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Java by API/javax.swing.event/DocumentEvent - История изменений
2026-04-23T04:36:05Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing.event/DocumentEvent&diff=1484&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td>
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing.event/DocumentEvent&diff=1485&oldid=prev
Admin: 1 версия
2010-05-31T14:33:29Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== DocumentEvent.EventType.CHANGE ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
<br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import java.awt.event.KeyEvent;<br />
import java.awt.event.KeyListener;<br />
import javax.swing.InputVerifier;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
import javax.swing.JOptionPane;<br />
import javax.swing.JTextField;<br />
import javax.swing.event.DocumentEvent;<br />
import javax.swing.event.DocumentListener;<br />
import javax.swing.text.BadLocationException;<br />
import javax.swing.text.Document;<br />
import javax.swing.text.JTextComponent;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
JTextField nameTextField = new JTextField();<br />
frame.add(nameTextField, BorderLayout.NORTH);<br />
frame.add(new JTextField(), BorderLayout.SOUTH);<br />
DocumentListener documentListener = new DocumentListener() {<br />
public void changedUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void insertUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void removeUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
private void printIt(DocumentEvent documentEvent) {<br />
DocumentEvent.EventType type = documentEvent.getType();<br />
String typeString = null;<br />
if (type.equals(DocumentEvent.EventType.CHANGE)) {<br />
typeString = "Change";<br />
} else if (type.equals(DocumentEvent.EventType.INSERT)) {<br />
typeString = "Insert";<br />
} else if (type.equals(DocumentEvent.EventType.REMOVE)) {<br />
typeString = "Remove";<br />
}<br />
System.out.print("Type : " + typeString + " / ");<br />
Document source = documentEvent.getDocument();<br />
int length = source.getLength();<br />
try {<br />
System.out.println("Contents: " + source.getText(0, length));<br />
} catch (BadLocationException badLocationException) {<br />
System.out.println("Contents: Unknown");<br />
}<br />
}<br />
};<br />
nameTextField.getDocument().addDocumentListener(documentListener);<br />
<br />
frame.setSize(250, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== DocumentEvent.EventType.INSERT ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
<br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import java.awt.event.KeyEvent;<br />
import java.awt.event.KeyListener;<br />
import javax.swing.InputVerifier;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
import javax.swing.JOptionPane;<br />
import javax.swing.JTextField;<br />
import javax.swing.event.DocumentEvent;<br />
import javax.swing.event.DocumentListener;<br />
import javax.swing.text.BadLocationException;<br />
import javax.swing.text.Document;<br />
import javax.swing.text.JTextComponent;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
JTextField nameTextField = new JTextField();<br />
frame.add(nameTextField, BorderLayout.NORTH);<br />
frame.add(new JTextField(), BorderLayout.SOUTH);<br />
DocumentListener documentListener = new DocumentListener() {<br />
public void changedUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void insertUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void removeUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
private void printIt(DocumentEvent documentEvent) {<br />
DocumentEvent.EventType type = documentEvent.getType();<br />
String typeString = null;<br />
if (type.equals(DocumentEvent.EventType.CHANGE)) {<br />
typeString = "Change";<br />
} else if (type.equals(DocumentEvent.EventType.INSERT)) {<br />
typeString = "Insert";<br />
} else if (type.equals(DocumentEvent.EventType.REMOVE)) {<br />
typeString = "Remove";<br />
}<br />
System.out.print("Type : " + typeString + " / ");<br />
Document source = documentEvent.getDocument();<br />
int length = source.getLength();<br />
try {<br />
System.out.println("Contents: " + source.getText(0, length));<br />
} catch (BadLocationException badLocationException) {<br />
System.out.println("Contents: Unknown");<br />
}<br />
}<br />
};<br />
nameTextField.getDocument().addDocumentListener(documentListener);<br />
<br />
frame.setSize(250, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<br />
<!-- end source code --><br />
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== DocumentEvent.EventType.REMOVE ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import java.awt.event.KeyEvent;<br />
import java.awt.event.KeyListener;<br />
import javax.swing.InputVerifier;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
import javax.swing.JOptionPane;<br />
import javax.swing.JTextField;<br />
import javax.swing.event.DocumentEvent;<br />
import javax.swing.event.DocumentListener;<br />
import javax.swing.text.BadLocationException;<br />
import javax.swing.text.Document;<br />
import javax.swing.text.JTextComponent;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
JTextField nameTextField = new JTextField();<br />
frame.add(nameTextField, BorderLayout.NORTH);<br />
frame.add(new JTextField(), BorderLayout.SOUTH);<br />
DocumentListener documentListener = new DocumentListener() {<br />
public void changedUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void insertUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void removeUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
private void printIt(DocumentEvent documentEvent) {<br />
DocumentEvent.EventType type = documentEvent.getType();<br />
String typeString = null;<br />
if (type.equals(DocumentEvent.EventType.CHANGE)) {<br />
typeString = "Change";<br />
} else if (type.equals(DocumentEvent.EventType.INSERT)) {<br />
typeString = "Insert";<br />
} else if (type.equals(DocumentEvent.EventType.REMOVE)) {<br />
typeString = "Remove";<br />
}<br />
System.out.print("Type : " + typeString + " / ");<br />
Document source = documentEvent.getDocument();<br />
int length = source.getLength();<br />
try {<br />
System.out.println("Contents: " + source.getText(0, length));<br />
} catch (BadLocationException badLocationException) {<br />
System.out.println("Contents: Unknown");<br />
}<br />
}<br />
};<br />
nameTextField.getDocument().addDocumentListener(documentListener);<br />
<br />
frame.setSize(250, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== DocumentEvent: getDocument() ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import java.awt.event.KeyEvent;<br />
import java.awt.event.KeyListener;<br />
import javax.swing.InputVerifier;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
import javax.swing.JOptionPane;<br />
import javax.swing.JTextField;<br />
import javax.swing.event.DocumentEvent;<br />
import javax.swing.event.DocumentListener;<br />
import javax.swing.text.BadLocationException;<br />
import javax.swing.text.Document;<br />
import javax.swing.text.JTextComponent;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
JTextField nameTextField = new JTextField();<br />
frame.add(nameTextField, BorderLayout.NORTH);<br />
frame.add(new JTextField(), BorderLayout.SOUTH);<br />
DocumentListener documentListener = new DocumentListener() {<br />
public void changedUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void insertUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void removeUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
private void printIt(DocumentEvent documentEvent) {<br />
DocumentEvent.EventType type = documentEvent.getType();<br />
String typeString = null;<br />
if (type.equals(DocumentEvent.EventType.CHANGE)) {<br />
typeString = "Change";<br />
} else if (type.equals(DocumentEvent.EventType.INSERT)) {<br />
typeString = "Insert";<br />
} else if (type.equals(DocumentEvent.EventType.REMOVE)) {<br />
typeString = "Remove";<br />
}<br />
System.out.print("Type : " + typeString + " / ");<br />
Document source = documentEvent.getDocument();<br />
int length = source.getLength();<br />
try {<br />
System.out.println("Contents: " + source.getText(0, length));<br />
} catch (BadLocationException badLocationException) {<br />
System.out.println("Contents: Unknown");<br />
}<br />
}<br />
};<br />
nameTextField.getDocument().addDocumentListener(documentListener);<br />
<br />
frame.setSize(250, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
<br />
</source><br />
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<!-- end source code --><br />
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== DocumentEvent: getType() ==<br />
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<!-- start source code --><br />
<br />
<source lang="java"><br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import java.awt.event.KeyEvent;<br />
import java.awt.event.KeyListener;<br />
import javax.swing.InputVerifier;<br />
import javax.swing.JComponent;<br />
import javax.swing.JFrame;<br />
import javax.swing.JOptionPane;<br />
import javax.swing.JTextField;<br />
import javax.swing.event.DocumentEvent;<br />
import javax.swing.event.DocumentListener;<br />
import javax.swing.text.BadLocationException;<br />
import javax.swing.text.Document;<br />
import javax.swing.text.JTextComponent;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
JTextField nameTextField = new JTextField();<br />
frame.add(nameTextField, BorderLayout.NORTH);<br />
frame.add(new JTextField(), BorderLayout.SOUTH);<br />
DocumentListener documentListener = new DocumentListener() {<br />
public void changedUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void insertUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
public void removeUpdate(DocumentEvent documentEvent) {<br />
printIt(documentEvent);<br />
}<br />
private void printIt(DocumentEvent documentEvent) {<br />
DocumentEvent.EventType type = documentEvent.getType();<br />
String typeString = null;<br />
if (type.equals(DocumentEvent.EventType.CHANGE)) {<br />
typeString = "Change";<br />
} else if (type.equals(DocumentEvent.EventType.INSERT)) {<br />
typeString = "Insert";<br />
} else if (type.equals(DocumentEvent.EventType.REMOVE)) {<br />
typeString = "Remove";<br />
}<br />
System.out.print("Type : " + typeString + " / ");<br />
Document source = documentEvent.getDocument();<br />
int length = source.getLength();<br />
try {<br />
System.out.println("Contents: " + source.getText(0, length));<br />
} catch (BadLocationException badLocationException) {<br />
System.out.println("Contents: Unknown");<br />
}<br />
}<br />
};<br />
nameTextField.getDocument().addDocumentListener(documentListener);<br />
<br />
frame.setSize(250, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin