/*
private string GetMergeWords(int numOfWordsPerPage_, LinkedList<string> contentWords, bool isNoMoreText)
{
//Helper method to collect context of page
var piece_ = new StringBuilder();
for (int i_ = 0; i_ < numOfWordsPerPage_; i_++)
{
if (contentWords.Count > 0)
{
string word_ = contentWords.First.Value;
piece_.Append(word_).Append(" ");
contentWords.RemoveFirst();
}
else
{
isNoMoreText = true;
break;
}
}
return piece_.ToString();
}
*/
private void AppendHelper(DataModel.NewsItem item, string itemGuid)
{
var uItem = MiscHelpers.CreateUINewsItem(item);
var pages = new LinkedList<Page>();
//Text-related
var content = uItem.NewsContent;
//ToDo: Handle when content is null
if (content == null) return;
//Check if context is in English or other lanaguage
bool isOtherLanguage = content.ToCharArray().Any(c => char.GetUnicodeCategory(c) == UnicodeCategory.OtherLetter);
int numOfWordsPerPage;
int numOfWordsPerPage2;
string[] words;
//Split the words according to its language
if (isOtherLanguage)
{
numOfWordsPerPage = _sizeConfig[3];
numOfWordsPerPage2 = _sizeConfig[4];
words = content.ToCharArray().Select(c => c.ToString()).ToArray();
}
else
{
numOfWordsPerPage = _sizeConfig[1];
numOfWordsPerPage2 = _sizeConfig[2];
words = content.Split(' ');
}
var contentWords = new LinkedList<string>(words);
//Image-related
var images = uItem.NewsImages;
var numOfImages = images.Count;
int imageTh = 0;
bool isNoMoreText = false;
bool isNoMoreImage = false;
//Helper method to retrieve bitmap image
var getBitmapImage = new Func<BitmapImage>(() =>
{
BitmapImage image_ = null;
if (imageTh < numOfImages && images != null && images[imageTh] != null)
{
//Collect image of page
image_ = new BitmapImage(new Uri(images[imageTh], UriKind.Absolute));
image_.CreateOptions = BitmapCreateOptions.BackgroundCreation;
imageTh++;
}
else
{
isNoMoreImage = true;
}
return image_;
});
//Helper method to collect context of page
var getMergeWords = new Func<int, string>((numOfWordsPerPage_) =>
{
var piece_ = new StringBuilder();
for (int i_ = 0; i_ < numOfWordsPerPage_; i_++)
{
if (contentWords.Count > 0)
{
string word_ = contentWords.First.Value;
piece_.Append(word_).Append(" ");
contentWords.RemoveFirst();
}
else
{
isNoMoreText = true;
break;
}
}
return piece_.ToString();
});
for (int k = 0; k < 10; k++)
{
string text = "";
BitmapImage image1 = getBitmapImage();
BitmapImage image2 = null;
if (!isNoMoreImage)
{
if (!isNoMoreText)
{
text = getMergeWords(numOfWordsPerPage);
}
else
{
image2 = getBitmapImage();
}
}
else
{
text = getMergeWords(numOfWordsPerPage2);
}
//Validate image by its dimension
if (image1 != null && image1.PixelWidth < 100)
{
image1 = null;
text += getMergeWords(numOfWordsPerPage2);
}
if (image2 != null && image2.PixelWidth < 100)
{
image2 = null;
text += getMergeWords(numOfWordsPerPage2);
}
//Create page object and append it to page-list
if (!(image1 == null && image2 == null && "".Equals(text)))
{
string title = null;
if (_categoryName != null)
{
title = _cf[_categoryName]["title"];
}
pages.AddLast(new Page
{
Header = null,
SubHeader = null,
Content = text,
NewsImageSource = image1,
NewsImageSource2 = image2,
Category = title,
FontSize = _sizeConfig[0],
WebLink = uItem.NewsLink
});
}
else
{
break;
}
if (isNoMoreText && isNoMoreImage)
{
break;
}
}
//var favouriteChannelItem = MiscHelpers.GetChannelItemFromIsolatedStorage("fbd-favorites.xml");
//var readLaterChannelItem = MiscHelpers.GetChannelItemFromIsolatedStorage("fbd-readlater.xml");
//Set header and sub-header on the 1st page
var firstPage = pages.First.Value;
firstPage.Header = uItem.NewsTitle;
firstPage.FeedTitle = uItem.FeedTitle;
firstPage.NewsPublishedDateDisplay = uItem.NewsPublishedDateDisplay;
/*
firstPage.ImageFavourite = _m.IsNewsItemInList(favouriteChannelItem, uItem.Tag.ToString())
? _m.imageFavouriteOn
: _m.imageFavouriteOff;
firstPage.ImageReadLater = _m.IsNewsItemInList(readLaterChannelItem, uItem.Tag.ToString())
? _m.imageReadLaterOn
: _m.imageReadLaterOff;
*/
firstPage.Tag = uItem.Tag;
//Create vertical page-slider for 1 article
var radSlideView = new RadSlideView();
radSlideView.Orientation = System.Windows.Controls.Orientation.Vertical;
radSlideView.TransitionMode = SlideViewTransitionMode.Flip;
radSlideView.ItemTemplateSelector = PageTemplateSelector;
radSlideView.ItemsSource = pages;
//Create pivot-item, insert it to pivot (SlideView)
var grid = new Grid { Height = 800, Margin = new Thickness(0) };
grid.Children.Add(radSlideView);
var pivotItem = new PivotItem { Content = grid, Margin = new Thickness(0), Tag = item };
SlideView.Items.Add(pivotItem);
if (itemGuid.Equals(item.Tag.ToString()))
{
SlideView.SelectedItem = pivotItem;
_currentViewingItem = item;
//Add news-item to historical view
GeneralHelper.AddToHistoricalView(item);
SetMarkers(_currentViewingItem);
}
}
private void SlideViewSlided(object sender, SelectionChangedEventArgs e)
{
var pivot = sender as Pivot;
var newsItem = pivot.SelectedItem as PivotItem;
if (newsItem != null)
{
_currentViewingItem = newsItem.Tag as DataModel.NewsItem;
//Add news-item to historical view
GeneralHelper.AddToHistoricalView(_currentViewingItem);
SetMarkers(_currentViewingItem);
}
}
private void DownloadCompletedCallback(Object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error != null) return;
if (string.IsNullOrEmpty(e.Result)) return;
var root = JsonConvert.DeserializeObject<DataModel.FacebookFeeds>(e.Result);
DataModel.ChannelItem channelItem = null;
if (root.Data != null)
{
var fbfeeds = root.Data;
var entry = fbfeeds[0];
var newsItemList = new List<DataModel.NewsItem>();
foreach (var f in fbfeeds)
{
var title = f.Name;
if (f.From != null && f.From.Name != null)
{
title = f.From.Name;
}
var message = f.Message;
if (f.Message == null)
{
message = f.Caption;
}
if (f.Message != null && f.Caption != null && f.Caption.Length > f.Message.Length)
{
message = f.Caption;
}
var item = new DataModel.NewsItem()
{
Tag = "news|" + f.Link + "|fbfeeds",
NewsContent = message,
NewsLink = f.Link,
NewsSnippet = message,
NewsTitle = title,
NewsImages = new List<string>(){f.Picture},
FeedTitle = "Facebook",
FeedUrl = "fbfeeds",
IsNew = false
};
newsItemList.Add(item);
}
channelItem = new DataModel.ChannelItem()
{
Tag = "feed|fbfeeds|fbfeeds",
NewsItems = newsItemList,
NewsContent = entry.Message,
NewsLink = entry.Link,
NewsSnippet = entry.Message,
NewsTitle = entry.Name,
NewsImages = new List<string>() { entry.Picture }
};
//var userToken = e.UserState as DataModel.UserToken;
}
else
{
//ToDO: Feed obj not available, provide url instead
channelItem = new DataModel.ChannelItem()
{
Tag = "feed|fbfeeds|fbfeeds"
};
}
var u = e.UserState as DataModel.UserToken;
if (u != null)
{
// Write to the Isolated Storage
if (u.DataFetchType != null)
{
MiscHelpers.SaveDataToIsolatedStorage(u.DataFetchType + ".xml", channelItem, typeof(DataModel.ChannelItem));
/*
if ((u.DataFetchType).StartsWith("fbd-"))
{
AppendFreshNewsItemToChannelStorage(new KeyValuePair<string, DataModel.ChannelItem>("fbfeeds",
channelItem));
}
else
{
MiscHelpers.SaveDataToIsolatedStorage(u.DataFetchType + ".xml", channelItem, typeof(DataModel.ChannelItem));
}
*/
}
//Reset variables
//_newsList = new List<DataModel.ContextItem>();
//Call ScheduledAgent's NotifyCompleted() or other callback
if (u.Callback != null)
{
(u.Callback).Invoke();
}
}
else
{
//Web-fetch only: _feedItemlist
}
}