/// <summary>
/// Gets the state of a branch
/// </summary>
/// <typeparam name="TTabModel">The type of tab model</typeparam>
/// <typeparam name="TTabViewModel">The type of tab view model, currently displayed in the app.</typeparam>
/// <param name="branchVisitor">The branch to be inspected</param>
/// <param name="tabContentModelConverter">The converter that transforms tab view models to models</param>
/// <returns>The read state of the branch</returns>
private static BranchState <TTabModel> GetBranchState <TTabModel, TTabViewModel>(BranchAccessor branchVisitor, Func <TTabViewModel, TTabModel> tabContentModelConverter)
{
BranchItemState <TTabModel> firstState = null;
BranchItemState <TTabModel> secondState = null;
if (branchVisitor.FirstItemBranchAccessor != null)
{
firstState = new BranchItemState <TTabModel>(GetBranchState(branchVisitor.FirstItemBranchAccessor, tabContentModelConverter), null);
}
else
{
firstState = new BranchItemState <TTabModel>(null, GetTabSetState(branchVisitor.FirstItemTabablzControl, tabContentModelConverter));
}
if (branchVisitor.SecondItemBranchAccessor != null)
{
secondState = new BranchItemState <TTabModel>(GetBranchState(branchVisitor.SecondItemBranchAccessor, tabContentModelConverter), null);
}
else
{
secondState = new BranchItemState <TTabModel>(null, GetTabSetState(branchVisitor.SecondItemTabablzControl, tabContentModelConverter));
}
return(new BranchState <TTabModel>(
firstState,
secondState,
branchVisitor.Branch.Orientation,
branchVisitor.Branch.GetFirstProportion()));
}
/// <summary> The constructor </summary>
/// <param name="firstChild"> The first child </param>
/// <param name="secondChild"> The second child </param>
/// <param name="orientation"> The split orientation </param>
/// <param name="ratio"> The split ratio </param>
public BranchState(BranchItemState <TTabModel> firstChild, BranchItemState <TTabModel> secondChild,
Orientation orientation, double ratio)
{
this.FirstChild = firstChild;
this.SecondChild = secondChild;
this.Orientation = orientation;
this.Ratio = ratio;
}
/// <summary>
/// Gets the state of a single window
/// </summary>
/// <typeparam name="TTabModel">The type of tab model</typeparam>
/// <typeparam name="TTabViewModel">The type of tab view model, currently displayed in the app.</typeparam>
/// <param name="layout">The layout to be inspected</param>
/// <param name="tabContentModelConverter">The converter that transforms tab view models to models</param>
/// <returns>The state of the specified window</returns>
private static LayoutWindowState <TTabModel> GetLayoutState <TTabModel, TTabViewModel>(Layout layout, Func <TTabViewModel, TTabModel> tabContentModelConverter)
{
var window = Window.GetWindow(layout);
if (window == null)
{
throw new InvalidOperationException("The layout is not bound to any window");
}
var layoutAccessor = layout.Query();
BranchItemState <TTabModel> root = null;
layoutAccessor.Visit(
branchVisitor => root = new BranchItemState <TTabModel>(GetBranchState(branchVisitor, tabContentModelConverter), null),
tabablzControl => root = new BranchItemState <TTabModel>(null, GetTabSetState(tabablzControl, tabContentModelConverter))
);
return(new LayoutWindowState <TTabModel>(window.Left, window.Top, window.Width, window.Height, window.WindowState, root));
}
/// <summary>
/// The constructor
/// </summary>
/// <param name="x">The X position of the window</param>
/// <param name="y">The Y position of the window</param>
/// <param name="width">The window width</param>
/// <param name="height">The window height</param>
/// <param name="windowState">The window state</param>
/// <param name="child">The root of this layout</param>
public LayoutWindowState(double x, double y, double width, double height, WindowState windowState, BranchItemState <TTabModel> child)
{
this.X = x;
this.Y = y;
this.Width = width;
this.Height = height;
this.WindowState = windowState;
this.Child = child;
}
/// <summary>
/// Restores the state of a branch item
/// </summary>
/// <typeparam name="TTabModel">The type of tab model</typeparam>
/// <typeparam name="TTabViewModel">The type of tab view model to be displayed in the app.</typeparam>
/// <param name="tabablzControl">The control in which to restore the items</param>
/// <param name="branchItemState">The state of the branch item to be restored</param>
/// <param name="viewModelFactory">The function that creates the view model based on a model</param>
private static void RestoreBranchItemState <TTabModel, TTabViewModel>(TabablzControl tabablzControl, BranchItemState <TTabModel> branchItemState, Func <TTabModel, TTabViewModel> viewModelFactory)
{
if (branchItemState.ItemAsTabSet != null)
{
RestoreTabSetState(tabablzControl, branchItemState.ItemAsTabSet, viewModelFactory);
}
else if (branchItemState.ItemAsBranch != null)
{
RestoreBranchState(tabablzControl, branchItemState.ItemAsBranch, viewModelFactory);
}
}
