Formatting
[jalview.git] / src / jalview / io / FileLoader.java
index 40b8ffb..86c1cf4 100755 (executable)
+/*\r
+ * Jalview - A Sequence Alignment Editor and Viewer\r
+ * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ *\r
+ * This program is free software; you can redistribute it and/or\r
+ * modify it under the terms of the GNU General Public License\r
+ * as published by the Free Software Foundation; either version 2\r
+ * of the License, or (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
+ */\r
+\r
 package jalview.io;\r
 \r
-import jalview.gui.AlignFrame;\r
-import jalview.gui.Jalview2XML;\r
-import javax.swing.JOptionPane;\r
-import jalview.datamodel.Alignment;\r
-import jalview.gui.Desktop;\r
-import jalview.datamodel.SequenceI;\r
-import jalview.gui.Preferences;\r
+import java.util.*;\r
+\r
+import javax.swing.*;\r
+\r
+import jalview.datamodel.*;\r
+import jalview.gui.*;\r
 \r
 public class FileLoader\r
+    implements Runnable\r
 {\r
+  String file;\r
+  String protocol;\r
+  String format;\r
+  AlignViewport viewport;\r
+  AlignFrame alignFrame;\r
+\r
+  public void LoadFile(AlignViewport viewport, String file, String protocol,\r
+                       String format)\r
+  {\r
+    this.viewport = viewport;\r
+    LoadFile(file, protocol, format);\r
+  }\r
+\r
   public void LoadFile(String file, String protocol, String format)\r
   {\r
-    LoadingThread loader = new LoadingThread(file, protocol, format);\r
-    loader.start();\r
+    this.file = file;\r
+    this.protocol = protocol;\r
+    this.format = format;\r
+\r
+    final Thread loader = new Thread(this);\r
+\r
+    SwingUtilities.invokeLater(new Runnable()\r
+    {\r
+      public void run()\r
+      {\r
+        loader.start();\r
+      }\r
+    });\r
   }\r
 \r
   public AlignFrame LoadFileWaitTillLoaded(String file, String protocol,\r
-                                                  String format)\r
+                                           String format)\r
   {\r
-    LoadingThread loader = new LoadingThread(file, protocol, format);\r
+    this.file = file;\r
+    this.protocol = protocol;\r
+    this.format = format;\r
+\r
+    Thread loader = new Thread(this);\r
     loader.start();\r
+\r
     while (loader.isAlive())\r
     {\r
       try\r
       {\r
-        Thread.sleep(50);\r
+        Thread.sleep(500);\r
       }\r
       catch (Exception ex)\r
       {}\r
     }\r
 \r
-    return loader.af;\r
+    return alignFrame;\r
   }\r
 \r
+  public void updateRecentlyOpened()\r
+  {\r
+    Vector recent = new Vector();\r
 \r
-  class LoadingThread\r
-    extends Thread\r
-{\r
-  String file;\r
-  String protocol;\r
-  String format;\r
-  AlignFrame af;\r
+    String type = protocol.equals(FormatAdapter.FILE)\r
+        ? "RECENT_FILE" : "RECENT_URL";\r
 \r
-  public LoadingThread(String file, String protocol, String format)\r
-  {\r
-    this.file = file;\r
-    this.protocol = protocol;\r
-    this.format = format;\r
-  }\r
+    String historyItems = jalview.bin.Cache.getProperty(type);\r
 \r
-  public void run()\r
-  {\r
-    SequenceI[] sequences = null;\r
+    StringTokenizer st;\r
 \r
-    if (format.equalsIgnoreCase("Jalview"))\r
+    if (historyItems != null)\r
     {\r
-      af = Jalview2XML.LoadJalviewAlign(file);\r
+      st = new StringTokenizer(historyItems, "\t");\r
+\r
+      while (st.hasMoreTokens())\r
+      {\r
+        recent.addElement(st.nextElement().toString().trim());\r
+      }\r
     }\r
-    else\r
+\r
+    if (recent.contains(file))\r
     {\r
-      if (FormatAdapter.formats.contains(format))\r
+      recent.remove(file);\r
+    }\r
+\r
+    StringBuffer newHistory = new StringBuffer(file);\r
+    for (int i = 0; i < recent.size() && i < 10; i++)\r
+    {\r
+      newHistory.append("\t");\r
+      newHistory.append(recent.elementAt(i));\r
+    }\r
+\r
+    jalview.bin.Cache.setProperty(type, newHistory.toString());\r
+\r
+    if (type.equals(FormatAdapter.FILE))\r
+    {\r
+      jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", format);\r
+    }\r
+  }\r
+\r
+  public void run()\r
+  {\r
+    try\r
+    {\r
+      if (Desktop.instance != null)\r
       {\r
-        sequences = FormatAdapter.readFile(file, protocol, format);\r
+        Desktop.instance.startLoading(file);\r
       }\r
 \r
-      if ( (sequences != null) && (sequences.length > 0))\r
-      {\r
-        af = new AlignFrame(new Alignment(sequences));\r
-        af.currentFileFormat = format;\r
-        af.statusBar.setText("Successfully loaded file " + file);\r
+      Alignment al = null;\r
 \r
-        Desktop.addInternalFrame(af, file, AlignFrame.NEW_WINDOW_WIDTH,\r
-                           AlignFrame.NEW_WINDOW_HEIGHT);\r
+      if (format.equalsIgnoreCase("Jalview"))\r
+      {\r
+        alignFrame = new Jalview2XML().LoadJalviewAlign(file);\r
+      }\r
+      else\r
+      {\r
+        String error = AppletFormatAdapter.SUPPORTED_FORMATS;\r
 \r
+        if (FormatAdapter.isValidFormat(format))\r
+        {\r
+          try\r
+          {\r
+            al = new FormatAdapter().readFile(file, protocol, format);\r
+          }\r
+          catch (java.io.IOException ex)\r
+          {\r
+            error = ex.getMessage();\r
+          }\r
+        }\r
 \r
-        try\r
+        if ( (al != null) && (al.getHeight() > 0))\r
         {\r
-          af.setMaximum(jalview.bin.Cache.getDefault("SHOW_FULLSCREEN", false));\r
+          if (viewport != null)\r
+          {\r
+            for (int i = 0; i < al.getHeight(); i++)\r
+            {\r
+              viewport.getAlignment().addSequence(al.getSequenceAt(i));\r
+            }\r
+            viewport.firePropertyChange("alignment", null,\r
+                                        viewport.getAlignment().getSequences());\r
+\r
+          }\r
+          else\r
+          {\r
+            alignFrame = new AlignFrame(al,\r
+                                        AlignFrame.DEFAULT_WIDTH,\r
+                                        AlignFrame.DEFAULT_HEIGHT);\r
+\r
+            alignFrame.statusBar.setText("Successfully loaded file " + file);\r
+            alignFrame.setFileName(file, format);\r
+\r
+            Desktop.addInternalFrame(alignFrame, file,\r
+                                     AlignFrame.DEFAULT_WIDTH,\r
+                                     AlignFrame.DEFAULT_HEIGHT);\r
+\r
+            try\r
+            {\r
+              alignFrame.setMaximum(jalview.bin.Cache.getDefault(\r
+                  "SHOW_FULLSCREEN", false));\r
+            }\r
+            catch (java.beans.PropertyVetoException ex)\r
+            {\r
+            }\r
+          }\r
         }\r
-        catch (Exception ex)\r
+        else\r
         {\r
+          if (Desktop.instance != null)\r
+          {\r
+            Desktop.instance.stopLoading();\r
+          }\r
+\r
+          final String errorMessage = "Couldn't load file " + file + "\n" +\r
+              error;\r
+\r
+          javax.swing.SwingUtilities.invokeLater(new Runnable()\r
+          {\r
+            public void run()\r
+            {\r
+              JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
+                  errorMessage,\r
+                  "Error loading file",\r
+                  JOptionPane.WARNING_MESSAGE);\r
+            }\r
+          });\r
         }\r
       }\r
-      else\r
+\r
+      updateRecentlyOpened();\r
+\r
+    }\r
+    catch (OutOfMemoryError er)\r
+    {\r
+\r
+      er.printStackTrace();\r
+      alignFrame = null;\r
+\r
+      javax.swing.SwingUtilities.invokeLater(new Runnable()\r
       {\r
-        JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-                                              "Couldn't open file.\n" +\r
-                                              "Formats currently supported are\n" +\r
-                                              "Fasta, MSF, Clustal, BLC, PIR, MSP, and PFAM" // JBPNote - message should be generated through FormatAdapter!\r
-                                              , "Error loading file",\r
-                                              JOptionPane.WARNING_MESSAGE);\r
-      }\r
+        public void run()\r
+        {\r
+          javax.swing.JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
+              "Out of memory loading file " + file + "!!"\r
+              +\r
+              "\nSee help files for increasing Java Virtual Machine memory."\r
+              , "Out of memory",\r
+              javax.swing.JOptionPane.WARNING_MESSAGE);\r
+        }\r
+      });\r
     }\r
+\r
+    System.gc();\r
+    if (Desktop.instance != null)\r
+    {\r
+      Desktop.instance.stopLoading();\r
+    }\r
+\r
   }\r
-}\r
 \r
 }\r