import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.DefaultTableModel;


public class Gui extends JFrame
{
	/**
	 * 
	 */
	private static final long serialVersionUID=1L;
	JTable images;
	JButton execute;
	JButton close;
	
	public Gui()
	{
		super();
		this.setTitle("DepthMapExtractor");
		this.setVisible(true);
		this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		this.setSize(new Dimension(600,400));
		try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {}
		JPanel content = new JPanel(new BorderLayout());
		this.add(content);
		DefaultTableModel model = new DefaultTableModel();
		model.addColumn("filename");
		this.images = new JTable(model);
		JButton addBtn = new JButton("+");
		addBtn.addActionListener(new ActionListener(){
			@Override
			public void actionPerformed(ActionEvent arg0)
			{
				//TODO: AddFilesDialog
			}
		});
		JButton remBtn = new JButton("-");
		remBtn.addActionListener(new ActionListener(){
			@Override
			public void actionPerformed(ActionEvent arg0)
			{
				//TODO: Remove selected files from table
			}
		});
		JPanel tablePanel = new JPanel(new FlowLayout());
		tablePanel.add(new JScrollPane(images));
		JPanel tableButtons = new JPanel();
		tableButtons.setLayout(new BoxLayout(tableButtons,BoxLayout.Y_AXIS));
		tableButtons.add(addBtn);
		tableButtons.add(remBtn);
		tablePanel.add(tableButtons);
		content.add(tablePanel, BorderLayout.NORTH);
		
		execute = new JButton("Execute");
		execute.addActionListener(new ActionListener(){
			@Override
			public void actionPerformed(ActionEvent arg0)
			{
				//TODO: Actions
			}
		});
		close = new JButton("Close");
		close.addActionListener(new ActionListener(){
			@Override
			public void actionPerformed(ActionEvent arg0)
			{
				dispose();				
			}
		});
		
		JPanel buttons = new JPanel(new FlowLayout());
		buttons.add(close); buttons.add(execute);
		content.add(buttons,BorderLayout.SOUTH);
		this.pack();
	}
	
	public void executeExtraction()
	{
		DefaultTableModel model = (DefaultTableModel) images.getModel();
		for(int i=0; i<model.getRowCount(); i++)
		{
			@SuppressWarnings("unused")
			String filepath = (String) model.getValueAt(i, 0);
			//DepthMapExtractor dme = new DepthMapExtractor(filepath);
			//dme.extractDepthMap();
			//TODO: check checkboxes etc.
		}
	}
}