--- /dev/null
+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);
+ }
+ }
+ }
+ }
+ }
+}
projects / GpsPrune.git / blobdiff