http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_by_API%2Forg.eclipse.swt.events%2FVerifyEvent 2026-04-26T03:02:36Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.events/VerifyEvent&diff=1825&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/org.eclipse.swt.events/VerifyEvent&diff=1826&oldid=prev 2010-05-31T14:38:06Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== VerifyEvent: doit ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> import org.eclipse.swt.SWT;<br /> import org.eclipse.swt.events.VerifyEvent;<br /> import org.eclipse.swt.events.VerifyListener;<br /> import org.eclipse.swt.widgets.Display;<br /> import org.eclipse.swt.widgets.Shell;<br /> import org.eclipse.swt.widgets.Text;<br /> public class MainClass {<br /> public static void main(String[] a) {<br /> Display display = new Display();<br /> // Create the main window<br /> Shell shell = new Shell(display);<br /> Text fahrenheit = new Text(shell, SWT.BORDER);<br /> fahrenheit.setData(&quot;Type a temperature in Fahrenheit&quot;);<br /> fahrenheit.setBounds(20, 20, 100, 20);<br /> fahrenheit.addVerifyListener(new VerifyListener() {<br /> public void verifyText(VerifyEvent event) {<br /> // Assume we don&quot;t allow it<br /> event.doit = false;<br /> // Get the character typed<br /> char myChar = event.character;<br /> String text = ((Text) event.widget).getText();<br /> // Allow &quot;-&quot; if first character<br /> if (myChar == &quot;-&quot; &amp;&amp; text.length() == 0)<br /> event.doit = true;<br /> // Allow 0-9<br /> if (Character.isDigit(myChar))<br /> event.doit = true;<br /> // Allow backspace<br /> if (myChar == &quot;\b&quot;)<br /> event.doit = true;<br /> }<br /> });<br /> shell.open();<br /> while (!shell.isDisposed()) {<br /> if (!display.readAndDispatch()) {<br /> display.sleep();<br /> }<br /> }<br /> display.dispose();<br /> }<br /> }<br /> <br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

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