/// <summary>
/// Ensures the nav menu reflects reality when navigation is triggered outside of
/// the nav menu buttons.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
if (e.NavigationMode == NavigationMode.Back)
{
var item = (from p in this.navlist where p.DestPage == e.SourcePageType select p).SingleOrDefault();
if (item == null && this.AppFrame.BackStackDepth > 0)
{
// In cases where a page drills into sub-pages then we'll highlight the most recent
// navigation menu item that appears in the BackStack
foreach (var entry in this.AppFrame.BackStack.Reverse())
{
item = (from p in this.navlist where p.DestPage == entry.SourcePageType select p).SingleOrDefault();
if (item != null)
{
break;
}
}
}
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
// While updating the selection state of the item prevent it from taking keyboard focus. If a
// user is invoking the back button via the keyboard causing the selected nav menu item to change
// then focus will remain on the back button.
if (container != null)
{
container.IsTabStop = false;
}
NavMenuList.SetSelectedItem(container);
if (container != null)
{
container.IsTabStop = true;
}
}
}
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
if (e.NavigationMode == NavigationMode.Back)
{
var item = (from p in this.navlist where p.DestPage == e.SourcePageType select p).SingleOrDefault();
if (item == null && this.AppFrame.BackStackDepth > 0)
{
// In cases where a page drills into sub-pages then we'll highlight the most recent
// navigation menu item that appears in the BackStack
foreach (var entry in this.AppFrame.BackStack.Reverse())
{
item = (from p in this.navlist where p.DestPage == entry.SourcePageType select p).SingleOrDefault();
if (item != null)
{
break;
}
}
}
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
if (container != null)
{
container.IsTabStop = false;
}
NavMenuList.SetSelectedItem(container);
if (container != null)
{
container.IsTabStop = true;
}
}
}
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
if (e.NavigationMode == NavigationMode.Back)
{
var item = (from p in this.navlist where p.DestPage == e.SourcePageType select p).SingleOrDefault();
if (item == null && this.AppFrame.BackStackDepth > 0)
{
foreach (var entry in this.AppFrame.BackStack.Reverse())
{
item = (from p in this.navlist where p.DestPage == entry.SourcePageType select p).SingleOrDefault();
if (item != null)
{
break;
}
}
}
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
if (container != null)
{
container.IsTabStop = false;
}
NavMenuList.SetSelectedItem(container);
if (container != null)
{
container.IsTabStop = true;
}
}
}
/// <summary>
/// Enable or disable the selected items from the navigation ListView
/// </summary>
/// <param name="collection">Collection of items to update</param>
/// <param name="enable">Enable or disable</param>
private void EnableNavMenuItem(IEnumerable <NavMenuItem> collection, bool enable)
{
foreach (NavMenuItem it in collection)
{
ListViewItem container = (ListViewItem)NavMenuList.ContainerFromItem(it);
if (container != null)
{
container.IsEnabled = enable;
}
}
}
/// <summary>
/// Gets the container from the given navigation item, either from the main list or the bottom dock.
/// </summary>
/// <remarks>
/// UpdateLayout is invoked to make sure the containers are available even when the ListView was not rendered.
/// </remarks>
/// <param name="item">The navigation menu item.</param>
/// <returns>The list view item container.</returns>
private ListViewItem GetContainerFromItem(NavMenuItem item)
{
NavMenuList.UpdateLayout();
NavMenuList.ScrollIntoView(item);
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
if (container == null)
{
NavMenuListBottomDock.UpdateLayout();
container = (ListViewItem)NavMenuListBottomDock.ContainerFromItem(item);
}
return(container);
}
/// <summary>
/// Ensures the nav menu reflects reality when navigation is triggered outside of
/// the nav menu buttons.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
_appVersion.Text = string.Format("Version: {0}.{1}.{2}.{3}",
Windows.ApplicationModel.Package.Current.Id.Version.Major,
Windows.ApplicationModel.Package.Current.Id.Version.Minor,
Windows.ApplicationModel.Package.Current.Id.Version.Build,
Windows.ApplicationModel.Package.Current.Id.Version.Revision);
if (e.NavigationMode == NavigationMode.New)
{
//Updates nav menu if invoked from back/next buttons.
{
List <NavMenuItem> newList = new List <NavMenuItem>
{
navlist[0],
navlist2[0],
//navlist2[1],
//navlist2[2],
//navlist2[3],
navlist3[0]
};
var item = (from p in (newList) where p.DestPage == e.SourcePageType select p).SingleOrDefault();
//Set blue tab indicator for selected page
//foreach (var i in this.navlist)
//{
// i.IsSelected = false;
//}
//foreach (var i in this.navlist2)
//{
// i.IsSelected = false;
//}
//foreach (var i in this.navlist3)
//{
// i.IsSelected = false;
//}
if (item != null)
{
item.IsSelected = true;
}
//Set the selected container.
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
Debug.WriteLine("" + container);
}
}
}
/// <summary>
/// Ensures the nav menu reflects reality when navigation is triggered outside of
/// the nav menu buttons.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
if (e.NavigationMode == NavigationMode.New)
{
//Updates nav menu if invoked from back/next buttons.
{
List <NavMenuItem> newList = new List <NavMenuItem>();
newList.Add(navlist[0]);
newList.Add(navlist[1]);
newList.Add(navlist[2]);
newList.Add(navlist2[0]);
newList.Add(navlist2[1]);
newList.Add(navlist2[2]);
newList.Add(navlist2[3]);
newList.Add(navlist3[0]);
var item = (from p in (newList) where p.DestPage == e.SourcePageType select p).SingleOrDefault();
//Set blue tab indicator for selected page
foreach (var i in this.navlist)
{
i.IsSelected = false;
}
foreach (var i in this.navlist2)
{
i.IsSelected = false;
}
foreach (var i in this.navlist3)
{
i.IsSelected = false;
}
if (item != null)
{
item.IsSelected = true;
}
//Set the selected container.
var container = (ListViewItem)NavMenuList.ContainerFromItem(item);
Debug.WriteLine("" + container);
}
}
}
/// <summary>
/// Ensures the nav menu reflects reality when navigation is triggered outside of
/// the nav menu buttons.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
{
//if (e.NavigationMode == NavigationMode.Back)
if (e.SourcePageType == typeof(ViewerPage))
{
return;
}
var item = (from p in this.navlist where p.DestPage == e.SourcePageType select p).SingleOrDefault();
//if (item == null && this.AppFrame.BackStackDepth > 0)
//{
// // In cases where a page drills into sub-pages then we'll highlight the most recent
// // navigation menu item that appears in the BackStack
// foreach (var entry in this.AppFrame.BackStack.Reverse())
// {
// item = (from p in this.navlist where p.DestPage == entry.SourcePageType select p).SingleOrDefault();
// if (item != null)
// break;
// }
//}
HighlightNavigationBtn((ListViewItem)NavMenuList.ContainerFromItem(item));
}