private IEnumerable<Rank> ParseRanks(IEnumerable<XElement> nodes)
{
var ranks = new List<Rank>();
foreach (var node in nodes)
{
int difficulty = int.Parse(node.Attribute("difficulty").Value);
var huntNodes = node.Elements("Hunt");
var rank = new Rank(huntNodes);
rank.Difficulty = difficulty;
rank.Reward = node.Attribute("reward").Value;
ranks.Add(rank);
}
return ranks;
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
_rank = navigationParameter as Rank;
var huntItems = _rank.Hunts.OrderBy(x => x.Level)
.Select(x => new HuntViewModel
{
Title = x.Title,
Subtitle = x.Reward,
Description = x.Tasks.Count() == 1 ? "1 monster" : x.Tasks.Count() + " monsters",
Image = string.Empty,
Monsters = x.Tasks.Select(task => new MonsterViewModel
{
Image = string.Empty,
Name = task.Monster,
Quantity = task.Quantity,
Task = task
})
});
// TODO: Assign a bindable group to this.DefaultViewModel["Group"]
this.DefaultViewModel["Group"] = new {Title = "Hunts"};
// TODO: Assign a collection of bindable items to this.DefaultViewModel["Items"]
this.DefaultViewModel["Items"] = huntItems;
if (pageState == null)
{
// When this is a new page, select the first item automatically unless logical page
// navigation is being used (see the logical page navigation #region below.)
if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null)
{
this.itemsViewSource.View.MoveCurrentToFirst();
}
}
else
{
// Restore the previously saved state associated with this page
if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null)
{
// TODO: Invoke this.itemsViewSource.View.MoveCurrentTo() with the selected
// item as specified by the value of pageState["SelectedItem"]
HuntViewModel targetItem = pageState["SelectedItem"] as HuntViewModel;
int index = huntItems.TakeWhile(hunt => hunt.Title != targetItem.Title).Count();
this.itemsViewSource.View.MoveCurrentToPosition(index);
}
}
}
