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authormcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-01-26 16:27:27 +0000
committermcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-01-26 16:27:27 +0000
commit84cd553cc40d9850fcd865887219d907693af0e6 (patch)
tree2d1d9054f42845ce951c9b2c2239178c803443d3 /BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ComparePinDocument.java
parent667af128d0adfeee2aa4748ab58411c91bc4905f (diff)
parent7a5310b43849124095d97af3103c4fdaeeacbbbb (diff)
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git-svn-id: https://joinup.ec.europa.eu/svn/mocca/branches/mocca-1.2.11-sha2@602 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
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diff --git a/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ComparePinDocument.java b/BKUGuiExt/src/main/java/at/gv/egiz/bku/gui/ComparePinDocument.java
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@@ -0,0 +1,102 @@
+/*
+ * 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;
+
+/**
+ * Checks if the pin confirmation (compareTo) corresponds to this pin.
+ * Additionally, checks if currentPIN (optional) meets the requirements before enabling the OK button.
+ * @author clemens
+ */
+class ComparePinDocument extends PlainDocument {
+
+ private static final long serialVersionUID = 1L;
+ protected Pattern pinPattern;
+ protected int minLength;
+ protected int maxLength;
+ protected JButton enterButton;
+ protected Document compareTo;
+ protected Document currentPIN;
+
+ /**
+ * Constructor without compareTo Document parameter (allow null and set later to avoid cyclic dependencies)
+ */
+ public ComparePinDocument(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 compareTo should not be null (allow null and set later to avoid cyclic dependencies)
+ */
+ public ComparePinDocument(int minLength, int maxLength, String pattern,
+ JButton enterButton, Document compareTo) {
+ this(minLength, maxLength, pattern, enterButton);
+ this.compareTo = compareTo;
+ }
+
+ public ComparePinDocument(int minLength, int maxLength, String pattern,
+ JButton enterButton, Document compareTo, Document currentPIN) {
+ this(minLength, maxLength, pattern, enterButton, compareTo);
+ this.currentPIN = currentPIN;
+ }
+
+ @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
+ && (currentPIN == null || currentPIN.getLength() >= minLength)
+ && compareTo.getText(0, compareTo.getLength()).equals(getText(0, getLength())));
+ }
+ }
+ }
+
+ @Override
+ public void remove(int offs, int len) throws BadLocationException {
+ super.remove(offs, len);
+ enterButton.setEnabled(
+ getLength() >= minLength
+ && (currentPIN == null || currentPIN.getLength() >= minLength)
+ && compareTo.getText(0, compareTo.getLength()).equals(getText(0, getLength())));
+ }
+}