protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
try
{
m_itemViewModel = e.Parameter as ItemViewModel;
}
catch (System.Exception ex)
{
}
InitialLoad();
}
public static ItemViewModel ConvertItemToCommon(Status status)
{
try
{
FiltPicture(status);
ItemViewModel model = new ItemViewModel();
model.IconURL = status.user.profile_image_url;
model.LargeIconURL = status.user.avatar_large;
model.Title = status.user.name;
model.Content = status.text;
model.ImageURL = MiscTool.MakeFriendlyImageURL(status.thumbnail_pic);
model.MidImageURL = MiscTool.MakeFriendlyImageURL(status.bmiddle_pic);
model.FullImageURL = MiscTool.MakeFriendlyImageURL(status.original_pic);
model.TimeObject = status.CreatedAt;
model.Type = EntryType.SinaWeibo;
model.ID = status.id;
model.SharedCount = status.reposts_count.ToString();
model.CommentCount = status.comments_count.ToString();
model.Comments = new ObservableCollection<CommentViewModel>();
if (status.IsRetweetedStatus == "Visible")
{
model.ForwardItem = new ItemViewModel();
if (status.retweeted_status.user != null)
{
model.ForwardItem.Title = status.retweeted_status.user.name;
}
model.ForwardItem.Content = status.retweeted_status.text;
model.ForwardItem.ImageURL = MiscTool.MakeFriendlyImageURL(status.retweeted_status.thumbnail_pic);
model.ForwardItem.MidImageURL = MiscTool.MakeFriendlyImageURL(status.retweeted_status.bmiddle_pic);
model.ForwardItem.FullImageURL = MiscTool.MakeFriendlyImageURL(status.retweeted_status.original_pic);
model.ForwardItem.TimeObject = status.retweeted_status.CreatedAt;
model.ForwardItem.Type = EntryType.SinaWeibo;
model.ForwardItem.SharedCount = status.retweeted_status.reposts_count.ToString();
model.ForwardItem.CommentCount = status.retweeted_status.comments_count.ToString();
model.ForwardItem.ID = status.id;
model.ForwardItem.IconURL = status.retweeted_status.user.profile_image_url;
model.ForwardItem.LargeIconURL = status.retweeted_status.user.avatar_large;
}
return model;
}
catch (System.Exception ex)
{
return null;
}
}
// 跳转到此页有2种情况
// 1:对状态本身的评论 此时m_itemViewModel有值
// 2:对评论本身的评论 此时m_itemViewModel和m_commentViewModel都需要有值
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
try
{
Dictionary<String, Object> parameters = e.Parameter as Dictionary<String, Object>;
if (parameters.ContainsKey("ItemViewModel"))
{
m_itemViewModel = parameters["ItemViewModel"] as ItemViewModel;
m_type = m_itemViewModel.Type;
}
if (parameters.ContainsKey("CommentViewModel"))
m_commentViewModel = parameters["CommentViewModel"] as CommentViewModel;
}
catch (System.Exception ex)
{
}
ChangeUIByInputType();
}
public static void RefreshViewItems()
{
App.MainViewModel.ListItems.Clear();
App.MainViewModel.ListItems.AddRange(App.MainViewModel.SinaWeiboItems);
App.MainViewModel.ListItems.AddRange(App.MainViewModel.RssItems);
App.MainViewModel.ListItems.AddRange(App.MainViewModel.RenrenItems);
App.MainViewModel.ListItems.AddRange(App.MainViewModel.DoubanItems);
App.MainViewModel.ListItems.Sort(
delegate(ItemViewModel a, ItemViewModel b)
{
return (a.TimeObject < b.TimeObject ? 1 : a.TimeObject == b.TimeObject ? 0 : -1);
}
);
App.MainViewModel.Items.Clear();
if (App.MainViewModel.ListItems.Count == 0)
{
ItemViewModel model = new ItemViewModel();
model.Title = "没有得到任何结果的说~~~";
model.Content = "请确保网络通畅。如果没有设置关注人，请到帐号设置页中登陆并设置关注人";
model.Type = EntryType.Nothing;
model.IconURL = "/Images/Thumb/DefaultAvatar.png";
model.ID = "nothing";
App.MainViewModel.ListItems.Add(model);
}
foreach (ItemViewModel item in App.MainViewModel.ListItems)
{
App.MainViewModel.Items.Add(item);
}
// 更新主页上显示的头条，并且在最后加上一个"显示更多..."的条目
// 由于主页的头条动态最开始可能是从缓存中加载的，如果两次的数据其实一模一样的话，
// 重加载一次会造成UI没必要的刷新，所以需要先与上次作比较，有区别再刷新
ObservableCollection<ItemViewModel> tempList = new ObservableCollection<ItemViewModel>();
//
int count = App.MainViewModel.Items.Count > MAX_SHOW_IN_HOMEPAGE ? MAX_SHOW_IN_HOMEPAGE : App.MainViewModel.Items.Count;
for (int i = 0; i < count; i++)
{
tempList.Add(App.MainViewModel.Items[i]);
}
if (HaveMeaningfullItem(tempList))
{
ItemViewModel showMore = new ItemViewModel();
showMore.Type = EntryType.ShowMore;
tempList.Add(showMore);
}
if (!IsItemListTheSame(tempList, App.MainViewModel.TopItems))
{
App.MainViewModel.TopItems.Clear();
foreach (ItemViewModel model in tempList)
{
App.MainViewModel.TopItems.Add(model);
}
// 离开前，先把当前的TopItem缓存起来，这样下次进来就可以直接看到了
SaveTopItemToLoaclCache();
}
// 开始刷新图片页信息
RefreshPicturePage();
// 更新桌面磁贴
UpdateTile();
}
