fixes for several small "save as" bugs

app/PdeSketch.java

@@ -585,7 +585,11 @@ public class PdeSketch {
                                    "Save sketch folder as...",
                                    FileDialog.SAVE);
     // always default to the sketchbook folder..
-    fd.setDirectory(PdePreferences.get("sketchbook.path"));
+    //fd.setDirectory(PdePreferences.get("sketchbook.path"));
+    fd.setDirectory(folder.getParent());
+    fd.setFile(folder.getName());
+    //System.out.println("setting to " + folder.getParent());
+
     // TODO or maybe this should default to the
     //      parent dir of the old folder?
 
@@ -608,6 +612,22 @@ public class PdeSketch {
       return false;
     }
 
+    // check to see if the user is trying to save this sketch
+    // inside the same sketch
+    try {
+      String newPath = newFolder.getCanonicalPath() + File.separator;
+      String oldPath = folder.getCanonicalPath() + File.separator;
+      //System.out.println(newPath);
+      //System.out.println(oldPath);
+
+      if (newPath.indexOf(oldPath) == 0) {
+        PdeBase.showWarning("How very Borges of you",
+                            "You cannot save the sketch into a folder\n" +
+                            "inside itself. This would go on forever.", null);
+        return false;
+      }
+    } catch (IOException e) { }
+
     // copy the entire contents of the sketch folder
     PdeBase.copyDir(folder, newFolder);
 
@@ -651,6 +671,9 @@ public class PdeSketch {
     //sketchbook.rebuildMenu();
     // done inside PdeEditor instead
 
+    // update the tabs for the name change
+    editor.header.repaint();
+
     // let PdeEditor know that the save was successful
     return true;
   }

todo.txt

@@ -23,12 +23,11 @@ X   not really separate files, so that could be trouble.
 X add file of a .pde or .java file should update the tabs bar
 X   and prolly not really complain if it's in the same folder
 X dim "rename" when the main tab is selected (since user needs to "save as")
-
-saving issues
-_ "save as" not properly updating the tab header
-_ also include the name of the previous sketch for "save as"
-_ prevent folks from saving a sketch inside its own folder
-_   will cause bizarro recursive folder action
+X "save ass" issues
+X   "save as" not properly updating the tab header
+X   also include the name of the previous sketch for "save as"
+X   prevent folks from saving a sketch inside its own folder
+X     will cause bizarro recursive folder action
 
 _ allow to use doubles on casting -- particularly for Math.cos() et al