import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.TableColumn;
import javax.swing.plaf.basic.BasicArrowButton;

import java.awt.event.*;
import java.awt.*;

import java.text.*;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;

public class PatioConfigUI extends JInternalFrame
implements ActionListener, ChangeListener, PropertyChangeListener {
	public static boolean debugging = true; // controls showing of debug messages

	static final int xOffset = 30, yOffset = 30;
	static final int xSize = 800, ySize = 600;

	private static int dragBaseX = 0;
	private static int dragBaseY = 0;

	static int position = 1; // tiling position periodic 1-8

	private PatioConfig config;

	// control panes
	public JPanel controls;
	private JPanel elementsPane;
	private JPanel currentElmntPane;
	private JPanel projectPane;

	private JPanel addRemovePane;
	private JPanel upDownPane;
	private JPanel totalPane;
	private JPanel materialsPane;
	private JPanel shapesPane;

	// pane titles
	private String elementsPaneTitle = "Elements";
	private String currentElmntPaneTitle = "Current Element";
	private String dimensionsPaneTitle = "Dimensions";
	private String materialsPaneTitle = "Materials";
	private String projectPaneTitle = "Project";
	private String totalPaneTitle = "Total";

	// other strings
	private String areaControlLbl = "area";
	private String positionControlLbl = "position";
	private String materialSelectionLbl = "material";
	private String shapeSelectionLbl = "material";
	private String totalLabel = "Total:";

	// project element table
	private final int tablePreferredColumnWidth = 90;
	private final int tablePreferredShapeColumnWidth = 120;
	private final int tablePreferredInclColumnWidth =40;
	private final int tableMaxColumnWidth = 80;
	private JTable tableModel;

	// add/remove element buttons
	private JButton addElementButton;
	private JButton removeElementButton;
	private String addButtonStr = "add";
	private String removeButtonStr = "remove";
	private String upButtonStr = "move up";
	private String downButtonStr = "move down";
	private JButton upElementButton;
	private JButton downElementButton;

	private JTable elementsTable;
	private JScrollPane tableScroller;

	// project pane widgets
	private JFormattedTextField totalCostField;
	private JSpinner scaleSelector;
	private SpinnerModel scaleModel = new SpinnerNumberModel(1.0, 0.25, 8.0, 0.5); 

	// input field formats
	private NumberFormat scaleFormat;
	private NumberFormat dimensionFormat;
	private NumberFormat totalCostFormat;
String[] columnNames = {"First Name",
                        "Last Name",
                        "Sport",
                        "# of Years",
                        "Vegetarian"};

Object[][] data = {
    {"Mary", "Campione",
     "Snowboarding", new Integer(5), new Boolean(false)},
    {"Alison", "Huml",
     "Rowing", new Integer(3), new Boolean(true)},
    {"Kathy", "Walrath",
     "Knitting", new Integer(2), new Boolean(false)},
    {"Sharon", "Zakhour",
     "Speed reading", new Integer(20), new Boolean(true)},
    {"Philip", "Milne",
     "Pool", new Integer(10), new Boolean(false)}
};


	/**
	 * PatioConfigUI constructor
	 */
	public PatioConfigUI(PatioConfig parent, String title) {
		super(title, true, true, true, true);
		config = parent;
		position %= 8;
		position++;

		//...Create the GUI and put it in the window...
		// use the default BorderLayout for the whole window
		setUpFormats();

		controls = setupControlsPane();
		add(controls, BorderLayout.LINE_END); // right

		// finish by setting size and location
		setSize( xSize, ySize);
		setLocation(xOffset*position, yOffset*position);
	}

	/**
	 * create and setup input formats
	 * these objects parse use input
	 */
	private void setUpFormats() {
		scaleFormat = NumberFormat.getNumberInstance();
		dimensionFormat = NumberFormat.getNumberInstance();
		totalCostFormat = NumberFormat.getCurrencyInstance();
	}


	/**
	 * setup the controls pane
	 */
	private JPanel setupControlsPane() {
		JPanel currentPane = new JPanel();
		currentPane.setLayout(new BoxLayout(currentPane,
					BoxLayout.Y_AXIS));

		elementsPane = setupElementsPane();
		currentPane.add(elementsPane);



		return currentPane;
	}

	/**
	 * setup the elements pane
	 */
	private JPanel setupElementsPane() {
		JPanel currentPane = new JPanel();

		currentPane.setBorder(BorderFactory.createTitledBorder(elementsPaneTitle));
		currentPane.setLayout(new GridBagLayout());

		// the gridbag constraints instance
		GridBagConstraints c = new GridBagConstraints();
		c.anchor = GridBagConstraints.FIRST_LINE_START;

		addElementButton = new JButton(addButtonStr);
		removeElementButton = new JButton(removeButtonStr);

		c.gridx=0;
		c.gridy=0;
		currentPane.add(addElementButton, c);
		
		c.gridx=1;
		c.gridy=0;
		currentPane.add(removeElementButton, c);

		tableScroller = setupElementsTable();

		c.gridx=0;
		c.gridy=1;
		c.weightx=1.0;
		c.weighty=1.0;
		c.fill=GridBagConstraints.BOTH;
		c.gridwidth=GridBagConstraints.REMAINDER;
		currentPane.add(tableScroller, c);
		c.weightx=0.0;
		c.weighty=0.0;
		c.gridwidth=1;
		c.fill=GridBagConstraints.NONE;
		
		// up/down buttons
		upElementButton = new JButton(downButtonStr);
		downElementButton = new JButton(upButtonStr);
		c.gridx=0;
		c.gridy=2;
		currentPane.add(upElementButton, c);

		c.gridx=0;
		c.gridy=3;
		currentPane.add(downElementButton, c);

		// using a formatted text field rather than a label makes this text
		// good for copying with the mouse
		totalCostField = new JFormattedTextField(totalCostFormat);
		// set to a temporary value
		totalCostField.setValue(1234560.993); // TODO make this automatically calculated!
		totalCostField.setColumns(10);
		totalCostField.setEditable(false); // make it uneditable

		c.gridx=2;
		c.gridy=2;
		currentPane.add(new JLabel(totalLabel), c);

		c.gridx=3;
		c.gridy=2;
		c.weighty=1.0;
		c.fill=GridBagConstraints.HORIZONTAL;
		c.gridwidth=GridBagConstraints.REMAINDER;
		currentPane.add(totalCostField, c);

		return currentPane;
	}

	/**
	 * setup the elements table
	 */
	private JScrollPane setupElementsTable() {
		TableColumn column;

		elementsTable = new JTable(data, columnNames); 
		elementsTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		//elementsTable.setPreferredScrollableViewportSize(new Dimension(240, 500));
		//elementsTable.setFillsViewportHeight(true); only in Java 1.6

		for (int i = 0; i < elementsTable.getColumnCount(); i++) {
			column = elementsTable.getColumnModel().getColumn(i);
			if (i == 0) {
				// set a different width for the first column
				column.setPreferredWidth(tablePreferredShapeColumnWidth);
			} else if (i == 4){
				// set a different width for the fifth column
				column.setPreferredWidth(tablePreferredInclColumnWidth);
			} else {
				column.setPreferredWidth(tablePreferredColumnWidth);
			}
		}

		JScrollPane currentPane = new JScrollPane(elementsTable);
		//currentPane.setPreferredSize(new Dimension(320, 100));

		return currentPane;
	}





	public void actionPerformed(ActionEvent e) {
	}

	/** Called when a field's "value" property changes. */
	public void propertyChange(PropertyChangeEvent e) {
	}

	public void stateChanged(ChangeEvent e) {
	}

	/**
	 * print a debug message if debugging is on (true)
	 * uses System.out.println()
	 */
	public static void printDebug(String s) {
		if (debugging) {
			System.out.println(s);
		}
	}
}