Java by API/javax.swing.event/ListDataEvent
Содержание
ListDataEvent.CONTENTS_CHANGED
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
ListDataEvent: getIndex0()
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
ListDataEvent.getIndex1()
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
ListDataEvent: getType()
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
ListDataEvent.INTERVAL_ADDED
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
ListDataEvent.INTERVAL_REMOVED
<source lang="java">
/*Type: Interval Added , Index0: 0 , Index1: 0 [First, a, b, c, d] Type: Interval Added , Index0: 5 , Index1: 5 [First, a, b, c, d, Last] Type: Interval Added , Index0: 3 , Index1: 3 [First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 0 , Index1: 0 [New First, a, b, Middle, c, d, Last] Type: Contents Changed , Index0: 6 , Index1: 6 [New First, a, b, Middle, c, d, New Last] Type: Interval Added , Index0: 7 , Index1: 7 [New First, a, b, Middle, c, d, New Last, a] Type: Interval Added , Index0: 8 , Index1: 8 [New First, a, b, Middle, c, d, New Last, a, b] Type: Interval Added , Index0: 9 , Index1: 9 [New First, a, b, Middle, c, d, New Last, a, b, c] Type: Interval Added , Index0: 10 , Index1: 10 [New First, a, b, Middle, c, d, New Last, a, b, c, d] Type: Interval Removed , Index0: 0 , Index1: 10 []
* */
import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; public class MainClass {
static String labels[] = { "a", "b", "c", "d" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final DefaultListModel model = new DefaultListModel();
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.WEST);
ListDataListener listDataListener = new ListDataListener() {
public void contentsChanged(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalAdded(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
public void intervalRemoved(ListDataEvent listDataEvent) {
appendEvent(listDataEvent);
}
private void appendEvent(ListDataEvent listDataEvent) {
switch (listDataEvent.getType()) {
case ListDataEvent.CONTENTS_CHANGED:
System.out.println("Type: Contents Changed");
break;
case ListDataEvent.INTERVAL_ADDED:
System.out.println("Type: Interval Added");
break;
case ListDataEvent.INTERVAL_REMOVED:
System.out.println("Type: Interval Removed");
break;
}
System.out.println(", Index0: " + listDataEvent.getIndex0());
System.out.println(", Index1: " + listDataEvent.getIndex1());
DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
System.out.println(theModel);
}
};
model.addListDataListener(listDataListener);
model.add(0, "First");
model.addElement("Last");
int size = model.getSize();
model.insertElementAt("Middle", size / 2);
size = model.getSize();
if (size != 0)
model.set(0, "New First");
size = model.getSize();
if (size != 0)
model.setElementAt("New Last", size - 1);
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
model.clear();
size = model.getSize();
if (size != 0)
model.remove(0);
model.removeAllElements();
model.removeElement("Last");
size = model.getSize();
if (size != 0)
model.removeElementAt(size / 2);
size = model.getSize();
if (size != 0)
model.removeRange(0, size / 2);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
</source>
