Revert "Replaced JFileChooser with FileDialog in 'Add .zip library'"

This reverts commit 7cb1440.

Author: cmaglie

app/src/processing/app/Base.java

@@ -2340,27 +2340,21 @@ static public int calcFolderSize(File folder) {
   }
 
   public void handleAddLibrary() {
-    // get the frontmost window frame for placing file dialog
-    FileDialog fd = new FileDialog(activeEditor, tr("Select a zip file or a folder containing the library you'd like to add"), FileDialog.LOAD);
-    File home = new File(System.getProperty("user.home"));
-    if (home.isDirectory()) {
-      fd.setDirectory(home.getAbsolutePath());
-    }
-    if (OSUtils.isWindows()) {
-      // Workaround: AWT FileDialog doesn't not support native file filters on Windows...
-      // https://stackoverflow.com/questions/12558413/how-to-filter-file-type-in-filedialog
-      fd.setFile("*.zip");
-    }
-    fd.setFilenameFilter((dir, name) -> name.toLowerCase().endsWith(".zip"));
-    fd.setVisible(true);
+    JFileChooser fileChooser = new JFileChooser(System.getProperty("user.home"));
+    fileChooser.setDialogTitle(tr("Select a zip file or a folder containing the library you'd like to add"));
+    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
+    fileChooser.setFileFilter(new FileNameExtensionFilter(tr("ZIP files or folders"), "zip"));
 
-    String directory = fd.getDirectory();
-    String filename = fd.getFile();
+    Dimension preferredSize = fileChooser.getPreferredSize();
+    fileChooser.setPreferredSize(new Dimension(preferredSize.width + 200, preferredSize.height + 200));
 
-    // User canceled selection
-    if (filename == null) return;
+    int returnVal = fileChooser.showOpenDialog(activeEditor);
+
+    if (returnVal != JFileChooser.APPROVE_OPTION) {
+      return;
+    }
 
-    File sourceFile = new File(directory, filename);
+    File sourceFile = fileChooser.getSelectedFile();
     File tmpFolder = null;
 
     try {