package timeflow.app.ui;

import timeflow.data.db.*;
import timeflow.model.*;
import timeflow.views.*;

import javax.swing.*;
import javax.swing.table.*;

import java.awt.*;
import java.util.*;

public class ReorderFieldsPanel extends ModelPanel
{
	TableView table;
	
	public ReorderFieldsPanel(TFModel model)
	{
		super(model);
		setLayout(new BorderLayout());
		
		JPanel top=new JPanel();
		top.setLayout(new GridLayout(3,1));
		top.add(new JPanel());
		JLabel instructions=new JLabel("Drag and drop the column headers to reorder fields.");
		top.add(instructions);
		top.add(new JPanel());
		add(top, BorderLayout.NORTH);
		
		table=new TableView(model);
		add(table, BorderLayout.CENTER);
		table.setEditable(false);
		table.setReorderable(true);
		table.onscreen(true);
	}
	
	public void applyReordering()
	{
		Enumeration<TableColumn> columns=table.getTable().getTableHeader().getColumnModel().getColumns();
		ArrayList<Field> newOrder=new ArrayList<Field>();
		while (columns.hasMoreElements())
		{
			TableColumn col=columns.nextElement();
			String name=col.getHeaderValue().toString();
			newOrder.add(getModel().getDB().getField(name));
		}
		getModel().getDB().setNewFieldOrder(newOrder);
	}
	
	public void detachFromModel()
	{
		TFModel model=getModel();
		model.removeListener(table);
		model.removeListener(this);
	}
	
	public Dimension getPreferredSize()
	{
		Dimension d=super.getPreferredSize();
		return new Dimension(Math.max(700, d.width), 250);
	}

	@Override
	public void note(TFEvent e) {
		// TODO Auto-generated method stub
		
	}
}