X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fsew%2FSplitSegmentsFunction.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fsew%2FSplitSegmentsFunction.java;h=6fec0754155f7cb667466234b19434229506633a;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/sew/SplitSegmentsFunction.java b/src/tim/prune/function/sew/SplitSegmentsFunction.java
new file mode 100644
index 0000000..6fec075
--- /dev/null
+++ b/src/tim/prune/function/sew/SplitSegmentsFunction.java
@@ -0,0 +1,85 @@
+package tim.prune.function.sew;
+
+import javax.swing.JOptionPane;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.data.DataPoint;
+import tim.prune.function.DistanceTimeLimitFunction;
+import tim.prune.undo.UndoSplitSegments;
+
+/**
+ * Function to split a track into segments using
+ * either a distance limit or a time limit
+ */
+public class SplitSegmentsFunction extends DistanceTimeLimitFunction
+{
+	/**
+	 * Constructor
+	 */
+	public SplitSegmentsFunction(App inApp) {
+		super(inApp);
+	}
+
+	/**
+	 * @return name key
+	 */
+	public String getNameKey() {
+		return "function.splitsegments";
+	}
+
+
+	/**
+	 * The dialog has been completed and OK pressed, so do the split
+	 */
+	protected void performFunction()
+	{
+		// Split either by distance or time
+		final int timeLimitSeconds = getTimeLimitInSeconds();
+		final boolean splitByTime = (timeLimitSeconds > 0);
+		final double distLimitRadians = getDistanceLimitRadians();
+		final boolean splitByDistance = (distLimitRadians > 0.0);
+		if (!splitByTime && !splitByDistance) {
+			return; // neither option selected
+		}
+
+		// Make undo object
+		UndoSplitSegments undo = new UndoSplitSegments(_app.getTrackInfo().getTrack());
+		final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
+		DataPoint currPoint = null, prevPoint = null;
+		int numSplitsMade = 0;
+
+		// Now actually do it, looping through the points in the track
+		for (int i=0; i<numPoints; i++)
+		{
+			currPoint = _app.getTrackInfo().getTrack().getPoint(i);
+			if (!currPoint.isWaypoint())
+			{
+				boolean splitHere = (prevPoint != null)
+					&& ((splitByDistance && DataPoint.calculateRadiansBetween(prevPoint, currPoint) > distLimitRadians)
+						|| (splitByTime && currPoint.hasTimestamp() && prevPoint.hasTimestamp()
+							&& currPoint.getTimestamp().getSecondsSince(prevPoint.getTimestamp()) > timeLimitSeconds));
+				if (splitHere && !currPoint.getSegmentStart())
+				{
+					currPoint.setSegmentStart(true);
+					numSplitsMade++;
+				}
+				prevPoint = currPoint;
+			}
+		}
+
+		if (numSplitsMade > 0)
+		{
+			_app.completeFunction(undo, I18nManager.getTextWithNumber("confirm.splitsegments", numSplitsMade));
+			UpdateMessageBroker.informSubscribers();
+			_dialog.dispose();
+		}
+		else
+		{
+			// Complain that no split was made
+			JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.tracksplit.nosplit"),
+				I18nManager.getText("error.function.noop.title"), JOptionPane.WARNING_MESSAGE);
+		}
+	}
+}