private void OnNavigateCommand(TreeViewItemCommandContext context)
{
var folder = (FolderViewModel)context.Item;
if (folder.Emails.Count > 0)
{
var navigationService = DependencyService.Get <INavigationService>();
navigationService.NavigateToAsync <DetailsViewModel>(folder);
}
}
private void OnActivateCommand(TreeViewItemCommandContext context)
{
if (this.Folder != null)
{
this.Folder.IsActive = false;
}
var folder = (FolderViewModel)context.Item;
if (this.Folder != folder && folder.Parent != null)
{
this.Folder = folder;
this.Folder.IsActive = true;
}
else
{
this.Folder = null;
}
}
private void OnCollapseCommand(TreeViewItemCommandContext context)
{
var folder = (FolderViewModel)context.Item;
folder.Icon = ClosedFolderIcon;
}
private void OnExpandCommand(TreeViewItemCommandContext context)
{
var folder = (FolderViewModel)context.Item;
folder.Icon = OpenFolderIcon;
}