private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
// Set a flag so that, in narrow mode, details-only navigation doesn't occur if
// the CurrentArticle is changed solely as a side-effect of changing the CurrentFeed.
if (e.PropertyName == nameof(ViewModel.CurrentFeed))
{
isCurrentFeedNew = true;
}
else if (e.PropertyName == nameof(ViewModel.CurrentArticle))
{
if (ViewModel.CurrentArticle != null)
{
ArticleWebView.Navigate(ViewModel.CurrentArticle.Link);
}
else
{
ArticleWebView.NavigateToString(string.Empty);
}
if (AdaptiveStates.CurrentState == NarrowState)
{
bool switchToDetailsView = !isCurrentFeedNew;
isCurrentFeedNew = false;
if (switchToDetailsView)
{
// Use "drill in" transition for navigating from master list to detail view
Frame.Navigate(typeof(DetailPage), null, new DrillInNavigationTransitionInfo());
}
}
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
var url = (string)e.NavigationParameter;
var articleEntity = await _frontPageManager.GetArticleMetaData(url);
ArticleWebView.NavigateToString(articleEntity.ArticleHtml);
}
private void Address_OnTapped(object sender, TappedRoutedEventArgs e)
{
var tblk = sender as TextBlock;
Uri targetUri = new Uri(tblk.Text);
ArticleWebView.Navigate(targetUri);
}
private async void calculateArticleHeight()
{
var _HeightString = await ArticleWebView.InvokeScriptAsync("eval",
new[] { "document.body.scrollHeight.toString()" });
double height = Window.Current.Bounds.Height;
ArticleWebView.Height = height;
}
private async Task loadArticle()
{
//var uri = new Uri(ArticleAdressBeg + SelectedArticle.ID);
/*var uri = new Uri(SelectedArticle.link);
* var HttpClient = new HttpClient();
* string resultHTML = "";
* string finalHTML = "";
*
* // Always catch network exceptions for async methods
* try
* {
* resultHTML = await HttpClient.GetStringAsync(uri);
* }
* catch (Exception ex)
* {
* // TODO
* }
*
*
* HtmlDocument htmlDoc = new HtmlDocument();
* htmlDoc.LoadHtml(resultHTML);
* HtmlNode node = htmlDoc.GetElementbyId("content");
* HtmlNodeCollection nodeCollection = node.ChildNodes;
* foreach (HtmlNode child in nodeCollection)
* {
* if (child.Name.Equals("article"))
* {
* HtmlNodeCollection articleNodeCollection = child.ChildNodes;
* foreach (HtmlNode articleChild in articleNodeCollection)
* {
* if (articleChild.GetAttributeValue("class", "").Equals("entry-content"))
* {*/
// finalHTML = articleChild.OuterHtml;
/*HtmlNodeCollection contentNodeCollection = child.ChildNodes;
* foreach (HtmlNode contentChild in contentNodeCollection)
* {
* if (contentChild.Name.Equals("p"))
* {
* finalHTML += contentChild.OuterHtml;
* }
* }*/
/*}
* }
* }
* }*/
//this.ArticleWebView.Height = 0;
//string finalHtml = (String)uri
Uri uri = new Uri(ArticleAdressBeg + SelectedArticle.ID);
ArticleWebView.Navigate(uri);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (ViewModel.CurrentArticle != null)
{
ArticleWebView.Navigate(ViewModel.CurrentArticle.Link);
}
// Register for hardware and software back request from the system
SystemNavigationManager systemNavigationManager = SystemNavigationManager.GetForCurrentView();
systemNavigationManager.BackRequested += DetailPage_BackRequested;
systemNavigationManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
ViewModel.IsHamburgerMenuVisible = false;
}
public MasterDetailPage()
{
InitializeComponent();
bool isCurrentFeedNew = false;
ViewModel.PropertyChanged += (s, e) =>
{
// Set a flag so that, in narrow mode, details-only navigation doesn't occur if
// the CurrentArticle is changed solely as a side-effect of changing the CurrentFeed.
if (e.PropertyName == nameof(ViewModel.CurrentFeed))
{
isCurrentFeedNew = true;
}
else if (e.PropertyName == nameof(ViewModel.CurrentArticle))
{
if (isCurrentFeedNew)
{
isCurrentFeedNew = false;
if (AdaptiveStates.CurrentState == NarrowState)
{
return;
}
}
if (AdaptiveStates.CurrentState == NarrowState && !isCurrentFeedNew)
{
// Use "drill in" transition for navigating from master list to detail view
Frame.Navigate(typeof(DetailPage), null, new DrillInNavigationTransitionInfo());
}
else
{
if (ViewModel.CurrentArticle != null)
{
ArticleWebView.Navigate(ViewModel.CurrentArticle.Link);
}
else
{
ArticleWebView.NavigateToString(string.Empty);
}
isCurrentFeedNew = false;
// Play a refresh animation when the user switches detail items.
//EnableContentTransitions();
}
}
};
}
private void ViewModelOnOpenWebView(string html, int id)
{
_currentId = id;
var uiSettings = new Windows.UI.ViewManagement.UISettings();
var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Accent);
var color1 = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.AccentDark2);
var color2 = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.AccentLight2);
var css = Css.Replace("AccentColourBase", "#" + color.ToString().Substring(3)).
Replace("AccentColourLight", "#" + color2.ToString().Substring(3)).
Replace("AccentColourDark", "#" + color1.ToString().Substring(3))
.Replace("BodyBackgroundThemeColor",
Settings.SelectedTheme == ApplicationTheme.Dark ? "#2d2d2d" : "#e6e6e6")
.Replace("BodyForegroundThemeColor",
Settings.SelectedTheme == ApplicationTheme.Dark ? "white" : "black").Replace(
"HorizontalSeparatorColor", Settings.SelectedTheme == ApplicationTheme.Dark ? "#0d0d0d" : "#b3b3b3");
ArticleWebView.NavigateToString(css + Begin + html + "</div></body></html>");
}
private void ViewModelOnOpenWebView(string html, int id)
{
//back nav
ViewModelLocator.NavMgr.RegisterOneTimeMainOverride(new RelayCommand(() =>
{
ViewModel.WebViewVisibility = false;
ViewModel.ArticleIndexVisibility = true;
ViewModelLocator.GeneralMain.CurrentStatus = ViewModel.PrevWorkMode != null &&
ViewModel.PrevWorkMode.Value == ArticlePageWorkMode.Articles
? "Articles"
: "News";
ViewModel.CurrentNews = -1;
}));
//
ArticleWebView.NavigateToString(CssManager.WrapWithCss(html));
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
slug = Intent.GetIntExtra("slug", 0);
handler = new Handler();
articlePresenter = new ArticlePresenter(this);
toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
toolbar.SetNavigationIcon(Resource.Drawable.back_24dp);
SetSupportActionBar(toolbar);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
toolbar.SetNavigationOnClickListener(this);
toolbar.SetOnMenuItemClickListener(this);
coordinatorLayout = FindViewById <CoordinatorLayout>(Resource.Id.main_content);
collapsingToolbar = FindViewById <CollapsingToolbarLayout>(Resource.Id.collapsingtoolbar);
appbar = FindViewById <AppBarLayout>(Resource.Id.appbar);
appbar.AddOnOffsetChangedListener(this);
swipeRefreshLayout = FindViewById <SwipeRefreshLayout>(Resource.Id.swipeRefreshLayout);
swipeRefreshLayout.SetColorSchemeResources(Resource.Color.primary);
swipeRefreshLayout.SetOnRefreshListener(this);
scrollView = FindViewById <NestedScrollView>(Resource.Id.scrollView);
scrollView.ViewTreeObserver.AddOnScrollChangedListener(this);
toolbarTitle = FindViewById <TextView>(Resource.Id.toolbarTitle);
titleImage = FindViewById <ImageView>(Resource.Id.titleImage);
imgAvatar = FindViewById <ImageViewAsync>(Resource.Id.llAvatar);
org = FindViewById <ImageView>(Resource.Id.org);
txtAuthor = FindViewById <TextView>(Resource.Id.txtAuthor);
txtTitle = FindViewById <TextView>(Resource.Id.txtTitle);
txtBio = FindViewById <TextView>(Resource.Id.txtBio);
articleContent = FindViewById <ArticleWebView>(Resource.Id.postContent);
txtTime = FindViewById <TextView>(Resource.Id.txtTime);
txtGood = FindViewById <TextView>(Resource.Id.txtGood);
txtComments = FindViewById <TextView>(Resource.Id.txtComments);
swipeRefreshLayout.Post(async() =>
{
await articlePresenter.GetClientArticle(slug);
});
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
dataTranferManager.DataRequested += DataTransferManager_DataRequested;
if (ViewModel.CurrentArticle != null)
{
if (ViewModel.CurrentArticle.Link?.WithoutScheme() != ArticleWebView.Source?.WithoutScheme())
{
ArticleWebView.Navigate(ViewModel.CurrentArticle.Link);
}
else
{
ArticleWebView.Visibility = Visibility.Visible;
}
}
var backStack = Frame.BackStack;
var backStackCount = backStack.Count;
if (backStackCount > 0)
{
var masterPageEntry = backStack[backStackCount - 1];
backStack.RemoveAt(backStackCount - 1);
// Clear the navigation parameter so that navigation back to the
// MasterDetail page won't reset the current article selection.
var modifiedEntry = new PageStackEntry(
masterPageEntry.SourcePageType,
null,
masterPageEntry.NavigationTransitionInfo
);
backStack.Add(modifiedEntry);
}
// Register for hardware and software back request from the system
SystemNavigationManager systemNavigationManager = SystemNavigationManager.GetForCurrentView();
systemNavigationManager.BackRequested += DetailPage_BackRequested;
systemNavigationManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
ViewModel.IsInDetailsMode = true;
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.Parameter is Uri || e.Parameter == null ||
(e.Parameter is string && String.IsNullOrEmpty(e.Parameter as string)))
{
if (MasterFrame.CurrentSourcePageType != typeof(FeedView))
{
MasterFrame.Navigate(typeof(FeedView));
}
var feedUri = e.Parameter as Uri;
if (feedUri != null)
{
var feed = ViewModel.Feeds.FirstOrDefault(f => f.Link == feedUri);
ViewModel.CurrentFeed = feed;
await feed.RefreshAsync();
var article = feed.Articles.FirstOrDefault();
if (article != null)
{
ViewModel.CurrentArticle = article;
ArticleWebView.Navigate(article.Link);
}
}
}
else
{
var viewType = e.Parameter as Type;
if (viewType != null && MasterFrame.CurrentSourcePageType != viewType)
{
MasterFrame.Navigate(viewType);
}
UpdateForVisualState(AdaptiveStates.CurrentState);
}
}
private void ViewModelOnOpenWebView(string html, MalNewsUnitModel item)
{
//BackNav
ViewModelLocator.NavMgr.RegisterBackNav(PageIndex.PageArticles,
item.Type == MalNewsType.Article
? MalArticlesPageNavigationArgs.Articles
: MalArticlesPageNavigationArgs.News);
//
_currentId = ViewModel.Articles.IndexOf(item);
var uiSettings = new Windows.UI.ViewManagement.UISettings();
var color = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.Accent);
var color1 = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.AccentDark2);
var color2 = uiSettings.GetColorValue(Windows.UI.ViewManagement.UIColorType.AccentLight2);
var css = Css.Replace("AccentColourBase", "#" + color.ToString().Substring(3)).
Replace("AccentColourLight", "#" + color2.ToString().Substring(3)).
Replace("AccentColourDark", "#" + color1.ToString().Substring(3))
.Replace("BodyBackgroundThemeColor",
Settings.SelectedTheme == (int)ApplicationTheme.Dark ? "#2d2d2d" : "#e6e6e6")
.Replace("BodyForegroundThemeColor",
Settings.SelectedTheme == (int)ApplicationTheme.Dark ? "white" : "black").Replace(
"HorizontalSeparatorColor", Settings.SelectedTheme == (int)ApplicationTheme.Dark ? "#0d0d0d" : "#b3b3b3");
ArticleWebView.NavigateToString(css + Begin + html + "</div></body></html>");
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
NavMgr.ResetBackNav();
ArticleWebView.NavigateToString("");
base.OnNavigatedFrom(e);
}
