Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / load / babel / DistanceFilter.java

diff --git a/src/tim/prune/load/babel/DistanceFilter.java b/src/tim/prune/load/babel/DistanceFilter.java
new file mode 100644 (file)
index 0000000..4826bc8
--- /dev/null
+++ b/src/tim/prune/load/babel/DistanceFilter.java
@@ -0,0 +1,104 @@
+package tim.prune.load.babel;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.GridLayout;
+
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import tim.prune.I18nManager;
+import tim.prune.gui.DecimalNumberField;
+import tim.prune.gui.WholeNumberField;
+
+/**
+ * Distance filter for GPSBabel (compress by distance, or nearby points)
+ */
+public class DistanceFilter extends FilterDefinition
+{
+       /** Constructor */
+       public DistanceFilter(AddFilterDialog inFilterDialog)
+       {
+               super(inFilterDialog);
+               makePanelContents();
+       }
+
+       private DecimalNumberField _distField = null;
+       private JComboBox<String> _distUnitsCombo = null;
+       private WholeNumberField _secondsField = null;
+
+
+       /** @return filter name */
+       protected String getFilterName() {
+               return "position";
+       }
+
+       /** Make the panel contents */
+       protected void makePanelContents()
+       {
+               setLayout(new BorderLayout());
+               JPanel boxPanel = new JPanel();
+               boxPanel.setLayout(new BoxLayout(boxPanel, BoxLayout.Y_AXIS));
+               add(boxPanel, BorderLayout.NORTH);
+               JLabel topLabel = new JLabel(I18nManager.getText("dialog.gpsbabel.filter.distance.intro"));
+               topLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
+               boxPanel.add(topLabel);
+               boxPanel.add(Box.createVerticalStrut(18)); // spacer
+               // Main three-column grid
+               JPanel gridPanel = new JPanel();
+               gridPanel.setLayout(new GridLayout(0, 3, 4, 4));
+               gridPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.distance.distance")));
+               _distField = new DecimalNumberField();
+               _distField.addKeyListener(_paramChangeListener);
+               gridPanel.add(_distField);
+               _distUnitsCombo = new JComboBox<String>(new String[] {I18nManager.getText("units.metres"), I18nManager.getText("units.feet")});
+               gridPanel.add(_distUnitsCombo);
+               gridPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.distance.time")));
+               _secondsField = new WholeNumberField(4);
+               _secondsField.addKeyListener(_paramChangeListener);
+               gridPanel.add(_secondsField);
+               gridPanel.add(new JLabel(I18nManager.getText("units.seconds")));
+               gridPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+               boxPanel.add(gridPanel);
+       }
+
+       /**
+        * @return true if the filters are valid
+        */
+       public boolean isFilterValid()
+       {
+               if (_distField.getText() == null || _distField.getText().trim().equals("")) {
+                       return false; // no distance given
+               }
+               final boolean timeGiven = _secondsField.getText() != null && _secondsField.getText().trim().length() > 0;
+               if (timeGiven && _secondsField.getValue() <= 1) {
+                       return false; // must have a decent number of seconds
+               }
+               // check the distance
+               return (_distField.getValue() > 0.001); // no zero or negative distances allowed
+       }
+
+       /**
+        * @return filter parameters as a string, or null
+        */
+       protected String getParameters()
+       {
+               if (!isFilterValid()) return null;
+               StringBuilder builder = new StringBuilder();
+               // Get the distance
+               double dValue = _distField.getValue();
+               builder.append(",distance=").append(dValue);
+               // units of distance (miles by default)
+               builder.append(_distUnitsCombo.getSelectedIndex() == 0 ? "m" : "f"); // metres or feet
+
+               // is there a time as well?
+               final boolean timeGiven = _secondsField.getText() != null && _secondsField.getText().trim().length() > 0;
+               if (timeGiven) {
+                       builder.append(",time=").append(_secondsField.getValue()); // no s at the end
+               }
+               return builder.toString();
+       }
+}