, selectionLayer);
		ColumnGroupHeaderLayer columnGroupHeaderLayer = new ColumnGroupHeaderLayer(columnHeaderLayer, selectionLayer, columnGroupModel);

		//configure the column groups
		columnGroupHeaderLayer.addColumnsIndexesToGroup("Person", 0, 1, 2, 3);
		columnGroupHeaderLayer.addColumnsIndexesToGroup("Address", 4, 5, 6, 7);
		columnGroupHeaderLayer.addColumnsIndexesToGroup("Facts", 8, 9, 10);
		columnGroupHeaderLayer.addColumnsIndexesToGroup("Personal", 11, 12, 13);
		columnGroupHeaderLayer.setStaticColumnIndexesByGroup("Person", 0, 1);
		columnGroupHeaderLayer.setStaticColumnIndexesByGroup("Address", 4, 5, 6);
		columnGroupHeaderLayer.setGroupUnbreakable(1);

		ColumnGroupGroupHeaderLayer sndGroup = 
				new ColumnGroupGroupHeaderLayer(columnGroupHeaderLayer, selectionLayer, sndColumnGroupModel);
		
		sndGroup.addColumnsIndexesToGroup("PersonWithAddress", 0, 1, 2, 3, 4, 5, 6, 7);
		sndGroup.addColumnsIndexesToGroup("Additional Information", 8, 9, 10, 11, 12, 13);

		sndGroup.setStaticColumnIndexesByGroup("PersonWithAddress", 0, 1);
		
		//build the row header layer
		IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyDataProvider);
		DataLayer rowHeaderDataLayer = new DefaultRowHeaderDataLayer(rowHeaderDataProvider);
		ILayer rowHeaderLayer = new RowHeaderLayer(rowHeaderDataLayer, viewportLayer, selectionLayer);
		
		//build the corner layer
		IDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider, rowHeaderDataProvider);
		DataLayer cornerDataLayer = new DataLayer(cornerDataProvider);
		ILayer cornerLayer = new CornerLayer(cornerDataLayer, rowHeaderLayer, sndGroup);
		
		//build the grid layer
		GridLayer gridLayer = new GridLayer(viewportLayer, sndGroup, rowHeaderLayer, cornerLayer);
		
		//turn the auto configuration off as we want to add our header menu configuration
		NatTable natTable = new NatTable(parent, gridLayer);
		
		return natTable;
	}

}