JAL-1925 update source version in license
[jalview.git] / src / jalview / io / FileLoader.java
index 76bd572..c387186 100755 (executable)
@@ -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 2.9.0b2)
+ * Copyright (C) 2015 The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  */
 package jalview.io;
 
-import java.util.StringTokenizer;
-import java.util.Vector;
-
-import javax.swing.JOptionPane;
-import javax.swing.SwingUtilities;
-
 import jalview.api.ComplexAlignFile;
+import jalview.api.FeaturesDisplayedI;
+import jalview.bin.Jalview;
 import jalview.datamodel.AlignmentI;
 import jalview.datamodel.ColumnSelection;
 import jalview.datamodel.PDBEntry;
@@ -35,10 +31,17 @@ import jalview.gui.AlignFrame;
 import jalview.gui.AlignViewport;
 import jalview.gui.Desktop;
 import jalview.gui.Jalview2XML;
+import jalview.json.binding.biojson.v1.ColourSchemeMapper;
 import jalview.schemes.ColourSchemeI;
 import jalview.structure.StructureSelectionManager;
 import jalview.util.MessageManager;
 
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+import javax.swing.JOptionPane;
+import javax.swing.SwingUtilities;
+
 public class FileLoader implements Runnable
 {
   String file;
@@ -256,6 +259,25 @@ public class FileLoader implements Runnable
         {
           format = new IdentifyFile().Identify(file, protocol);
         }
+
+      }
+
+      if (format == null || format.equalsIgnoreCase("EMPTY DATA FILE"))
+      {
+        Desktop.instance.stopLoading();
+        System.err.println("The input file \"" + file
+                + "\" has null or unidentifiable data content!");
+        if (!Jalview.isHeadlessMode())
+        {
+          javax.swing.JOptionPane.showInternalMessageDialog(
+                  Desktop.desktop,
+                  MessageManager.getString("label.couldnt_read_data")
+                          + " in " + file + "\n"
+                          + AppletFormatAdapter.SUPPORTED_FORMATS,
+                  MessageManager.getString("label.couldnt_read_data"),
+                  JOptionPane.WARNING_MESSAGE);
+        }
+        return;
       }
       // TODO: cache any stream datasources as a temporary file (eg. PDBs
       // retrieved via URL)
@@ -299,7 +321,8 @@ public class FileLoader implements Runnable
               // open a new source and read from it
               FormatAdapter fa = new FormatAdapter();
               al = fa.readFile(file, protocol, format);
-              source = fa.getAlignFile(); // keep reference for later if necessary.
+              source = fa.getAlignFile(); // keep reference for later if
+                                          // necessary.
             }
           } catch (java.io.IOException ex)
           {
@@ -315,25 +338,30 @@ public class FileLoader implements Runnable
           }
         }
 
-        if ((al != null) && (al.getHeight() > 0))
+        if ((al != null) && (al.getHeight() > 0) && al.hasValidSequence())
         {
+          // construct and register dataset sequences
           for (SequenceI sq : al.getSequences())
           {
             while (sq.getDatasetSequence() != null)
             {
               sq = sq.getDatasetSequence();
             }
-            if (sq.getPDBId() != null)
+            if (sq.getAllPDBEntries() != null)
             {
-              for (PDBEntry pdbe : sq.getPDBId())
+              for (PDBEntry pdbe : sq.getAllPDBEntries())
               {
+                // register PDB entries with desktop's structure selection
+                // manager
                 StructureSelectionManager.getStructureSelectionManager(
                         Desktop.instance).registerPDBEntry(pdbe);
               }
             }
           }
+
           if (viewport != null)
           {
+            // append to existing alignment
             viewport.addAlignment(al, title);
           }
           else
@@ -348,49 +376,56 @@ public class FileLoader implements Runnable
                       .getHiddenSequences();
               boolean showSeqFeatures = ((ComplexAlignFile) source)
                       .isShowSeqFeatures();
-              ColourSchemeI cs = ((ComplexAlignFile) source)
-                      .getColourScheme();
+              String colourSchemeName = ((ComplexAlignFile) source)
+                      .getGlobalColourScheme();
+              FeaturesDisplayedI fd = ((ComplexAlignFile) source)
+                      .getDisplayedFeatures();
               alignFrame = new AlignFrame(al, hiddenSeqs, colSel,
-                      AlignFrame.DEFAULT_WIDTH,
-                      AlignFrame.DEFAULT_HEIGHT);
+                      AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
 
               alignFrame.getViewport().setShowSequenceFeatures(
                       showSeqFeatures);
-              alignFrame.changeColour(cs);
+              alignFrame.getViewport().setFeaturesDisplayed(fd);
+              ColourSchemeI cs = ColourSchemeMapper.getJalviewColourScheme(
+                      colourSchemeName, al);
+              if (cs != null)
+              {
+                alignFrame.changeColour(cs);
+              }
             }
             else
             {
               alignFrame = new AlignFrame(al, AlignFrame.DEFAULT_WIDTH,
                       AlignFrame.DEFAULT_HEIGHT);
             }
-          }
-          // add metadata and update ui
-          if (!protocol.equals(AppletFormatAdapter.PASTE))
-          {
-            alignFrame.setFileName(file, format);
-          }
+            // add metadata and update ui
+            if (!protocol.equals(AppletFormatAdapter.PASTE))
+            {
+              alignFrame.setFileName(file, format);
+            }
 
-          alignFrame.statusBar.setText(MessageManager.formatMessage(
-                  "label.successfully_loaded_file", new String[]
-                  { title }));
+            alignFrame.statusBar.setText(MessageManager.formatMessage(
+                    "label.successfully_loaded_file",
+                    new String[] { title }));
 
-          if (raiseGUI)
-          {
-            // add the window to the GUI
-            // note - this actually should happen regardless of raiseGUI
-            // status in Jalview 3
-            // TODO: define 'virtual desktop' for benefit of headless scripts
-            // that perform queries to find the 'current working alignment'
-            Desktop.addInternalFrame(alignFrame, title,
-                    AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
-          }
+            if (raiseGUI)
+            {
+              // add the window to the GUI
+              // note - this actually should happen regardless of raiseGUI
+              // status in Jalview 3
+              // TODO: define 'virtual desktop' for benefit of headless scripts
+              // that perform queries to find the 'current working alignment'
+              Desktop.addInternalFrame(alignFrame, title,
+                      AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
+            }
 
-          try
-          {
-            alignFrame.setMaximum(jalview.bin.Cache.getDefault(
-                    "SHOW_FULLSCREEN", false));
-          } catch (java.beans.PropertyVetoException ex)
-          {
+            try
+            {
+              alignFrame.setMaximum(jalview.bin.Cache.getDefault(
+                      "SHOW_FULLSCREEN", false));
+            } catch (java.beans.PropertyVetoException ex)
+            {
+            }
           }
         }
         else
@@ -400,9 +435,14 @@ public class FileLoader implements Runnable
             Desktop.instance.stopLoading();
           }
 
-          final String errorMessage = "Couldn't load file " + title + "\n"
-                  + error;
-          if (raiseGUI)
+          final String errorMessage = MessageManager
+                  .getString("label.couldnt_load_file")
+                  + " "
+                  + title
+                  + "\n" + error;
+          // TODO: refactor FileLoader to be independent of Desktop / Applet GUI
+          // bits ?
+          if (raiseGUI && Desktop.desktop != null)
           {
             javax.swing.SwingUtilities.invokeLater(new Runnable()
             {
@@ -436,8 +476,8 @@ public class FileLoader implements Runnable
           {
             javax.swing.JOptionPane.showInternalMessageDialog(
                     Desktop.desktop, MessageManager.formatMessage(
-                            "label.problems_opening_file", new String[]
-                            { file }), MessageManager
+                            "label.problems_opening_file",
+                            new String[] { file }), MessageManager
                             .getString("label.file_open_error"),
                     javax.swing.JOptionPane.WARNING_MESSAGE);
           }
@@ -455,12 +495,12 @@ public class FileLoader implements Runnable
         {
           public void run()
           {
-            javax.swing.JOptionPane
-                    .showInternalMessageDialog(
-                            Desktop.desktop,
-                            MessageManager.formatMessage("warn.out_of_memory_loading_file", new String[]{file}),
-                            MessageManager.getString("label.out_of_memory"),
-                            javax.swing.JOptionPane.WARNING_MESSAGE);
+            javax.swing.JOptionPane.showInternalMessageDialog(
+                    Desktop.desktop, MessageManager.formatMessage(
+                            "warn.out_of_memory_loading_file", new String[]
+                            { file }), MessageManager
+                            .getString("label.out_of_memory"),
+                    javax.swing.JOptionPane.WARNING_MESSAGE);
           }
         });
       }