javax.swing
Ŭ·¡½º InputVerifier
java.lang.Object
javax.swing.InputVerifier
public abstract class InputVerifier
- extends Object
ÀÌ Å¬·¡½ºÀÇ ¸ñÀûÀº Ŭ¶óÀÌ¾ðÆ®°¡ ÅØ½ºÆ® Çʵå¿Í GUI¸¦ »ç¿ëÇØ, ¼øÁ¶·Î¿î Æ÷Ä¿½º ³×ºñ°ÔÀ̼ÇÀ» ½Ç½ÃÇÒ ¼ö ÀÖµµ·Ï Áö¿øÇÏ´Â °ÍÀÔ´Ï´Ù. ÀÌ·¯ÇÑ GUI ¿¡¼´Â »ç¿ëÀÚ°¡ ÅØ½ºÆ® Çʵå ÀÌ¿ÜÀÇ °³¼Ò·Î ¿Å±â±â Àü¿¡
»ç¿ëÀÚ°¡ ÀÔ·ÂÇÑ ÅØ½ºÆ®°¡ À¯È¿ÇѰ¡ ¾î¶²°¡ Áï ÀûÀýÇÑ Çü½ÄÀÎÁö¸¦ È®ÀÎÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. À̰ÍÀ» ½Ç½ÃÇÏ·Á¸é,
Ŭ¶óÀÌ¾ðÆ®°¡ InputVerifier
¼ºê Ŭ·¡½º¸¦ »ý¼ºÇØ, JComponent
setInputVerifier
¸Þ¼µå¸¦ »ç¿ëÇØ, ÀÔ·ÂÀÇ °ËÁõÀ» ½Ç½ÃÇÏ´Â JComponent
¿¡ ¼ºê Ŭ·¡½ºÀÇ ÀνºÅϽº¸¦ Á¢¼ÓÇÕ´Ï´Ù. Æ÷Ä¿½º¸¦ ¿ä±¸ÇÏ´Â ´Ù¸¥ Swing ÄÄÆÛ³ÍÆ®¿¡ Æ÷Ä¿½º¸¦ À̵¿Çϱâ Àü¿¡
ÀÔ·Â º£¸®ÆÄÀ̾ÆÀÇ shouldYieldFocus
¸Þ¼µå°¡ È£ÃâµË´Ï´Ù. ¸Þ¼µå°¡ true
¸¦ µ¹·ÁÁÖ¾úÀ» °æ¿ì¿¡¸¸ Æ÷Ä¿½º°¡ À̵¿µË´Ï´Ù.
´ÙÀ½ÀÇ ¿¹¿¡¼´Â 2°³ÀÇ ÅØ½ºÆ® Çʵ尡 ÀÖ¾î, ÃÖÃÊÀÇ Çʵ忡¼´Â »ç¿ëÀÚ
·ÎºÎÅÍ Ä³¸¯ÅÍ ¶óÀÎ ¡¸pass¡¹°¡ ÀԷµǴ °ÍÀ» ±â´Ù¸®°í ÀÖ½À´Ï´Ù. ±× ij¸¯ÅÍ ¶óÀÎÀÌ ÃÖÃÊÀÇ ÅØ½ºÆ® Çʵ忡 ÀԷµǸé, »ç¿ëÀÚ´Â 2¹øÂ°ÀÇ Çʵ带 Ŭ¸¯ÇÏ´ÂÁö, Tab¸¦ ´©¸£´Â °Í¿¡ ÀÇÇØ 2¹øÂ°ÀÇ ÅØ½ºÆ® Çʵ忡 ÁøÇàµÉ ¼ö°¡ ÀÖ½À´Ï´Ù. ´Ù¸¸, ÃÖÃÊÀÇ ÅØ½ºÆ® Çʵ忡 ´Ù¸¥ ij¸¯ÅÍ ¶óÀÎÀ» ÀÔ·ÂÇϸé, »ç¿ëÀÚ´Â 2¹øÂ°ÀÇ ÅØ½ºÆ® Çʵ忡 Æ÷Ä¿½º¸¦ À̵¿ÇÒ ¼ö°¡ ¾ø½À´Ï´Ù.
import java.awt. *;
import java.util. *;
import java.awt.event. *;
import javax.swing. *;
// This program demonstrates the use of the Swing InputVerifier class.
// // It creates two text fields; the first of the text fields expects the
// // string "pass" as input, and will allow focus to advance out of it
// only after that string is typed in by the user.
public class VerifierTest extends JFrame {
public VerifierTest() {
JTextField tf1 = new JTextField ("Type \"pass\" here");
getContentPane(). add (tf1, BorderLayout.NORTH);
tf1.setInputVerifier(new PassVerifier());
JTextField tf2 = new JTextField ("TextField2");
getContentPane(). add (tf2, BorderLayout.SOUTH);
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit (0);
}
};
addWindowListener(l);
}
class PassVerifier extends InputVerifier {
public boolean verify(JComponent input) {
JTextField tf =(JTextField) input;
return "pass".equals(tf.getText());
}
}
public static void main (String [] args) {
Frame f =new VerifierTest ();
f.pack();
f.setVisible(true);
}
}
- µµÀÔµÈ ¹öÀü
:
- 1.3
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼µå |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
InputVerifier
public InputVerifier()
verify
public abstract boolean verify(JComponent input)
- JComponent
ÀÔ·ÂÀÌ À¯È¿ÇѰ¡ ¾î¶²°¡¸¦ È®ÀÎÇÕ´Ï´Ù. ÀÌ ¸Þ¼µå¿¡´Â ºÎÀÛ¿ëÀº ¾ø½À´Ï´Ù. ÀμöÀÇ ÀÔ·Â »óŸ¦ ³ªÅ¸³»´Â boolean ÇüÀ» ¸®ÅÏÇÕ´Ï´Ù.
- ÆÄ¶ó¹ÌÅÍ:
input
- °ËÁõÇÏ´Â JComponent
- ¹Ýȯ°ª:
- À¯È¿ÇÑ °æ¿ì´Â
true
, ¹«È¿ÀÎ °æ¿ì´Â false
- °ü·Ã Ç׸ñ:
JComponent.setInputVerifier(javax.swing.InputVerifier)
,
JComponent.getInputVerifier()
shouldYieldFocus
public boolean shouldYieldFocus(JComponent input)
verify(input)
¸¦ È£ÃâÇØ ÀÔ·ÂÀÌ À¯È¿ÇÑ °ÍÀ» È®ÀÎÇÕ´Ï´Ù. ÀÌ ¸Þ¼µå¿¡´Â ºÎÀÛ¿ëÀÌ ÀÖ½À´Ï´Ù. ƯÈ÷ ÀÌ ¸Þ¼µå°¡ È£ÃâµÇ´Â °ÍÀº »ç¿ëÀÚ°¡ Àμö ÄÄÆÛ³ÍÆ®·ÎºÎÅÍ ÀÌ À©µµ¿ì¿¡ ÀÖ´Â ´Ù¸¥ Swing ÄÄÆÛ³ÍÆ®¿¡ Æ÷Ä¿½º¸¦ ÁøÇà½ÃŰ·Á°í ÇßÀ» ¶§ÀÔ´Ï´Ù. ÀÌ ¸Þ¼µå°¡ true
¸¦ µ¹·ÁÁÖ¸é, Æ÷Ä¿½º´Â Á¤»óÀûÀ¸·Î À̵¿ÇÕ´Ï´Ù. false
¸¦ µ¹·ÁÁÖ¸é, Æ÷Ä¿½º´Â ±× Àμö ÄÄÆÛ³ÍÆ®¿¡ ¸Ó¹«¸¨´Ï´Ù.
- ÆÄ¶ó¹ÌÅÍ:
input
- °ËÁõÇÏ´Â JComponent
- ¹Ýȯ°ª:
- À¯È¿ÇÑ °æ¿ì´Â
true
, ¹«È¿ÀÎ °æ¿ì´Â false
- °ü·Ã Ç׸ñ:
JComponent.setInputVerifier(javax.swing.InputVerifier)
,
JComponent.getInputVerifier()
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