Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / function / compress / MarkAndDeleteFunction.java

diff --git a/src/tim/prune/function/compress/MarkAndDeleteFunction.java b/src/tim/prune/function/compress/MarkAndDeleteFunction.java
new file mode 100644 (file)
index 0000000..dddc897
--- /dev/null
+++ b/src/tim/prune/function/compress/MarkAndDeleteFunction.java
@@ -0,0 +1,62 @@
+package tim.prune.function.compress;
+
+import javax.swing.JOptionPane;
+
+import tim.prune.App;
+import tim.prune.FunctionLibrary;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+
+/**
+ * Superclass of those functions which mark points for deletion
+ * (and optionally delete them automatically)
+ */
+public abstract class MarkAndDeleteFunction extends GenericFunction
+{
+       /** flag to remember whether the automatic deletion has been set to always */
+       private boolean _automaticallyDelete = false;
+
+
+       /**
+        * Constructor
+        * @param inApp App object
+        */
+       public MarkAndDeleteFunction(App inApp)
+       {
+               super(inApp);
+       }
+
+       /**
+        * optionally delete the marked points
+        */
+       protected void optionallyDeleteMarkedPoints(int inNumMarked)
+       {
+               // Allow calling of delete function with one click
+               final String[] buttonTexts = {I18nManager.getText("button.yes"), I18nManager.getText("button.no"),
+                       I18nManager.getText("button.always")};
+               int answer = _automaticallyDelete ? JOptionPane.YES_OPTION :
+                       JOptionPane.showOptionDialog(_parentFrame,
+                       I18nManager.getTextWithNumber("dialog.compress.confirm", inNumMarked),
+                       I18nManager.getText(getNameKey()), JOptionPane.YES_NO_CANCEL_OPTION,
+                       JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1]);
+               if (answer == JOptionPane.CANCEL_OPTION) {_automaticallyDelete = true;} // "always" is third option
+
+               // Make sure function knows what to do, whether we'll call it now or later
+               FunctionLibrary.FUNCTION_DELETE_MARKED_POINTS.setParentFunction(
+                               getNameKey(), getShouldSplitSegments());
+               if (_automaticallyDelete || answer == JOptionPane.YES_OPTION)
+               {
+                       new Thread(new Runnable() {
+                               public void run()
+                               {
+                                       FunctionLibrary.FUNCTION_DELETE_MARKED_POINTS.begin();
+                               }
+                       }).start();
+               }
+       }
+
+       /** by default, segments are not split at deleted points */
+       protected boolean getShouldSplitSegments() {
+               return false;
+       }
+}