plugins/InspectionGadgets/src/com/siyeh/ig/RegExInputVerifier.java

   1 /*
   2  * Copyright 2003-2006 Dave Griffith, Bas Leijdekkers
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.siyeh.ig;
  17
  18 import com.intellij.openapi.ui.Messages;
  19 import com.siyeh.InspectionGadgetsBundle;
  20
  21 import javax.swing.*;
  22 import java.text.ParseException;
  23
  24 public class RegExInputVerifier extends InputVerifier {
  25
  26     public boolean verify(JComponent input) {
  27         return true;
  28     }
  29
  30     public boolean shouldYieldFocus(JComponent input) {
  31         if (input instanceof JFormattedTextField) {
  32             final JFormattedTextField ftf = (JFormattedTextField) input;
  33             final JFormattedTextField.AbstractFormatter formatter =
  34                     ftf.getFormatter();
  35             if (formatter != null) {
  36                 try {
  37                     formatter.stringToValue(ftf.getText());
  38                 } catch (final ParseException e) {
  39                     SwingUtilities.invokeLater(new Runnable() {
  40                         public void run() {
  41                             Messages.showErrorDialog(e.getMessage(),
  42                                     InspectionGadgetsBundle.message(
  43                                             "error.message.regexp.malformed.naming.pattern"));
  44                         }
  45                     });
  46                 }
  47             }
  48
  49         }
  50         return true;
  51     }
  52 }