[gnome-contacts] Hooked ::delete_contacts signal.

[Erick PÃrez Castellanos <erickpc src gnome org>]

commit be78782626bb1aac6d4de108be59b585438c18df
Author: Erick PÃrez Castellanos <erick red gmail com>
Date:   Tue Feb 5 11:44:46 2013 -0500

    Hooked ::delete_contacts signal.
    
    Added notification for undo support.
    Fixed ::select_contact method on Contacts.ListPane and
    Contacts.View for getting null parameter.

 src/contacts-app.vala       |   39 +++++++++++++++++++++++++++++++++++++++
 src/contacts-list-pane.vala |    6 +++---
 src/contacts-view.vala      |    8 +++++++-
 3 files changed, 49 insertions(+), 4 deletions(-)
---
diff --git a/src/contacts-app.vala b/src/contacts-app.vala
index 0ec71ec..9a63483 100644
--- a/src/contacts-app.vala
+++ b/src/contacts-app.vala
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+using Gee;
 using Gtk;
 using Folks;
 
@@ -338,6 +339,7 @@ public class Contacts.App : Gtk.Application {
 
     list_pane = new ListPane (contacts_store);
     list_pane.selection_changed.connect (selection_changed);
+    list_pane.delete_contacts.connect (delete_contacts);
 
     grid.attach (list_pane, 0, 1, 1, 1);
 
@@ -463,6 +465,43 @@ public class Contacts.App : Gtk.Application {
     dialog.show_all ();
   }
 
+  private void delete_contacts (LinkedList<Contact> contacts_list) {
+    /* getting out of selection mode */
+    show_contact (null);
+    select_button.set_active (false);
+
+    var notification = new Gd.Notification ();
+
+    var g = new Grid ();
+    g.set_column_spacing (8);
+    notification.add (g);
+
+    string msg = _("%d contacts deleted").printf (contacts_list.size);
+    var b = new Button.from_stock (Stock.UNDO);
+    g.add (new Label (msg));
+    g.add (b);
+
+    notification.show_all ();
+    overlay.add_overlay (notification);
+
+    /* signal handlers */
+    bool really_delete = true;
+    notification.dismissed.connect ( () => {
+	if (really_delete) {
+	  foreach (var c in contacts_list) {
+	    c.remove_personas.begin ();
+	  }
+	}
+      });
+    b.clicked.connect ( () => {
+	really_delete = false;
+	notification.dismiss ();
+	  foreach (var c in contacts_list) {
+	    c.show ();
+	  }
+      });
+  }
+
   private void delete_contact (Contact contact) {
     /* unsetting edit-mode */
     contact_name.set_text (null);
diff --git a/src/contacts-list-pane.vala b/src/contacts-list-pane.vala
index f01364b..3c65788 100644
--- a/src/contacts-list-pane.vala
+++ b/src/contacts-list-pane.vala
@@ -111,8 +111,8 @@ public class Contacts.ListPane : Frame {
     this.add (grid);
 
     contacts_view.selection_changed.connect( (l, contact) => {
-	if (!ignore_selection_change)
-	  selection_changed (contact);
+        if (!ignore_selection_change)
+          selection_changed (contact);
       });
 
     contacts_view.add_to_scrolled (scrolled);
@@ -165,7 +165,7 @@ public class Contacts.ListPane : Frame {
       });
   }
 
-  public void select_contact (Contact contact, bool ignore_change = false) {
+  public void select_contact (Contact? contact, bool ignore_change = false) {
     if (ignore_change)
       ignore_selection_change = true;
     contacts_view.select_contact (contact);
diff --git a/src/contacts-view.vala b/src/contacts-view.vala
index 211078d..a4f842e 100644
--- a/src/contacts-view.vala
+++ b/src/contacts-view.vala
@@ -330,7 +330,13 @@ public class Contacts.View : Egg.ListBox {
     separator = null;
   }
 
-  public void select_contact (Contact contact) {
+  public void select_contact (Contact? contact) {
+    if (contact == null) {
+      /* deselect */
+      select_child (null);
+      return;
+    }
+
     var data = contacts.get (contact);
     select_child (data.grid);
   }