More cleanup:

- fixing import library
- changing compilation to only look for source files in the root and utility/ folders of a library; also adding utility/ sub-folder to the include path
- removing export to application
- renaming run to verify / compile and export to upload

app/src/processing/app/Base.java

@@ -984,7 +984,11 @@ public class Base {
 
     try {
       menu.removeAll();
-      addSketches(menu, examplesFolder, false);
+      boolean found = addSketches(menu, examplesFolder, false);
+      if (found) menu.addSeparator();
+      found = addSketches(menu, getSketchbookLibrariesFolder(), false);
+      if (found) menu.addSeparator();
+      addSketches(menu, librariesFolder, false);
     } catch (IOException e) {
       e.printStackTrace();
     }
@@ -1141,7 +1145,7 @@ public class Base {
 
         JMenuItem item = new JMenuItem(libraryName);
         item.addActionListener(listener);
-//        item.setActionCommand(libraryJar.getAbsolutePath());
+        item.setActionCommand(subfolder.getAbsolutePath());
         menu.add(item);
         ifound = true;
 

app/src/processing/app/Editor.java

@@ -488,7 +488,7 @@ public class Editor extends JFrame implements RunnerListener {
       });
     fileMenu.add(saveAsMenuItem);
 
-    item = newJMenuItem("Export", 'E');
+    item = newJMenuItem("Upload to I/O Board", 'U');
     item.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
           handleExport();
@@ -496,18 +496,6 @@ public class Editor extends JFrame implements RunnerListener {
       });
     fileMenu.add(item);
 
-    exportAppItem = newJMenuItemShift("Export Application", 'E');
-    exportAppItem.addActionListener(new ActionListener() {
-        public void actionPerformed(ActionEvent e) {
-          //buttons.activate(EditorButtons.EXPORT);
-          //SwingUtilities.invokeLater(new Runnable() {
-          //public void run() {
-          handleExportApplication();
-          //}});
-        }
-      });
-    fileMenu.add(exportAppItem);
-
     fileMenu.addSeparator();
 
     item = newJMenuItemShift("Page Setup", 'P');
@@ -556,7 +544,7 @@ public class Editor extends JFrame implements RunnerListener {
     JMenuItem item;
     sketchMenu = new JMenu("Sketch");
 
-    item = newJMenuItem("Run", 'R');
+    item = newJMenuItem("Verify / Compile", 'R');
     item.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
           handleRun(false);
@@ -564,13 +552,13 @@ public class Editor extends JFrame implements RunnerListener {
       });
     sketchMenu.add(item);
 
-    item = newJMenuItemShift("Present", 'R');
+//    item = newJMenuItemShift("Present", 'R');
-    item.addActionListener(new ActionListener() {
+//    item.addActionListener(new ActionListener() {
-        public void actionPerformed(ActionEvent e) {
+//        public void actionPerformed(ActionEvent e) {
-          handleRun(true);
+//          handleRun(true);
-        }
+//        }
-      });
+//      });
-    sketchMenu.add(item);
+//    sketchMenu.add(item);
 
     item = new JMenuItem("Stop");
     item.addActionListener(new ActionListener() {
@@ -2167,35 +2155,6 @@ public class Editor extends JFrame implements RunnerListener {
   }
 
 
-  /**
-   * Handler for Sketch → Export Application
-   */
-  synchronized public void handleExportApplication() {
-    if (!handleExportCheckModified()) return;
-    toolbar.activate(EditorToolbar.EXPORT);
-
-    //SwingUtilities.invokeLater(new Runnable() {
-    SwingUtilities.invokeLater(new Runnable() {
-        public void run() {
-          statusNotice("Exporting application...");
-          try {
-            if (sketch.exportApplicationPrompt()) {
-              Base.openFolder(sketch.getFolder());
-              statusNotice("Done exporting.");
-            } else {
-              // error message will already be visible
-              // or there was no error, in which case it was canceled.
-            }
-          } catch (Exception e) {
-            statusNotice("Error during export.");
-            e.printStackTrace();
-          }
-          //toolbar.clear();
-          toolbar.deactivate(EditorToolbar.EXPORT);
-        }});
-  }
-
-
   /**
    * Checks to see if the sketch has been modified, and if so,
    * asks the user to save the sketch or cancel the export.

app/src/processing/app/EditorToolbar.java

@@ -337,11 +337,7 @@ public class EditorToolbar extends JComponent implements MouseInputListener {
       break;
 
     case EXPORT:
-      if (e.isShiftDown()) {
-        editor.handleExportApplication();
-      } else {
       editor.handleExport();
-      }
       break;
     }
   }

app/src/processing/app/Sketch.java

@@ -1315,7 +1315,7 @@ public class Sketch {
     for (String item : preprocessor.getExtraImports()) {
       File libFolder = (File) Base.importToLibraryTable.get(item);
 
-      if (libFolder != null) {
+      if (libFolder != null && !importedLibraries.contains(libFolder)) {
         importedLibraries.add(libFolder);
         classPath += Compiler.contentsToClassPath(libFolder);
         libraryPath += File.pathSeparator + libFolder.getAbsolutePath();

app/src/processing/app/debug/Compiler.java

@@ -76,6 +76,7 @@ public class Compiler implements MessageConsumer {
     // use lib directories as include paths
     for (File file : sketch.getImportedLibraries()) {
       includePaths.add(file.getPath());
+      includePaths.add(file.getPath() + File.separator + "utility");
     }
     
     List baseCommandLinker = new ArrayList(Arrays.asList(new String[] {
@@ -111,8 +112,10 @@ public class Compiler implements MessageConsumer {
     sourceFilesCPP.addAll(findFilesInPath(target.getPath(), "cpp", true));
     
     for (File file : sketch.getImportedLibraries()) {
-      sourceFiles.addAll(findFilesInFolder(file, "c", true));
+      sourceFiles.addAll(findFilesInFolder(file, "c", false));
-      sourceFilesCPP.addAll(findFilesInFolder(file, "cpp", true));
+      sourceFiles.addAll(findFilesInFolder(new File(file, "utility"), "c", false));
+      sourceFilesCPP.addAll(findFilesInFolder(file, "cpp", false));
+      sourceFilesCPP.addAll(findFilesInFolder(new File(file, "utility"), "cpp", false));
     }
     
     firstErrorFound = false;  // haven't found any errors yet
@@ -485,6 +488,8 @@ public class Compiler implements MessageConsumer {
                                                   boolean recurse) {
     ArrayList<File> files = new ArrayList<File>();
     
+    if (folder.listFiles() == null) return files;
+    
     for (File file : folder.listFiles()) {
       if (file.getName().equals(".") || file.getName().equals("..")) continue;