[gnome-latex: 96/205] Save as: confirmation before replacing a file

[Sébastien Wilmet <swilmet src gnome org>]

commit 752e74acd5487569424ad75f6724430ae51ed0f1
Author: Sébastien Wilmet <sebastien wilmet gmail com>
Date:   Sun Oct 11 20:02:39 2009 +0200

    Save as: confirmation before replacing a file

 TODO            |  4 ++--
 src/callbacks.c | 48 +++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 45 insertions(+), 7 deletions(-)
---
diff --git a/TODO b/TODO
index cee12a8..b97c2a2 100644
--- a/TODO
+++ b/TODO
@@ -11,8 +11,8 @@ Sat Oct 10, 2009 to Fri Oct 16, 2009
 [x] symbol tables
        x mathematical sets (N, Z, Q, R, C) in misc math
 
-[-] save as
-       - confirmation before replacing a file which already exists
+[x] save as
+       x confirmation before replacing a file which already exists
 
 [x] bugs correction
 
diff --git a/src/callbacks.c b/src/callbacks.c
index a27e788..408cde4 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -119,7 +119,7 @@ cb_save_as (void)
        // if the user click on cancel
        if (! latexila.active_doc->saved)
        {
-               (*latexila.active_doc) = doc_backup;
+               *latexila.active_doc = doc_backup;
                set_title ();
        }
 }
@@ -995,14 +995,52 @@ save_as_dialog (void)
                        NULL
        );
 
-       if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
+       while (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
        {
-               latexila.active_doc->path = gtk_file_chooser_get_filename (
-                               GTK_FILE_CHOOSER (dialog));
-               gchar *uri = gtk_file_chooser_get_uri ( GTK_FILE_CHOOSER (dialog));
+               gchar *filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+               
+               if (g_file_test (filename, G_FILE_TEST_EXISTS))
+               {
+                       GtkWidget *confirmation = gtk_message_dialog_new (
+                                       latexila.main_window,
+                                       GTK_DIALOG_MODAL,
+                                       GTK_MESSAGE_QUESTION,
+                                       GTK_BUTTONS_NONE,
+                                       _("A file named \"%s\" already exists. Do you want to replace it?"),
+                                       g_path_get_basename (filename));
+
+                       gtk_dialog_add_button (GTK_DIALOG (confirmation),
+                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+
+                       // button replace created by hand because we use the icon "save as"
+                       // with the text "replace"
+                       GtkWidget *button_replace = gtk_button_new_with_label (_("Replace"));
+                       GtkWidget *icon = gtk_image_new_from_stock (GTK_STOCK_SAVE_AS,
+                                       GTK_ICON_SIZE_BUTTON);
+                       gtk_button_set_image (GTK_BUTTON (button_replace), icon);
+                       gtk_dialog_add_action_widget (GTK_DIALOG (confirmation),
+                                       button_replace, GTK_RESPONSE_YES);
+                       gtk_widget_show (button_replace);
+
+                       gint response = gtk_dialog_run (GTK_DIALOG (confirmation));
+                       gtk_widget_destroy (confirmation);
+
+                       // return to the file chooser dialog so the user can choose an other
+                       // file
+                       if (response != GTK_RESPONSE_YES)
+                       {
+                               g_free (filename);
+                               continue;
+                       }
+               }
+
+               latexila.active_doc->path = filename;
+               gchar *uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
 
                GtkRecentManager *manager = gtk_recent_manager_get_default ();
                gtk_recent_manager_add_item (manager, uri);
+
+               break;
        }
 
        gtk_widget_destroy (dialog);