Merge branch 'develop' into Release_2_9_Branch

[jalview.git] / src / jalview / gui / CutAndPasteTransfer.java

diff --git a/src/jalview/gui/CutAndPasteTransfer.java b/src/jalview/gui/CutAndPasteTransfer.java
index e663cf8..9c5651a 100644 (file)
--- a/src/jalview/gui/CutAndPasteTransfer.java
+++ b/src/jalview/gui/CutAndPasteTransfer.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
- * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
+ * Copyright (C) 2015 The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
@@ -24,9 +24,11 @@ import jalview.api.AlignViewportI;
 import jalview.api.AlignmentViewPanel;
 import jalview.api.ComplexAlignFile;
 import jalview.api.FeaturesDisplayedI;
+import jalview.bin.Jalview;
 import jalview.datamodel.AlignmentI;
 import jalview.datamodel.ColumnSelection;
 import jalview.datamodel.SequenceI;
+import jalview.io.AppletFormatAdapter;
 import jalview.io.FileParse;
 import jalview.io.FormatAdapter;
 import jalview.io.IdentifyFile;
@@ -64,6 +66,7 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
   AlignViewportI viewport;
 
   FileParse source = null;
+
   public CutAndPasteTransfer()
   {
     SwingUtilities.invokeLater(new Runnable()
@@ -127,7 +130,8 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
 
     chooser.setAcceptAllFileFilterUsed(false);
     chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle(MessageManager.getString("label.save_text_to_file"));
+    chooser.setDialogTitle(MessageManager
+            .getString("label.save_text_to_file"));
     chooser.setToolTipText(MessageManager.getString("action.save"));
 
     int value = chooser.showSaveDialog(this);
@@ -195,7 +199,27 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
    */
   public void ok_actionPerformed(ActionEvent e)
   {
-    String format = new IdentifyFile().Identify(getText(), "Paste");
+    String text = getText();
+    if (text.trim().length() < 1)
+    {
+      return;
+    }
+
+    String format = new IdentifyFile().Identify(text, "Paste");
+    if (format == null || format.equalsIgnoreCase("EMPTY DATA FILE"))
+    {
+      System.err.println(MessageManager
+              .getString("label.couldnt_read_data"));
+      if (!Jalview.isHeadlessMode())
+      {
+        javax.swing.JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                AppletFormatAdapter.SUPPORTED_FORMATS,
+                MessageManager.getString("label.couldnt_read_data"),
+                JOptionPane.WARNING_MESSAGE);
+      }
+      return;
+    }
+
     // TODO: identify feature, annotation or tree file and parse appropriately.
     AlignmentI al = null;
 
@@ -211,18 +235,17 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
       {
         JOptionPane.showInternalMessageDialog(Desktop.desktop,
                 MessageManager.formatMessage(
-                        "label.couldnt_read_pasted_text", new String[]
-                        { ex.toString() }), MessageManager
+                        "label.couldnt_read_pasted_text",
+                        new String[] { ex.toString() }), MessageManager
                         .getString("label.error_parsing_text"),
                 JOptionPane.WARNING_MESSAGE);
       }
     }
 
-    if (al != null)
+    if (al != null && al.hasValidSequence())
     {
       String title = MessageManager.formatMessage(
-              "label.input_cut_paste_params", new String[]
-              { format });
+              "label.input_cut_paste_params", new String[] { format });
       if (viewport != null)
       {
         ((AlignViewport) viewport).addAlignment(al, title);
@@ -243,8 +266,7 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
           FeaturesDisplayedI fd = ((ComplexAlignFile) source)
                   .getDisplayedFeatures();
           af = new AlignFrame(al, hiddenSeqs, colSel,
-                  AlignFrame.DEFAULT_WIDTH,
-                  AlignFrame.DEFAULT_HEIGHT);
+                  AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
           af.getViewport().setShowSequenceFeatures(showSeqFeatures);
           af.getViewport().setFeaturesDisplayed(fd);
           af.changeColour(cs);
@@ -270,9 +292,20 @@ public class CutAndPasteTransfer extends GCutAndPasteTransfer
         }
       }
     }
+    else
+    {
+      System.err.println(MessageManager
+              .getString("label.couldnt_read_data"));
+      if (!Jalview.isHeadlessMode())
+      {
+        javax.swing.JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                AppletFormatAdapter.SUPPORTED_FORMATS,
+                MessageManager.getString("label.couldnt_read_data"),
+                JOptionPane.WARNING_MESSAGE);
+      }
+    }
   }
 
-
   /**
    * DOCUMENT ME!
    *