public void SetSelectedPathOrNavigate(string navigationPath, Type sourcePageType, NavigationArguments navArgs = null)
{
var destPath = navArgs != null ? (navArgs.IsSearchResultPage ? navArgs.SearchPathParam : navArgs.NavPathParam) : navigationPath;
var columnPath = ((ColumnHost.ActiveBlades.Last().Content as Frame)?.Content as ColumnShellPage)?.FilesystemViewModel.WorkingDirectory;
var columnFirstPath = ((ColumnHost.ActiveBlades.First().Content as Frame)?.Content as ColumnShellPage)?.FilesystemViewModel.WorkingDirectory;
if (string.IsNullOrEmpty(destPath) || string.IsNullOrEmpty(destPath) || string.IsNullOrEmpty(destPath))
{
ParentShellPageInstance.NavigateToPath(navigationPath, sourcePageType, navArgs);
return;
}
var destComponents = StorageFileExtensions.GetDirectoryPathComponents(destPath);
var columnComponents = StorageFileExtensions.GetDirectoryPathComponents(columnPath);
var columnFirstComponents = StorageFileExtensions.GetDirectoryPathComponents(columnFirstPath);
var lastCommonItemIndex = columnComponents
.Select((value, index) => new { value, index })
.LastOrDefault(x => x.index < destComponents.Count && x.value.Path == destComponents[x.index].Path)?.index ?? -1;
var relativeIndex = lastCommonItemIndex - (columnFirstComponents.Count - 1);
if (relativeIndex < 0 || destComponents.Count - (lastCommonItemIndex + 1) > 1) // Going above parent or too deep down
{
ParentShellPageInstance.NavigateToPath(navigationPath, sourcePageType, navArgs);
}
else
{
DismissOtherBlades(relativeIndex);
for (int ii = lastCommonItemIndex + 1; ii < destComponents.Count; ii++)
{
var frame = new Frame();
frame.Navigated += Frame_Navigated;
var newblade = new BladeItem();
newblade.Content = frame;
ColumnHost.Items.Add(newblade);
if (navArgs != null)
{
frame.Navigate(typeof(ColumnShellPage), new ColumnParam
{
Column = ColumnHost.ActiveBlades.IndexOf(newblade),
IsSearchResultPage = navArgs.IsSearchResultPage,
SearchQuery = navArgs.SearchQuery,
NavPathParam = destComponents[ii].Path,
SearchUnindexedItems = navArgs.SearchUnindexedItems,
SearchPathParam = navArgs.SearchPathParam
});
}
else
{
frame.Navigate(typeof(ColumnShellPage), new ColumnParam
{
Column = ColumnHost.ActiveBlades.IndexOf(newblade),
NavPathParam = destComponents[ii].Path
});
}
}
}
}