From d89f36b67ea1d838a78523538a24e044518f3587 Mon Sep 17 00:00:00 2001
From: mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>
Date: Tue, 26 Jan 2010 16:22:56 +0000
Subject: MOCCA 1.2.11 with SHA-2 enabled.

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/branches/mocca-1.2.11-sha2@599 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
---
 .../at/gv/egiz/bku/gui/ExtendedPinDocument.java    | 108 +++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 mocca-1.2.11/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ExtendedPinDocument.java

(limited to 'mocca-1.2.11/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ExtendedPinDocument.java')

diff --git a/mocca-1.2.11/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ExtendedPinDocument.java b/mocca-1.2.11/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ExtendedPinDocument.java
new file mode 100644
index 00000000..3a0d7a66
--- /dev/null
+++ b/mocca-1.2.11/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ExtendedPinDocument.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package at.gv.egiz.bku.gui;
+
+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.Document;
+import javax.swing.text.PlainDocument;
+
+/**
+ * This PINDocument also checks if the additional (optional) pinDocuments also meet the requirements
+ * to enable the OK button. 
+ * Checks if (optional) newPIN and confirmPIN correspond
+ * 
+ * @author clemens
+ */
+class ExtendedPinDocument extends PlainDocument {
+
+  private static final long serialVersionUID = 1L;
+  protected Pattern pinPattern;
+  protected int minLength;
+  protected int maxLength;
+  protected JButton enterButton;
+  protected Document newPIN;
+  protected Document confirmPIN;
+
+  public ExtendedPinDocument(int minLength, int maxLength, String pattern, JButton enterButton) {
+    if (enterButton == null) {
+      throw new NullPointerException("OK Button null");
+    }
+    if (pattern != null) {
+      pinPattern = Pattern.compile(pattern);
+    } else {
+      pinPattern = Pattern.compile(".");
+    }
+    this.minLength = minLength;
+    this.maxLength = maxLength;
+    this.enterButton = enterButton;
+  }
+
+  /**
+   * @param pinSpec
+   * @param enterButton
+   * @param newPIN, confirmPIN
+   */
+  public ExtendedPinDocument(int minLength, int maxLength, String pattern, JButton enterButton, Document newPIN, Document confirmPIN) {
+    this(minLength, maxLength, pattern, enterButton);
+    this.newPIN = newPIN;
+    this.confirmPIN = confirmPIN;
+  }
+
+  @Override
+  public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
+    if (maxLength < 0 || maxLength >= (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() >= minLength
+                && (newPIN == null || newPIN.getLength() >= minLength)
+                && (confirmPIN == null || compare()));
+      }
+    }
+  }
+
+  @Override
+  public void remove(int offs, int len) throws BadLocationException {
+    super.remove(offs, len);
+    enterButton.setEnabled(
+            getLength() >= minLength
+            && (newPIN == null || newPIN.getLength() >= minLength)
+            && (confirmPIN == null || compare()));
+  }
+
+  /**
+   * assume confirmPIN != null
+   * @return
+   */
+  private boolean compare() throws BadLocationException {
+    if (newPIN != null) {
+      return confirmPIN.getText(0, confirmPIN.getLength()).equals(newPIN.getText(0, newPIN.getLength()));
+    }
+    return false;
+  }
+}
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