src/tim/prune/function/compress/MarkAndDeleteFunction.java

   1 package tim.prune.function.compress;
   2
   3 import javax.swing.JOptionPane;
   4
   5 import tim.prune.App;
   6 import tim.prune.FunctionLibrary;
   7 import tim.prune.GenericFunction;
   8 import tim.prune.I18nManager;
   9
  10 /**
  11  * Superclass of those functions which mark points for deletion
  12  * (and optionally delete them automatically)
  13  */
  14 public abstract class MarkAndDeleteFunction extends GenericFunction
  15 {
  16         /** flag to remember whether the automatic deletion has been set to always */
  17         private boolean _automaticallyDelete = false;
  18
  19
  20         /**
  21          * Constructor
  22          * @param inApp App object
  23          */
  24         public MarkAndDeleteFunction(App inApp)
  25         {
  26                 super(inApp);
  27         }
  28
  29         /**
  30          * optionally delete the marked points
  31          */
  32         protected void optionallyDeleteMarkedPoints(int inNumMarked)
  33         {
  34                 // Allow calling of delete function with one click
  35                 final String[] buttonTexts = {I18nManager.getText("button.yes"), I18nManager.getText("button.no"),
  36                         I18nManager.getText("button.always")};
  37                 int answer = _automaticallyDelete ? JOptionPane.YES_OPTION :
  38                         JOptionPane.showOptionDialog(_parentFrame,
  39                         I18nManager.getTextWithNumber("dialog.compress.confirm", inNumMarked),
  40                         I18nManager.getText(getNameKey()), JOptionPane.YES_NO_CANCEL_OPTION,
  41                         JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1]);
  42                 if (answer == JOptionPane.CANCEL_OPTION) {_automaticallyDelete = true;} // "always" is third option
  43
  44                 // Make sure function knows what to do, whether we'll call it now or later
  45                 FunctionLibrary.FUNCTION_DELETE_MARKED_POINTS.setParentFunction(
  46                                 getNameKey(), getShouldSplitSegments());
  47                 if (_automaticallyDelete || answer == JOptionPane.YES_OPTION)
  48                 {
  49                         new Thread(new Runnable() {
  50                                 public void run()
  51                                 {
  52                                         FunctionLibrary.FUNCTION_DELETE_MARKED_POINTS.begin();
  53                                 }
  54                         }).start();
  55                 }
  56         }
  57
  58         /** by default, segments are not split at deleted points */
  59         protected boolean getShouldSplitSegments() {
  60                 return false;
  61         }
  62 }