import library also import folder (already expanded libraries)

Conflicts:
	app/src/processing/app/helpers/FileUtils.java
	app/test/processing/app/tools/ZipDeflaterTest.java

app/src/processing/app/Base.java

@@ -31,6 +31,7 @@ import javax.swing.*;
 
 import processing.app.debug.Compiler;
 import processing.app.debug.Target;
+import processing.app.helpers.FileUtils;
 import processing.app.tools.ZipDeflater;
 import processing.core.*;
 import static processing.app.I18n._;
@@ -2364,24 +2365,43 @@ public class Base {
     }
   }
 
+  public void handleAddLibrary(Editor editor) {
+    JFileChooser fileChooser = new JFileChooser(System.getProperty("user.home"));
+    fileChooser.setDialogTitle(_("Select a zip file or a folder containing the library you'd like to add"));
+    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
 
-  public void handleAddZipLibrary(Editor editor) {
-    String prompt = _("Select a zip file containing the library you'd like to add");
-    FileDialog fd = new FileDialog(editor, prompt, FileDialog.LOAD);
-    fd.setDirectory(System.getProperty("user.home"));
-    fd.setVisible(true);
+    Dimension preferredSize = fileChooser.getPreferredSize();
+    fileChooser.setPreferredSize(new Dimension(preferredSize.width + 200, preferredSize.height + 200));
+    
+    int returnVal = fileChooser.showOpenDialog(editor);
 
-    String directory = fd.getDirectory();
-    String filename = fd.getFile();
-    if (filename == null) return;
-
-    File sourceFile = new File(directory, filename);
-    try {
-      ZipDeflater zipDeflater = new ZipDeflater(sourceFile, getSketchbookLibrariesFolder());
-      zipDeflater.deflate();
-      editor.statusNotice(_("Library added to your libraries. Check \"Import library\" menu"));
-    } catch (IOException e) {
-      editor.statusError(e);      
+    if (returnVal != JFileChooser.APPROVE_OPTION) {
+      return;
     }
+
+    File sourceFile = fileChooser.getSelectedFile();
+
+    if (sourceFile.isDirectory()) {
+      File destinationFolder = new File(getSketchbookLibrariesFolder(), sourceFile.getName());
+      if (!destinationFolder.mkdir()) {
+        editor.statusError("Can't create folder: " + sourceFile.getName() + " into libraries folder");
+        return;
+      }
+      try {
+        FileUtils.copy(sourceFile, destinationFolder);
+      } catch (IOException e) {
+        editor.statusError(e);
+        return;
+      }
+    } else {
+      try {
+        ZipDeflater zipDeflater = new ZipDeflater(sourceFile, getSketchbookLibrariesFolder());
+        zipDeflater.deflate();
+      } catch (IOException e) {
+        editor.statusError(e);
+        return;
+      }
+    }
+    editor.statusNotice(_("Library added to your libraries. Check \"Import library\" menu"));
   }
 }

app/src/processing/app/Editor.java

@@ -631,10 +631,10 @@ public class Editor extends JFrame implements RunnerListener {
     }
     sketchMenu.add(importMenu);
 
-    item = new JMenuItem(_("Add Library from ZIP"));
+    item = new JMenuItem(_("Add Library..."));
     item.addActionListener(new ActionListener() {
       public void actionPerformed(ActionEvent e) {
-        base.handleAddZipLibrary(Editor.this);
+        base.handleAddLibrary(Editor.this);
         base.onBoardOrPortChange();
         base.rebuildImportMenu(Editor.importMenu);
       }

app/src/processing/app/helpers/FileUtils.java

@@ -0,0 +1,81 @@
+package processing.app.helpers;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+public class FileUtils {
+
+  /**
+   * Checks, whether the child directory is a subdirectory of the base directory.
+   * 
+   * @param base
+   *          the base directory.
+   * @param child
+   *          the suspected child directory.
+   * @return true, if the child is a subdirectory of the base directory.
+   */
+  public static boolean isSubDirectory(File base, File child) {
+    try {
+      base = base.getCanonicalFile();
+      child = child.getCanonicalFile();
+    } catch (IOException e) {
+      return false;
+    }
+
+    File parentFile = child;
+    while (parentFile != null) {
+      if (base.equals(parentFile)) {
+        return true;
+      }
+      parentFile = parentFile.getParentFile();
+    }
+    return false;
+  }
+
+  public static void copy(File sourceFolder, File destFolder) throws IOException {
+    for (File file : sourceFolder.listFiles()) {
+      File destFile = new File(destFolder, file.getName());
+      if (file.isDirectory()) {
+        if (!destFile.mkdir()) {
+          throw new IOException("Unable to create folder: " + destFile);
+        }
+        copy(file, destFile);
+      } else {
+        FileInputStream fis = null;
+        FileOutputStream fos = null;
+        try {
+          fis = new FileInputStream(file);
+          fos = new FileOutputStream(destFile);
+          byte[] buf = new byte[4096];
+          int readBytes = -1;
+          while ((readBytes = fis.read(buf, 0, buf.length)) != -1) {
+            fos.write(buf, 0, readBytes);
+          }
+        } finally {
+          if (fis != null) {
+            fis.close();
+          }
+          if (fos != null) {
+            fos.close();
+          }
+        }
+      }
+    }
+  }
+
+  public static void recursiveDelete(File file) {
+    if (file.isDirectory()) {
+      for (File current : file.listFiles()) {
+        if (current.isDirectory()) {
+          recursiveDelete(current);
+        } else {
+          current.delete();
+        }
+      }
+    }
+    file.delete();
+  }
+
+}

app/src/processing/app/tools/ZipDeflater.java

@@ -10,6 +10,8 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipException;
 import java.util.zip.ZipFile;
 
+import processing.app.helpers.FileUtils;
+
 public class ZipDeflater {
 
   private final ZipFile zipFile;
@@ -71,26 +73,13 @@ public class ZipDeflater {
   private void deleteUndesiredFoldersAndFiles(File folder) {
     for (File file : folder.listFiles()) {
       if (file.isDirectory() && "__MACOSX".equals(file.getName())) {
-        recursiveDelete(file);
+        FileUtils.recursiveDelete(file);
       } else if (file.getName().startsWith(".")) {
-        recursiveDelete(file);
+        FileUtils.recursiveDelete(file);
       }
     }
   }
 
-  private void recursiveDelete(File file) {
-    if (file.isDirectory()) {
-      for (File current : file.listFiles()) {
-        if (current.isDirectory()) {
-          recursiveDelete(current);
-        } else {
-          current.delete();
-        }
-      }
-    }
-    file.delete();
-  }
-
   private void ensureFoldersOfEntryExist(File folder, ZipEntry entry) {
     String[] parts = entry.getName().split("/");
     File current = folder;
@@ -109,7 +98,7 @@ public class ZipDeflater {
     }
 
     files[0].renameTo(new File(folder.getParentFile(), files[0].getName()));
-    recursiveDelete(folder);
+    FileUtils.recursiveDelete(folder);
   }
 
   private String folderNameFromZip() {