JAL-3048 override showOpenDialog with JalviewJS compatible code

diff --git a/src/jalview/io/JalviewFileChooser.java b/src/jalview/io/JalviewFileChooser.java
index c90ecdc..a7f8fa6 100755 (executable)
--- a/src/jalview/io/JalviewFileChooser.java
+++ b/src/jalview/io/JalviewFileChooser.java
@@ -25,6 +25,7 @@ import jalview.bin.Cache;
 import jalview.gui.JvOptionPane;
 import jalview.util.MessageManager;
 import jalview.util.Platform;
+import jalview.util.dialogrunner.DialogRunner;
 import jalview.util.dialogrunner.DialogRunnerI;
 import jalview.util.dialogrunner.Response;
 import jalview.util.dialogrunner.RunResponse;
@@ -63,8 +64,8 @@ import javax.swing.plaf.basic.BasicFileChooserUI;
 public class JalviewFileChooser extends JFileChooser
         implements PropertyChangeListener, DialogRunnerI
 {
-  jalview.util.dialogrunner.DialogRunner<JalviewFileChooser> runner = new jalview.util.dialogrunner.DialogRunner<>(
-          this);
+  DialogRunner<JalviewFileChooser> runner = new DialogRunner<>(this);
+  
   /**
    * Factory method to return a file chooser that offers readable alignment file
    * formats
@@ -191,16 +192,23 @@ public class JalviewFileChooser extends JFileChooser
     return f;
   }
 
-  public void openDialog(Component parent)
+  /**
+   * Overridden for JalviewJS compatibility: only one thread in Javascript, 
+   * so we can't wait for user choice in another thread and then perform the 
+   * desired action
+   */
+  @Override
+  public int showOpenDialog(Component parent)
   {
     runner.resetResponses();
-    int value = showOpenDialog(this);
+    int value = super.showOpenDialog(this);
     /**
      * @j2sNative
      */
     {
       runner.firstRun(value);
     }
+    return value;
   }
 
   /**
@@ -396,6 +404,11 @@ public class JalviewFileChooser extends JFileChooser
     };
   };
 
+  /**
+   * Overridden for JalviewJS compatibility: only one thread in Javascript, 
+   * so we can't wait for user choice in another thread and then perform the 
+   * desired action
+   */
   @Override
   public int showSaveDialog(Component parent) throws HeadlessException
   {
@@ -454,14 +467,14 @@ public class JalviewFileChooser extends JFileChooser
 
   class RecentlyOpened extends JPanel
   {
-    JList list;
+    JList<String> list;
 
     public RecentlyOpened()
     {
 
       String historyItems = jalview.bin.Cache.getProperty("RECENT_FILE");
       StringTokenizer st;
-      Vector recent = new Vector();
+      Vector<String> recent = new Vector<>();
 
       if (historyItems != null)
       {
@@ -469,11 +482,11 @@ public class JalviewFileChooser extends JFileChooser
 
         while (st.hasMoreTokens())
         {
-          recent.addElement(st.nextElement());
+          recent.addElement(st.nextToken());
         }
       }
 
-      list = new JList(recent);
+      list = new JList<>(recent);
 
       DefaultListCellRenderer dlcr = new DefaultListCellRenderer();
       dlcr.setHorizontalAlignment(DefaultListCellRenderer.RIGHT);
@@ -499,7 +512,7 @@ public class JalviewFileChooser extends JFileChooser
       layout.putConstraint(SpringLayout.NORTH, scroller, 5,
               SpringLayout.NORTH, this);
 
-      if (new Platform().isAMac())
+      if (Platform.isAMac())
       {
         scroller.setPreferredSize(new Dimension(500, 100));
       }