[gnome-boxes] wizard: Only enable 'Continue' for valid URIs

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit e4080c518d83c251322548adba5d4164a5e3ed55
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Mon Feb 16 17:29:58 2015 +0000

    wizard: Only enable 'Continue' for valid URIs
    
    We currently enable the 'Continue' button as soon as URL entry in
    non-empty. Lets not enable it until we have a validated URI in the entry.

 src/wizard.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/wizard.vala b/src/wizard.vala
index cb2c0d9..8b55c8f 100644
--- a/src/wizard.vala
+++ b/src/wizard.vala
@@ -164,7 +164,7 @@ private class Boxes.Wizard: Gtk.Stack, Boxes.UI {
             break;
 
         case Boxes.SourcePage.URL:
-            next_button.sensitive = wizard_source.uri.length != 0;
+            next_button.sensitive = false;
 
             var text = _("Please enter desktop or collection URI");
             var icon = "preferences-desktop-remote-desktop";
@@ -177,6 +177,7 @@ private class Boxes.Wizard: Gtk.Stack, Boxes.UI {
                 } else
                     text = _("Will add a single box.");
 
+                next_button.sensitive = true;
             } catch (GLib.Error error) {
                 // ignore any parsing error
             }