tim/prune/load/babel/DiscardFilter.java

   1 package tim.prune.load.babel;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.GridLayout;
   6
   7 import javax.swing.BorderFactory;
   8 import javax.swing.Box;
   9 import javax.swing.BoxLayout;
  10 import javax.swing.JCheckBox;
  11 import javax.swing.JComboBox;
  12 import javax.swing.JLabel;
  13 import javax.swing.JPanel;
  14 import javax.swing.SwingConstants;
  15 import javax.swing.border.EtchedBorder;
  16
  17 import tim.prune.I18nManager;
  18 import tim.prune.gui.WholeNumberField;
  19
  20 /**
  21  * Discard filter for GPSBabel
  22  */
  23 public class DiscardFilter extends FilterDefinition
  24 {
  25         /** Constructor */
  26         public DiscardFilter(AddFilterDialog inFilterDialog)
  27         {
  28                 super(inFilterDialog);
  29                 makePanelContents();
  30         }
  31
  32         private WholeNumberField _hdopField = null;
  33         private WholeNumberField _vdopField = null;
  34         private JComboBox _combineDopsCombo = null;
  35         private WholeNumberField _numSatsField = null;
  36         private JCheckBox _noFixCheckbox = null;
  37         private JCheckBox _unknownFixCheckbox = null;
  38
  39
  40         /** @return filter name */
  41         protected String getFilterName() {
  42                 return "discard";
  43         }
  44
  45         /** Make the panel contents */
  46         protected void makePanelContents()
  47         {
  48                 setLayout(new BorderLayout());
  49                 JPanel boxPanel = new JPanel();
  50                 boxPanel.setLayout(new BoxLayout(boxPanel, BoxLayout.Y_AXIS));
  51                 JLabel topLabel = new JLabel(I18nManager.getText("dialog.gpsbabel.filter.discard.intro"));
  52                 topLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
  53                 boxPanel.add(topLabel);
  54                 boxPanel.add(Box.createVerticalStrut(9)); // spacer
  55
  56                 JPanel boxPanel2 = new JPanel();
  57                 boxPanel2.setLayout(new BoxLayout(boxPanel2, BoxLayout.Y_AXIS));
  58                 // Panel for dops
  59                 JPanel dopPanel = new JPanel();
  60                 dopPanel.setBorder(BorderFactory.createCompoundBorder(
  61                         BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(4, 4, 4, 4))
  62                 );
  63                 dopPanel.setLayout(new GridLayout(0, 3, 4, 2));
  64                 dopPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.discard.hdop"), SwingConstants.RIGHT));
  65                 _hdopField = new WholeNumberField(2);
  66                 _hdopField.addKeyListener(_paramChangeListener);
  67                 dopPanel.add(_hdopField);
  68                 _combineDopsCombo = new JComboBox(new String[] {I18nManager.getText("logic.and"), I18nManager.getText("logic.or")});
  69                 dopPanel.add(_combineDopsCombo);
  70                 dopPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.discard.vdop"), SwingConstants.RIGHT));
  71                 _vdopField = new WholeNumberField(2);
  72                 _vdopField.addKeyListener(_paramChangeListener);
  73                 dopPanel.add(_vdopField);
  74                 boxPanel2.add(dopPanel);
  75
  76                 // Number of satellites
  77                 JPanel satPanel = new JPanel();
  78                 satPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.discard.numsats")));
  79                 _numSatsField = new WholeNumberField(2);
  80                 _numSatsField.addKeyListener(_paramChangeListener);
  81                 satPanel.add(_numSatsField);
  82                 boxPanel2.add(satPanel);
  83
  84                 // Checkboxes for no fix and unknown fix
  85                 _noFixCheckbox = new JCheckBox(I18nManager.getText("dialog.gpsbabel.filter.discard.nofix"));
  86                 boxPanel2.add(_noFixCheckbox);
  87                 _unknownFixCheckbox = new JCheckBox(I18nManager.getText("dialog.gpsbabel.filter.discard.unknownfix"));
  88                 boxPanel2.add(_unknownFixCheckbox);
  89                 boxPanel2.add(Box.createVerticalStrut(9)); // spacer
  90
  91                 boxPanel2.setAlignmentX(Component.LEFT_ALIGNMENT);
  92                 boxPanel.add(boxPanel2);
  93                 add(boxPanel, BorderLayout.NORTH);
  94 }
  95
  96         /**
  97          * @return true if the filters are valid
  98          */
  99         public boolean isFilterValid()
 100         {
 101                 // If values are entered, insist that they're positive (0 not valid)
 102                 if (_hdopField.getText() != null && _hdopField.getText().length() > 0 && _hdopField.getValue() <= 0) {return false;}
 103                 if (_vdopField.getText() != null && _vdopField.getText().length() > 0 && _vdopField.getValue() <= 0) {return false;}
 104                 if (_numSatsField.getText() != null && _numSatsField.getText().length() > 0 && _numSatsField.getValue() <= 0) {return false;}
 105                 // Insist that at least one value has been entered
 106                 return _hdopField.getValue() > 0 || _vdopField.getValue() > 0 || _numSatsField.getValue() > 0;
 107         }
 108
 109         /**
 110          * @return filter parameters as a string, or null
 111          */
 112         protected String getParameters()
 113         {
 114                 if (!isFilterValid()) return null;
 115                 StringBuilder builder = new StringBuilder();
 116                 // hdop and vdop
 117                 final int hdop = _hdopField.getValue();
 118                 if (hdop > 0) {
 119                         builder.append(",hdop=").append(hdop);
 120                 }
 121                 final int vdop = _vdopField.getValue();
 122                 if (vdop > 0)
 123                 {
 124                         builder.append(",vdop=").append(vdop);
 125                         if (hdop > 0 && _combineDopsCombo.getSelectedIndex() == 0) {
 126                                 builder.append(",hdopandvdop");
 127                         }
 128                 }
 129                 // number of satellites
 130                 final int numSats = _numSatsField.getValue();
 131                 if (numSats > 0)
 132                 {
 133                         builder.append(",sat=").append(numSats);
 134                 }
 135                 // checkboxes
 136                 if (_noFixCheckbox.isSelected()) {
 137                         builder.append(",fixnone");
 138                 }
 139                 if (_unknownFixCheckbox.isSelected()) {
 140                         builder.append(",fixunknown");
 141                 }
 142                 return builder.toString();
 143         }
 144 }