ini/trakem2/display/YesNoDialog.java

   1 /**
   2
   3 TrakEM2 plugin for ImageJ(C).
   4 Copyright (C) 2005, 2006, 2007 Albert Cardona and Rodney Douglas.
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation (http://www.gnu.org/licenses/gpl.txt )
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 You may contact Albert Cardona at acardona at ini.phys.ethz.ch
  20 Institute of Neuroinformatics, University of Zurich / ETH, Switzerland.
  21 **/
  22 package ini.trakem2.display;
  23 import ij.IJ;
  24 import ij.gui.*;
  25 import java.awt.*;
  26 import java.awt.event.*;
  27
  28 /** A modal dialog box with a one line message and
  29         "Yes" and "No" buttons.
  30         Almost literally copied from ij.gui.YesNoCancelDialog class
  31 */
  32 public class YesNoDialog extends Dialog implements ActionListener, KeyListener {
  33     private Button yesB, noB;
  34     private boolean yesPressed;
  35         private boolean firstPaint = true;
  36
  37         public YesNoDialog(String title, String msg) {
  38                 this(IJ.getInstance(), title, msg);
  39         }
  40
  41         public YesNoDialog(Frame parent, String title, String msg) {
  42                 super(parent, title, true);
  43                 setLayout(new BorderLayout());
  44                 Panel panel = new Panel();
  45                 panel.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 10));
  46                 MultiLineLabel message = new MultiLineLabel(msg);
  47                 message.setFont(new Font("Dialog", Font.PLAIN, 12));
  48                 panel.add(message);
  49                 add("North", panel);
  50
  51                 panel = new Panel();
  52                 panel.setLayout(new FlowLayout(FlowLayout.RIGHT, 15, 8));
  53                 if (IJ.isMacintosh() && msg.startsWith("Save")) {
  54                         yesB = new Button("  Save  ");
  55                         noB = new Button("Don't Save");
  56                 } else {
  57                         yesB = new Button("  Yes  ");
  58                         noB = new Button("  No  ");
  59                 }
  60                 yesB.addActionListener(this);
  61                 noB.addActionListener(this);
  62                 yesB.addKeyListener(this);
  63                 noB.addKeyListener(this);
  64                 if (IJ.isMacintosh()) {
  65                         panel.add(noB);
  66                         panel.add(yesB);
  67                         setResizable(false);
  68                 } else {
  69                         panel.add(yesB);
  70                         panel.add(noB);
  71                 }
  72                 add("South", panel);
  73                 pack();
  74                 GUI.center(this);
  75                 show();
  76         }
  77
  78         public void actionPerformed(ActionEvent e) {
  79                 if (e.getSource()==yesB)
  80                         yesPressed = true;
  81                 closeDialog();
  82         }
  83
  84         /** Returns true if the user dismissed dialog by pressing "Yes". */
  85         public boolean yesPressed() {
  86                 return yesPressed;
  87         }
  88
  89         void closeDialog() {
  90                 setVisible(false);
  91                 dispose();
  92         }
  93
  94         public void keyPressed(KeyEvent e) {
  95                 int keyCode = e.getKeyCode();
  96                 IJ.setKeyDown(keyCode);
  97                 if (keyCode==KeyEvent.VK_ENTER||keyCode==KeyEvent.VK_Y||keyCode==KeyEvent.VK_S) {
  98                         /*
  99                         yesPressed = true;
 100                         closeDialog();
 101                         */
 102                         // PREVENTING unintentional saving of projects. TODO setup an auto save just like Blender, a .quit file with the contents of the last XML, without exporting images (but with their correct paths) (maybe as an .xml1, similar to the .blend1)
 103                 } else if (keyCode==KeyEvent.VK_N || keyCode==KeyEvent.VK_D) {
 104                         closeDialog();
 105                 }
 106         }
 107
 108         public void keyReleased(KeyEvent e) {
 109                 int keyCode = e.getKeyCode();
 110                 IJ.setKeyUp(keyCode);
 111         }
 112
 113         public void keyTyped(KeyEvent e) {}
 114
 115         public void paint(Graphics g) {
 116                 super.paint(g);
 117                 if (firstPaint) {
 118                         yesB.requestFocus();
 119                         firstPaint = false;
 120                 }
 121         }
 122 }