private static void FetchTopResources(HtmlNode classC, NewsPreviewModel model)
{
var classC1 = classC.SelectSingleNode("div[@class='c1']");
if (classC1 != null)
{
try {
var classC1_Li = classC1
.SelectSingleNode("div[@class='c1_r']")
.SelectSingleNode("ol[@class='o']")
.SelectNodes("li");
model.TopImageList = new List <SimpleImgModel>();
foreach (var item in classC1_Li)
{
try {
var aRoute = item.SelectSingleNode("a[@class='o_l_80']");
model.TopImageList.Add(new SimpleImgModel {
Title = aRoute.Attributes["title"].Value,
PathUri = new Uri(aRoute.Attributes["href"].Value),
ImageUri = new Uri(aRoute.SelectSingleNode("img").Attributes["src"].Value),
});
} catch (NullReferenceException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (ArgumentNullException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (UriFormatException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
}
}
} catch { ReportError("Top5 source fetch error."); }
}
}
public static NewsPreviewModel FetchImagesIndexFromHtml(string htmlResources)
{
var pageResources = new HtmlDocument();
pageResources.LoadHtml(htmlResources);
HtmlNode rootnode = pageResources.DocumentNode;
string XPathString = "//div[@class='c']";
var classC = rootnode.SelectSingleNode(XPathString);
if (classC == null) // Pictures page mode failed
{
return(null);
}
var model = new NewsPreviewModel();
FetchSlideResources(classC, model);
FetchTopResources(classC, model);
FetchRecommendResources(classC, model);
FetchSelectResources(classC, model);
for (int i = 0; i < 4; i++)
{
FetchCollectionResources(classC, model, i);
}
return(model);
}
private void SetIndexRangeResources(NewsPreviewModel source)
{
FlipResouces.Source = source.SlideImageList;
TopResouces.Source = source.TopImageList;
RecommendResouces.Source = source.RecommendImageList;
SelectResouces.Source = source.SelectImageList;
GirlResouces.Source = source.GirlImageList;
FashionResouces.Source = source.FashionImageList;
PlaythingResouces.Source = source.PlaythingImageList;
EntResouces.Source = source.EntImageList;
NavigateState = PageState.Navigated;
flipSourceCount = source.SlideImageList.Count;
}
private static void FetchRecommendResources(HtmlNode classC, NewsPreviewModel model)
{
var classC2 = classC.SelectSingleNode("div[@class='c2']");
if (classC2 != null)
{
try {
var classC1_Ul = classC2
.SelectSingleNode("div[@class='c2_left']")
.SelectSingleNode("div[@class='c2_slide']")
.SelectSingleNode("div[@class='c2_slide_c']")
.SelectNodes("ul[@class='c2_lc']");
model.RecommendImageList = new List <SimpleImgModel>();
foreach (var ul in classC1_Ul)
{
var classC1_Li = ul.SelectNodes("li");
foreach (var item in classC1_Li)
{
try {
var aRoute = item.SelectSingleNode("a");
model.RecommendImageList.Add(new SimpleImgModel {
Title = aRoute.Attributes["title"].Value,
PathUri = new Uri(aRoute.Attributes["href"].Value),
ImageUri = new Uri(aRoute.SelectSingleNode("img").Attributes["src"].Value),
});
} catch (NullReferenceException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (ArgumentNullException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (UriFormatException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
}
}
}
} catch { ReportError("Recommend source fetch error."); }
}
}
private async void OnItemSelected(object sender, SelectedItemChangedEventArgs args)
{
var item = args.SelectedItem as ListItem;
if (item == null)
{
return;
}
var news = await $"{APIService._apiUrl}/News/{item.Id}".GetJsonAsync <News>();
string submitter = await $"{APIService._apiUrl}/Submitters/news/{news.Id}".GetStringAsync();
//$"{APIService._apiUrl}/news/image/{item.Id}"
NewsPreviewModel model = new NewsPreviewModel
{
Image = $"{APIService._apiUrl}/news/image/{news.Id}",
Name = news.Title,
DateAdded = news.DateAdded,
Description = news.Content,
Submitter = submitter
};
await Navigation.PushModalAsync(new NavigationPage(new NewsDetailsPage(model)));
}
private static void FetchCollectionResources(HtmlNode classC, NewsPreviewModel model, int index)
{
var classC3 = classC.SelectNodes("div[@class='c3']").ElementAt(index);
var targetList = new List <SimpleImgModel>();
if (classC3 != null)
{
try {
var classC1_Left = classC3.SelectNodes("div[@class='c3_l']");
foreach (var item in classC1_Left)
{
try {
var aRoute = item.SelectSingleNode("a");
targetList.Add(new SimpleImgModel {
Title = aRoute.Attributes["title"].Value,
PathUri = new Uri(aRoute.Attributes["href"].Value),
ImageUri = new Uri(aRoute.SelectSingleNode("img").Attributes["src"].Value),
});
} catch (NullReferenceException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (ArgumentNullException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (UriFormatException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
}
}
var classC1_Li = classC3
.SelectSingleNode("div[@class='c3_r']")
.SelectSingleNode("ul")
.SelectNodes("li");
foreach (var item in classC1_Li)
{
try {
var aRoute = item.SelectSingleNode("a");
targetList.Add(new SimpleImgModel {
Title = aRoute.Attributes["title"].Value,
PathUri = new Uri(aRoute.Attributes["href"].Value),
ImageUri = new Uri(aRoute.SelectSingleNode("img").Attributes["src"].Value),
});
} catch (NullReferenceException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (ArgumentNullException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (UriFormatException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
}
}
} catch { ReportError("Collection source fetch error."); }
if (index == 1)
{
var classC3B = classC.SelectSingleNode("div[@class='c3_b']");
if (classC3B != null)
{
try {
var classSpecial = classC3B
.SelectNodes("div");
foreach (var item in classSpecial)
{
try {
var aRoute = item.SelectSingleNode("a");
targetList.Add(new SimpleImgModel {
Title = aRoute.Attributes["title"].Value,
PathUri = new Uri(aRoute.Attributes["href"].Value),
ImageUri = new Uri(aRoute.SelectSingleNode("img").Attributes["src"].Value),
});
} catch (NullReferenceException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (ArgumentNullException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (UriFormatException ex) {
Debug.WriteLine(ex.StackTrace);
} catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
}
}
} catch { ReportError("Special source fetch error."); }
}
}
switch (index)
{
case 0: model.GirlImageList = targetList; break;
case 1: model.FashionImageList = targetList; break;
case 2: model.PlaythingImageList = targetList; break;
case 3: model.EntImageList = targetList; break;
default: break;
}
}
}
public NewsDetailsPage(NewsPreviewModel viewModel)
{
InitializeComponent();
BindingContext = model = viewModel;
}
