/// <summary>
/// Initializes a new instance of the <see cref="SectionRowViewModel"/> class.
/// </summary>
/// <param name="section"> The <see cref="Models.Section"/> associated to this section row view-model.</param>
/// <param name="sectionParent">The parent of the section.</param>
public SectionRowViewModel(Section section, SectionRowViewModel sectionParent)
{
this.SectionParent = sectionParent;
this.Section = section;
this.ContainedSections = new ReactiveList <SectionRowViewModel>();
this.Name = section.Name;
this.PagePath = section.PagePath;
this.AreSubsectionsLoaded = false;
this.InitializeRowViewIcons();
this.WhenAnyValue(vm => vm.IsExpanded)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.ReactOnIsExpandedChange());
}
/// <summary>
/// Update the view model from the new Documentation directory.
/// </summary>
public void ReactOnPathDocumentationIndexChange()
{
if (this.IsDocumentationLoaded)
{
return;
}
if (!File.Exists(this.PathDocumentationIndex))
{
throw new FileNotFoundException(string.Format("Could not find the index file at the path : '{0}'", this.pathDocumentationIndex));
}
this.FirstsRowSections.Clear();
this.markdownToHtml = new MarkdownToHtml(this.RootAppData);
var bookFileHandler = new BookFileHandler();
this.Book = bookFileHandler.DeserializeJsonBook(this.PathDocumentationIndex);
if (this.UpdateIndexation)
{
this.markdownToHtml.TransformTheWholeDocumentationIntoHtml(this.Book, this.PathDocumentationIndex);
}
this.DocumentationSearches = new DocumentationSearches(this.PathDocumentationIndex, this.RootAppData, this.Book, this.UpdateIndexation);
this.BookTitle = this.Book.Title ?? "Table of Contents";
if (this.Book.Sections.Count >= 1)
{
foreach (var section in this.Book.Sections)
{
var sectionViewModel = new SectionRowViewModel(section, null);
this.FirstsRowSections.Add(sectionViewModel);
}
}
this.WhenAnyValue(vm => vm.SelectedSection).ObserveOn(RxApp.MainThreadScheduler).Subscribe(_ => this.ReactOnSelectionChange());
this.LoadBookMainPage();
this.IsDocumentationLoaded = true;
this.WhenAnyValue(vm => vm.SearchText)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.ReactOnSearchTextChange());
this.WhenAnyValue(vm => vm.SuggestedPageSelected)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => this.ReactOnSuggestedPageSelected());
}
/// <summary>
/// Create a dummy child if the section represented by this view-model contains subsections. The creation of a dummy child and the inclusion
/// in the <see cref="ContainedSections"/> list reveal the expandable button of the view associated to this view-model.
/// This method also choose the appropriate icon to display in the view associated to this view-model.
/// </summary>
public void InitializeRowViewIcons()
{
if (this.HasSection())
{
var dummyChild = new SectionRowViewModel();
this.ContainedSections.Add(dummyChild);
this.DisplayedImagePath = FolderImage;
return;
}
if (this.PagePath != null)
{
this.DisplayedImagePath = PageImage;
return;
}
this.DisplayedImagePath = null;
}