Bug388500 - Add option to remove deleted files from the history list

If a file is opened from the history list and does not exist the dialog
advises of this and asks if it should be removed from the list. If a
file is opened from the command line and does not exist, the normal
dialog is used

src/bin/gnucash-bin.c

@@ -605,8 +605,11 @@ get_file_to_load()
     if (file_to_load)
         return g_strdup(file_to_load);
     else
+    {
+        gnc_history_set_file_from_history(TRUE);
         return gnc_history_get_last();
     }
+}
 
 static void
 inner_main (void *closure, int argc, char **argv)
@@ -654,6 +657,7 @@ inner_main (void *closure, int argc, char **argv)
     {
         gnc_update_splash_screen(_("Loading data..."), GNC_SPLASH_PERCENTAGE_UNKNOWN);
         gnc_file_open_file(fn, /*open_readonly*/ FALSE);
+        gnc_history_set_file_from_history(FALSE);
         g_free(fn);
     }
     else if (gnc_prefs_get_bool(GNC_PREFS_GROUP_NEW_USER, GNC_PREF_FIRST_STARTUP))

src/gnome-utils/gnc-file.c

@@ -373,10 +373,19 @@ show_session_error (QofBackendError io_error,
             uh_oh = FALSE;
         }
         else
+        {
+            if (gnc_history_test_for_file (displayname))
+            {
+                fmt = _("The file/URI %s could not be found.\n\nThe file is in the history list, do you want to remove it?");
+                if (gnc_verify_dialog (parent, FALSE, fmt, displayname))
+                    gnc_history_remove_file (displayname);
+            }
+            else
             {
                 fmt = _("The file/URI %s could not be found.");
                 gnc_error_dialog (parent, fmt, displayname);
             }
+        }
         break;
 
     case ERR_FILEIO_FILE_TOO_OLD:

src/gnome-utils/gnc-plugin-file-history.c

@@ -67,6 +67,7 @@ static QofLogModule log_module = GNC_MOD_GUI;
 /* Command callbacks */
 static void gnc_plugin_file_history_cmd_open_file (GtkAction *action, GncMainWindowActionData *data);
 
+static gboolean file_from_history = FALSE;
 
 /** The label given to the main window for this plugin. */
 #define PLUGIN_ACTIONS_NAME "gnc-plugin-file-history-actions"
@@ -262,6 +263,38 @@ gnc_history_remove_file (const char *oldfile)
     }
 }
 
+
+/** Test for a file name existing in the history list.
+ *
+ *  @param oldfile The name of the file to remove from the list.
+ */
+gboolean gnc_history_test_for_file (const char *oldfile)
+{
+    gchar *filename, *from;
+    gint i;
+    gboolean found = FALSE;
+
+    if (!oldfile)
+        return FALSE;
+    if (!g_utf8_validate(oldfile, -1, NULL))
+        return FALSE;
+
+    for (i = 0; i < MAX_HISTORY_FILES; i++)
+    {
+        from = gnc_history_index_to_pref_name(i);
+        filename = gnc_prefs_get_string(GNC_PREFS_GROUP_HISTORY, from);
+
+        if (filename && file_from_history)
+        {
+            if (g_utf8_collate(oldfile, filename) == 0)
+                found = TRUE;
+        }
+        g_free(from);
+    }
+    return found;
+}
+
+
 /*  Retrieve the name of the file most recently accessed.  This is the
  *  name at the front of the list.  Since the "list" is actually a
  *  sequence of up to ten preference names, this is the value of the first preference.
@@ -279,6 +312,14 @@ gnc_history_get_last (void)
 }
 
 
+/* Set the source of the open file, True for History.
+ */
+void
+gnc_history_set_file_from_history (gboolean set)
+{
+    file_from_history = set;
+}
+
 /************************************************************
  *                     Other Functions                      *
  ************************************************************/
@@ -662,10 +703,12 @@ gnc_plugin_file_history_cmd_open_file (GtkAction *action,
      * Which progress bar should we be using? One in a window, or
      * in a new "file loading" dialog???
      */
+    file_from_history = TRUE;
     filename = g_object_get_data(G_OBJECT(action), FILENAME_STRING);
     gnc_window_set_progressbar_window (GNC_WINDOW(data->window));
     /* also opens new account page */
     gnc_file_open_file (filename, /*open_readonly*/ FALSE);
+    file_from_history = FALSE;
     gnc_window_set_progressbar_window (NULL);
 }
 

src/gnome-utils/gnc-plugin-file-history.h

@@ -97,6 +97,11 @@ void gnc_history_add_file (const char *filename);
  */
 void gnc_history_remove_file (const char *oldfile);
 
+/** Test for a file name existing in the history list.
+ *
+ *  @param oldfile The name of the file to remove from the list.
+ */
+gboolean gnc_history_test_for_file (const char *oldfile);
 
 /** Retrieve the name of the file most recently accessed.  This is the
  *  name at the front of the list.
@@ -107,6 +112,10 @@ void gnc_history_remove_file (const char *oldfile);
  */
 char * gnc_history_get_last (void);
 
+/** Set the source of the open file, True for History.
+ */
+void gnc_history_set_file_from_history (gboolean set);
+
 G_END_DECLS
 
 #endif /* __GNC_PLUGIN_FILE_HISTORY_H */