1 package tim.prune.function;
3 import javax.swing.JOptionPane;
6 import tim.prune.DataSubscriber;
7 import tim.prune.GenericFunction;
8 import tim.prune.I18nManager;
9 import tim.prune.UpdateMessageBroker;
10 import tim.prune.data.DataPoint;
11 import tim.prune.data.TrackInfo;
12 import tim.prune.undo.UndoDeleteRange;
16 * Abstract class to hold general deletion routines to delete
17 * either one or two track sections. Forms parent class to
18 * the DeleteSelection and CropToSelection functions
20 public abstract class DeleteBitOfTrackFunction extends GenericFunction
24 * @param inApp application object for callback
26 public DeleteBitOfTrackFunction(App inApp)
32 * @return key of undo text
34 protected abstract String getUndoNameKey();
37 * Delete a single section
38 * @param inStart1 start index of section
39 * @param inEnd1 end index of section
41 protected void deleteSection(int inStart1, int inEnd1)
43 deleteTwoSections(inStart1, inEnd1, -1, -1);
47 * Delete the two specified sections
48 * @param inStart1 start index of first section to delete
49 * @param inEnd1 end index of first section
50 * @param inStart2 start index of second section to delete
51 * @param inEnd2 end index of second section
53 protected void deleteTwoSections(int inStart1, int inEnd1, int inStart2, int inEnd2)
55 boolean[] deleteAllOrNone = {false, false};
56 // TODO: Check for range overlap? And test!
57 if (inStart1 < 0 || inEnd1 < 0 || inEnd1 < inStart1) {
58 inStart1 = inEnd1 = -1;
60 if (inStart2 < 0 || inEnd2 < 0 || inEnd2 < inStart2) {
61 inStart2 = inEnd2 = -1;
63 if ((inStart1 >= 0 && inEnd1 < inStart1)
64 || (inStart2 >= 0 && (inStart2 < inEnd1 || inEnd2 <= inStart2)))
66 System.err.println("Invalid ranges: (" + inStart1 + " - " + inEnd1 + "), (" + inStart2 + " - " + inEnd2 + ")");
69 // First section (if any)
70 int numPoints = inEnd1 - inStart1 + 1;
71 boolean[] deleteMedia1 = new boolean[numPoints];
72 int numDeleted1 = prepareDeleteMedia(inStart1, inEnd1, deleteAllOrNone, deleteMedia1);
73 if (numDeleted1 < 0) return;
75 // Second section (if any)
76 numPoints = inEnd2 - inStart2 + 1;
77 boolean[] deleteMedia2 = new boolean[numPoints];
78 int numDeleted2 = prepareDeleteMedia(inStart2, inEnd2, deleteAllOrNone, deleteMedia2);
79 if (numDeleted2 < 0) return;
80 int numDeleted = numDeleted1 + numDeleted2;
81 if (numDeleted <= 0) return;
84 UndoDeleteRange undo = new UndoDeleteRange(_app.getTrackInfo(), getUndoNameKey(),
85 inStart1, deleteMedia1, inStart2, deleteMedia2);
87 // Loop through media to remove or disconnect
88 if (numDeleted1 > 0) {
89 resolveMedia(_app.getTrackInfo(), inStart1, deleteMedia1);
91 if (numDeleted2 > 0) {
92 resolveMedia(_app.getTrackInfo(), inStart2, deleteMedia2);
95 // Call track to delete ranges 1 and 2
96 if (numDeleted2 > 0) { // delete range2 first
97 _app.getTrackInfo().getTrack().deleteRange(inStart2, inEnd2);
99 if (numDeleted1 > 0) { // delete range1 first
100 _app.getTrackInfo().getTrack().deleteRange(inStart1, inEnd1);
103 // clear selection and notify
104 _app.getTrackInfo().getSelection().clearAll();
105 UpdateMessageBroker.informSubscribers(DataSubscriber.DATA_ADDED_OR_REMOVED);
108 _app.completeFunction(undo, "" + numDeleted + " "
109 + I18nManager.getText("confirm.deletepoint.multi"));
113 * Prepare to delete the media in the given section, including prompting to delete or not
114 * @param inStart start index of the range to delete
115 * @param inEnd end index
116 * @param inDeleteAllOrNone boolean flags for delete all and delete none, held in an array
117 * @param inDeleteMedia boolean flag for each point, whether to delete media or not
118 * @return number of points to delete
120 private int prepareDeleteMedia(int inStart, int inEnd, boolean[] inDeleteAllOrNone, boolean[] inDeleteMedia)
122 // Check sanity of inputs
123 if (inStart < 0 || inEnd < 0 || inEnd < inStart) return 0;
124 final int numPoints = inEnd - inStart + 1;
125 if (inDeleteAllOrNone == null || inDeleteAllOrNone.length != 2
126 || inDeleteMedia == null || inDeleteMedia.length != numPoints) {
130 // define buttons on prompt
131 String[] questionOptions = {I18nManager.getText("button.yes"), I18nManager.getText("button.no"),
132 I18nManager.getText("button.yestoall"), I18nManager.getText("button.notoall"),
133 I18nManager.getText("button.cancel")};
135 // Loop over points to check for media
136 for (int i=0; i<numPoints; i++)
138 DataPoint point = _app.getTrackInfo().getTrack().getPoint(inStart + i);
139 if (point.hasMedia())
141 // point has either photo or audio
142 if (inDeleteAllOrNone[0]) // delete all has already been selected
144 inDeleteMedia[i] = true;
146 else if (inDeleteAllOrNone[1]) // delete none has already been selected
148 inDeleteMedia[i] = false;
152 int response = JOptionPane.showOptionDialog(_app.getFrame(),
153 I18nManager.getText("dialog.deletepoint.deletephoto") + " " + point.getMediaName(),
154 I18nManager.getText("dialog.deletepoint.title"),
155 JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null,
156 questionOptions, questionOptions[1]);
157 // check for cancel or close
158 if (response == 4 || response == -1) {return -1;}
159 // check for yes or yes to all
160 if (response == 0 || response == 2)
162 inDeleteMedia[i] = true;
163 if (response == 2) {inDeleteAllOrNone[0] = true;}
165 // check for no to all
166 if (response == 3) {inDeleteAllOrNone[1] = true;}
174 * Resolve the media from the given points by either detaching or deleting
175 * @param inTrack track object
176 * @param inStart start index of range
177 * @param inDeleteFlags media deletion flags
179 private static void resolveMedia(TrackInfo inTrackInfo, int inStart, boolean[] inDeleteFlags)
181 for (int i=0; i<inDeleteFlags.length; i++)
183 DataPoint point = inTrackInfo.getTrack().getPoint(i + inStart);
184 if (point != null && point.hasMedia())
186 if (inDeleteFlags[i])
188 // delete photo and/or audio from lists
189 if (point.getPhoto() != null) {
190 inTrackInfo.getPhotoList().deletePhoto(inTrackInfo.getPhotoList().getPhotoIndex(point.getPhoto()));
192 if (point.getAudio() != null) {
193 inTrackInfo.getAudioList().deleteAudio(inTrackInfo.getAudioList().getAudioIndex(point.getAudio()));
198 // decouple photo and/or audio from point
199 if (point.getPhoto() != null) {
200 point.getPhoto().setDataPoint(null);
202 if (point.getAudio() != null) {
203 point.getAudio().setDataPoint(null);