/// <summary>
/// Builds this instance into a Nova Tree Module.
/// </summary>
/// <param name="tree">The tree.</param>
/// <param name="page">The page.</param>
/// <returns></returns>
internal NovaTreeModule Build(INovaTree tree, INavigatablePage page)
{
var nodes = BuildNovaTreeNodes(page);
var module = new NovaTreeModule(Title, tree, nodes);
return(module);
}
/// <summary>
/// Builds the nova treenode step.
/// </summary>
/// <param name="page">The page.</param>
/// <returns></returns>
internal override NovaTreeNodeStep Build(INavigatablePage page)
{
var command = page.CreateNavigationalAction <TView, TViewModel>(Id, _parameters);
var node = new NovaTreeNodeStep <TView, TViewModel>(Id, Title, command);
return(node);
}
/// <summary>
/// Builds the node.
/// </summary>
/// <param name="page">The page.</param>
/// <param name="isStartupNode">if set to <c>true</c> [is startup node].</param>
/// <returns></returns>
internal override NovaTreeNodeBase Build(INavigatablePage page, bool isStartupNode)
{
var steps = _steps.Select(x => x.Build(page));
var group = Guid.NewGuid();
var node = new NovaMultiStepTreeNode(Title, steps, group, isStartupNode);
return(node);
}
/// <summary>
/// Builds this instance into a Nova Tree Node
/// </summary>
/// <param name="page">The page.</param>
/// <param name="isStartupNode">if set to <c>true</c> [is startup node].</param>
/// <returns></returns>
internal override NovaTreeNodeBase Build(INavigatablePage page, bool isStartupNode)
{
var command = _createNavigationalAction(page);
var node = new NovaTreeNode(_id, Title, _pageType, _viewModelType, command, isStartupNode);
return(node);
}
/// <summary>
/// Builds the nodes.
/// </summary>
/// <param name="page">The page.</param>
/// <returns></returns>
internal IEnumerable <NovaTreeNodeBase> BuildNovaTreeNodes(INavigatablePage page)
{
var nodes = _treeNodes.OrderByDescending(x => x.Rank)
.Select(x => x.Build(page, x == _startUpTreeNode))
.Distinct()
.ToList()
.AsReadOnly();
return(nodes);
}
/// <inheritdoc />
public bool Navigate(INavigatablePage page, object parameter)
{
if (page.PlatformPage is Type pageType)
{
return(Frame.Navigate(pageType, parameter));
}
throw new ArgumentException("指定平台 page.PlatformPage 不是 Type" +
$"\r\n can not convert {page.PlatformPage.GetType()} to Type");
}
/// <inheritdoc />
public bool Navigate(INavigatablePage page, object parameter)
{
return(Frame.Navigate(page.PlatformPage, parameter));
}
/// <summary>
/// 创建包含页面
/// </summary>
/// <param name="viewModel"></param>
/// <param name="page"></param>
public ViewModelPage(INavigatableViewModel viewModel, INavigatablePage page)
{
ViewModel = viewModel;
Page = page;
Key = viewModel.Name;
}
/// <summary>
/// Builds this instance into a Nova Tree Module.
/// </summary>
/// <param name="tree">The tree.</param>
/// <param name="page">The page.</param>
/// <returns></returns>
internal NovaTreeModule Build(INovaTree tree, INavigatablePage page)
{
var nodes = BuildNovaTreeNodes(page);
var module = new NovaTreeModule(Title, tree, nodes);
return module;
}
/// <summary>
/// Builds the nodes.
/// </summary>
/// <param name="page">The page.</param>
/// <returns></returns>
internal IEnumerable<NovaTreeNodeBase> BuildNovaTreeNodes(INavigatablePage page)
{
var nodes = _treeNodes.OrderByDescending(x => x.Rank)
.Select(x => x.Build(page, x == _startUpTreeNode))
.Distinct()
.ToList()
.AsReadOnly();
return nodes;
}
/// <summary> /// Builds the node. /// </summary> /// <param name="page">The page.</param> /// <param name="isStartupNode">if set to <c>true</c> [is startup node].</param> /// <returns></returns> internal abstract NovaTreeNodeBase Build(INavigatablePage page, bool isStartupNode);
