tim/prune/function/RearrangePhotosFunction.java

   1 package tim.prune.function;
   2
   3 import java.util.Arrays;
   4 import javax.swing.JOptionPane;
   5 import tim.prune.App;
   6 import tim.prune.I18nManager;
   7 import tim.prune.data.DataPoint;
   8 import tim.prune.data.Track;
   9 import tim.prune.data.sort.PhotoComparer;
  10 import tim.prune.data.sort.SortMode;
  11 import tim.prune.undo.UndoRearrangePhotos;
  12
  13 /**
  14  * Class to provide the function for rearranging photo points
  15  */
  16 public class RearrangePhotosFunction extends RearrangeFunction
  17 {
  18         /**
  19          * Constructor
  20          * @param inApp app object
  21          */
  22         public RearrangePhotosFunction(App inApp)
  23         {
  24                 super(inApp, false);
  25         }
  26
  27         /** Get the name key */
  28         public String getNameKey() {
  29                 return "function.rearrangephotos";
  30         }
  31
  32         /** Get the description key */
  33         public String getDescriptionKey() {
  34                 return "dialog.rearrangephotos.desc";
  35         }
  36
  37         /** Sort by filename key */
  38         protected String getSortNameKey() {
  39                 return "sortbyfilename";
  40         }
  41
  42         /**
  43          * Perform the rearrange
  44          */
  45         protected void finish()
  46         {
  47                 Track track = _app.getTrackInfo().getTrack();
  48                 UndoRearrangePhotos undo = new UndoRearrangePhotos(track);
  49                 // Loop through track collecting non-photo points and photo points
  50                 final int numPoints = track.getNumPoints();
  51                 DataPoint[] nonPhotos = new DataPoint[numPoints];
  52                 DataPoint[] photos = new DataPoint[numPoints];
  53                 int numNonPhotos = 0;
  54                 int numPhotos = 0;
  55                 for (int i=0; i<numPoints; i++)
  56                 {
  57                         DataPoint point = track.getPoint(i);
  58                         if (point.getPhoto() != null)
  59                         {
  60                                 photos[numPhotos] = point;
  61                                 numPhotos++;
  62                         }
  63                         else
  64                         {
  65                                 nonPhotos[numNonPhotos] = point;
  66                                 numNonPhotos++;
  67                         }
  68                 }
  69                 boolean pointsChanged = false;
  70                 if (numPhotos > 0)
  71                 {
  72                         Rearrange rearrangeOption = getRearrangeOption();
  73                         SortMode sortOption = getSortMode();
  74                         // Sort photos if necessary
  75                         if (sortOption != SortMode.DONT_SORT && numPhotos > 1) {
  76                                 sortPhotos(photos, sortOption);
  77                         }
  78                         // Put the non-photo points and photo points together
  79                         DataPoint[] neworder = new DataPoint[numPoints];
  80                         if (rearrangeOption == Rearrange.TO_START)
  81                         {
  82                                 // photos at front
  83                                 System.arraycopy(photos, 0, neworder, 0, numPhotos);
  84                                 System.arraycopy(nonPhotos, 0, neworder, numPhotos, numNonPhotos);
  85                         }
  86                         else
  87                         {
  88                                 // photos at end
  89                                 System.arraycopy(nonPhotos, 0, neworder, 0, numNonPhotos);
  90                                 System.arraycopy(photos, 0, neworder, numNonPhotos, numPhotos);
  91                         }
  92
  93                         // Give track the new point order
  94                         pointsChanged = track.replaceContents(neworder);
  95                 }
  96                 // did anything change?
  97                 if (pointsChanged)
  98                 {
  99                         _app.getTrackInfo().getSelection().clearAll();
 100                         _app.completeFunction(undo, I18nManager.getText("confirm.rearrangephotos"));
 101                         // Note: subscribers are informed up to three times now
 102                 }
 103                 else
 104                 {
 105                         JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.rearrange.noop"),
 106                                 I18nManager.getText("error.function.noop.title"), JOptionPane.WARNING_MESSAGE);
 107                 }
 108         }
 109
 110         /**
 111          * Sort the given photo list either by filename or by time
 112          * @param inPhotos array of DataPoint objects to sort
 113          * @param inSortOrder sort order
 114          * @return sorted array
 115          */
 116         private static void sortPhotos(DataPoint[] inPhotos, SortMode inSortMode)
 117         {
 118                 PhotoComparer comparer = new PhotoComparer(inSortMode);
 119                 Arrays.sort(inPhotos, comparer);
 120         }
 121 }