By using syntax like file://./docs/index.html, editor will open file index.html stored in folder SKETCH_FOLDER/docs/. Fixes #224

app/src/processing/app/Editor.java

@@ -1006,7 +1006,7 @@ public class Editor extends JFrame implements RunnerListener {
       @Override
       public void hyperlinkUpdate(HyperlinkEvent hyperlinkEvent) {
         try {
-          platform.openURL(hyperlinkEvent.getURL().toExternalForm());
+          platform.openURL(sketch.getFolder(), hyperlinkEvent.getURL().toExternalForm());
         } catch (Exception e) {
           Base.showWarning(e.getMessage(), e.getMessage(), e);
         }

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

@@ -29,8 +29,12 @@ import processing.app.debug.TargetPlatform;
 import processing.app.legacy.PConstants;
 
 import javax.swing.*;
-import java.io.*;
-import java.util.*;
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
 
 import static processing.app.I18n._;
 
@@ -38,13 +42,13 @@ import static processing.app.I18n._;
 /**
  * Used by Base for platform-specific tweaking, for instance finding the
  * sketchbook location using the Windows registry, or OS X event handling.
- * 
+ * <p/>
  * The methods in this implementation are used by default, and can be
  * overridden by a subclass, if loaded by Base.main().
- * 
+ * <p/>
  * These methods throw vanilla-flavored Exceptions, so that error handling
  * occurs inside Base.
- * 
+ * <p/>
  * There is currently no mechanism for adding new platforms, as the setup is
  * not automated. We could use getProperty("os.arch") perhaps, but that's
  * debatable (could be upper/lowercase, have spaces, etc.. basically we don't
@@ -105,6 +109,15 @@ public class Platform {
     return null;
   }
 
+  public void openURL(File folder, String url) throws Exception {
+    if (!url.startsWith("file://./")) {
+      openURL(url);
+      return;
+    }
+
+    url = url.replaceAll("file://./", folder.getCanonicalFile().toURI().toASCIIString());
+    openURL(url);
+  }
 
   public void openURL(String url) throws Exception {
     String launcher = PreferencesData.get("launcher");

arduino-core/src/processing/app/macosx/Platform.java

@@ -34,11 +34,14 @@ import processing.app.legacy.PApplet;
 import processing.app.legacy.PConstants;
 
 import java.awt.*;
-import java.io.*;
-import java.lang.reflect.Method;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.net.URI;
-import java.util.*;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 
 
 /**
@@ -98,43 +101,11 @@ public class Platform extends processing.app.Platform {
 
 
   public void openURL(String url) throws Exception {
-    if (PApplet.javaVersion < 1.6f) {
-      if (url.startsWith("http")) {
-        // formerly com.apple.eio.FileManager.openURL(url);
-        // but due to deprecation, instead loading dynamically
-        try {
-          Class<?> eieio = Class.forName("com.apple.eio.FileManager");
-          Method openMethod =
-            eieio.getMethod("openURL", new Class[] { String.class });
-          openMethod.invoke(null, new Object[] { url });
-        } catch (Exception e) {
-          e.printStackTrace();
-        }
+    Desktop desktop = Desktop.getDesktop();
+    if (url.startsWith("http") || url.startsWith("file:")) {
+      desktop.browse(new URI(url));
     } else {
-      // Assume this is a file instead, and just open it.
-      // Extension of http://dev.processing.org/bugs/show_bug.cgi?id=1010
-      PApplet.open(url);
-      }
-    } else {
-      try {
-        Class<?> desktopClass = Class.forName("java.awt.Desktop");
-        Method getMethod = desktopClass.getMethod("getDesktop");
-        Object desktop = getMethod.invoke(null, new Object[] { });
-
-        // for Java 1.6, replacing with java.awt.Desktop.browse() 
-        // and java.awt.Desktop.open()
-        if (url.startsWith("http")) {  // browse to a location
-          Method browseMethod =
-            desktopClass.getMethod("browse", new Class[] { URI.class });
-          browseMethod.invoke(desktop, new Object[] { new URI(url) });
-        } else {  // open a file
-          Method openMethod =
-            desktopClass.getMethod("open", new Class[] { File.class });
-          openMethod.invoke(desktop, new Object[] { new File(url) });
-          }
-      } catch (Exception e) {
-        e.printStackTrace();
-        }
+      desktop.open(new File(url));
     }
   }
 

arduino-core/src/processing/app/windows/Platform.java

@@ -130,7 +130,7 @@ public class Platform extends processing.app.Platform {
     // "Access is denied" in both cygwin and the "dos" prompt.
     //Runtime.getRuntime().exec("cmd /c " + currentDir + "\\reference\\" +
     //                    referenceFile + ".html");
-    if (url.startsWith("http")) {
+    if (url.startsWith("http") || url.startsWith("file:")) {
       // open dos prompt, give it 'start' command, which will
       // open the url properly. start by itself won't work since
       // it appears to need cmd