Plouj

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 JInternalFrameimplements 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);		}	}}