package net.sourceforge.nattable.examples.tutorial;

import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sourceforge.nattable.NatTable;
import net.sourceforge.nattable.data.IDataProvider;
import net.sourceforge.nattable.data.ListDataProvider;
import net.sourceforge.nattable.data.ReflectiveColumnPropertyAccessor;
import net.sourceforge.nattable.examples.AbstractNatExample;
import net.sourceforge.nattable.examples.runner.StandaloneNatExampleRunner;
import net.sourceforge.nattable.grid.data.DefaultColumnHeaderDataProvider;
import net.sourceforge.nattable.grid.data.DefaultCornerDataProvider;
import net.sourceforge.nattable.grid.data.DefaultRowHeaderDataProvider;
import net.sourceforge.nattable.grid.layer.ColumnHeaderLayer;
import net.sourceforge.nattable.grid.layer.CornerLayer;
import net.sourceforge.nattable.grid.layer.GridLayer;
import net.sourceforge.nattable.grid.layer.RowHeaderLayer;
import net.sourceforge.nattable.hideshow.ColumnHideShowLayer;
import net.sourceforge.nattable.layer.AbstractLayerTransform;
import net.sourceforge.nattable.layer.DataLayer;
import net.sourceforge.nattable.reorder.ColumnReorderLayer;
import net.sourceforge.nattable.selection.SelectionLayer;
import net.sourceforge.nattable.viewport.ViewportLayer;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

public class GettingStartedExample extends AbstractNatExample {

	private IDataProvider bodyDataProvider;
	private String[] propertyNames;
	private BodyLayerStack bodyLayer;
	private Map<String, String> propertyToLabels;

	public static void main(String[] args) {
		StandaloneNatExampleRunner.run(600, 400, new GettingStartedExample());
	}

	public Control createExampleControl(Composite parent) {
		bodyDataProvider = setupBodyDataProvider();
		DefaultColumnHeaderDataProvider colHeaderDataProvider = new DefaultColumnHeaderDataProvider(propertyNames, propertyToLabels);
		DefaultRowHeaderDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyDataProvider);

		bodyLayer = new BodyLayerStack(bodyDataProvider);
		ColumnHeaderLayerStack columnHeaderLayer = new ColumnHeaderLayerStack(colHeaderDataProvider);
		RowHeaderLayerStack rowHeaderLayer = new RowHeaderLayerStack(rowHeaderDataProvider);
		DefaultCornerDataProvider cornerDataProvider = new DefaultCornerDataProvider(colHeaderDataProvider, rowHeaderDataProvider);
		CornerLayer cornerLayer = new CornerLayer(new DataLayer(cornerDataProvider), rowHeaderLayer, columnHeaderLayer);

		GridLayer gridLayer = new GridLayer(bodyLayer, columnHeaderLayer, rowHeaderLayer, cornerLayer);
		NatTable natTable = new NatTable(parent, gridLayer);

		return natTable;
	}

	private IDataProvider setupBodyDataProvider() {
		final List<Person> people = Arrays.asList(
				new Person(100, "Mickey Mouse", new Date(1000000)), 
				new Person(110, "Batman", new Date(2000000)), 
				new Person(120, "Bender", new Date(3000000)), 
				new Person(130, "Cartman", new Date(4000000)), 
				new Person(140, "Dogbert", new Date(5000000)));
		

		propertyToLabels = new HashMap<String, String>();
		propertyToLabels.put("id", "ID");
		propertyToLabels.put("name", "First Name");
		propertyToLabels.put("birthDate", "DOB");

		propertyNames = new String[] { "id", "name", "birthDate" };
		return new ListDataProvider<Person>(people, new ReflectiveColumnPropertyAccessor<Person>(propertyNames));

	}

	public class BodyLayerStack extends AbstractLayerTransform {

		private SelectionLayer selectionLayer;

		public BodyLayerStack(IDataProvider dataProvider) {
			DataLayer bodyDataLayer = new DataLayer(dataProvider);
			ColumnReorderLayer columnReorderLayer = new ColumnReorderLayer(bodyDataLayer);
			ColumnHideShowLayer columnHideShowLayer = new ColumnHideShowLayer(columnReorderLayer);
			selectionLayer = new SelectionLayer(columnHideShowLayer);
			ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
			setUnderlyingLayer(viewportLayer);
		}

		public SelectionLayer getSelectionLayer() {
			return selectionLayer;
		}
	}

	public class ColumnHeaderLayerStack extends AbstractLayerTransform {

		public ColumnHeaderLayerStack(IDataProvider dataProvider) {
			DataLayer dataLayer = new DataLayer(dataProvider);
			ColumnHeaderLayer colHeaderLayer = new ColumnHeaderLayer(dataLayer, bodyLayer, bodyLayer.getSelectionLayer());
			setUnderlyingLayer(colHeaderLayer);
		}
	}

	public class RowHeaderLayerStack extends AbstractLayerTransform {

		public RowHeaderLayerStack(IDataProvider dataProvider) {
			DataLayer dataLayer = new DataLayer(dataProvider, 50, 20);
			RowHeaderLayer rowHeaderLayer = new RowHeaderLayer(dataLayer, bodyLayer, bodyLayer.getSelectionLayer());
			setUnderlyingLayer(rowHeaderLayer);
		}
	}

	/**
	 * Object representation of a row in the table
	 */
	public class Person {
		private int id;
		private String name;
		private Date birthDate;

		public Person(int id, String name, Date birthDate) {
			this.id = id; this.name = name;	this.birthDate = birthDate;
		}

		public int getId() {return id;}
		public String getName() {return name;}
		public Date getBirthDate() {return birthDate;}
	}
}