X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2FDeleteBitOfTrackFunction.java;fp=src%2Ftim%2Fprune%2Ffunction%2FDeleteBitOfTrackFunction.java;h=eb145cd341456c5ff9fbbe149d6417bbe876e65c;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/DeleteBitOfTrackFunction.java b/src/tim/prune/function/DeleteBitOfTrackFunction.java
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+++ b/src/tim/prune/function/DeleteBitOfTrackFunction.java
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+package tim.prune.function;
+
+import javax.swing.JOptionPane;
+
+import tim.prune.App;
+import tim.prune.DataSubscriber;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.data.DataPoint;
+import tim.prune.data.TrackInfo;
+import tim.prune.undo.UndoDeleteRange;
+
+
+/**
+ * Abstract class to hold general deletion routines to delete
+ * either one or two track sections.  Forms parent class to
+ * the DeleteSelection and CropToSelection functions
+ */
+public abstract class DeleteBitOfTrackFunction extends GenericFunction
+{
+	/**
+	 * Constructor
+	 * @param inApp application object for callback
+	 */
+	public DeleteBitOfTrackFunction(App inApp)
+	{
+		super(inApp);
+	}
+
+	/**
+	 * @return key of undo text
+	 */
+	protected abstract String getUndoNameKey();
+
+	/**
+	 * Delete a single section
+	 * @param inStart1 start index of section
+	 * @param inEnd1 end index of section
+	 */
+	protected void deleteSection(int inStart1, int inEnd1)
+	{
+		deleteTwoSections(inStart1, inEnd1, -1, -1);
+	}
+
+	/**
+	 * Delete the two specified sections
+	 * @param inStart1 start index of first section to delete
+	 * @param inEnd1 end index of first section
+	 * @param inStart2 start index of second section to delete
+	 * @param inEnd2 end index of second section
+	 */
+	protected void deleteTwoSections(int inStart1, int inEnd1, int inStart2, int inEnd2)
+	{
+		boolean[] deleteAllOrNone = {false, false};
+		// TODO: Check for range overlap?  And test!
+		if (inStart1 < 0 || inEnd1 < 0 || inEnd1 < inStart1) {
+			inStart1 = inEnd1 = -1;
+		}
+		if (inStart2 < 0 || inEnd2 < 0 || inEnd2 < inStart2) {
+			inStart2 = inEnd2 = -1;
+		}
+		if ((inStart1 >= 0 && inEnd1 < inStart1)
+			|| (inStart2 >= 0 && (inStart2 < inEnd1 || inEnd2 <= inStart2)))
+		{
+			System.err.println("Invalid ranges: (" + inStart1 + " - " + inEnd1 + "), (" + inStart2 + " - " + inEnd2 + ")");
+			return;
+		}
+		// First section (if any)
+		int numPoints = inEnd1 - inStart1 + 1;
+		boolean[] deleteMedia1 = new boolean[numPoints];
+		int numDeleted1 = prepareDeleteMedia(inStart1, inEnd1, deleteAllOrNone, deleteMedia1);
+		if (numDeleted1 < 0) return;
+
+		// Second section (if any)
+		numPoints = inEnd2 - inStart2 + 1;
+		boolean[] deleteMedia2 = new boolean[numPoints];
+		int numDeleted2 = prepareDeleteMedia(inStart2, inEnd2, deleteAllOrNone, deleteMedia2);
+		if (numDeleted2 < 0) return;
+		int numDeleted = numDeleted1 + numDeleted2;
+		if (numDeleted <= 0) return;
+
+		// create undo object
+		UndoDeleteRange undo = new UndoDeleteRange(_app.getTrackInfo(), getUndoNameKey(),
+			inStart1, deleteMedia1, inStart2, deleteMedia2);
+
+		// Loop through media to remove or disconnect
+		if (numDeleted1 > 0) {
+			resolveMedia(_app.getTrackInfo(), inStart1, deleteMedia1);
+		}
+		if (numDeleted2 > 0) {
+			resolveMedia(_app.getTrackInfo(), inStart2, deleteMedia2);
+		}
+
+		// Call track to delete ranges 1 and 2
+		if (numDeleted2 > 0) { // delete range2 first
+			_app.getTrackInfo().getTrack().deleteRange(inStart2, inEnd2);
+		}
+		if (numDeleted1 > 0) { // delete range1 first
+			_app.getTrackInfo().getTrack().deleteRange(inStart1, inEnd1);
+		}
+
+		// clear selection and notify
+		_app.getTrackInfo().getSelection().clearAll();
+		UpdateMessageBroker.informSubscribers(DataSubscriber.DATA_ADDED_OR_REMOVED);
+
+		// pass back to _app
+		_app.completeFunction(undo, "" + numDeleted + " "
+			+ I18nManager.getText("confirm.deletepoint.multi"));
+	}
+
+	/**
+	 * Prepare to delete the media in the given section, including prompting to delete or not
+	 * @param inStart start index of the range to delete
+	 * @param inEnd end index
+	 * @param inDeleteAllOrNone boolean flags for delete all and delete none, held in an array
+	 * @param inDeleteMedia boolean flag for each point, whether to delete media or not
+	 * @return number of points to delete
+	 */
+	private int prepareDeleteMedia(int inStart, int inEnd, boolean[] inDeleteAllOrNone, boolean[] inDeleteMedia)
+	{
+		// Check sanity of inputs
+		if (inStart < 0 || inEnd < 0 || inEnd < inStart) return 0;
+		final int numPoints = inEnd - inStart + 1;
+		if (inDeleteAllOrNone == null || inDeleteAllOrNone.length != 2
+			|| inDeleteMedia == null || inDeleteMedia.length != numPoints) {
+			return 0;
+		}
+
+		// define buttons on prompt
+		String[] questionOptions = {I18nManager.getText("button.yes"), I18nManager.getText("button.no"),
+			I18nManager.getText("button.yestoall"), I18nManager.getText("button.notoall"),
+			I18nManager.getText("button.cancel")};
+
+		// Loop over points to check for media
+		for (int i=0; i<numPoints; i++)
+		{
+			DataPoint point = _app.getTrackInfo().getTrack().getPoint(inStart + i);
+			if (point.hasMedia())
+			{
+				// point has either photo or audio
+				if (inDeleteAllOrNone[0]) // delete all has already been selected
+				{
+					inDeleteMedia[i] = true;
+				}
+				else if (inDeleteAllOrNone[1]) // delete none has already been selected
+				{
+					inDeleteMedia[i] = false;
+				}
+				else
+				{
+					int response = JOptionPane.showOptionDialog(_app.getFrame(),
+						I18nManager.getText("dialog.deletepoint.deletephoto") + " " + point.getMediaName(),
+						I18nManager.getText("dialog.deletepoint.title"),
+						JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null,
+						questionOptions, questionOptions[1]);
+					// check for cancel or close
+					if (response == 4 || response == -1) {return -1;}
+					// check for yes or yes to all
+					if (response == 0 || response == 2)
+					{
+						inDeleteMedia[i] = true;
+						if (response == 2) {inDeleteAllOrNone[0] = true;}
+					}
+					// check for no to all
+					if (response == 3) {inDeleteAllOrNone[1] = true;}
+				}
+			}
+		}
+		return numPoints;
+	}
+
+	/**
+	 * Resolve the media from the given points by either detaching or deleting
+	 * @param inTrack track object
+	 * @param inStart start index of range
+	 * @param inDeleteFlags media deletion flags
+	 */
+	private static void resolveMedia(TrackInfo inTrackInfo, int inStart, boolean[] inDeleteFlags)
+	{
+		for (int i=0; i<inDeleteFlags.length; i++)
+		{
+			DataPoint point = inTrackInfo.getTrack().getPoint(i + inStart);
+			if (point != null && point.hasMedia())
+			{
+				if (inDeleteFlags[i])
+				{
+					// delete photo and/or audio from lists
+					if (point.getPhoto() != null) {
+						inTrackInfo.getPhotoList().deletePhoto(inTrackInfo.getPhotoList().getPhotoIndex(point.getPhoto()));
+					}
+					if (point.getAudio() != null) {
+						inTrackInfo.getAudioList().deleteAudio(inTrackInfo.getAudioList().getAudioIndex(point.getAudio()));
+					}
+				}
+				else
+				{
+					// decouple photo and/or audio from point
+					if (point.getPhoto() != null) {
+						point.getPhoto().setDataPoint(null);
+					}
+					if (point.getAudio() != null) {
+						point.getAudio().setDataPoint(null);
+					}
+				}
+			}
+		}
+	}
+}