diff options
Diffstat (limited to 'Bachelor/ERGO/TierheimVerw/thv/IntVerifier.java')
| -rw-r--r-- | Bachelor/ERGO/TierheimVerw/thv/IntVerifier.java | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Bachelor/ERGO/TierheimVerw/thv/IntVerifier.java b/Bachelor/ERGO/TierheimVerw/thv/IntVerifier.java new file mode 100644 index 0000000..84cd2cd --- /dev/null +++ b/Bachelor/ERGO/TierheimVerw/thv/IntVerifier.java @@ -0,0 +1,33 @@ +import javax.swing.InputVerifier;
+import javax.swing.JComponent;
+import javax.swing.JTextField;
+import java.awt.Toolkit;
+
+/**
+ * @author Andreas Spirka, Sven Eisenhauer
+ * InputVerifier zur Überprüfung auf Integer-Werte
+ */
+public class IntVerifier extends InputVerifier {
+
+ /* (non-Javadoc)
+ * @see javax.swing.InputVerifier#verify(javax.swing.JComponent)
+ */
+ public boolean verify(JComponent arg0) {
+ boolean retVal=false;
+ JTextField tf = (JTextField) arg0;
+ String regexp = "[0-9]+";
+ retVal=tf.getText().matches(regexp);
+ if(!retVal)
+ {
+ Toolkit.getDefaultToolkit().beep();
+ }
+ return retVal;
+ }
+ /* (non-Javadoc)
+ * @see javax.swing.InputVerifier#shouldYieldFocus(javax.swing.JComponent)
+ */
+ public boolean shouldYieldFocus(JComponent input)
+ {
+ return verify(input);
+ }
+}
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