в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:19:49Z

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== ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
public class MainClass extends JPanel {
public MainClass() {
setLayout(new BorderLayout());
JPanel jp = new JPanel();
jp.setLayout(new GridLayout(20, 20));
int b = 0;
for (int i = 0; i < 20; i++) {
for (int j = 0; j < 20; j++) {
jp.add(new JButton("Button " + b));
++b;
}
}
// Add panel to a scroll pane.
int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
JScrollPane jsp = new JScrollPane(jp, v, h);
// Add scroll pane to the content pane.
add(jsp, BorderLayout.CENTER);
}
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>



== ScrollPaneConstants.LOWER_LEFT_CORNER ==



<source lang="java">

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
public class Main extends JFrame {
private JLabel label = new JLabel(new ImageIcon("largejexpLogo.gif"));
public Main() {
super("JScrollPane Demo");
JScrollPane scrollPane = new JScrollPane(label);
JLabel[] corners = new JLabel[4];
for (int i = 0; i < 4; i++) {
corners[i] = new JLabel();
corners[i].setBackground(Color.white);
corners[i].setOpaque(true);
}
JLabel rowheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle rect = g.getClipBounds();
for (int i = 50 - (rect.y % 50); i < rect.height; i += 50) {
g.drawLine(0, rect.y + i, 3, rect.y + i);
g.drawString("" + (rect.y + i), 6, rect.y + i + 3);
}
}
public Dimension getPreferredSize() {
return new Dimension(25, (int) label.getPreferredSize()
.getHeight());
}
};
rowheader.setBackground(Color.white);
rowheader.setOpaque(true);
JLabel columnheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle r = g.getClipBounds();
for (int i = 50 - (r.x % 50); i < r.width; i += 50) {
g.drawLine(r.x + i, 0, r.x + i, 3);
g.drawString("" + (r.x + i), r.x + i - 10, 16);
}
}
public Dimension getPreferredSize() {
return new Dimension((int) label.getPreferredSize().getWidth(),
25);
}
};
columnheader.setBackground(Color.white);
columnheader.setOpaque(true);
scrollPane.setRowHeaderView(rowheader);
scrollPane.setColumnHeaderView(columnheader);
scrollPane.setCorner(JScrollPane.LOWER_LEFT_CORNER, corners[0]);
scrollPane.setCorner(JScrollPane.LOWER_RIGHT_CORNER, corners[1]);
scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, corners[2]);
scrollPane.setCorner(JScrollPane.UPPER_RIGHT_CORNER, corners[3]);
getContentPane().add(scrollPane);
setSize(400, 300);
setVisible(true);
}
public static void main(String[] args) {
new Main();
}
}

</source>



== ScrollPaneConstants.LOWER_RIGHT_CORNER ==



<source lang="java">

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
public class Main extends JFrame {
private JLabel label = new JLabel(new ImageIcon("largejexpLogo.gif"));
public Main() {
super("JScrollPane Demo");
JScrollPane scrollPane = new JScrollPane(label);
JLabel[] corners = new JLabel[4];
for (int i = 0; i < 4; i++) {
corners[i] = new JLabel();
corners[i].setBackground(Color.white);
corners[i].setOpaque(true);
}
JLabel rowheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle rect = g.getClipBounds();
for (int i = 50 - (rect.y % 50); i < rect.height; i += 50) {
g.drawLine(0, rect.y + i, 3, rect.y + i);
g.drawString("" + (rect.y + i), 6, rect.y + i + 3);
}
}
public Dimension getPreferredSize() {
return new Dimension(25, (int) label.getPreferredSize()
.getHeight());
}
};
rowheader.setBackground(Color.white);
rowheader.setOpaque(true);
JLabel columnheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle r = g.getClipBounds();
for (int i = 50 - (r.x % 50); i < r.width; i += 50) {
g.drawLine(r.x + i, 0, r.x + i, 3);
g.drawString("" + (r.x + i), r.x + i - 10, 16);
}
}
public Dimension getPreferredSize() {
return new Dimension((int) label.getPreferredSize().getWidth(),
25);
}
};
columnheader.setBackground(Color.white);
columnheader.setOpaque(true);
scrollPane.setRowHeaderView(rowheader);
scrollPane.setColumnHeaderView(columnheader);
scrollPane.setCorner(JScrollPane.LOWER_LEFT_CORNER, corners[0]);
scrollPane.setCorner(JScrollPane.LOWER_RIGHT_CORNER, corners[1]);
scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, corners[2]);
scrollPane.setCorner(JScrollPane.UPPER_RIGHT_CORNER, corners[3]);
getContentPane().add(scrollPane);
setSize(400, 300);
setVisible(true);
}
public static void main(String[] args) {
new Main();
}
}

</source>



== ScrollPaneConstants.UPPER_LEFT_CORNER ==



<source lang="java">

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
public class Main extends JFrame {
private JLabel label = new JLabel(new ImageIcon("largejexpLogo.gif"));
public Main() {
super("JScrollPane Demo");
JScrollPane scrollPane = new JScrollPane(label);
JLabel[] corners = new JLabel[4];
for (int i = 0; i < 4; i++) {
corners[i] = new JLabel();
corners[i].setBackground(Color.white);
corners[i].setOpaque(true);
}
JLabel rowheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle rect = g.getClipBounds();
for (int i = 50 - (rect.y % 50); i < rect.height; i += 50) {
g.drawLine(0, rect.y + i, 3, rect.y + i);
g.drawString("" + (rect.y + i), 6, rect.y + i + 3);
}
}
public Dimension getPreferredSize() {
return new Dimension(25, (int) label.getPreferredSize()
.getHeight());
}
};
rowheader.setBackground(Color.white);
rowheader.setOpaque(true);
JLabel columnheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle r = g.getClipBounds();
for (int i = 50 - (r.x % 50); i < r.width; i += 50) {
g.drawLine(r.x + i, 0, r.x + i, 3);
g.drawString("" + (r.x + i), r.x + i - 10, 16);
}
}
public Dimension getPreferredSize() {
return new Dimension((int) label.getPreferredSize().getWidth(),
25);
}
};
columnheader.setBackground(Color.white);
columnheader.setOpaque(true);
scrollPane.setRowHeaderView(rowheader);
scrollPane.setColumnHeaderView(columnheader);
scrollPane.setCorner(JScrollPane.LOWER_LEFT_CORNER, corners[0]);
scrollPane.setCorner(JScrollPane.LOWER_RIGHT_CORNER, corners[1]);
scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, corners[2]);
scrollPane.setCorner(JScrollPane.UPPER_RIGHT_CORNER, corners[3]);
getContentPane().add(scrollPane);
setSize(400, 300);
setVisible(true);
}
public static void main(String[] args) {
new Main();
}
}

</source>



== ScrollPaneConstants.UPPER_RIGHT_CORNER ==



<source lang="java">

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
public class Main extends JFrame {
private JLabel label = new JLabel(new ImageIcon("largejexpLogo.gif"));
public Main() {
super("JScrollPane Demo");
JScrollPane scrollPane = new JScrollPane(label);
JLabel[] corners = new JLabel[4];
for (int i = 0; i < 4; i++) {
corners[i] = new JLabel();
corners[i].setBackground(Color.white);
corners[i].setOpaque(true);
}
JLabel rowheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle rect = g.getClipBounds();
for (int i = 50 - (rect.y % 50); i < rect.height; i += 50) {
g.drawLine(0, rect.y + i, 3, rect.y + i);
g.drawString("" + (rect.y + i), 6, rect.y + i + 3);
}
}
public Dimension getPreferredSize() {
return new Dimension(25, (int) label.getPreferredSize()
.getHeight());
}
};
rowheader.setBackground(Color.white);
rowheader.setOpaque(true);
JLabel columnheader = new JLabel() {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle r = g.getClipBounds();
for (int i = 50 - (r.x % 50); i < r.width; i += 50) {
g.drawLine(r.x + i, 0, r.x + i, 3);
g.drawString("" + (r.x + i), r.x + i - 10, 16);
}
}
public Dimension getPreferredSize() {
return new Dimension((int) label.getPreferredSize().getWidth(),
25);
}
};
columnheader.setBackground(Color.white);
columnheader.setOpaque(true);
scrollPane.setRowHeaderView(rowheader);
scrollPane.setColumnHeaderView(columnheader);
scrollPane.setCorner(JScrollPane.LOWER_LEFT_CORNER, corners[0]);
scrollPane.setCorner(JScrollPane.LOWER_RIGHT_CORNER, corners[1]);
scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, corners[2]);
scrollPane.setCorner(JScrollPane.UPPER_RIGHT_CORNER, corners[3]);
getContentPane().add(scrollPane);
setSize(400, 300);
setVisible(true);
}
public static void main(String[] args) {
new Main();
}
}

</source>



== ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.Container;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.WindowConstants;
public class Main extends JFrame {
JTextArea textArea;
public Main() {
super();
this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
Container contentPane = this.getContentPane();
textArea = new JTextArea();
JScrollPane pane = new JScrollPane(textArea, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
contentPane.add(pane, BorderLayout.CENTER);
}
public static void main(String[] args) {
JFrame f = new Main();
f.setSize(300, 200);
f.setVisible(true);
}
}

</source>



== ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
public class MainClass extends JPanel {
public MainClass() {
setLayout(new BorderLayout());
JPanel jp = new JPanel();
jp.setLayout(new GridLayout(20, 20));
int b = 0;
for (int i = 0; i < 20; i++) {
for (int j = 0; j < 20; j++) {
jp.add(new JButton("Button " + b));
++b;
}
}
// Add panel to a scroll pane.
int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
JScrollPane jsp = new JScrollPane(jp, v, h);
// Add scroll pane to the content pane.
add(jsp, BorderLayout.CENTER);
}
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>

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в 17:43, 31 мая 2010

Admin: 1 версия