Moved source into separate src directory due to popular request

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

diff --git a/src/tim/prune/load/babel/InterpolateFilter.java b/src/tim/prune/load/babel/InterpolateFilter.java
new file mode 100644 (file)
index 0000000..9670fb2
--- /dev/null
+++ b/src/tim/prune/load/babel/InterpolateFilter.java
@@ -0,0 +1,112 @@
+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;
+
+/**
+ * Interpolate filter for GPSBabel (adding extra points, does that make it still a filter?)
+ * Very similar to the distance filter in terms of gui
+ */
+public class InterpolateFilter extends FilterDefinition
+{
+       /** Constructor */
+       public InterpolateFilter(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 "interpolate";
+       }
+
+       /** 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.interpolate.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.interpolate.distance")));
+               _distField = new DecimalNumberField();
+               _distField.addKeyListener(_paramChangeListener);
+               gridPanel.add(_distField);
+               _distUnitsCombo = new JComboBox<String>(new String[] {I18nManager.getText("units.kilometres"), I18nManager.getText("units.miles")});
+               gridPanel.add(_distUnitsCombo);
+               gridPanel.add(new JLabel(I18nManager.getText("dialog.gpsbabel.filter.interpolate.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()
+       {
+               final boolean distGiven = _distField.getText() != null && _distField.getText().trim().length() > 0;
+               final boolean timeGiven = _secondsField.getText() != null && _secondsField.getText().trim().length() > 0;
+               if ((!distGiven && !timeGiven) || (distGiven && timeGiven)) {
+                       return false; // either one or the other, not both
+               }
+               if (distGiven && _distField.getValue() < 0.0001) {
+                       return false; // must have a decent distance
+               }
+               if (timeGiven && _secondsField.getValue() <= 1) {
+                       return false; // must have a decent number of seconds
+               }
+               // must be ok
+               return true;
+       }
+
+       /**
+        * @return filter parameters as a string, or null
+        */
+       protected String getParameters()
+       {
+               if (!isFilterValid()) return null;
+               StringBuilder builder = new StringBuilder();
+               final boolean distGiven = _distField.getText() != null && _distField.getText().trim().length() > 0;
+               final boolean timeGiven = _secondsField.getText() != null && _secondsField.getText().trim().length() > 0;
+               if (distGiven)
+               {
+                       // Get the distance
+                       double dValue = _distField.getValue();
+                       builder.append(",distance=").append(dValue);
+                       // units of distance (km or miles)
+                       builder.append(_distUnitsCombo.getSelectedIndex() == 0 ? "k" : "m");
+               }
+               else if (timeGiven) {
+                       // time
+                       builder.append(",time=").append(_secondsField.getValue()); // no s at the end
+               }
+               return builder.toString();
+       }
+}