/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel()
{
LoadUrlCommand = new RelayCommand(OnLoadUrl);
ParseUrlCommand = new RelayCommand(OnParseUrl, () => !string.IsNullOrEmpty(URL));
ExportCommand = new RelayCommand(OnExport);
GetUrlsCommand = new RelayCommand(OnGetUrls);
_catalogObservableList = new ObservableCollection<CatalogNodeViewModel>();
CatalogCollectionView = new ListCollectionView(_catalogObservableList);
if (IsInDesignMode)
{
// Code runs in Blend --> create design time data.
URL = "http://hqfz.cnblgos.com";
CnBlogName = "hqfz";
var catalog = new CatalogNodeViewModel();
catalog.CurrentEntity.Title = "Catalog1";
var article = new ArticleViewModel();
article.CurrentEntity.Title = "Article1";
catalog.AddArticle(article);
_catalogObservableList.Add(catalog);
}
else
{
// Code runs "for real"
URL = "http://www.cnblogs.com/artech/default.html?page=1";
CnBlogName = "artech";
}
}
internal void AddArticle(ArticleViewModel articleViewModel)
{
_articlesObservableList.Add(articleViewModel);
}
private async void OnParseUrl()
{
_catalogObservableList.Clear();
var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
Content = "Analyzing...";
await Task.Run(() =>
{
IBlogProcess blogProcess = new CnblogProcess();
return blogProcess.ParseCatalogs(CnBlogName);
}).ContinueWith(
t =>
{
Content = "Create tree...";
foreach (var catalog in t.Result)
{
var catalogViewModel = new CatalogNodeViewModel(catalog);
foreach (var article in catalog.Articles)
{
var articleViewModel = new ArticleViewModel(article);
catalogViewModel.AddArticle(articleViewModel);
}
_catalogObservableList.Add(catalogViewModel);
}
Content = "Analyzing is finished";
}, scheduler);
}
internal void AddArticle(ArticleViewModel articleViewModel)
{
_articlesObservableList.Add(articleViewModel);
}