tim/prune/function/edit/PointEditor.java

   1 package tim.prune.function.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.BorderFactory;
  11 import javax.swing.JButton;
  12 import javax.swing.JDialog;
  13 import javax.swing.JFrame;
  14 import javax.swing.JLabel;
  15 import javax.swing.JOptionPane;
  16 import javax.swing.JPanel;
  17 import javax.swing.JScrollPane;
  18 import javax.swing.JTable;
  19 import javax.swing.ListSelectionModel;
  20 import javax.swing.event.ListSelectionEvent;
  21 import javax.swing.event.ListSelectionListener;
  22
  23 import tim.prune.App;
  24 import tim.prune.I18nManager;
  25 import tim.prune.data.DataPoint;
  26 import tim.prune.data.Field;
  27 import tim.prune.data.FieldList;
  28 import tim.prune.data.Track;
  29
  30 /**
  31  * Class to manage the display and editing of point data
  32  */
  33 public class PointEditor
  34 {
  35         private App _app = null;
  36         private JFrame _parentFrame = null;
  37         private JDialog _dialog = null;
  38         private JTable _table = null;
  39         private Track _track = null;
  40         private DataPoint _point = null;
  41         private EditFieldsTableModel _model = null;
  42         private JButton _editButton = null;
  43         private JButton _okButton = null;
  44
  45
  46         /**
  47          * Constructor
  48          * @param inApp application object to inform of success
  49          * @param inParentFrame parent frame
  50          */
  51         public PointEditor(App inApp, JFrame inParentFrame)
  52         {
  53                 _app = inApp;
  54                 _parentFrame = inParentFrame;
  55         }
  56
  57
  58         /**
  59          * Show the edit point dialog
  60          * @param inTrack track object
  61          * @param inPoint point to edit
  62          */
  63         public void showDialog(Track inTrack, DataPoint inPoint)
  64         {
  65                 _track = inTrack;
  66                 _point = inPoint;
  67                 _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.pointedit.title"), true);
  68                 _dialog.setLocationRelativeTo(_parentFrame);
  69                 // Check field list
  70                 FieldList fieldList = _track.getFieldList();
  71                 int numFields = fieldList.getNumFields();
  72                 // Create table model for point editor
  73                 _model = new EditFieldsTableModel(numFields);
  74                 for (int i=0; i<numFields; i++)
  75                 {
  76                         Field field = fieldList.getField(i);
  77                         _model.addFieldInfo(field.getName(), _point.getFieldValue(field), i);
  78                 }
  79                 // Create Gui and show it
  80                 _dialog.getContentPane().add(makeDialogComponents());
  81                 _dialog.pack();
  82                 _dialog.setVisible(true);
  83         }
  84
  85
  86         /**
  87          * Make the dialog components
  88          * @return the GUI components for the dialog
  89          */
  90         private Component makeDialogComponents()
  91         {
  92                 JPanel panel = new JPanel();
  93                 panel.setLayout(new BorderLayout(1, 10));
  94                 // Create GUI layout for point editor
  95                 _table = new JTable(_model);
  96                 _table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  97                 _table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
  98                         public void valueChanged(ListSelectionEvent e)
  99                         {
 100                                 // enable edit button when row selected
 101                                 _editButton.setEnabled(true);
 102                         }
 103                 });
 104                 _table.setPreferredScrollableViewportSize(new Dimension(_table.getWidth(), _table.getRowHeight() * 6));
 105                 panel.add(new JScrollPane(_table), BorderLayout.CENTER);
 106                 // Label at top
 107                 JLabel topLabel = new JLabel(I18nManager.getText("dialog.pointedit.text"));
 108                 topLabel.setBorder(BorderFactory.createEmptyBorder(8, 6, 3, 6));
 109                 panel.add(topLabel, BorderLayout.NORTH);
 110                 _editButton = new JButton(I18nManager.getText("button.edit"));
 111                 _editButton.addActionListener(new ActionListener() {
 112                         public void actionPerformed(ActionEvent e)
 113                         {
 114                                 // Update field value and enable ok button
 115                                 String currValue = _model.getValue(_table.getSelectedRow());
 116                                 Object newValue = JOptionPane.showInputDialog(_dialog,
 117                                         I18nManager.getText("dialog.pointedit.changevalue.text"),
 118                                         I18nManager.getText("dialog.pointedit.changevalue.title"),
 119                                         JOptionPane.QUESTION_MESSAGE, null, null, currValue);
 120                                 if (newValue != null
 121                                         && _model.updateValue(_table.getSelectedRow(), newValue.toString()))
 122                                 {
 123                                         _okButton.setEnabled(true);
 124                                 }
 125                         }
 126                 });
 127                 _editButton.setEnabled(false);
 128                 JPanel rightPanel = new JPanel();
 129                 rightPanel.add(_editButton);
 130                 panel.add(rightPanel, BorderLayout.EAST);
 131                 // Bottom panel for OK, cancel buttons
 132                 JPanel lowerPanel = new JPanel();
 133                 lowerPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 134                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 135                 cancelButton.addActionListener(new ActionListener() {
 136                         public void actionPerformed(ActionEvent e)
 137                         {
 138                                 _dialog.dispose();
 139                         }
 140                 });
 141                 lowerPanel.add(cancelButton);
 142                 _okButton = new JButton(I18nManager.getText("button.ok"));
 143                 _okButton.setEnabled(false);
 144                 _okButton.addActionListener(new ActionListener() {
 145                         public void actionPerformed(ActionEvent e)
 146                         {
 147                                 // update App with edit
 148                                 confirmEdit();
 149                                 _dialog.dispose();
 150                         }
 151                 });
 152                 lowerPanel.add(_okButton);
 153                 panel.add(lowerPanel, BorderLayout.SOUTH);
 154                 return panel;
 155         }
 156
 157
 158         /**
 159          * Confirm the edit and inform the app
 160          */
 161         private void confirmEdit()
 162         {
 163                 // Package the modified fields into an object
 164                 FieldList fieldList = _track.getFieldList();
 165                 int numFields = fieldList.getNumFields();
 166                 // Make lists for edit and undo, and add each changed field in turn
 167                 FieldEditList editList = new FieldEditList();
 168                 FieldEditList undoList = new FieldEditList();
 169                 for (int i=0; i<numFields; i++)
 170                 {
 171                         if (_model.getChanged(i))
 172                         {
 173                                 Field field = fieldList.getField(i);
 174                                 editList.addEdit(new FieldEdit(field, _model.getValue(i)));
 175                                 undoList.addEdit(new FieldEdit(field, _point.getFieldValue(field)));
 176                         }
 177                 }
 178                 _app.completePointEdit(editList, undoList);
 179         }
 180 }