tim/prune/edit/PointEditor.java

   1 package tim.prune.edit;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.Dimension;
   6 import java.awt.FlowLayout;
   7 import java.awt.event.ActionEvent;
   8 import java.awt.event.ActionListener;
   9
  10 import javax.swing.JButton;
  11 import javax.swing.JDialog;
  12 import javax.swing.JFrame;
  13 import javax.swing.JLabel;
  14 import javax.swing.JOptionPane;
  15 import javax.swing.JPanel;
  16 import javax.swing.JScrollPane;
  17 import javax.swing.JTable;
  18 import javax.swing.ListSelectionModel;
  19 import javax.swing.event.ListSelectionEvent;
  20 import javax.swing.event.ListSelectionListener;
  21
  22 import tim.prune.App;
  23 import tim.prune.I18nManager;
  24 import tim.prune.data.DataPoint;
  25 import tim.prune.data.Field;
  26 import tim.prune.data.FieldList;
  27 import tim.prune.data.Track;
  28
  29 /**
  30  * Class to manage the display and editing of point data
  31  */
  32 public class PointEditor
  33 {
  34         private App _app = null;
  35         private JFrame _parentFrame = null;
  36         private JDialog _dialog = null;
  37         private JTable _table = null;
  38         private Track _track = null;
  39         private DataPoint _point = null;
  40         private EditFieldsTableModel _model = null;
  41         private JButton _editButton = null;
  42         private JButton _okButton = null;
  43
  44
  45         /**
  46          * Constructor
  47          * @param inApp application object to inform of success
  48          * @param inParentFrame parent frame
  49          */
  50         public PointEditor(App inApp, JFrame inParentFrame)
  51         {
  52                 _app = inApp;
  53                 _parentFrame = inParentFrame;
  54         }
  55
  56
  57         /**
  58          * Show the edit point dialog
  59          * @param inTrack track object
  60          * @param inPoint point to edit
  61          */
  62         public void showDialog(Track inTrack, DataPoint inPoint)
  63         {
  64                 _track = inTrack;
  65                 _point = inPoint;
  66                 _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.pointedit.title"), true);
  67                 _dialog.setLocationRelativeTo(_parentFrame);
  68                 // Check field list
  69                 FieldList fieldList = _track.getFieldList();
  70                 int numFields = fieldList.getNumFields();
  71                 // Create table model for point editor
  72                 _model = new EditFieldsTableModel(numFields);
  73                 for (int i=0; i<numFields; i++)
  74                 {
  75                         Field field = fieldList.getField(i);
  76                         _model.addFieldInfo(field.getName(), _point.getFieldValue(field), i);
  77                 }
  78                 // Create Gui and show it
  79                 _dialog.getContentPane().add(makeDialogComponents());
  80                 _dialog.pack();
  81                 _dialog.show();
  82         }
  83
  84
  85         /**
  86          * Make the dialog components
  87          * @return the GUI components for the dialog
  88          */
  89         private Component makeDialogComponents()
  90         {
  91                 JPanel panel = new JPanel();
  92                 panel.setLayout(new BorderLayout());
  93                 // Create GUI layout for point editor
  94                 _table = new JTable(_model);
  95                 _table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  96                 _table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
  97                         public void valueChanged(ListSelectionEvent e)
  98                         {
  99                                 // enable edit button when row selected
 100                                 _editButton.setEnabled(true);
 101                         }
 102                 });
 103                 _table.setPreferredScrollableViewportSize(new Dimension(_table.getWidth(), _table.getRowHeight() * 6));
 104                 panel.add(new JScrollPane(_table), BorderLayout.CENTER);
 105                 panel.add(new JLabel(I18nManager.getText("dialog.pointedit.text")), BorderLayout.NORTH);
 106                 _editButton = new JButton(I18nManager.getText("button.edit"));
 107                 _editButton.addActionListener(new ActionListener() {
 108                         public void actionPerformed(ActionEvent e)
 109                         {
 110                                 // Update field value and enable ok button
 111                                 String currValue = _model.getValue(_table.getSelectedRow());
 112                                 Object newValue = JOptionPane.showInputDialog(_dialog,
 113                                         I18nManager.getText("dialog.pointedit.changevalue.text"),
 114                                         I18nManager.getText("dialog.pointedit.changevalue.title"),
 115                                         JOptionPane.QUESTION_MESSAGE, null, null, currValue);
 116                                 if (newValue != null
 117                                         && _model.updateValue(_table.getSelectedRow(), newValue.toString()))
 118                                 {
 119                                         _okButton.setEnabled(true);
 120                                 }
 121                         }
 122                 });
 123                 _editButton.setEnabled(false);
 124                 JPanel rightPanel = new JPanel();
 125                 rightPanel.add(_editButton);
 126                 panel.add(rightPanel, BorderLayout.EAST);
 127                 // Bottom panel for OK, cancel buttons
 128                 JPanel lowerPanel = new JPanel();
 129                 lowerPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 130                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 131                 cancelButton.addActionListener(new ActionListener() {
 132                         public void actionPerformed(ActionEvent e)
 133                         {
 134                                 _dialog.dispose();
 135                         }
 136                 });
 137                 lowerPanel.add(cancelButton);
 138                 _okButton = new JButton(I18nManager.getText("button.ok"));
 139                 _okButton.setEnabled(false);
 140                 _okButton.addActionListener(new ActionListener() {
 141                         public void actionPerformed(ActionEvent e)
 142                         {
 143                                 // update App with edit
 144                                 confirmEdit();
 145                                 _dialog.dispose();
 146                         }
 147                 });
 148                 lowerPanel.add(_okButton);
 149                 panel.add(lowerPanel, BorderLayout.SOUTH);
 150                 return panel;
 151         }
 152
 153
 154         /**
 155          * Confirm the edit and inform the app
 156          */
 157         private void confirmEdit()
 158         {
 159                 // Package the modified fields into an object
 160                 FieldList fieldList = _track.getFieldList();
 161                 int numFields = fieldList.getNumFields();
 162                 // Make lists for edit and undo, and add each changed field in turn
 163                 FieldEditList editList = new FieldEditList();
 164                 FieldEditList undoList = new FieldEditList();
 165                 for (int i=0; i<numFields; i++)
 166                 {
 167                         if (_model.getChanged(i))
 168                         {
 169                                 Field field = fieldList.getField(i);
 170                                 editList.addEdit(new FieldEdit(field, _model.getValue(i)));
 171                                 undoList.addEdit(new FieldEdit(field, _point.getFieldValue(field)));
 172                         }
 173                 }
 174                 _app.completePointEdit(editList, undoList);
 175         }
 176 }