- UsbView added

git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@148 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c

java/src/ch/ntb/usb/usbView/UsbView.java

@@ -0,0 +1,213 @@
+package ch.ntb.usb.usbView;
+
+import java.awt.BorderLayout;
+import java.awt.Event;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyEvent;
+
+import javax.swing.JFrame;
+import javax.swing.JMenu;
+import javax.swing.JMenuBar;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JSplitPane;
+import javax.swing.JTextArea;
+import javax.swing.JTree;
+import javax.swing.KeyStroke;
+
+import ch.ntb.usb.LibusbWin;
+import ch.ntb.usb.Usb_Bus;
+
+public class UsbView extends JFrame {
+
+	private static final int NOF_COLUMS = 20;
+	private static final int APP_WIDTH = 600, APP_HIGHT = 800;
+
+	private JPanel jContentPane = null;
+	private JMenuBar jJMenuBar = null;
+	private JMenu commandsMenu = null;
+	private JMenuItem exitMenuItem = null;
+	private JMenuItem updateMenuItem = null;
+	private JTree usbTree = null;
+	private JSplitPane jSplitPane = null;
+
+	private JTextArea jPropertiesArea = null;
+
+	/**
+	 * This is the default constructor
+	 */
+	public UsbView() {
+		super();
+		initialize();
+	}
+
+	/**
+	 * This method initializes this
+	 * 
+	 * @return void
+	 */
+	private void initialize() {
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setJMenuBar(getJJMenuBar());
+		this.setSize(APP_WIDTH, APP_HIGHT);
+		this.setContentPane(getJContentPane());
+		this.setTitle("USB View");
+		this.addWindowListener(new java.awt.event.WindowAdapter() {
+			public void windowClosing(java.awt.event.WindowEvent e) {
+				System.exit(0);
+			}
+		});
+	}
+
+	/**
+	 * This method initializes jContentPane
+	 * 
+	 * @return javax.swing.JPanel
+	 */
+	private JPanel getJContentPane() {
+		if (jContentPane == null) {
+			jContentPane = new JPanel();
+			jContentPane.setLayout(new BorderLayout());
+			jContentPane.add(getJSplitPane(), java.awt.BorderLayout.CENTER);
+		}
+		return jContentPane;
+	}
+
+	/**
+	 * This method initializes jJMenuBar
+	 * 
+	 * @return javax.swing.JMenuBar
+	 */
+	private JMenuBar getJJMenuBar() {
+		if (jJMenuBar == null) {
+			jJMenuBar = new JMenuBar();
+			jJMenuBar.add(getFileMenu());
+		}
+		return jJMenuBar;
+	}
+
+	/**
+	 * This method initializes jMenu
+	 * 
+	 * @return javax.swing.JMenu
+	 */
+	private JMenu getFileMenu() {
+		if (commandsMenu == null) {
+			commandsMenu = new JMenu();
+			commandsMenu.setText("Commands");
+			commandsMenu.add(getSaveMenuItem());
+			commandsMenu.add(getExitMenuItem());
+		}
+		return commandsMenu;
+	}
+
+	/**
+	 * This method initializes jMenuItem
+	 * 
+	 * @return javax.swing.JMenuItem
+	 */
+	private JMenuItem getExitMenuItem() {
+		if (exitMenuItem == null) {
+			exitMenuItem = new JMenuItem();
+			exitMenuItem.setText("Exit");
+			exitMenuItem.addActionListener(new ActionListener() {
+				public void actionPerformed(ActionEvent e) {
+					System.exit(0);
+				}
+			});
+		}
+		return exitMenuItem;
+	}
+
+	/**
+	 * This method initializes jMenuItem
+	 * 
+	 * @return javax.swing.JMenuItem
+	 */
+	private JMenuItem getSaveMenuItem() {
+		if (updateMenuItem == null) {
+			updateMenuItem = new JMenuItem();
+			updateMenuItem.setText("Update");
+			updateMenuItem.setAccelerator(KeyStroke.getKeyStroke(
+					KeyEvent.VK_F5, 0, true));
+			updateMenuItem
+					.addActionListener(new java.awt.event.ActionListener() {
+						public void actionPerformed(java.awt.event.ActionEvent e) {
+							// open bus
+							LibusbWin.usb_init();
+							LibusbWin.usb_find_busses();
+							LibusbWin.usb_find_devices();
+
+							Usb_Bus bus = LibusbWin.usb_get_busses();
+							if (bus != null) {
+								UsbTreeModel treeModel = new UsbTreeModel(bus,
+										jPropertiesArea);
+								usbTree.setModel(treeModel);
+								usbTree.addTreeSelectionListener(treeModel);
+							}
+						}
+					});
+		}
+		return updateMenuItem;
+	}
+
+	/**
+	 * This method initializes usbTree
+	 * 
+	 * @return javax.swing.JTree
+	 */
+	private JTree getUsbTree() {
+		if (usbTree == null) {
+			// open bus
+			LibusbWin.usb_init();
+			LibusbWin.usb_find_busses();
+			LibusbWin.usb_find_devices();
+
+			Usb_Bus bus = LibusbWin.usb_get_busses();
+
+			UsbTreeModel treeModel = new UsbTreeModel(bus, jPropertiesArea);
+			usbTree = new JTree(treeModel);
+			usbTree.addTreeSelectionListener(treeModel);
+		}
+		return usbTree;
+	}
+
+	/**
+	 * This method initializes jSplitPane
+	 * 
+	 * @return javax.swing.JSplitPane
+	 */
+	private JSplitPane getJSplitPane() {
+		if (jSplitPane == null) {
+			jSplitPane = new JSplitPane();
+			jSplitPane.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
+			jSplitPane.setContinuousLayout(true);
+			jSplitPane.setDividerLocation(APP_HIGHT / 2);
+			jSplitPane.setBottomComponent(getJPropertiesArea());
+			jSplitPane.setTopComponent(getUsbTree());
+		}
+		return jSplitPane;
+	}
+
+	/**
+	 * This method initializes jPropertiesArea
+	 * 
+	 * @return javax.swing.JTextArea
+	 */
+	private JTextArea getJPropertiesArea() {
+		if (jPropertiesArea == null) {
+			jPropertiesArea = new JTextArea();
+		}
+		return jPropertiesArea;
+	}
+
+	/**
+	 * Launches this application
+	 */
+	public static void main(String[] args) {
+		UsbView application = new UsbView();
+		application.setVisible(true);
+	}
+
+}