src/cx/fbn/nevernote/dialog/DBEncryptDialog.java

   1 /*\r
   2  * This file is part of NeverNote \r
   3  * Copyright 2009 Randy Baumgarte\r
   4  * \r
   5  * This file may be licensed under the terms of of the\r
   6  * GNU General Public License Version 2 (the ``GPL'').\r
   7  *\r
   8  * Software distributed under the License is distributed\r
   9  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either\r
  10  * express or implied. See the GPL for the specific language\r
  11  * governing rights and limitations.\r
  12  *\r
  13  * You should have received a copy of the GPL along with this\r
  14  * program. If not, go to http://www.gnu.org/licenses/gpl.html\r
  15  * or write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
  17  *\r
  18 */\r
  19 \r
  20 package cx.fbn.nevernote.dialog;\r
  21 \r
  22 //**********************************************\r
  23 //**********************************************\r
  24 //* Set the database to be encrypted.\r
  25 //**********************************************\r
  26 //**********************************************\r
  27 \r
  28 import com.trolltech.qt.gui.QComboBox;\r
  29 import com.trolltech.qt.gui.QDialog;\r
  30 import com.trolltech.qt.gui.QGridLayout;\r
  31 import com.trolltech.qt.gui.QIcon;\r
  32 import com.trolltech.qt.gui.QLabel;\r
  33 import com.trolltech.qt.gui.QLineEdit;\r
  34 import com.trolltech.qt.gui.QPushButton;\r
  35 \r
  36 public class DBEncryptDialog extends QDialog {\r
  37 \r
  38         private boolean         okPressed;\r
  39         private final QLineEdit password1;\r
  40         private final QLineEdit password2;\r
  41         private final QPushButton ok;\r
  42         private final QComboBox encryptionType;\r
  43         private final QLabel encryptionLabel;\r
  44         private final String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
  45         \r
  46         \r
  47         // Constructor\r
  48         public DBEncryptDialog() {\r
  49                 okPressed = false;\r
  50                 setWindowTitle(tr("Database Encryption"));\r
  51                 setWindowIcon(new QIcon(iconPath+"password.png"));\r
  52                 QGridLayout grid = new QGridLayout();\r
  53                 setLayout(grid);\r
  54                 QGridLayout passwordGrid = new QGridLayout();\r
  55                 QGridLayout buttonGrid = new QGridLayout();\r
  56                                 \r
  57                 password1 = new QLineEdit();\r
  58                 password1.setEchoMode(QLineEdit.EchoMode.Password);\r
  59                 password2 = new QLineEdit();\r
  60                 password2.setEchoMode(QLineEdit.EchoMode.Password);\r
  61                 \r
  62                 password1.textChanged.connect(this, "validateInput()");\r
  63                 password2.textChanged.connect(this, "validateInput()");\r
  64                 \r
  65                 encryptionLabel = new QLabel(tr("Encryption Method"));\r
  66                 encryptionType = new QComboBox();\r
  67                 encryptionType.addItem(tr("AES"), "AES");\r
  68                 encryptionType.addItem(tr("XTEA"), "XTEA");\r
  69                 \r
  70                 passwordGrid.addWidget(new QLabel(tr("Password")), 1,1);\r
  71                 passwordGrid.addWidget(password1, 1, 2);\r
  72                 passwordGrid.addWidget(new QLabel(tr("Verify Password")), 2,1);\r
  73                 passwordGrid.addWidget(password2, 2, 2);\r
  74                 passwordGrid.addWidget(encryptionLabel, 3,1);\r
  75                 passwordGrid.addWidget(encryptionType, 3,2);\r
  76                 passwordGrid.setContentsMargins(10, 10,  -10, -10);\r
  77                 grid.addLayout(passwordGrid,1,1);\r
  78                 \r
  79                 \r
  80                 \r
  81                 ok = new QPushButton(tr("OK"));\r
  82                 ok.setEnabled(false);\r
  83                 ok.clicked.connect(this, "okButtonPressed()");\r
  84                 QPushButton cancel = new QPushButton(tr("Cancel"));\r
  85                 cancel.clicked.connect(this, "cancelButtonPressed()");\r
  86                 buttonGrid.addWidget(ok, 1, 1);\r
  87                 buttonGrid.addWidget(cancel, 1,2);\r
  88                 grid.addLayout(buttonGrid,2,1);\r
  89         }\r
  90         \r
  91         public void hideEncryption() {\r
  92                 encryptionType.setVisible(false);\r
  93                 encryptionLabel.setVisible(false);\r
  94         }\r
  95         \r
  96         public String getEncryptionMethod() {\r
  97                 int i = encryptionType.currentIndex();\r
  98                 return encryptionType.itemData(i).toString();\r
  99         }\r
 100         \r
 101         // The OK button was pressed\r
 102         @SuppressWarnings("unused")\r
 103         private void okButtonPressed() {\r
 104                 okPressed = true;\r
 105                 close();\r
 106         }\r
 107         \r
 108         // The CANCEL button was pressed\r
 109         @SuppressWarnings("unused")\r
 110         private void cancelButtonPressed() {\r
 111                 okPressed = false;\r
 112                 close();\r
 113         }\r
 114         \r
 115         // Get the userid from the field\r
 116         public String getPassword() {\r
 117                 return password1.text();\r
 118         }\r
 119         \r
 120         // Check if the OK button was pressed\r
 121         public boolean okPressed() {\r
 122                 return okPressed;\r
 123         }\r
 124         \r
 125         // Validate user input\r
 126         public void validateInput() {\r
 127                 ok.setEnabled(true);\r
 128                 if (password1.text().trim().equals("")) {\r
 129                         ok.setEnabled(false);\r
 130                         return;\r
 131                 }       \r
 132                 if (password1.text().length() < 4) {\r
 133                         ok.setEnabled(false);\r
 134                         return;\r
 135                 }\r
 136                 if (!password1.text().equals(password2.text())) {\r
 137                         ok.setEnabled(false);\r
 138                         return;\r
 139                 }\r
 140                 if (password1.text().indexOf(" ") > -1) {\r
 141                         ok.setEnabled(false);\r
 142                         return;\r
 143                 }\r
 144         }\r
 145 }\r