1 files changed, 58 insertions, 0 deletions
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java
new file mode 100644
index 00000000..e8572742
--- /dev/null
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java
@@ -0,0 +1,58 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package at.gv.egiz.bku.gui;
+
+import at.gv.egiz.smcc.PINSpec;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.swing.JButton;
+import javax.swing.text.AttributeSet;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.PlainDocument;
+
+/**
+ *
+ * @author clemens
+ */
+class PINDocument extends PlainDocument {
+
+        private PINSpec pinSpec;
+        private Pattern pinPattern;
+        private JButton enterButton;
+
+        public PINDocument(PINSpec pinSpec, JButton enterButton) {
+            this.pinSpec = pinSpec;
+            if (pinSpec.getRexepPattern() != null) {
+                pinPattern = Pattern.compile(pinSpec.getRexepPattern());
+            } else {
+                pinPattern = Pattern.compile(".");
+            }
+            this.enterButton = enterButton;
+        }
+
+        @Override
+        public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
+            if (pinSpec.getMaxLength() >= (getLength() + str.length())) {
+                boolean matches = true;
+                for (int i = 0; i < str.length(); i++) {
+                    Matcher m = pinPattern.matcher(str.substring(i, i + 1));
+                    if (!m.matches()) {
+                        matches = false;
+                    }
+                }
+                if (matches) {
+                    super.insertString(offs, str, a);
+                }
+            }
+            enterButton.setEnabled(getLength() >= pinSpec.getMinLength());
+        }
+
+        @Override
+        public void remove(int offs, int len) throws BadLocationException {
+            super.remove(offs, len);
+            enterButton.setEnabled(getLength() >= pinSpec.getMinLength());
+        }
+    }
+\ No newline at end of file