Removed dependency from Base in PreferencesData.

app/src/processing/app/Base.java

@@ -36,6 +36,7 @@ import processing.app.debug.TargetBoard;
 import processing.app.debug.TargetPackage;
 import processing.app.debug.TargetPlatform;
 import processing.app.helpers.FileUtils;
+import processing.app.helpers.GUINotifier;
 import processing.app.helpers.OSUtils;
 import processing.app.helpers.PreferencesMap;
 import processing.app.helpers.filefilters.OnlyDirs;
@@ -104,6 +105,8 @@ public class Base {
 
   static public void main(String args[]) throws Exception {
     BaseNoGui.initLogger();
+    
+    BaseNoGui.notifier = new GUINotifier();
 
     initPlatform();
 
@@ -1850,33 +1853,7 @@ public class Base {
 
 
   static public File getSettingsFolder() {
-    if (BaseNoGui.getPortableFolder() != null)
+    return BaseNoGui.getSettingsFolder();
-      return BaseNoGui.getPortableFolder();
-
-    File settingsFolder = null;
-
-    String preferencesPath = Preferences.get("settings.path");
-    if (preferencesPath != null) {
-      settingsFolder = absoluteFile(preferencesPath);
-
-    } else {
-      try {
-        settingsFolder = getPlatform().getSettingsFolder();
-      } catch (Exception e) {
-        showError(_("Problem getting data folder"),
-                  _("Error getting the Arduino data folder."), e);
-      }
-    }
-
-    // create the folder if it doesn't exist already
-    if (!settingsFolder.exists()) {
-      if (!settingsFolder.mkdirs()) {
-        showError(_("Settings issues"),
-                _("Arduino cannot run because it could not\n" +
-                        "create a folder to store your settings."), null);
-      }
-    }
-    return settingsFolder;
   }
 
 
@@ -1888,7 +1865,7 @@ public class Base {
    * @return filename wrapped as a File object inside the settings folder
    */
   static public File getSettingsFile(String filename) {
-    return new File(getSettingsFolder(), filename);
+    return BaseNoGui.getSettingsFile(filename);
   }
 
 
@@ -2323,17 +2300,7 @@ public class Base {
    * for errors that allow P5 to continue running.
    */
   static public void showError(String title, String message, Throwable e, int exit_code) {
-    if (title == null) title = _("Error");
+    BaseNoGui.showError(title, message, e, exit_code);
-
-    if (commandLine) {
-      System.err.println(title + ": " + message);
-
-    } else {
-      JOptionPane.showMessageDialog(new Frame(), message, title,
-                                    JOptionPane.ERROR_MESSAGE);
-    }
-    if (e != null) e.printStackTrace();
-    System.exit(exit_code);
   }
 
 
@@ -2535,7 +2502,7 @@ public class Base {
    * Return an InputStream for a file inside the Processing lib folder.
    */
   static public InputStream getLibStream(String filename) throws IOException {
-    return new FileInputStream(new File(getContentFile("lib"), filename));
+    return BaseNoGui.getLibStream(filename);
   }
 
 

app/src/processing/app/BaseNoGui.java

@@ -3,7 +3,9 @@ package processing.app;
 import static processing.app.I18n._;
 
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.HashMap;
@@ -19,8 +21,10 @@ import processing.app.debug.TargetBoard;
 import processing.app.debug.TargetPackage;
 import processing.app.debug.TargetPlatform;
 import processing.app.debug.TargetPlatformException;
+import processing.app.helpers.BasicNotifier;
 import processing.app.helpers.OSUtils;
 import processing.app.helpers.PreferencesMap;
+import processing.app.helpers.UserNotifier;
 import processing.app.helpers.filefilters.OnlyDirs;
 import processing.app.helpers.filefilters.OnlyFilesWithExtension;
 import processing.app.legacy.PApplet;
@@ -45,6 +49,8 @@ public class BaseNoGui {
   // maps library name to their library folder
   static private LibraryList libraries;
 
+  static UserNotifier notifier = new BasicNotifier();
+
   static public Map<String, TargetPackage> packages;
 
   static Platform platform;
@@ -126,6 +132,13 @@ public class BaseNoGui {
     return libraries;
   }
 
+  /**
+   * Return an InputStream for a file inside the Processing lib folder.
+   */
+  static public InputStream getLibStream(String filename) throws IOException {
+    return new FileInputStream(new File(getContentFile("lib"), filename));
+  }
+
   static public Platform getPlatform() {
     return platform;
   }
@@ -134,6 +147,47 @@ public class BaseNoGui {
     return portableFolder;
   }
 
+  /**
+   * Convenience method to get a File object for the specified filename inside
+   * the settings folder.
+   * For now, only used by Preferences to get the preferences.txt file.
+   * @param filename A file inside the settings folder.
+   * @return filename wrapped as a File object inside the settings folder
+   */
+  static public File getSettingsFile(String filename) {
+    return new File(getSettingsFolder(), filename);
+  }
+
+  static public File getSettingsFolder() {
+    if (BaseNoGui.getPortableFolder() != null)
+      return BaseNoGui.getPortableFolder();
+
+    File settingsFolder = null;
+
+    String preferencesPath = Preferences.get("settings.path");
+    if (preferencesPath != null) {
+      settingsFolder = absoluteFile(preferencesPath);
+
+    } else {
+      try {
+        settingsFolder = getPlatform().getSettingsFolder();
+      } catch (Exception e) {
+        showError(_("Problem getting data folder"),
+                  _("Error getting the Arduino data folder."), e);
+      }
+    }
+
+    // create the folder if it doesn't exist already
+    if (!settingsFolder.exists()) {
+      if (!settingsFolder.mkdirs()) {
+        showError(_("Settings issues"),
+                _("Arduino cannot run because it could not\n" +
+                        "create a folder to store your settings."), null);
+      }
+    }
+    return settingsFolder;
+  }
+
   static public File getSketchbookFolder() {
     if (portableFolder != null)
       return new File(portableFolder, Preferences.get("sketchbook.path"));
@@ -376,4 +430,17 @@ public class BaseNoGui {
     return res;
   }
 
+  static public void showError(String title, String message, Throwable e) {
+    notifier.showError(title, message, e, 1);
+  }
+
+  /**
+   * Show an error message that's actually fatal to the program.
+   * This is an error that can't be recovered. Use showWarning()
+   * for errors that allow P5 to continue running.
+   */
+  static public void showError(String title, String message, Throwable e, int exit_code) {
+    notifier.showError(title, message, e, exit_code);
+  }
+
 }

app/src/processing/app/PreferencesData.java

@@ -32,21 +32,21 @@ public class PreferencesData {
     if (file != null)
       preferencesFile = file;
     else
-      preferencesFile = Base.getSettingsFile(Preferences.PREFS_FILE);
+      preferencesFile = BaseNoGui.getSettingsFile(PREFS_FILE);
 
     // start by loading the defaults, in case something
     // important was deleted from the user prefs
     try {
-      prefs.load(Base.getLibStream("preferences.txt"));
+      prefs.load(BaseNoGui.getLibStream("preferences.txt"));
     } catch (IOException e) {
-      Base.showError(null, _("Could not read default settings.\n" +
+      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 = Base.getHardwareFolder();
+    File hardwareFolder = BaseNoGui.getHardwareFolder();
     prefs.put("runtime.ide.path", hardwareFolder.getParentFile().getAbsolutePath());
-    prefs.put("runtime.ide.version", "" + Base.REVISION);
+    prefs.put("runtime.ide.version", "" + BaseNoGui.REVISION);
     
     // clone the hash table
     defaults = new PreferencesMap(prefs);
@@ -56,11 +56,11 @@ public class PreferencesData {
       try {
         prefs.load(preferencesFile);
       } catch (IOException ex) {
-        Base.showError(_("Error reading preferences"),
+        BaseNoGui.showError(_("Error reading preferences"),
-                       I18n.format(_("Error reading the preferences file. "
+                            I18n.format(_("Error reading the preferences file. "
-                                       + "Please delete (or move)\n"
+                                            + "Please delete (or move)\n"
-                                       + "{0} and restart Arduino."),
+                                            + "{0} and restart Arduino."),
-                                   preferencesFile.getAbsolutePath()), ex);
+                                        preferencesFile.getAbsolutePath()), ex);
       }
     }