public string SaveState()
{
var state = new RepositoryViewModelState()
{
ActiveItemIndex = Items.IndexOf(ActiveItem)
};
if (null != _vmCommits.Commits)
{
state.Commits = _vmCommits.Commits.ToList();
}
if (null != _vmIssues.Issues)
{
state.Issues = _vmIssues.Issues.ToList();
}
if (null != _vmContents.PathTree)
{
state.PathTree = _vmContents.PathTree;
}
if (null != _vmContents.Breadcrumbs)
{
state.Breadcrumbs = _vmContents.Breadcrumbs.ToList();
}
if (null != _vmContents.Branches)
{
state.Branches = _vmContents.Branches;
}
if (null != _vmContents.SelectedBranch)
{
state.SelectedBranchName = _vmContents.SelectedBranch.Name;
}
return(JsonConvert.SerializeObject(state));
}
public void LoadState(string jsonState)
{
RepositoryViewModelState state = null;
try
{
// Catch errors on deserializing state (ie vastly changed state object models between versions)
state = JsonConvert.DeserializeObject <RepositoryViewModelState>(jsonState);
}
catch (Exception ex)
{
Debug.WriteLine("LoadState: " + ex.ToString());
return;
}
// No state? Do nothing, get out of here
if (null == state)
{
return;
}
if (null != state.Commits)
{
_vmCommits.Commits = new ObservableCollection <GhCommit>(state.Commits);
}
if (null != state.Issues)
{
_vmIssues.Issues = new ObservableCollection <GhIssue>(state.Issues);
}
if (null != state.PathTree)
{
_vmContents.PathTree = state.PathTree;
}
if (null != state.Breadcrumbs)
{
_vmContents.Breadcrumbs = new ObservableCollection <GhTreeItem>(state.Breadcrumbs);
}
if (null != state.Branches)
{
_vmContents.Branches = state.Branches;
}
if (!String.IsNullOrWhiteSpace(state.SelectedBranchName) && null != _vmContents.Branches)
{
_vmContents.SelectedBranch = _vmContents.Branches.FirstOrDefault(b => b.Name == state.SelectedBranchName);
}
// Do this last as this would call OnInitialize right away before restoring sub-state
var activeItem = Items.ElementAtOrDefault(state.ActiveItemIndex);
ActiveItem = activeItem;
}
