tim/prune/edit/PointNameEditor.java

   1 package tim.prune.edit;
   2
   3 import java.awt.Component;
   4 import java.awt.BorderLayout;
   5 import java.awt.FlowLayout;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.awt.event.KeyAdapter;
   9 import java.awt.event.KeyEvent;
  10
  11 import javax.swing.BoxLayout;
  12 import javax.swing.JButton;
  13 import javax.swing.JDialog;
  14 import javax.swing.JFrame;
  15 import javax.swing.JLabel;
  16 import javax.swing.JPanel;
  17 import javax.swing.JTextField;
  18
  19 import tim.prune.App;
  20 import tim.prune.I18nManager;
  21 import tim.prune.data.DataPoint;
  22 import tim.prune.data.Field;
  23 import tim.prune.data.Track;
  24
  25 /**
  26  * Class to manage the display and editing of waypoint names
  27  */
  28 public class PointNameEditor
  29 {
  30         private App _app = null;
  31         private JFrame _parentFrame = null;
  32         private JDialog _dialog = null;
  33         private Track _track = null;
  34         private DataPoint _point = null;
  35         private JTextField _nameField = null;
  36         private JButton _okButton = null;
  37
  38
  39         /**
  40          * Constructor
  41          * @param inApp application object to inform of success
  42          * @param inParentFrame parent frame
  43          */
  44         public PointNameEditor(App inApp, JFrame inParentFrame)
  45         {
  46                 _app = inApp;
  47                 _parentFrame = inParentFrame;
  48         }
  49
  50
  51         /**
  52          * Show the edit point name dialog
  53          * @param inTrack track object
  54          * @param inPoint point to edit
  55          */
  56         public void showDialog(Track inTrack, DataPoint inPoint)
  57         {
  58                 _track = inTrack;
  59                 _point = inPoint;
  60                 _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.pointnameedit.title"), true);
  61                 _dialog.setLocationRelativeTo(_parentFrame);
  62                 // Check current waypoint name, if any
  63                 String name = _point.getWaypointName();
  64                 // Create Gui and show it
  65                 _dialog.getContentPane().add(makeDialogComponents(name));
  66                 _dialog.pack();
  67                 _dialog.show();
  68         }
  69
  70
  71         /**
  72          * Make the dialog components
  73          * @param inName initial name of point
  74          * @return the GUI components for the dialog
  75          */
  76         private Component makeDialogComponents(String inName)
  77         {
  78                 JPanel panel = new JPanel();
  79                 panel.setLayout(new BorderLayout());
  80                 // Create GUI layout for point name editor
  81                 JPanel centrePanel = new JPanel();
  82                 // centrePanel.set
  83                 centrePanel.add(new JLabel(I18nManager.getText("dialog.pointnameedit.name") + ":"));
  84                 _nameField = new JTextField(inName, 12);
  85                 _nameField.addKeyListener(new KeyAdapter() {
  86                         public void keyTyped(KeyEvent e)
  87                         {
  88                                 _okButton.setEnabled(true);
  89                         }
  90                 });
  91                 centrePanel.add(_nameField);
  92                 panel.add(centrePanel);
  93                 JPanel rightPanel = new JPanel();
  94                 rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));
  95                 JButton upperButton = new JButton(I18nManager.getText("dialog.pointnameedit.uppercase"));
  96                 upperButton.addActionListener(new ActionListener() {
  97                         public void actionPerformed(ActionEvent e)
  98                         {
  99                                 _nameField.setText(_nameField.getText().toUpperCase());
 100                                 _okButton.setEnabled(true);
 101                         }
 102                 });
 103                 rightPanel.add(upperButton);
 104                 JButton lowerButton = new JButton(I18nManager.getText("dialog.pointnameedit.lowercase"));
 105                 lowerButton.addActionListener(new ActionListener() {
 106                         public void actionPerformed(ActionEvent e)
 107                         {
 108                                 _nameField.setText(_nameField.getText().toLowerCase());
 109                                 _okButton.setEnabled(true);
 110                         }
 111                 });
 112                 rightPanel.add(lowerButton);
 113                 JButton sentenceButton = new JButton(I18nManager.getText("dialog.pointnameedit.sentencecase"));
 114                 sentenceButton.addActionListener(new ActionListener() {
 115                         public void actionPerformed(ActionEvent e)
 116                         {
 117                                 _nameField.setText(sentenceCase(_nameField.getText()));
 118                                 _okButton.setEnabled(true);
 119                         }
 120                 });
 121                 rightPanel.add(sentenceButton);
 122                 panel.add(rightPanel, BorderLayout.EAST);
 123                 // Bottom panel for OK, cancel buttons
 124                 JPanel lowerPanel = new JPanel();
 125                 lowerPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 126                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 127                 cancelButton.addActionListener(new ActionListener() {
 128                         public void actionPerformed(ActionEvent e)
 129                         {
 130                                 _dialog.dispose();
 131                         }
 132                 });
 133                 lowerPanel.add(cancelButton);
 134                 _okButton = new JButton(I18nManager.getText("button.ok"));
 135                 _okButton.setEnabled(false);
 136                 _okButton.addActionListener(new ActionListener() {
 137                         public void actionPerformed(ActionEvent e)
 138                         {
 139                                 // update App with edit
 140                                 confirmEdit();
 141                                 _dialog.dispose();
 142                         }
 143                 });
 144                 lowerPanel.add(_okButton);
 145                 panel.add(lowerPanel, BorderLayout.SOUTH);
 146                 return panel;
 147         }
 148
 149
 150         /**
 151          * Turn a String into sentence case by capitalizing each word
 152          * @param inString String to convert
 153          * @return capitalized String
 154          */
 155         private static String sentenceCase(String inString)
 156         {
 157                 // Check first for empty strings
 158                 if (inString == null || inString.equals(""))
 159                 {
 160                         return "";
 161                 }
 162                 StringBuffer buffer = new StringBuffer();
 163                 // loop through characters
 164                 char lastChar = ' ', currChar = ' ';
 165                 for (int i=0; i<inString.length(); i++)
 166                 {
 167                         currChar = inString.charAt(i);
 168                         buffer.append(lastChar == ' '?Character.toUpperCase(currChar):Character.toLowerCase(currChar));
 169                         lastChar = currChar;
 170                 }
 171                 return buffer.toString();
 172         }
 173
 174
 175         /**
 176          * Confirm the edit and inform the app
 177          */
 178         private void confirmEdit()
 179         {
 180                 // Check whether name has really changed
 181                 String prevName = _point.getWaypointName();
 182                 String newName = _nameField.getText().trim();
 183                 boolean prevNull = (prevName == null || prevName.equals(""));
 184                 boolean newNull = (newName == null || newName.equals(""));
 185                 if ( (prevNull && !newNull)
 186                         || (!prevNull && newNull)
 187                         || (!prevNull && !newNull && !prevName.equals(newName)) )
 188                 {
 189                         // Make lists for edit and undo, and add the changed field
 190                         FieldEditList editList = new FieldEditList();
 191                         FieldEditList undoList = new FieldEditList();
 192                         editList.addEdit(new FieldEdit(Field.WAYPT_NAME, newName));
 193                         undoList.addEdit(new FieldEdit(Field.WAYPT_NAME, prevName));
 194
 195                         // Pass back to App to perform edit
 196                         _app.completePointEdit(editList, undoList);
 197                 }
 198         }
 199 }