package org.okou.lippen.network.tool.ui.field;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.InputMethodListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.Serializable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.Border;
import javax.swing.event.CaretListener;
import javax.swing.event.DocumentListener;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import javax.swing.text.PlainDocument;
/**
* IPV4地址输入框
*/
public class IPV4Field extends JTextField implements Serializable {
private static final Border EMPTY_BORDER = BorderFactory
.createEmptyBorder();
private static final long serialVersionUID = -2754807884601930339L;
private Dot[] dots;
private JIPV4Field[] ipFields;
private KeyAdapter KeyListener = new IPKeyAdapter();
public IPV4Field() {
this(null);
}
public IPV4Field(String ipAddress) {
setLayout(new GridLayout(1, 4, 0, 0));
setFocusable(false);
createIPFields();
setIpAddress(ipAddress);
}
@Override
public void addFocusListener(FocusListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.addFocusListener(listener);
}
}
}
@Override
public void removeFocusListener(FocusListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.removeFocusListener(listener);
}
}
}
@Override
public void addInputMethodListener(InputMethodListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.addInputMethodListener(listener);
}
}
}
@Override
public void removeInputMethodListener(InputMethodListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.removeInputMethodListener(listener);
}
}
}
@Override
public void addCaretListener(CaretListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.addCaretListener(listener);
}
}
}
@Override
public void removeCaretListener(CaretListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.removeCaretListener(listener);
}
}
}
public void addDocumentListener(DocumentListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.getDocument().addDocumentListener(listener);
}
}
}
public void removeDocumentListener(DocumentListener listener) {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.getDocument().removeDocumentListener(listener);
}
}
}
/**
* 是否输入完整。<br>
* 如果有一个输入域为空，则认为没有输入完整
*/
public boolean isInputAll() {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
if (field.getText() == null || field.getText().isEmpty()) {
return false;
}
}
}
return true;
}
private void createIPFields() {
updatePrefersize();
this.ipFields = new JIPV4Field[4];
this.dots = new Dot[3];
JPanel[] fieldPanes = new JPanel[4];
for (int i = 0; i < 4; i++) {
this.ipFields[i] = new JIPV4Field();
fieldPanes[i] = new JPanel();
this.ipFields[i].addKeyListener(this.KeyListener);
fieldPanes[i].setOpaque(false);
fieldPanes[i].setLayout(new BorderLayout());
fieldPanes[i].add(this.ipFields[i], "Center");
if (i != 3) {
fieldPanes[i].add(dots[i] = new Dot(), "East");
}
add(fieldPanes[i]);
}
for (int i = 0; i < 4; i++) {
if (i == 0) {
this.ipFields[i]
.addPropertyChangeListener(new KeyPressListener(null,
this.ipFields[(i + 1)]));
} else if (i == 3) {
this.ipFields[i]
.addPropertyChangeListener(new KeyPressListener(
this.ipFields[(i - 1)], null));
} else {
this.ipFields[i]
.addPropertyChangeListener(new KeyPressListener(
this.ipFields[(i - 1)], this.ipFields[(i + 1)]));
}
}
}
protected void updatePrefersize() {
Dimension size = new Dimension(80, getFont().getSize() * 2);
size.width = getFont().getSize() * 11;
setPreferredSize(size);
}
public JTextField[] getFieldComponents() {
return this.ipFields;
}
@Override
public void requestFocus() {
if (ipFields != null) {
ipFields[0].requestFocus();
}
}
public String getIpAddress() {
StringBuilder ip = new StringBuilder();
int emptyCount = 0;
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
String str = field.getText();
if (str.isEmpty()) {
emptyCount++;
}
ip.append('.');
ip.append(str);
}
ip.deleteCharAt(0);
}
return emptyCount == 4 ? "" : ip.toString();
}
@Override
public String getText() {
return getIpAddress();
}
@Override
public void setCaretColor(Color color) {
super.setCaretColor(color);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setCaretColor(color);
}
}
}
@Override
public void setDisabledTextColor(Color color) {
super.setDisabledTextColor(color);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setDisabledTextColor(color);
if (field.isEnabled())
continue;
field.repaint();
}
}
if ((this.dots != null) && (!isEnabled())) {
for (Dot dot : this.dots) {
dot.setForeground(color);
}
}
}
@Override
public void setEditable(boolean isEditable) {
super.setEditable(isEditable);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setEditable(isEditable);
}
}
}
@Override
public void setEnabled(boolean isEnable) {
super.setEnabled(isEnable);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setEnabled(isEnable);
}
}
if (this.dots != null) {
for (Dot dot : this.dots) {
dot.setForeground(isEnable ? getForeground()
: getDisabledTextColor());
}
}
}
@Override
public void setFont(Font font) {
super.setFont(font);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setFont(font);
}
}
/*
* if (this.dots != null) { for (Dot dot : this.dots) {
* dot.setFont(font); } }
*/
}
@Override
public void setForeground(Color color) {
super.setForeground(color);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setForeground(color);
}
}
if ((this.dots != null) && (isEnabled())) {
for (Dot dot : this.dots) {
dot.setForeground(color);
}
}
}
public void setIpAddress(String ipAddress) {
int index;
if ((ipAddress != null) && (!ipAddress.isEmpty())) {
if (!Pattern
.matches(
"((2[0-4]\\d|25[0-5]|[01]?\\d?\\d)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d?\\d)",
ipAddress)) {
throw new IllegalArgumentException("Invalid IP Address:"
+ ipAddress);
}
String[] ipBit = ipAddress.split("\\.");
index = 0;
for (JIPV4Field field : this.ipFields) {
field.setText(Integer.parseInt(ipBit[(index++)]) + "");
}
} else {
for (JIPV4Field field : this.ipFields) {
field.setText("");
}
}
}
/**
* 已整数形式设置IP地址
*
* @param ip
*/
public void setIpValue(int ip) {
setIpAddress(toIPString(ip));
}
/**
* 获取IP地址的整数
*
* @return
*/
public int getIPValue() {
int ip = 0;
ip = (ip << 8) | ipFields[0].getIntValue();
ip = (ip << 8) | ipFields[1].getIntValue();
ip = (ip << 8) | ipFields[2].getIntValue();
ip = (ip << 8) | ipFields[3].getIntValue();
return ip;
}
/**
* 清空IP地址
*/
public void clearIPAddress() {
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setText("");
}
}
}
public static String toIPString(int ip) {
return ((ip >> 24) & 0xFF) + "." + ((ip >> 16) & 0xFF) + "."
+ ((ip >> 8) & 0xFF) + "." + ((ip >> 0) & 0xFF);
}
@Override
public void setSelectedTextColor(Color color) {
super.setSelectedTextColor(color);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setSelectedTextColor(color);
}
}
}
@Override
public void setSelectionColor(Color color) {
super.setSelectionColor(color);
if (this.ipFields != null) {
for (JIPV4Field field : this.ipFields) {
field.setSelectionColor(color);
}
}
}
@Override
public void setText(String text) {
setIpAddress(text);
}
@Override
public void updateUI() {
Component[] children = getComponents();
for (Component child : children) {
remove(child);
}
super.updateUI();
for (Component child : children) {
add(child);
}
if (getCaret() != null) {
getCaret().deinstall(this);
}
}
private class Dot extends JLabel {
private static final long serialVersionUID = -2704811830155290868L;
public Dot() {
super();
setText(".");
setOpaque(false);
setIconTextGap(0);
setFont(new Font(Font.DIALOG, Font.BOLD, 12));
setBorder(IPV4Field.EMPTY_BORDER);
setForeground(IPV4Field.this.getForeground());
setEnabled(IPV4Field.this.isEnabled());
setHorizontalAlignment(JLabel.CENTER);
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
setForeground(enabled ? IPV4Field.this.getForeground()
: IPV4Field.this.getDisabledTextColor());
}
@Override
public void updateUI() {
super.updateUI();
setFont(IPV4Field.this.getFont());
}
}
private class JIPV4Field extends JTextField implements ActionListener,
FocusListener, Serializable {
private static final long serialVersionUID = 1411564647463716520L;
private boolean selectAll;
public JIPV4Field() {
this.selectAll = true;
setHorizontalAlignment(0);
setBorder(IPV4Field.EMPTY_BORDER);
setOpaque(false);
setMargin(new Insets(0, 0, 0, 0));
setDocument(new IPBlockDocument(this));
setFont(IPV4Field.this.getFont());
setSelectionColor(IPV4Field.this.getSelectionColor());
setSelectedTextColor(IPV4Field.this.getSelectedTextColor());
setEditable(IPV4Field.this.isEditable());
setDisabledTextColor(IPV4Field.this.getDisabledTextColor());
setCaretColor(IPV4Field.this.getCaretColor());
setForeground(IPV4Field.this.getForeground());
setEnabled(IPV4Field.this.isEnabled());
addActionListener(this);
addFocusListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
transferFocus();
}
@Override
public void focusGained(FocusEvent e) {
if (this.selectAll) {
selectAll();
} else {
this.selectAll = true;
}
}
@Override
public void focusLost(FocusEvent e) {
}
public void unSelectAllWhenFocusGained() {
if (!isFocusOwner()) {
this.selectAll = false;
}
}
/**
* 获取值
*
* @return
*/
public int getIntValue() {
String value = this.getText();
if (value == null || value.isEmpty()) {
return 0;
}
return Integer.parseInt(value);
}
private class IPBlockDocument extends PlainDocument {
private static final long serialVersionUID = -2645957214215338331L;
private final Pattern INT_PATTERN = Pattern
.compile("0|([1-9]\\d*)?");
private int ipBlockInt;
private int length;
private Matcher matcher;
private int newLength;
private int oldLength;
private StringBuilder text = new StringBuilder();
private JTextField textField;
private IPBlockDocument(JTextField textField) {
this.textField = textField;
}
@Override
public void insertString(int offset, String input, AttributeSet a)
throws BadLocationException {
this.matcher = INT_PATTERN.matcher(input);
if (!this.matcher.matches()) {
return;
}
this.oldLength = getLength();
this.newLength = input.length();
this.length = (this.oldLength + this.newLength);
this.text.delete(0, this.text.length());// clear
this.text.append(getText(0, this.oldLength));// add old
this.text.insert(offset, input);// replace or add
if ((this.length > 3)) {
return;
}
this.ipBlockInt = (this.text.length() == 0 ? 0 : Integer
.parseInt(this.text.toString()));
if (this.ipBlockInt > 255) {
return;
}
super.insertString(offset, input, a);
if (this.length == 3) {
textField.firePropertyChange("Right", 0, 1);
}
if (this.text.length() == 2
&& Integer.parseInt(this.text.toString()) > 25) {
textField.firePropertyChange("Right", 0, 1);
}
}
}
}
private class KeyPressListener implements PropertyChangeListener {
private IPV4Field.JIPV4Field leftField;
private IPV4Field.JIPV4Field rightField;
public KeyPressListener(IPV4Field.JIPV4Field leftField,
IPV4Field.JIPV4Field rightField) {
this.leftField = leftField;
this.rightField = rightField;
}
public void propertyChange(PropertyChangeEvent evt) {
String name = evt.getPropertyName();
if ((name == "Left") && (this.leftField != null)) {
this.leftField.requestFocus();
} else if ((name == "Right") && (this.rightField != null)) {
this.rightField.requestFocus();
} else if ((name == "BackSpace") && (this.leftField != null)) {
this.leftField.unSelectAllWhenFocusGained();
this.leftField.requestFocus();
this.leftField.setCaretPosition(this.leftField.getText()
.length());
} else if ((name == "Delete") && (this.rightField != null)) {
this.rightField.unSelectAllWhenFocusGained();
this.rightField.requestFocus();
this.rightField.setCaretPosition(0);
}
}
}
class IPKeyAdapter extends KeyAdapter {
public void keyPressed(KeyEvent e) {
JTextComponent field = (JTextComponent) e.getComponent();
int keyCode = e.getKeyCode();
char keyChar = e.getKeyChar();
String text = field.getText();
String selText = field.getSelectedText();
int caretPos = field.getCaretPosition();
int textLength = text.length();
if ((keyCode == KeyEvent.VK_LEFT) && (caretPos == 0)
&& (selText == null)) {
field.firePropertyChange("Left", 0, 1);
} else if (((keyCode == KeyEvent.VK_RIGHT)
&& (caretPos == textLength) && (selText == null))
|| ((keyChar == '.') && (!text.isEmpty()) && (selText == null))) {
field.firePropertyChange("Right", 0, 1);
} else if ((keyCode == KeyEvent.VK_BACK_SPACE) && (caretPos == 0)
&& (selText == null)) {
field.firePropertyChange("BackSpace", 0, 1);
} else if ((keyCode == KeyEvent.VK_DELETE)
&& (caretPos == textLength) && (selText == null)) {
field.firePropertyChange("Delete", 0, 1);
} else if (keyCode == KeyEvent.VK_HOME) {
IPV4Field.this.ipFields[0].unSelectAllWhenFocusGained();
IPV4Field.this.ipFields[0].requestFocus();
IPV4Field.this.ipFields[0].setCaretPosition(0);
} else if (keyCode == KeyEvent.VK_END) {
int last = IPV4Field.this.ipFields.length - 1;
textLength = IPV4Field.this.ipFields[last].getText()
.length();
IPV4Field.this.ipFields[last]
.unSelectAllWhenFocusGained();
IPV4Field.this.ipFields[last].requestFocus();
IPV4Field.this.ipFields[last]
.setCaretPosition(textLength);
} else if ((keyCode == KeyEvent.VK_0 || keyCode == KeyEvent.VK_NUMPAD0) && (caretPos == 0 || (text != null && text.equals(selText)))) {
field.firePropertyChange("Right", 0, 1);
} else if (("0123456789".indexOf(keyChar) >= 0)) {
if (selText == null) {
int ipInt = (text.length() == 0 ? 0 : Integer
.parseInt(text));
if (ipInt > 25) {
field.firePropertyChange("Right", 0, 1);
}
} else {
if (field.getSelectionStart() == 2
&& field.getSelectionEnd() == 3) {
field.firePropertyChange("Right", 0, 1);
}
}
}
}
}
;
public static void main(String[] args) {
IPV4Field ipFiled = new IPV4Field();
ipFiled.setIpAddress("192.168.131.1");
//ipFiled.setIpValue(12345);
JPanel pl = new JPanel();
pl.add(ipFiled);
JFrame frame = new JFrame();
frame.add(pl);
frame.setSize(new Dimension(200, 100));
frame.setVisible(true);
}
}
