http://jexp.ru/index.php?action=history&feed=atom&title=Java_Tutorial%2FSwing%2FButtonGroup 2026-04-11T13:16:16Z История изменений этой страницы в вики MediaWiki 1.30.0 http://jexp.ru/index.php?title=Java_Tutorial/Swing/ButtonGroup&diff=3841&oldid=prev 2010-05-31T17:44:27Z

<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 17:44, 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://jexp.ru/index.php?title=Java_Tutorial/Swing/ButtonGroup&diff=3842&oldid=prev 2010-05-31T15:31:50Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== Finding the selected button in a ButtonGroup ==<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.GridLayout;<br /> import java.util.Enumeration;<br /> import javax.swing.AbstractButton;<br /> import javax.swing.BorderFactory;<br /> import javax.swing.ButtonGroup;<br /> import javax.swing.JCheckBox;<br /> import javax.swing.JCheckBoxMenuItem;<br /> import javax.swing.JFrame;<br /> import javax.swing.JPanel;<br /> import javax.swing.JRadioButton;<br /> import javax.swing.JRadioButtonMenuItem;<br /> import javax.swing.JToggleButton;<br /> import javax.swing.border.Border;<br /> public class FindingAButtonGroup {<br /> public static void main(String args[]) {<br /> JFrame frame = new JFrame(&quot;Button Group&quot;);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> JPanel panel = new JPanel(new GridLayout(0, 1));<br /> Border border = BorderFactory.createTitledBorder(&quot;Examples&quot;);<br /> panel.setBorder(border);<br /> ButtonGroup group = new ButtonGroup();<br /> AbstractButton abstract1 = new JToggleButton(&quot;Toggle Button&quot;);<br /> panel.add(abstract1);<br /> group.add(abstract1);<br /> AbstractButton abstract2 = new JRadioButton(&quot;Radio Button&quot;);<br /> panel.add(abstract2);<br /> group.add(abstract2);<br /> AbstractButton abstract3 = new JCheckBox(&quot;Check Box&quot;);<br /> panel.add(abstract3);<br /> group.add(abstract3);<br /> AbstractButton abstract4 = new JRadioButtonMenuItem(&quot;Radio Button Menu Item&quot;);<br /> panel.add(abstract4);<br /> group.add(abstract4);<br /> AbstractButton abstract5 = new JCheckBoxMenuItem(&quot;Check Box Menu Item&quot;);<br /> panel.add(abstract5);<br /> group.add(abstract5);<br /> frame.add(panel, BorderLayout.CENTER);<br /> frame.setSize(300, 200);<br /> frame.setVisible(true);<br /> group.setSelected(abstract1.getModel(), true);<br /> Enumeration elements = group.getElements();<br /> while (elements.hasMoreElements()) {<br /> AbstractButton button = (AbstractButton)elements.nextElement();<br /> if (button.isSelected()) {<br /> System.out.println(&quot;The winner is: &quot; + button.getText());<br /> }<br /> }<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;<br /> <br /> <br /> <br /> <br /> <br /> == Setting selected button in a button group ==<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.GridLayout;<br /> import java.util.Enumeration;<br /> import javax.swing.AbstractButton;<br /> import javax.swing.BorderFactory;<br /> import javax.swing.ButtonGroup;<br /> import javax.swing.JCheckBox;<br /> import javax.swing.JCheckBoxMenuItem;<br /> import javax.swing.JFrame;<br /> import javax.swing.JPanel;<br /> import javax.swing.JRadioButton;<br /> import javax.swing.JRadioButtonMenuItem;<br /> import javax.swing.JToggleButton;<br /> import javax.swing.border.Border;<br /> public class SettingSelectedAButtonGroup {<br /> public static void main(String args[]) {<br /> JFrame frame = new JFrame(&quot;Button Group&quot;);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> JPanel panel = new JPanel(new GridLayout(0, 1));<br /> Border border = BorderFactory.createTitledBorder(&quot;Examples&quot;);<br /> panel.setBorder(border);<br /> ButtonGroup group = new ButtonGroup();<br /> AbstractButton abstract1 = new JToggleButton(&quot;Toggle Button&quot;);<br /> panel.add(abstract1);<br /> group.add(abstract1);<br /> <br /> AbstractButton abstract2 = new JRadioButton(&quot;Radio Button&quot;);<br /> panel.add(abstract2);<br /> group.add(abstract2);<br /> <br /> AbstractButton abstract3 = new JCheckBox(&quot;Check Box&quot;);<br /> panel.add(abstract3);<br /> group.add(abstract3);<br /> <br /> AbstractButton abstract4 = new JRadioButtonMenuItem(&quot;Radio Button Menu Item&quot;);<br /> panel.add(abstract4);<br /> group.add(abstract4);<br /> <br /> AbstractButton abstract5 = new JCheckBoxMenuItem(&quot;Check Box Menu Item&quot;);<br /> panel.add(abstract5);<br /> group.add(abstract5);<br /> frame.add(panel, BorderLayout.CENTER);<br /> frame.setSize(300, 200);<br /> frame.setVisible(true);<br /> group.setSelected(abstract1.getModel(), true);<br /> <br /> Enumeration elements = group.getElements();<br /> while (elements.hasMoreElements()) {<br /> AbstractButton button = (AbstractButton)elements.nextElement();<br /> if (button.isSelected()) {<br /> System.out.println(&quot;The winner is: &quot; + button.getText());<br /> }<br /> }<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;<br /> <br /> <br /> <br /> <br /> <br /> == Using ButtonGroup to group buttons ==<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.GridLayout;<br /> import javax.swing.AbstractButton;<br /> import javax.swing.BorderFactory;<br /> import javax.swing.ButtonGroup;<br /> import javax.swing.JCheckBox;<br /> import javax.swing.JCheckBoxMenuItem;<br /> import javax.swing.JFrame;<br /> import javax.swing.JPanel;<br /> import javax.swing.JRadioButton;<br /> import javax.swing.JRadioButtonMenuItem;<br /> import javax.swing.JToggleButton;<br /> import javax.swing.border.Border;<br /> public class AButtonGroup {<br /> public static void main(String args[]) {<br /> JFrame frame = new JFrame(&quot;Button Group&quot;);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> JPanel panel = new JPanel(new GridLayout(0, 1));<br /> Border border = BorderFactory.createTitledBorder(&quot;Examples&quot;);<br /> panel.setBorder(border);<br /> ButtonGroup group = new ButtonGroup();<br /> AbstractButton abstract1 = new JToggleButton(&quot;Toggle Button&quot;);<br /> panel.add(abstract1);<br /> group.add(abstract1);<br /> AbstractButton abstract2 = new JRadioButton(&quot;Radio Button&quot;);<br /> panel.add(abstract2);<br /> group.add(abstract2);<br /> AbstractButton abstract3 = new JCheckBox(&quot;Check Box&quot;);<br /> panel.add(abstract3);<br /> group.add(abstract3);<br /> AbstractButton abstract4 = new JRadioButtonMenuItem(&quot;Radio Button Menu Item&quot;);<br /> panel.add(abstract4);<br /> group.add(abstract4);<br /> AbstractButton abstract5 = new JCheckBoxMenuItem(&quot;Check Box Menu Item&quot;);<br /> panel.add(abstract5);<br /> group.add(abstract5);<br /> frame.add(panel, BorderLayout.CENTER);<br /> frame.setSize(300, 200);<br /> frame.setVisible(true);<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

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