src/tim/prune/load/babel/AddFilterDialog.java

   1 package tim.prune.load.babel;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.FlowLayout;
   5 import java.awt.event.ActionEvent;
   6 import java.awt.event.ActionListener;
   7
   8 import javax.swing.BorderFactory;
   9 import javax.swing.JButton;
  10 import javax.swing.JDialog;
  11 import javax.swing.JFrame;
  12 import javax.swing.JPanel;
  13
  14 import tim.prune.I18nManager;
  15 import tim.prune.gui.WizardLayout;
  16
  17
  18 /**
  19  * Class to manage a dialog for adding a single GPSBabel filter
  20  */
  21 public class AddFilterDialog
  22 {
  23         /** Parent panel to pass the filter back to */
  24         private BabelFilterPanel _parentPanel = null;
  25         /** Reference to parent frame */
  26         private JFrame _parentFrame = null;
  27         /** Main dialog */
  28         private JDialog _dialog = null;
  29         /** layout for dealing with cards */
  30         private WizardLayout _wizard = null;
  31         /** Array of filter definitions */
  32         private FilterDefinition[] _filters = new FilterDefinition[4];
  33         /** Finish button */
  34         private JButton _finishButton = null;
  35         /** back button */
  36         private JButton _backButton = null;
  37
  38         // Selector class for one of the filter types
  39         class FilterTypeListener implements ActionListener
  40         {
  41                 private int _index = 0;
  42                 public FilterTypeListener(int inIndex) {_index = inIndex;}
  43                 public void actionPerformed(ActionEvent e) {
  44                         _wizard.showCard(_index);
  45                         _backButton.setEnabled(true);
  46                         filterParamsChanged(); // to check parameters and enable/disable Finish button
  47                 }
  48         }
  49
  50         /**
  51          * Constructor
  52          * @param inParent parent panel to inform of selected filter
  53          * @param inParentFrame parent frame to reference for dialogs
  54          */
  55         public AddFilterDialog(BabelFilterPanel inParent, JFrame inParentFrame)
  56         {
  57                 _parentPanel = inParent;
  58                 _parentFrame = inParentFrame;
  59         }
  60
  61         /**
  62          * Show the dialog to add a new filter
  63          */
  64         public void showDialog()
  65         {
  66                 if (_dialog == null)
  67                 {
  68                         _dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.addfilter.title"), true);
  69                         _dialog.setLocationRelativeTo(_parentFrame);
  70                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  71                         _dialog.getContentPane().add(makeDialogComponents());
  72                         _dialog.pack();
  73                 }
  74                 // TODO: Initialise cards, clear entries?
  75                 _wizard.showFirstCard();
  76                 _backButton.setEnabled(false);
  77                 _finishButton.setEnabled(false);
  78                 _dialog.setVisible(true);
  79         }
  80
  81         /**
  82          * Create dialog components
  83          * @return Panel containing all gui elements in dialog
  84          */
  85         private JPanel makeDialogComponents()
  86         {
  87                 JPanel dialogPanel = new JPanel();
  88                 dialogPanel.setLayout(new BorderLayout());
  89
  90                 // card panel in the middle
  91                 JPanel cardPanel = new JPanel();
  92                 _wizard = new WizardLayout(cardPanel);
  93                 JPanel typesCard = new JPanel();
  94                 JButton discardButton = new JButton(I18nManager.getText("dialog.gpsbabel.filter.discard"));
  95                 discardButton.addActionListener(new FilterTypeListener(1));
  96                 typesCard.add(discardButton);
  97                 JButton simplifyButton = new JButton(I18nManager.getText("dialog.gpsbabel.filter.simplify"));
  98                 simplifyButton.addActionListener(new FilterTypeListener(2));
  99                 typesCard.add(simplifyButton);
 100                 JButton distanceButton = new JButton(I18nManager.getText("dialog.gpsbabel.filter.distance"));
 101                 distanceButton.addActionListener(new FilterTypeListener(3));
 102                 typesCard.add(distanceButton);
 103                 JButton interpButton = new JButton(I18nManager.getText("dialog.gpsbabel.filter.interpolate"));
 104                 interpButton.addActionListener(new FilterTypeListener(4));
 105                 typesCard.add(interpButton);
 106
 107                 // discard panel
 108                 _filters[0] = new DiscardFilter(this);
 109                 // simplify panel
 110                 _filters[1] = new SimplifyFilter(this);
 111                 // distance panel
 112                 _filters[2] = new DistanceFilter(this);
 113                 // interpolate panel
 114                 _filters[3] = new InterpolateFilter(this);
 115
 116                 // Add cards to the wizard
 117                 _wizard.addCard(typesCard);
 118                 _wizard.addCard(_filters[0]);
 119                 _wizard.addCard(_filters[1]);
 120                 _wizard.addCard(_filters[2]);
 121                 _wizard.addCard(_filters[3]);
 122                 dialogPanel.add(cardPanel, BorderLayout.CENTER);
 123
 124                 // button panel at bottom
 125                 JPanel buttonPanel = new JPanel();
 126                 buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
 127                 _backButton = new JButton(I18nManager.getText("button.back"));
 128                 _backButton.addActionListener(new ActionListener() {
 129                         public void actionPerformed(ActionEvent e)
 130                         {
 131                                 _wizard.showCard(0);
 132                                 _backButton.setEnabled(!_wizard.isFirstCard());
 133                                 _finishButton.setEnabled(false);
 134                         }
 135                 });
 136                 _backButton.setEnabled(false);
 137                 buttonPanel.add(_backButton);
 138                 _finishButton = new JButton(I18nManager.getText("button.finish"));
 139                 ActionListener okListener = new ActionListener() {
 140                         public void actionPerformed(ActionEvent e)
 141                         {
 142                                 finish();
 143                         }
 144                 };
 145                 _finishButton.addActionListener(okListener);
 146                 _finishButton.setEnabled(false);
 147                 buttonPanel.add(_finishButton);
 148                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 149                 cancelButton.addActionListener(new ActionListener() {
 150                         public void actionPerformed(ActionEvent e)
 151                         {
 152                                 _dialog.dispose();
 153                         }
 154                 });
 155                 buttonPanel.add(cancelButton);
 156                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 157                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 158
 159                 return dialogPanel;
 160         }
 161
 162         /**
 163          * React to changes in the filter parameters (such as enabling/disabling the ok button)
 164          */
 165         public void filterParamsChanged()
 166         {
 167                 final int currCard = _wizard.getCurrentCardIndex();
 168                 if (currCard > 0 && currCard < 5) {
 169                         _finishButton.setEnabled(_filters[currCard-1].isFilterValid());
 170                 }
 171         }
 172
 173         /**
 174          * Finish the dialog when OK pressed
 175          */
 176         private void finish()
 177         {
 178                 // finish dialog and pass results back to the parent panel
 179                 final int currCard = _wizard.getCurrentCardIndex();
 180                 if (currCard > 0 && currCard < 5) {
 181                         _parentPanel.addFilter(_filters[currCard-1].getString());
 182                 }
 183                 _dialog.dispose();
 184         }
 185 }