Added File > Recent menu: shows last 5 opened sketches, sorted in reverse chronological order

app/src/processing/app/Base.java

@@ -86,6 +86,8 @@ public class Base {
     }
   };
 
+  private static final int RECENT_SKETCHES_MAX_SIZE = 5;
+
   private static boolean commandLine;
   public static volatile Base INSTANCE;
 
@@ -117,6 +119,7 @@ public class Base {
   private volatile Action openBoardsManager;
 
   private final PdeKeywords pdeKeywords;
+  private final List<JMenuItem> recentSketchesMenuItems;
 
   static public void main(String args[]) throws Exception {
     System.setProperty("awt.useSystemAAFontSettings", "on");
@@ -269,6 +272,7 @@ public class Base {
 
   public Base(String[] args) throws Exception {
     BaseNoGui.notifier = new GUIUserNotifier(this);
+    this.recentSketchesMenuItems = new LinkedList<JMenuItem>();
 
     String sketchbookPath = BaseNoGui.getSketchbookPath();
 
@@ -316,7 +320,7 @@ public class Base {
       boolean showEditor = parser.isGuiMode();
       if (!parser.isForceSavePrefs())
         PreferencesData.setDoSave(showEditor);
-      if (handleOpen(file, nextEditorLocation(), showEditor) == null) {
+      if (handleOpen(file, nextEditorLocation(), showEditor, false) == null) {
         String mess = I18n.format(_("Failed to open sketch: \"{0}\""), path);
         // Open failure is fatal in upload/verify mode
         if (parser.isVerifyOrUploadMode())
@@ -547,7 +551,7 @@ public class Base {
         location = nextEditorLocation();
       }
       // If file did not exist, null will be returned for the Editor
-      if (handleOpen(new File(path), location, true, false) != null) {
+      if (handleOpen(new File(path), location, true, false, false) != null) {
         opened++;
       }
     }
@@ -594,12 +598,25 @@ public class Base {
     PreferencesData.setInteger("last.sketch.count", index);
   }
 
+  protected void storeRecentSketches(Sketch sketch) {
+    if (sketch.isUntitled()) {
+      return;
+    }
+
+    Set<String> sketches = new LinkedHashSet<String>();
+    sketches.add(sketch.getMainFilePath());
+    sketches.addAll(PreferencesData.getCollection("recent.sketches"));
+
+    PreferencesData.setCollection("recent.sketches", sketches);
+  }
+
   // Because of variations in native windowing systems, no guarantees about
   // changes to the focused and active Windows can be made. Developers must
   // never assume that this Window is the focused or active Window until this
   // Window receives a WINDOW_GAINED_FOCUS or WINDOW_ACTIVATED event.
   protected void handleActivated(Editor whichEditor) {
     activeEditor = whichEditor;
+    activeEditor.rebuildRecentSketchesMenu();
 
     // set the current window to be the console that's getting output
     EditorConsoleStream.setCurrent(activeEditor.console);
@@ -728,8 +745,7 @@ public class Base {
     try {
       File file = createNewUntitled();
       if (file != null) {
-        Editor editor = handleOpen(file);
-        editor.untitled = true;
+        Editor editor = handleOpen(file, true);
       }
 
     } catch (IOException e) {
@@ -837,14 +853,18 @@ public class Base {
    * @throws Exception
    */
   public Editor handleOpen(File file) throws Exception {
-    return handleOpen(file, nextEditorLocation(), true);
+    return handleOpen(file, false);
   }
 
-  protected Editor handleOpen(File file, int[] location, boolean showEditor) throws Exception {
-    return handleOpen(file, location, showEditor, true);
+  public Editor handleOpen(File file, boolean untitled) throws Exception {
+    return handleOpen(file, nextEditorLocation(), true, untitled);
   }
 
-  protected Editor handleOpen(File file, int[] location, boolean showEditor, boolean storeOpenedSketches) throws Exception {
+  protected Editor handleOpen(File file, int[] location, boolean showEditor, boolean untitled) throws Exception {
+    return handleOpen(file, location, showEditor, true, untitled);
+  }
+
+  protected Editor handleOpen(File file, int[] location, boolean showEditor, boolean storeOpenedSketches, boolean untitled) throws Exception {
     if (!file.exists()) return null;
 
     // Cycle through open windows to make sure that it's not already open.
@@ -863,12 +883,16 @@ public class Base {
       return null;  // Just walk away quietly
     }
 
+    editor.untitled = untitled;
+
     editors.add(editor);
 
     if (storeOpenedSketches) {
       // Store information on who's open and running
       // (in case there's a crash or something that can't be recovered)
       storeSketches();
+      storeRecentSketches(editor.getSketch());
+      rebuildRecentSketchesMenuItems();
       PreferencesData.save();
     }
 
@@ -886,6 +910,42 @@ public class Base {
     return editor;
   }
 
+  protected void rebuildRecentSketchesMenuItems() {
+    Set<File> recentSketches = new LinkedHashSet<File>() {
+
+      @Override
+      public boolean add(File file) {
+        if (size() >= RECENT_SKETCHES_MAX_SIZE) {
+          return false;
+        }
+        return super.add(file);
+      }
+    };
+
+    for (String path : PreferencesData.getCollection("recent.sketches")) {
+      File file = new File(path);
+      if (file.exists()) {
+        recentSketches.add(file);
+      }
+    }
+
+    recentSketchesMenuItems.clear();
+    for (final File recentSketch : recentSketches) {
+      JMenuItem recentSketchMenuItem = new JMenuItem(recentSketch.getParentFile().getName());
+      recentSketchMenuItem.addActionListener(new ActionListener() {
+        @Override
+        public void actionPerformed(ActionEvent actionEvent) {
+          try {
+            handleOpen(recentSketch);
+          } catch (Exception e) {
+            e.printStackTrace();
+          }
+        }
+      });
+      recentSketchesMenuItems.add(recentSketchMenuItem);
+    }
+  }
+
 
   /**
    * Close a sketch as specified by its editor window.
@@ -912,6 +972,7 @@ public class Base {
         //ignore
       }
       storeSketches();
+      rebuildRecentSketchesMenuItems();
 
       // Save out the current prefs state
       PreferencesData.save();
@@ -2463,4 +2524,8 @@ public class Base {
   public PdeKeywords getPdeKeywords() {
     return pdeKeywords;
   }
+
+  public List<JMenuItem> getRecentSketchesMenuItems() {
+    return recentSketchesMenuItems;
+  }
 }

app/src/processing/app/Editor.java

@@ -71,6 +71,7 @@ import cc.arduino.packages.uploaders.SerialUploader;
 public class Editor extends JFrame implements RunnerListener {
 
   private final Platform platform;
+  private JMenu recentSketchesMenu;
 
   private static class ShouldSaveIfModified implements Predicate<Sketch> {
 
@@ -523,10 +524,10 @@ public class Editor extends JFrame implements RunnerListener {
       public void menuSelected(MenuEvent e) {
         List<Component> components = Arrays.asList(fileMenu.getComponents());
         if (!components.contains(sketchbookMenu)) {
-          fileMenu.insert(sketchbookMenu, 2);
+          fileMenu.insert(sketchbookMenu, 3);
         }
         if (!components.contains(sketchbookMenu)) {
-          fileMenu.insert(examplesMenu, 3);
+          fileMenu.insert(examplesMenu, 4);
         }
         fileMenu.revalidate();
         validate();
@@ -603,6 +604,16 @@ public class Editor extends JFrame implements RunnerListener {
       });
     fileMenu.add(item);
 
+    base.rebuildRecentSketchesMenuItems();
+    recentSketchesMenu = new JMenu(_("Recent"));
+    SwingUtilities.invokeLater(new Runnable() {
+      @Override
+      public void run() {
+        rebuildRecentSketchesMenu();
+      }
+    });
+    fileMenu.add(recentSketchesMenu);
+
     if (sketchbookMenu == null) {
       sketchbookMenu = new JMenu(_("Sketchbook"));
       MenuScroller.setScrollerFor(sketchbookMenu);
@@ -684,6 +695,12 @@ public class Editor extends JFrame implements RunnerListener {
     return fileMenu;
   }
 
+  public void rebuildRecentSketchesMenu() {
+    recentSketchesMenu.removeAll();
+    for (JMenuItem recentSketchMenuItem  : base.getRecentSketchesMenuItems()) {
+      recentSketchesMenu.add(recentSketchMenuItem);
+    }
+  }
 
   protected void buildSketchMenu(JMenu sketchMenu) {
     sketchMenu.removeAll();

arduino-core/src/processing/app/PreferencesData.java

@@ -1,24 +1,23 @@
 package processing.app;
 
-import static processing.app.I18n._;
-
-import java.awt.*;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.PrintWriter;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.MissingResourceException;
-
+import com.google.common.base.Joiner;
 import org.apache.commons.compress.utils.IOUtils;
 import processing.app.helpers.PreferencesHelper;
 import processing.app.helpers.PreferencesMap;
 import processing.app.legacy.PApplet;
 import processing.app.legacy.PConstants;
 
+import java.awt.*;
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.MissingResourceException;
+
+import static processing.app.I18n._;
+
 
 public class PreferencesData {
 
@@ -51,14 +50,14 @@ public class PreferencesData {
       prefs.load(new File(BaseNoGui.getContentFile("lib"), PREFS_FILE));
     } catch (IOException e) {
       BaseNoGui.showError(null, _("Could not read default settings.\n" +
-              "You'll need to reinstall Arduino."), e);
+        "You'll need to reinstall Arduino."), e);
     }
 
     // set some runtime constants (not saved on preferences file)
     File hardwareFolder = BaseNoGui.getHardwareFolder();
     prefs.put("runtime.ide.path", hardwareFolder.getParentFile().getAbsolutePath());
     prefs.put("runtime.ide.version", "" + BaseNoGui.REVISION);
-    
+
     // clone the hash table
     defaults = new PreferencesMap(prefs);
 
@@ -68,10 +67,10 @@ public class PreferencesData {
         prefs.load(preferencesFile);
       } catch (IOException ex) {
         BaseNoGui.showError(_("Error reading preferences"),
-                            I18n.format(_("Error reading the preferences file. "
-                                            + "Please delete (or move)\n"
-                                            + "{0} and restart Arduino."),
-                                        preferencesFile.getAbsolutePath()), ex);
+          I18n.format(_("Error reading the preferences file. "
+              + "Please delete (or move)\n"
+              + "{0} and restart Arduino."),
+            preferencesFile.getAbsolutePath()), ex);
       }
     }
 
@@ -197,8 +196,7 @@ public class PreferencesData {
   }
 
   // get a copy of the Preferences
-  static public PreferencesMap getMap() 
-  {
+  static public PreferencesMap getMap() {
     return new PreferencesMap(prefs);
   }
 
@@ -211,8 +209,7 @@ public class PreferencesData {
 
   // Decide wether changed preferences will be saved. When value is
   // false, Preferences.save becomes a no-op.
-  static public void setDoSave(boolean value)
-  {
+  static public void setDoSave(boolean value) {
     doSave = value;
   }
 
@@ -225,4 +222,13 @@ public class PreferencesData {
     }
     return font;
   }
+
+  public static Collection<String> getCollection(String key) {
+    return Arrays.asList(get(key, "").split(","));
+  }
+
+  public static void setCollection(String key, Collection<String> values) {
+    String value = Joiner.on(',').join(values);
+    set(key, value);
+  }
 }