JAL-3032 prefer Jalview.isJS() to j2sNative

[jalview.git] / src / jalview / io / JalviewFileChooser.java

diff --git a/src/jalview/io/JalviewFileChooser.java b/src/jalview/io/JalviewFileChooser.java
index 9c99603..56b8637 100755 (executable)
--- a/src/jalview/io/JalviewFileChooser.java
+++ b/src/jalview/io/JalviewFileChooser.java
@@ -26,9 +26,7 @@ import jalview.bin.Jalview;
 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.RunResponse;
 
 import java.awt.Component;
 import java.awt.Dimension;
@@ -40,7 +38,9 @@ import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.StringTokenizer;
 import java.util.Vector;
 
@@ -50,8 +50,6 @@ import javax.swing.JList;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.SpringLayout;
-import javax.swing.SwingUtilities;
-import javax.swing.border.TitledBorder;
 import javax.swing.plaf.basic.BasicFileChooserUI;
 
 /**
@@ -68,7 +66,7 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
 {
   private static final long serialVersionUID = 1L;
 
-  private DialogRunnerI runner = new DialogRunner();
+  private Map<Object, Runnable> callbacks = new HashMap<>();
   
   File selectedFile = null;
 
@@ -194,11 +192,15 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
   @Override
   public int showOpenDialog(Component parent)
   {
-   // runner.resetResponses();
     int value = super.showOpenDialog(this);
+    
     if (!Jalview.isJS())
     {
-      runner.handleResponse(value);
+      /*
+       * code here is not run in JalviewJS, instead
+       * propertyChange() is called for dialog action
+       */
+      handleResponse(value);
     }
     return value;
   }
@@ -317,16 +319,13 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
     return f == null ? selectedFile : f;
   }
 
-  /**
-   * 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
   {
     this.setAccessory(null);
+    // Java 9,10,11 on OSX - clear selected file so name isn't auto populated
     this.setSelectedFile(null);
+
     return super.showSaveDialog(parent);
   }
 
@@ -423,17 +422,9 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
     }
   }
 
-  /**
-   * A panel to set as the 'accessory' component to the file chooser dialog,
-   * holding a list of recently opened files (if any). These are held as a
-   * tab-separated list of file paths under key <code>RECENT_FILE</code> in
-   * <code>.jalview_properties</code>. A click in the list calls a method in
-   * JalviewFileChooser to set the chosen file as the selection.
-   */
   class RecentlyOpened extends JPanel
   {
     private static final long serialVersionUID = 1L;
-
     JList<String> list;
 
     RecentlyOpened()
@@ -446,6 +437,7 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
       if (historyItems != null)
       {
         st = new StringTokenizer(historyItems, "\t");
+
         while (st.hasMoreTokens())
         {
           recent.addElement(st.nextToken());
@@ -467,7 +459,7 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
         }
       });
 
-      this.setBorder(new TitledBorder(
+      this.setBorder(new javax.swing.border.TitledBorder(
               MessageManager.getString("label.recently_opened")));
 
       final JScrollPane scroller = new JScrollPane(list);
@@ -489,7 +481,7 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
 
       this.add(scroller);
 
-      SwingUtilities.invokeLater(new Runnable()
+      javax.swing.SwingUtilities.invokeLater(new Runnable()
       {
         @Override
         public void run()
@@ -498,13 +490,33 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
                   .setValue(scroller.getHorizontalScrollBar().getMaximum());
         }
       });
+
     }
+
   }
 
   @Override
-  public DialogRunnerI addResponse(Object response, RunResponse action)
+  public DialogRunnerI setResponseHandler(Object response, Runnable action)
   {
-    return runner.addResponse(response, action);
+       callbacks.put(response,  action);
+       return this;
+  }
+
+  @Override
+  public void handleResponse(Object response)
+  {
+    /*
+        * this test is for NaN in Chrome
+        */
+    if (response != null && !response.equals(response))
+    {
+      return;
+    }
+    Runnable action = callbacks.get(response);
+    if (action != null)
+    {
+      action.run();
+    }
   }
 
   /**
@@ -520,8 +532,11 @@ public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
     // TODO other properties need runners...
     switch (evt.getPropertyName())
     {
+    /*
+     * property name here matches that used in JFileChooser.js
+     */
     case "SelectedFile": 
-      runner.handleResponse(APPROVE_OPTION);
+      handleResponse(APPROVE_OPTION);
       break;
     }
   }