public void AddGlobalRoute(string routeName, string segment)
{
_globalRouteMatches.Add(routeName);
foreach (string path in ShellUriHandler.RetrievePaths(segment))
{
_fullSegments.Add(path);
_matchedSegments.Add(path);
}
}
public string GetNextSegmentMatch(string matchMe)
{
var segmentsToMatch = ShellUriHandler.RetrievePaths(matchMe).ToList();
// if matchMe is an absolute route then we only match
// if there are no routes already present
if (matchMe.StartsWith("/", StringComparison.Ordinal) ||
matchMe.StartsWith("\\", StringComparison.Ordinal))
{
for (var i = 0; i < _matchedSegments.Count; i++)
{
var seg = _matchedSegments[i];
if (segmentsToMatch.Count <= i || segmentsToMatch[i] != seg)
{
return(String.Empty);
}
segmentsToMatch.Remove(seg);
}
}
List <string> matches = new List <string>();
List <string> currentSet = new List <string>(_matchedSegments);
foreach (var split in segmentsToMatch)
{
string next = GetNextSegment(currentSet);
if (next == split)
{
currentSet.Add(split);
matches.Add(split);
}
else
{
return(String.Empty);
}
}
return(String.Join(_uriSeparator, matches));
}
public static ShellNavigationSource CalculateNavigationSource(Shell shell, ShellNavigationState current, NavigationRequest request)
{
if (request.StackRequest == NavigationRequest.WhatToDoWithTheStack.PushToIt)
{
return(ShellNavigationSource.Push);
}
if (current == null)
{
return(ShellNavigationSource.ShellItemChanged);
}
var targetUri = ShellUriHandler.ConvertToStandardFormat(shell, request.Request.FullUri);
var currentUri = ShellUriHandler.ConvertToStandardFormat(shell, current.FullLocation);
var targetPaths = ShellUriHandler.RetrievePaths(targetUri.PathAndQuery);
var currentPaths = ShellUriHandler.RetrievePaths(currentUri.PathAndQuery);
var targetPathsLength = targetPaths.Length;
var currentPathsLength = currentPaths.Length;
if (targetPathsLength < 4 || currentPathsLength < 4)
{
return(ShellNavigationSource.Unknown);
}
if (targetPaths[1] != currentPaths[1])
{
return(ShellNavigationSource.ShellItemChanged);
}
if (targetPaths[2] != currentPaths[2])
{
return(ShellNavigationSource.ShellSectionChanged);
}
if (targetPaths[3] != currentPaths[3])
{
return(ShellNavigationSource.ShellContentChanged);
}
if (targetPathsLength == currentPathsLength)
{
return(ShellNavigationSource.Unknown);
}
if (targetPathsLength < currentPathsLength)
{
for (var i = 0; i < targetPathsLength; i++)
{
var targetPath = targetPaths[i];
if (targetPath != currentPaths[i])
{
break;
}
if (i == targetPathsLength - 1)
{
if (targetPathsLength == 4)
{
return(ShellNavigationSource.PopToRoot);
}
return(ShellNavigationSource.Pop);
}
}
if (targetPaths[targetPathsLength - 1] == currentPaths[currentPathsLength - 1])
{
return(ShellNavigationSource.Remove);
}
if (targetPathsLength == 4)
{
return(ShellNavigationSource.PopToRoot);
}
return(ShellNavigationSource.Pop);
}
else if (targetPathsLength > currentPathsLength)
{
for (var i = 0; i < currentPathsLength; i++)
{
if (targetPaths[i] != currentPaths[i])
{
break;
}
if (i == targetPathsLength - 1)
{
return(ShellNavigationSource.Push);
}
}
}
if (targetPaths[targetPathsLength - 1] == currentPaths[currentPathsLength - 1])
{
return(ShellNavigationSource.Insert);
}
return(ShellNavigationSource.Push);
}