void OnButtonPressed(object sender, Gtk.ButtonPressEventArgs args)
{
switch (args.Event.Button) {
case 3: // third mouse button (right-click)
clickedTask = null;
Gtk.TreeView tv = sender as Gtk.TreeView;
if (tv == null)
return;
Gtk.TreeModel model = tv.Model;
Gtk.TreeIter iter;
Gtk.TreePath path;
Gtk.TreeViewColumn column = null;
if (!tv.GetPathAtPos ((int) args.Event.X,
(int) args.Event.Y, out path, out column))
return;
if (!model.GetIter (out iter, path))
return;
clickedTask = model.GetValue (iter, 0) as ITask;
if (clickedTask == null)
return;
Menu popupMenu = new Menu ();
ImageMenuItem item;
item = new ImageMenuItem (Catalog.GetString ("_Notes..."));
item.Image = new Gtk.Image (noteIcon);
item.Activated += OnShowTaskNotes;
popupMenu.Add (item);
popupMenu.Add (new SeparatorMenuItem ());
item = new ImageMenuItem (Catalog.GetString ("_Delete task"));
item.Image = new Gtk.Image(Gtk.Stock.Delete, IconSize.Menu);
item.Activated += OnDeleteTask;
popupMenu.Add (item);
item = new ImageMenuItem(Catalog.GetString ("_Edit task"));
item.Image = new Gtk.Image(Gtk.Stock.Edit, IconSize.Menu);
item.Activated += OnEditTask;
popupMenu.Add (item);
/*
* Depending on the currently selected task's category, we create a context popup
* here in order to enable changing categories. The list of available categories
* is pre-filtered as to not contain the current category and the AllCategory.
*/
TreeModelFilter filteredCategories = new TreeModelFilter(Application.Backend.Categories, null);
filteredCategories.VisibleFunc = delegate(TreeModel t, TreeIter i) {
ICategory category = t.GetValue (i, 0) as ICategory;
if (category == null || category is AllCategory || category.Equals(clickedTask.Category))
return false;
return true;
};
// The categories submenu is only created in case we actually provide at least one category.
if (filteredCategories.GetIterFirst(out iter))
{
Menu categoryMenu = new Menu();
CategoryMenuItem categoryItem;
filteredCategories.Foreach(delegate(TreeModel t, TreePath p, TreeIter i) {
categoryItem = new CategoryMenuItem((ICategory)t.GetValue(i, 0));
categoryItem.Activated += OnChangeCategory;
categoryMenu.Add(categoryItem);
return false;
});
// TODO Needs translation.
item = new ImageMenuItem(Catalog.GetString("_Change category"));
item.Image = new Gtk.Image(Gtk.Stock.Convert, IconSize.Menu);
item.Submenu = categoryMenu;
popupMenu.Add(item);
}
popupMenu.ShowAll();
popupMenu.Popup ();
// Logger.Debug ("Right clicked on task: " + task.Name);
break;
}
}