[easytag/wip/musicbrainz-support] Fixed UI Issues

[Abhinav Jangda <abhijangda src gnome org>]

commit b5c9dde488257860b008bf1cbb52a6c5a4b2c05f
Author: Abhinav <abhijangda hotmail com>
Date:   Sun Jun 22 22:07:22 2014 +0530

    Fixed UI Issues

 src/mbentityview.c       |    9 +++++++++
 src/mbentityview.h       |    3 ++-
 src/musicbrainz_dialog.c |   18 ++++++++++++++----
 tests/error.xml          |    1 +
 4 files changed, 26 insertions(+), 5 deletions(-)
---
diff --git a/src/mbentityview.c b/src/mbentityview.c
index 8de0e5e..b422080 100644
--- a/src/mbentityview.c
+++ b/src/mbentityview.c
@@ -1114,6 +1114,15 @@ et_mb_entity_view_refresh_current_level (EtMbEntityView *entity_view)
 {
 }
 
+void
+et_mb_entity_view_clear_all (EtMbEntityView *entity_view)
+{
+    EtMbEntityViewPrivate *priv;
+
+    priv = ET_MB_ENTITY_VIEW_GET_PRIVATE (entity_view);
+    gtk_list_store_clear (GTK_LIST_STORE (priv->list_store));
+}
+
 /*
  * et_mb_entity_view_destroy:
  * @object: EtMbEntityView
diff --git a/src/mbentityview.h b/src/mbentityview.h
index f6abde6..8f63f3d 100644
--- a/src/mbentityview.h
+++ b/src/mbentityview.h
@@ -122,7 +122,8 @@ void
 et_mb_entity_view_select_up (EtMbEntityView *entity_view);
 void
 et_mb_entity_view_select_down (EtMbEntityView *entity_view);
-
+void
+et_mb_entity_view_clear_all (EtMbEntityView *entity_view);
 G_END_DECLS
 
 #endif /* __MB_ENTITY_VIEW_H__ */
\ No newline at end of file
diff --git a/src/musicbrainz_dialog.c b/src/musicbrainz_dialog.c
index 12cb059..7e86d19 100644
--- a/src/musicbrainz_dialog.c
+++ b/src/musicbrainz_dialog.c
@@ -244,17 +244,24 @@ btn_manual_find_clicked (GtkWidget *btn, gpointer user_data)
     int type;
     ManualSearchThreadData *thread_data;
 
+    cb_manual_search_in = GTK_WIDGET (gtk_builder_get_object (builder,
+                                                              "cbManualSearchIn"));
+    type = gtk_combo_box_get_active (GTK_COMBO_BOX (cb_manual_search_in));
+
+    if (type == -1)
+    {
+        return;
+    }
+
     if (g_node_first_child (mb_tree_root))
     {
         free_mb_tree (mb_tree_root);
         mb_tree_root = g_node_new (NULL);
     }
  
+    et_mb_entity_view_clear_all (ET_MB_ENTITY_VIEW (entityView));
     cb_manual_search = GTK_WIDGET (gtk_builder_get_object (builder,
                                                            "cbManualSearch"));
-    cb_manual_search_in = GTK_WIDGET (gtk_builder_get_object (builder,
-                                                              "cbManualSearchIn"));
-    type = gtk_combo_box_get_active (GTK_COMBO_BOX (cb_manual_search_in));
     thread_data = g_malloc (sizeof (ManualSearchThreadData));
     thread_data->type = type;
     thread_data->text_to_search = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (cb_manual_search));
@@ -377,7 +384,10 @@ tool_btn_refersh_clicked (GtkWidget *btn, gpointer user_data)
 static void
 btn_manual_stop_clicked (GtkWidget *btn, gpointer user_data)
 {
-    g_cancellable_cancel (mb5_search_cancellable);
+    if (G_IS_CANCELLABLE (mb5_search_cancellable))
+    {
+        g_cancellable_cancel (mb5_search_cancellable);
+    }
 }
 
 /*
diff --git a/tests/error.xml b/tests/error.xml
index c04a5cb..147cdd1 100644
--- a/tests/error.xml
+++ b/tests/error.xml
@@ -1 +1,2 @@
 <?xml version="1.0" standalone="yes"?>
+<error><text>Invalid mbid.</text><text>For usage, please see: 
http://musicbrainz.org/development/mmd</text></error>