http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_by_API%2Fjava.beans%2FPropertyChangeEvent 2026-04-25T14:37:47Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_by_API/java.beans/PropertyChangeEvent&diff=1408&oldid=prev 2010-05-31T17:43:48Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://www.jexp.ru/index.php?title=Java_by_API/java.beans/PropertyChangeEvent&diff=1409&oldid=prev 2010-05-31T14:33:16Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== PropertyChangeEvent: getNewValue() ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> <br /> import java.awt.BorderLayout;<br /> import java.awt.Color;<br /> import java.awt.event.ActionEvent;<br /> import java.awt.event.ActionListener;<br /> import java.beans.PropertyChangeEvent;<br /> import java.beans.PropertyChangeListener;<br /> import java.util.Random;<br /> import javax.swing.JButton;<br /> import javax.swing.JFrame;<br /> public class MainClass {<br /> public static void main(String args[]) {<br /> JFrame frame = new JFrame(&quot;Button Sample&quot;);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> final JButton button1 = new JButton(&quot;Select Me&quot;);<br /> final JButton button2 = new JButton(&quot;No Select Me&quot;);<br /> final Random random = new Random();<br /> ActionListener actionListener = new ActionListener() {<br /> public void actionPerformed(ActionEvent actionEvent) {<br /> JButton button = (JButton) actionEvent.getSource();<br /> int red = random.nextInt(255);<br /> int green = random.nextInt(255);<br /> int blue = random.nextInt(255);<br /> button.setBackground(new Color(red, green, blue));<br /> }<br /> };<br /> PropertyChangeListener propertyChangeListener = new PropertyChangeListener() {<br /> public void propertyChange(PropertyChangeEvent propertyChangeEvent) {<br /> String property = propertyChangeEvent.getPropertyName();<br /> if (&quot;background&quot;.equals(property)) {<br /> button2.setBackground((Color) propertyChangeEvent.getNewValue());<br /> }<br /> }<br /> };<br /> button1.addActionListener(actionListener);<br /> button1.addPropertyChangeListener(propertyChangeListener);<br /> button2.addActionListener(actionListener);<br /> frame.add(button1, BorderLayout.NORTH);<br /> frame.add(button2, BorderLayout.SOUTH);<br /> frame.setSize(300, 100);<br /> frame.setVisible(true);<br /> }<br /> }<br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;<br /> <br /> <br /> <br /> <br /> <br /> == PropertyChangeEvent: getPropertyName() ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> import java.awt.BorderLayout;<br /> import java.awt.Color;<br /> import java.awt.event.ActionEvent;<br /> import java.awt.event.ActionListener;<br /> import java.beans.PropertyChangeEvent;<br /> import java.beans.PropertyChangeListener;<br /> import java.util.Random;<br /> import javax.swing.JButton;<br /> import javax.swing.JFrame;<br /> public class MainClass {<br /> public static void main(String args[]) {<br /> JFrame frame = new JFrame(&quot;Button Sample&quot;);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> final JButton button1 = new JButton(&quot;Select Me&quot;);<br /> final JButton button2 = new JButton(&quot;No Select Me&quot;);<br /> final Random random = new Random();<br /> ActionListener actionListener = new ActionListener() {<br /> public void actionPerformed(ActionEvent actionEvent) {<br /> JButton button = (JButton) actionEvent.getSource();<br /> int red = random.nextInt(255);<br /> int green = random.nextInt(255);<br /> int blue = random.nextInt(255);<br /> button.setBackground(new Color(red, green, blue));<br /> }<br /> };<br /> PropertyChangeListener propertyChangeListener = new PropertyChangeListener() {<br /> public void propertyChange(PropertyChangeEvent propertyChangeEvent) {<br /> String property = propertyChangeEvent.getPropertyName();<br /> if (&quot;background&quot;.equals(property)) {<br /> button2.setBackground((Color) propertyChangeEvent.getNewValue());<br /> }<br /> }<br /> };<br /> button1.addActionListener(actionListener);<br /> button1.addPropertyChangeListener(propertyChangeListener);<br /> button2.addActionListener(actionListener);<br /> frame.add(button1, BorderLayout.NORTH);<br /> frame.add(button2, BorderLayout.SOUTH);<br /> frame.setSize(300, 100);<br /> frame.setVisible(true);<br /> }<br /> }<br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

Admin