ว ฒนพงศ ส ทธภ กด Java Programming ( )

Transcription

1 ว ฒนพงศ ส ทธภ กด Java Programming ( )

2 Basic GUI - Frame(new Windows) - Component - popup - addcomponentlistener - addmouselistener - Eclipse plugin for gui(windows Builder)

3 import javax.swing.jframe; public class BasicFrame { public static void main(string[] args) { JFrame frame = new JFrame(); frame.setbounds(0, 0, 450, 300); 0,0,450,300 ค ออะไร frame.setdefaultcloseoperation(jframe.exit_on_close); frame.setvisible(true); ม ไว ท ำอะไร

4 Frame Window Button and Label FileDialog

5 //get screensize Toolkit tk = Toolkit.getDefaultToolkit(); int width = tk.getscreensize().width; int height = tk.getscreensize().height; //set bound frmcomponent.setbounds(0, 0, width, height); //maximize screen frmcomponent.setextendedstate( frmcomponent.getextendedstate() JFrame.MAXIMIZED_BOTH );

6 frmcomponent.seticonimage( new ImageIcon("img/ict.png").getImage() ); /****************************************************************************** Jframe frmcomponent = new Jframe(); ImageIcon imgicon = new ImageIcon("img/ict.png"); Image img = Imgicon.getImage(); frmcomponent.seticonimage(img ); ******************************************************************************/

7 import java.awt.dimension; import java.awt.toolkit; import javax.swing.jframe; import javax.swing.joptionpane; public class Popup extends JFrame { public Popup() { setdefaultcloseoperation(jframe.exit_on_close); setsize(500, 500); setvisible(true); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int w = screensize.width; int h = screensize.height; int x = ( w- getcontentpane().getwidth() )/2; int y = ( h- getcontentpane().getheight() )/ 2; setlocation(x, y); //setlocationrelativeto(null); JOptionPane.showMessageDialog(this, "INFORMATION", "MESSAGE", JOptionPane.INFORMATION_MESSAGE); JOptionPane.showMessageDialog(this, "WARNING", "MESSAGE", JOptionPane.WARNING_MESSAGE); JOptionPane.showMessageDialog(this, "ERROR", "MESSAGE", JOptionPane.ERROR_MESSAGE); public static void main(string[] args) { new Popup();

8 import javax.swing.jframe; import public class ConfirmPopup { public static void main(string[] args) { int replaced = JOptionPane.showConfirmDialog(null, "Please selected?"); String result = "?"; switch (replaced) { case JOptionPane.CANCEL_OPTION: result = "Canceled"; break; case JOptionPane.CLOSED_OPTION: result = "Closed"; break; case JOptionPane.NO_OPTION: result = "No"; break; case JOptionPane.YES_OPTION: result = "Yes"; break; default: ; JOptionPane.showMessageDialog(null, "you has pressed " +result); result = JOptionPane.showInputDialog(null); JOptionPane.showMessageDialog(null, result);

9 import java.awt.event.componentevent; import java.awt.event.componentlistener; import javax.swing.jframe; public class ExComponentListener { public static JFrame frame; public static void main(string[] args) { frame = new JFrame("Test Frame"); frame.setsize(500, 500); frame.setlocationrelativeto(null); frame.setdefaultcloseoperation(jframe.exit_on_close); frame.getcontentpane().setlayout(null); frame.setvisible(true); frame.addcomponentlistener(new ComponentListener() { public void componentshown(componentevent arg0) { public void componentresized(componentevent arg0) {frame.settitle("size "+ frame.getsize().width + "X"+frame.getSize().height ); public void componentmoved(componentevent arg0) { frame.settitle("position "+ frame.getx()+" " +frame.gety() ); public void componenthidden(componentevent arg0) { );

10 import java.awt.event.mouseevent; import java.awt.event.mouselistener; import javax.swing.jframe; public class ExMouseListener { public static JFrame frame; public static void main(string[] args) { frame = new JFrame("Test Frame"); frame.setsize(500, 500); frame.setlocationrelativeto(null); frame.setdefaultcloseoperation(jframe.exit_on_close); frame.getcontentpane().setlayout(null); frame.setvisible(true); frame.addmouselistener(new MouseListener() { public void mousereleased(mouseevent arg0) { frame.settitle("mouse Release"); public void mousepressed(mouseevent arg0) { frame.settitle("mouse Press"); public void mouseexited(mouseevent arg0) { frame.settitle("mouse Exit"); public void mouseentered(mouseevent arg0) { frame.settitle("mouse Enter"); public void mouseclicked(mouseevent arg0) { frame.settitle("mouse Click"); );