X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2Fbabel%2FDistanceFilter.java;fp=src%2Ftim%2Fprune%2Fload%2Fbabel%2FDistanceFilter.java;h=4826bc872e864e2c67580d12c5999ffbd5492331;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/babel/DistanceFilter.java b/src/tim/prune/load/babel/DistanceFilter.java
new file mode 100644
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();
+	}
+}