JAL-3141 Added a 'Save Project as...' File menu item, always asks for filename. Alter...

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

diff --git a/src/jalview/gui/Desktop.java b/src/jalview/gui/Desktop.java
index 8d9e366..6e3c11b 100644 (file)
--- a/src/jalview/gui/Desktop.java
+++ b/src/jalview/gui/Desktop.java
@@ -26,6 +26,7 @@ import jalview.api.AlignViewportI;
 import jalview.api.AlignmentViewPanel;
 import jalview.bin.Cache;
 import jalview.bin.Jalview;
+import jalview.io.BackupFiles;
 import jalview.io.DataSourceType;
 import jalview.io.FileFormat;
 import jalview.io.FileFormatException;
@@ -1607,20 +1608,39 @@ public class Desktop extends jalview.jbgui.GDesktop
   @Override
   public void saveState_actionPerformed(ActionEvent e)
   {
-    JalviewFileChooser chooser = new JalviewFileChooser("jvp",
-            "Jalview Project");
+    saveState_actionPerformed(e, false);
+  }
 
-    chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle(MessageManager.getString("label.save_state"));
+  public void saveState_actionPerformed(ActionEvent e, boolean saveAs)
+  {
+    java.io.File projectFile = getProjectFile();
+    // autoSave indicates we already have a file and don't need to ask
+    boolean autoSave = projectFile != null && !saveAs && BackupFiles.getEnabled();
 
-    int value = chooser.showSaveDialog(this);
+    System.out.println("autoSave="+autoSave+", projectFile='"+projectFile+"', saveAs="+saveAs+", Backups "+(BackupFiles.getEnabled()?"enabled":"disabled"));
 
-    if (value == JalviewFileChooser.APPROVE_OPTION)
+    boolean approveSave = false;
+    if (!autoSave)
     {
-      final Desktop me = this;
-      final java.io.File choice = chooser.getSelectedFile();
-      setProjectFile(choice);
+      JalviewFileChooser chooser = new JalviewFileChooser("jvp",
+              "Jalview Project");
 
+      chooser.setFileView(new JalviewFileView());
+      chooser.setDialogTitle(MessageManager.getString("label.save_state"));
+
+      int value = chooser.showSaveDialog(this);
+
+      if (value == JalviewFileChooser.APPROVE_OPTION)
+      {
+        projectFile = chooser.getSelectedFile();
+        setProjectFile(projectFile);
+        approveSave = true;
+      }
+    }
+
+    if (approveSave || autoSave) {
+      final Desktop me = this;
+      final java.io.File chosenFile = projectFile;
       new Thread(new Runnable()
       {
         @Override
@@ -1629,38 +1649,49 @@ public class Desktop extends jalview.jbgui.GDesktop
           // TODO: refactor to Jalview desktop session controller action.
           setProgressBar(MessageManager.formatMessage(
                   "label.saving_jalview_project", new Object[]
-                  { choice.getName() }), choice.hashCode());
+                  { chosenFile.getName() }), chosenFile.hashCode());
           jalview.bin.Cache.setProperty("LAST_DIRECTORY",
-                  choice.getParent());
+                  chosenFile.getParent());
           // TODO catch and handle errors for savestate
           // TODO prevent user from messing with the Desktop whilst we're saving
           try
           {
-            new Jalview2XML().saveState(choice);
+            BackupFiles backupfiles = new BackupFiles(chosenFile);
+
+            new Jalview2XML().saveState(backupfiles.getTempFile());
+
+            backupfiles.setWriteSuccess(true);
+            backupfiles.rollBackupsAndRenameTempFile();
           } catch (OutOfMemoryError oom)
           {
             new OOMWarning(
-                    "Whilst saving current state to " + choice.getName(),
+                    "Whilst saving current state to " + chosenFile.getName(),
                     oom);
           } catch (Exception ex)
           {
             Cache.log.error(
-                    "Problems whilst trying to save to " + choice.getName(),
+                    "Problems whilst trying to save to " + chosenFile.getName(),
                     ex);
             JvOptionPane.showMessageDialog(me,
                     MessageManager.formatMessage(
                             "label.error_whilst_saving_current_state_to",
                             new Object[]
-                            { choice.getName() }),
+                            { chosenFile.getName() }),
                     MessageManager.getString("label.couldnt_save_project"),
                     JvOptionPane.WARNING_MESSAGE);
           }
-          setProgressBar(null, choice.hashCode());
+          setProgressBar(null, chosenFile.hashCode());
         }
       }).start();
     }
   }
 
+  @Override
+  public void saveAsState_actionPerformed(ActionEvent e)
+  {
+    saveState_actionPerformed(e, true);
+  }
+
   private void setProjectFile(File choice)
   {
     this.projectFile = choice;