Admin: 1 версия

2010-05-31T14:31:02Z

1 версия

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== Component.BOTTOM_ALIGNMENT ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.ruponent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame("Alignment Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String labels[] = { "--", "----", "--------", "------------" };
JPanel container = new JPanel();
BoxLayout layout = new BoxLayout(container, BoxLayout.X_AXIS);
container.setLayout(layout);
for (int i = 0; i < labels.length; i++) {
JButton button = new JButton(labels[i]);
button.setAlignmentX(Component.BOTTOM_ALIGNMENT);
container.add(button);
}
frame.add(container, BorderLayout.CENTER);
frame.setSize(300, 200);
frame.setVisible(true);
}
}

</source>



== Component.CENTER_ALIGNMENT ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.ruponent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame("Alignment Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String labels[] = { "--", "----", "--------", "------------" };
JPanel container = new JPanel();
BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
container.setLayout(layout);
for (int i = 0; i < labels.length; i++) {
JButton button = new JButton(labels[i]);
button.setAlignmentX(Component.CENTER_ALIGNMENT);
container.add(button);
}
frame.add(container, BorderLayout.CENTER);
frame.setSize(300, 200);
frame.setVisible(true);
}
}

</source>



== Component: enableEvents(long eventsToEnable) ==



<source lang="java">

// This example is from the book _Java AWT Reference_ by John Zukowski.
// Written by John Zukowski. Copyright (c) 1997 O"Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or
import java.awt.AWTEvent;
import java.awt.AWTEventMulticaster;
import java.awt.ruponent;
import java.awt.Frame;
import java.awt.ItemSelectable;
import java.awt.SystemColor;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseEvent;
class ItemEventComponent extends Component implements ItemSelectable {
boolean selected;
int i = 0;
ItemListener itemListener = null;
ItemEventComponent() {
enableEvents(AWTEvent.MOUSE_EVENT_MASK);
}
public Object[] getSelectedObjects() {
Object o[] = new Object[1];
o[0] = new Integer(i);
return o;
}
public void addItemListener(ItemListener l) {
itemListener = AWTEventMulticaster.add(itemListener, l);
}
public void removeItemListener(ItemListener l) {
itemListener = AWTEventMulticaster.remove(itemListener, l);
}
public void processEvent(AWTEvent e) {
if (e.getID() == MouseEvent.MOUSE_PRESSED) {
if (itemListener != null) {
selected = !selected;
i++;
itemListener.itemStateChanged(new ItemEvent(this, ItemEvent.ITEM_STATE_CHANGED,
getSelectedObjects(), (selected ? ItemEvent.SELECTED : ItemEvent.DESELECTED)));
}
}
}
}
public class MainClass extends Frame implements ItemListener {
MainClass() {
super("Listening In");
ItemEventComponent c = new ItemEventComponent();
add(c, "Center");
c.addItemListener(this);
c.setBackground(SystemColor.control);
setSize(200, 200);
}
public void itemStateChanged(ItemEvent e) {
Object[] o = e.getItemSelectable().getSelectedObjects();
Integer i = (Integer) o[0];
System.out.println(i);
}
public static void main(String args[]) {
MainClass f = new MainClass();
f.show();
}
}

</source>



== Component: getAccessibleContext() ==



<source lang="java">

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.accessibility.AccessibleContext;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame implements ActionListener {
JButton jb;
MainClass(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
AccessibleContext ac = getAccessibleContext();
ac.setAccessibleDescription("Accessibility Demo1 description.");
ac = getRootPane().getAccessibleContext();
ac.setAccessibleName("Root pane");
ac.setAccessibleDescription("Root pane description");
ac = getGlassPane().getAccessibleContext();
ac.setAccessibleName("Glass pane");
ac.setAccessibleDescription("Glass pane description");
ac = getLayeredPane().getAccessibleContext();
ac.setAccessibleName("Layered pane");
ac.setAccessibleDescription("Layered pane description");
ac = getContentPane().getAccessibleContext();
ac.setAccessibleName("Content pane");
ac.setAccessibleDescription("Content pane description");
JPanel p = new JPanel();
ac = p.getAccessibleContext();
ac.setAccessibleName("Panel");
ac.setAccessibleDescription("Panel description");
jb = new JButton("Press Me");
jb.addActionListener(this);
jb.setToolTipText("Press me for accessibility information.");
p.add(jb);
getContentPane().add(p);
setSize(200, 75);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
dumpInfo(getAccessibleContext());
}
void dumpInfo(AccessibleContext ac) {
System.out.println("Name = " + ac.getAccessibleName());
System.out.println("Description = " + ac.getAccessibleDescription());
int nChildren = ac.getAccessibleChildrenCount();
for (int i = 0; i < nChildren; i++)
dumpInfo(ac.getAccessibleChild(i).getAccessibleContext());
}
public static void main(String[] args) {
new MainClass("Accessibility Demo1");
}
}

</source>



== Component: getLocationOnScreen() ==



<source lang="java">

import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Main extends JPanel {
public void paintComponent(Graphics g) {
g.setColor(Color.black);
g.fillRect(0, 0, getWidth(), getHeight());
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setPreferredSize(new Dimension(300, 280));
Main ch = new Main();
frame.getContentPane().add(ch);
frame.setUndecorated(true);
MoveMouseListener mml = new MoveMouseListener(ch);
ch.addMouseListener(mml);
ch.addMouseMotionListener(mml);
frame.pack();
frame.setVisible(true);
}
}
class MoveMouseListener implements MouseListener, MouseMotionListener {
JComponent target;
Point start_drag;
Point start_loc;
public MoveMouseListener(JComponent target) {
this.target = target;
}
public static JFrame getFrame(Container target) {
if (target instanceof JFrame) {
return (JFrame) target;
}
return getFrame(target.getParent());
}
Point getScreenLocation(MouseEvent e) {
Point cursor = e.getPoint();
Point target_location = this.target.getLocationOnScreen();
return new Point((int) (target_location.getX() + cursor.getX()),
(int) (target_location.getY() + cursor.getY()));
}
public void mouseClicked(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
this.start_drag = this.getScreenLocation(e);
this.start_loc = this.getFrame(this.target).getLocation();
}
public void mouseReleased(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
Point current = this.getScreenLocation(e);
Point offset = new Point((int) current.getX() - (int) start_drag.getX(),
(int) current.getY() - (int) start_drag.getY());
JFrame frame = this.getFrame(target);
Point new_location = new Point(
(int) (this.start_loc.getX() + offset.getX()), (int) (this.start_loc
.getY() + offset.getY()));
frame.setLocation(new_location);
}
public void mouseMoved(MouseEvent e) {
}
}

</source>



== Component: isFocusable() ==



<source lang="java">

import java.awt.AWTKeyStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.KeyboardFocusManager;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame {
public MainClass() {
super("Focus Example");
setDefaultCloseOperation(EXIT_ON_CLOSE);
MyPanel mypanel = new MyPanel();
JButton button1 = new JButton("One");
JButton button2 = new JButton("Two");
JButton button3 = new JButton("Three");
JButton button4 = new JButton("Four");
JButton button5 = new MyButton("Five*");
JButton button6 = new MyButton("Six*");
JButton button7 = new JButton("Seven");
mypanel.add(button2);
mypanel.add(button3);
JInternalFrame frame1 = new JInternalFrame("Internal Frame 1", true, true, true, true);
frame1.setBackground(Color.lightGray);
frame1.getContentPane().setLayout(new GridLayout(2, 3));
frame1.setSize(300, 200);
frame1.getContentPane().add(button1);
frame1.getContentPane().add(mypanel);
frame1.getContentPane().add(button4);
frame1.getContentPane().add(button5);
frame1.getContentPane().add(button6);
frame1.getContentPane().add(button7);
JDesktopPane desktop = new JDesktopPane();
desktop.add(frame1, new Integer(1));
desktop.setOpaque(true);
// Now set up the user interface window.
Container contentPane = getContentPane();
contentPane.add(desktop, BorderLayout.CENTER);
setSize(new Dimension(400, 300));
frame1.setVisible(true);
setVisible(true);
}
public static void main(String[] args) {
new MainClass();
}
}
class MyButton extends JButton {
public MyButton(String s) {
super(s);
}
public boolean isFocusable() {
return false;
}
}
class MyPanel extends JPanel {
public MyPanel() {
super(true);
java.util.Set upKeys = new java.util.HashSet(1);
upKeys.add(AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_UP, 0));
setFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, upKeys);
}
public boolean isFocusCycleRoot() {
return true;
}
}

</source>



== Component: isFocusCycleRoot ==



<source lang="java">

import java.awt.AWTKeyStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.KeyboardFocusManager;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame {
public MainClass() {
super("Focus Example");
setDefaultCloseOperation(EXIT_ON_CLOSE);
MyPanel mypanel = new MyPanel();
JButton button1 = new JButton("One");
JButton button2 = new JButton("Two");
JButton button3 = new JButton("Three");
JButton button4 = new JButton("Four");
JButton button5 = new MyButton("Five*");
JButton button6 = new MyButton("Six*");
JButton button7 = new JButton("Seven");
mypanel.add(button2);
mypanel.add(button3);
JInternalFrame frame1 = new JInternalFrame("Internal Frame 1", true, true, true, true);
frame1.setBackground(Color.lightGray);
frame1.getContentPane().setLayout(new GridLayout(2, 3));
frame1.setSize(300, 200);
frame1.getContentPane().add(button1);
frame1.getContentPane().add(mypanel);
frame1.getContentPane().add(button4);
frame1.getContentPane().add(button5);
frame1.getContentPane().add(button6);
frame1.getContentPane().add(button7);
JDesktopPane desktop = new JDesktopPane();
desktop.add(frame1, new Integer(1));
desktop.setOpaque(true);
// Now set up the user interface window.
Container contentPane = getContentPane();
contentPane.add(desktop, BorderLayout.CENTER);
setSize(new Dimension(400, 300));
frame1.setVisible(true);
setVisible(true);
}
public static void main(String[] args) {
new MainClass();
}
}
class MyButton extends JButton {
public MyButton(String s) {
super(s);
}
public boolean isFocusable() {
return false;
}
}
class MyPanel extends JPanel {
public MyPanel() {
super(true);
java.util.Set upKeys = new java.util.HashSet(1);
upKeys.add(AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_UP, 0));
setFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, upKeys);
}
public boolean isFocusCycleRoot() {
return true;
}
}

</source>



== Component.LEFT_ALIGNMENT ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.ruponent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame("Alignment Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String labels[] = { "--", "----", "--------", "------------" };
JPanel container = new JPanel();
BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
container.setLayout(layout);
for (int i = 0; i < labels.length; i++) {
JButton button = new JButton(labels[i]);
button.setAlignmentX(Component.LEFT_ALIGNMENT);
container.add(button);
}
frame.add(container, BorderLayout.CENTER);
frame.setSize(300, 200);
frame.setVisible(true);
}
}

</source>



== Component: requestFocusInWindow() ==



<source lang="java">

import java.awt.ruponent;
import java.awt.GridLayout;
import java.awt.KeyboardFocusManager;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JButton;
import javax.swing.JFrame;
public class MainClass {
public static void main(String args[]) {
JFrame frame = new JFrame("Focus Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ActionListener actionListener = new ActionFocusMover();
MouseListener mouseListener = new MouseEnterFocusMover();
frame.setLayout(new GridLayout(3, 3));
for (int i = 1; i < 10; i++) {
JButton button = new JButton(Integer.toString(i));
button.addActionListener(actionListener);
button.addMouseListener(mouseListener);
if ((i % 2) != 0) {
button.setFocusable(false);
}
frame.add(button);
}
frame.setSize(300, 200);
frame.setVisible(true);
}
}
class ActionFocusMover implements ActionListener {
public void actionPerformed(ActionEvent actionEvent) {
KeyboardFocusManager manager = KeyboardFocusManager
.getCurrentKeyboardFocusManager();
manager.focusNextComponent();
}
}
class MouseEnterFocusMover extends MouseAdapter {
public void mouseEntered(MouseEvent mouseEvent) {
Component component = mouseEvent.getComponent();
if (!component.hasFocus()) {
component.requestFocusInWindow();
}
}
}

</source>



== Component.RIGHT_ALIGNMENT ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.ruponent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame("Alignment Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String labels[] = { "--", "----", "--------", "------------" };
JPanel container = new JPanel();
BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
container.setLayout(layout);
for (int i = 0; i < labels.length; i++) {
JButton button = new JButton(labels[i]);
button.setAlignmentX(Component.RIGHT_ALIGNMENT);
container.add(button);
}
frame.add(container, BorderLayout.CENTER);
frame.setSize(300, 200);
frame.setVisible(true);
}
}

</source>



== Component: setBounds(int x,int y,int width,int height) ==



<source lang="java">

import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
public class MainClass extends JPanel {
public MainClass() {
JRadioButton radMarriedYes = new JRadioButton("Yes?", true);
JRadioButton radMarriedNo = new JRadioButton("No?", false);
JRadioButton radGolfYes = new JRadioButton("Yes?", false);
JRadioButton radGolfNo = new JRadioButton("No?", true);
ButtonGroup radioGroup1 = new ButtonGroup();
ButtonGroup radioGroup2 = new ButtonGroup();
setLayout(null);
add(radMarriedYes);
add(radMarriedNo);
add(radGolfYes);
add(radGolfNo);
radioGroup1.add(radMarriedYes);
radioGroup1.add(radMarriedNo);
radioGroup2.add(radGolfYes);
radioGroup2.add(radGolfNo);
radMarriedYes.setBounds(30, 50, 50, 20);
radMarriedNo.setBounds(30, 80, 50, 20);
radGolfYes.setBounds(150, 50, 50, 20);
radGolfNo.setBounds(150, 80, 50, 20);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.getContentPane().add(new MainClass());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(200, 200);
frame.setVisible(true);
}
}

</source>



== Component: setComponentOrientation(ComponentOrientation o) ==



<source lang="java">

import java.awt.ruponent;
import java.awt.ruponentOrientation;
import java.awt.Container;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JMenu;
public class Main extends JFrame {
public Main() {
JComboBox itemsComboBox = new JComboBox(new String[]{ "A", "L", "M" });
itemsComboBox.setEditable(true);
itemsComboBox.setMaximumRowCount(3);
this.getContentPane().add(itemsComboBox);
itemsComboBox.setVisible(true);
applyOrientation(this, ComponentOrientation.RIGHT_TO_LEFT);
this.validate();
this.repaint();
}
public static void main(String[] args) {
JFrame frame = new Main();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
private void applyOrientation(Component c, ComponentOrientation o) {
c.setComponentOrientation(o);
if (c instanceof JMenu) {
JMenu menu = (JMenu) c;
int ncomponents = menu.getMenuComponentCount();
for (int i = 0; i < ncomponents; ++i) {
applyOrientation(menu.getMenuComponent(i), o);
}
} else if (c instanceof Container) {
Container container = (Container) c;
int ncomponents = container.getComponentCount();
for (int i = 0; i < ncomponents; ++i) {
applyOrientation(container.getComponent(i), o);
}
}
}
}

</source>



== Component: setLocation(int x, int y) ==



<source lang="java">

/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
/**
* Internal Frames Demo
*
* @version $Id: JIFrameDemo.java,v 1.4 2003/07/15 01:46:47 ian Exp $
*/
public class Main {
/* Main View */
public static void main(String[] a) {
final JFrame jf = new JFrame("JIFrameDemo Main Window");
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
screenSize.width -= 42;
screenSize.height -= 42;
jf.setSize(screenSize);
jf.setLocation(20, 20);
JMenuBar mb = new JMenuBar();
jf.setJMenuBar(mb);
JMenu fm = new JMenu("File");
mb.add(fm);
JMenuItem mi;
fm.add(mi = new JMenuItem("Exit"));
mi.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
JDesktopPane dtp = new JDesktopPane();
//dtp.setBackground(Color.GREEN);
jf.setContentPane(dtp);
JInternalFrame mboxFrame = new JInternalFrame("Mail Reader", true,
true, true, true);
JLabel reader = new JLabel("Mail Reader Would Be Here");
mboxFrame.setContentPane(reader);
mboxFrame.setSize(400, 300);
mboxFrame.setLocation(50, 50);
mboxFrame.setVisible(true);
dtp.add(mboxFrame);
JInternalFrame compFrame = new JInternalFrame("Compose Mail", true,
true, true, true);
JLabel composer = new JLabel("Mail Compose Would Be Here");
compFrame.setContentPane(composer);
compFrame.setSize(300, 200);
compFrame.setLocation(200, 200);
compFrame.setVisible(true);
dtp.add(compFrame);
JInternalFrame listFrame = new JInternalFrame("Users", true, true,
true, true);
JLabel list = new JLabel("List of Users Would Be Here");
listFrame.setContentPane(list);
listFrame.setLocation(400, 400);
listFrame.setSize(500, 200);
listFrame.setVisible(true);
dtp.add(listFrame);
jf.setVisible(true);
jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
jf.setVisible(false);
jf.dispose();
System.exit(0);
}
});
}
}

</source>



== Component: setSize(int width, int height) ==



<source lang="java">

/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
/**
* Internal Frames Demo
*
* @version $Id: JIFrameDemo.java,v 1.4 2003/07/15 01:46:47 ian Exp $
*/
public class Main {
/* Main View */
public static void main(String[] a) {
final JFrame jf = new JFrame("JIFrameDemo Main Window");
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
screenSize.width -= 42;
screenSize.height -= 42;
jf.setSize(screenSize);
jf.setLocation(20, 20);
JMenuBar mb = new JMenuBar();
jf.setJMenuBar(mb);
JMenu fm = new JMenu("File");
mb.add(fm);
JMenuItem mi;
fm.add(mi = new JMenuItem("Exit"));
mi.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
JDesktopPane dtp = new JDesktopPane();
//dtp.setBackground(Color.GREEN);
jf.setContentPane(dtp);
JInternalFrame mboxFrame = new JInternalFrame("Mail Reader", true,
true, true, true);
JLabel reader = new JLabel("Mail Reader Would Be Here");
mboxFrame.setContentPane(reader);
mboxFrame.setSize(400, 300);
mboxFrame.setLocation(50, 50);
mboxFrame.setVisible(true);
dtp.add(mboxFrame);
JInternalFrame compFrame = new JInternalFrame("Compose Mail", true,
true, true, true);
JLabel composer = new JLabel("Mail Compose Would Be Here");
compFrame.setContentPane(composer);
compFrame.setSize(300, 200);
compFrame.setLocation(200, 200);
compFrame.setVisible(true);
dtp.add(compFrame);
JInternalFrame listFrame = new JInternalFrame("Users", true, true,
true, true);
JLabel list = new JLabel("List of Users Would Be Here");
listFrame.setContentPane(list);
listFrame.setLocation(400, 400);
listFrame.setSize(500, 200);
listFrame.setVisible(true);
dtp.add(listFrame);
jf.setVisible(true);
jf.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
jf.setVisible(false);
jf.dispose();
System.exit(0);
}
});
}
}

</source>



== Component.TOP_ALIGNMENT ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.ruponent;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass {
public static void main(String[] a) {
JFrame frame = new JFrame("Alignment Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
String labels[] = { "--", "----", "--------", "------------" };
JPanel container = new JPanel();
BoxLayout layout = new BoxLayout(container, BoxLayout.X_AXIS);
container.setLayout(layout);
for (int i = 0; i < labels.length; i++) {
JButton button = new JButton(labels[i]);
button.setAlignmentX(Component.TOP_ALIGNMENT);
container.add(button);
}
frame.add(container, BorderLayout.CENTER);
frame.setSize(300, 200);
frame.setVisible(true);
}
}

</source>

Java by API/java.awt/Component - История изменений

в 17:43, 31 мая 2010

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