public void Select(ListItem item)
{
if (item == null)
{
return;
}
var feed = item as NewsFeed;
if (feed != null)
{
_selectedFeed = feed;
ServiceRegistration.Get <IWorkflowManager>().NavigatePush(WORKFLOWSTATEID_NEWSITEMS, new NavigationContextConfig
{
NavigationContextDisplayLabel = feed.Title
});
}
else
{
var feedItem = item as NewsItem;
if (feedItem != null)
{
_selectedItem = feedItem;
ServiceRegistration.Get <IWorkflowManager>().NavigatePush(WORKFLOWSTATEID_NEWSITEMDETAIL, new NavigationContextConfig
{
NavigationContextDisplayLabel = feedItem.PublishDate.ToString("g", ServiceRegistration.Get <ILocalization>().CurrentCulture)
});
}
}
}
public void ChangeModelContext(NavigationContext oldContext, NavigationContext newContext, bool push)
{
if (!push)
{
if (oldContext.WorkflowState.StateId == WORKFLOWSTATEID_NEWSITEMS)
{
_selectedFeed = null;
}
else if (oldContext.WorkflowState.StateId == WORKFLOWSTATEID_NEWSITEMDETAIL)
{
_selectedItem = null;
}
}
}
public static NewsFeed ReadFeed(string feedUrl)
{
SyndicationFeed feed = SyndicationFeed.Load(XmlReader.Create(feedUrl));
var newFeed = new NewsFeed
{
Title = feed.Title != null ? feed.Title.Text : string.Empty,
Description = feed.Description != null ? feed.Description.Text : string.Empty,
LastUpdated = feed.LastUpdatedTime.LocalDateTime,
Icon = GetCachedOrDownloadImage(feed.ImageUrl)
};
foreach (var item in feed.Items)
{
newFeed.Items.Add(TransformItem(item, newFeed));
}
return newFeed;
}
static NewsItem TransformItem(SyndicationItem item, NewsFeed targetFeed)
{
var newItem = new NewsItem
{
Id = GetItemId(item),
Feed = targetFeed,
Title = item.Title != null ? item.Title.Text : string.Empty,
PublishDate = item.PublishDate.LocalDateTime,
Summary = GetItemSummary(item),
Thumb = GetItemThumb(item)
};
return newItem;
}
public void ChangeModelContext(NavigationContext oldContext, NavigationContext newContext, bool push)
{
if (!push)
{
if (oldContext.WorkflowState.StateId == WORKFLOWSTATEID_NEWSITEMS)
{
_selectedFeed = null;
}
else if (oldContext.WorkflowState.StateId == WORKFLOWSTATEID_NEWSITEMDETAIL)
{
_selectedItem = null;
}
}
}
public void Select(ListItem item)
{
if (item == null)
return;
var feed = item as NewsFeed;
if (feed != null)
{
_selectedFeed = feed;
int firstWordEnd = feed.Title.IndexOf(' ');
string newStateLabel = firstWordEnd > 0 ? feed.Title.Substring(0, firstWordEnd) : feed.Title;
ServiceRegistration.Get<IWorkflowManager>().NavigatePush(WORKFLOWSTATEID_NEWSITEMS, new NavigationContextConfig
{
NavigationContextDisplayLabel = newStateLabel
});
}
else
{
var feedItem = item as NewsItem;
if (feedItem != null)
{
_selectedItem = feedItem;
ServiceRegistration.Get<IWorkflowManager>().NavigatePush(WORKFLOWSTATEID_NEWSITEMDETAIL, new NavigationContextConfig
{
NavigationContextDisplayLabel = feedItem.PublishDate.ToString("g", ServiceRegistration.Get<ILocalization>().CurrentCulture)
});
}
}
}
