/// <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 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());
}
}
}
}
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));
}
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);
}
