/// <summary>
/// Clear all of the searches and go to the Top List without any chosen results
/// </summary>
public void ClearSearches()
{
AllSearches.Clear();
var newSearch = new SearchVM();
AllSearches.Add(newSearch);
CurrentSearch = newSearch;
CurrentSearch.GoToTopList();
}
/// <summary>
/// Switch to another search. Search must be present in AllSearches already
/// </summary>
/// <param name="switchTo">Search to switch to</param>
public void SwitchToSearch(SearchVM switchTo)
{
if (AllSearches.Contains(switchTo))
{
var currSearch = CurrentSearch;
CurrentSearch = switchTo;
if (String.IsNullOrWhiteSpace(currSearch.CurrentText))
{
AllSearches.Remove(currSearch);
}
}
}
/// <summary>
/// Initiate a new ListVM
/// </summary>
public ListVM()
{
WillLogout = String.IsNullOrEmpty(App.StartupArgs.SessionToken);
RememberUser = App.RememberMe;
CurrentSearch = new SearchVM();
AllSearches = new ObservableCollection <SearchVM>();
AllSearches.Add(CurrentSearch);
SearchOkCmnd = new ActionCommand(() => NewSearch(SearchTerms));
SearchListsCmnd = new ActionCommand(GoToTopList);
CopyToClipboardCmd = new ActionCommand(CopyToClipboard);
SwitchToSearchCmd = new ActionCommand <SearchVM>(SwitchToSearch);
ClearSearchesCmd = new ActionCommand(ClearSearches);
GoToTopList();
}
/// <summary>
/// Prepare a new search, using either the current search if not currently already selected, or creating a new search VM
/// </summary>
/// <param name="perform">Action to perform on the appropriate search VM</param>
private void PrepareNewSearch(Action <SearchVM> perform)
{
if (String.IsNullOrWhiteSpace(CurrentSearch.CurrentText))
{
if (perform != null)
{
perform(CurrentSearch);
}
}
else
{
var newSearch = new SearchVM();
AllSearches.Add(newSearch);
CurrentSearch = newSearch;
if (perform != null)
{
perform(newSearch);
}
}
}
/// <summary>
/// Convert Child items into new ViewModel Items
/// </summary>
/// <param name="inItems">Children items to convert</param>
/// <param name="parentVM">ListVM object that is the highest parent</param>
/// <param name="itemParentVM">The parent Item's ViewModel</param>
/// <returns>New range of ListItemVM objects for the children</returns>
public static IEnumerable <ListItemVM> GetChildItems(IEnumerable <IcdCodeItem> inItems, SearchVM parentVM, ListItemVM itemParentVM)
{
var useParentTitle = new List <string>();
if (itemParentVM != null)
{
useParentTitle.AddRange(itemParentVM.ParentTitle);
useParentTitle.Add(itemParentVM.Title.Title);
}
var resultGroups = from child in inItems
group child by child.Code.ChildType;
var directChildren = (from result in resultGroups
where result.Key == IcdCodeStrings.ChildType_Direct
from ret in result
select ret).ToList();
if (directChildren.Count > 0)
{
yield return(new ListItemVM(0, IcdCodeItemMethods.NewDividerItem(SpecificityString), Enumerable.Empty <string>())
{
ParentVM = parentVM,
ParentItemVM = itemParentVM
});
foreach (var child in directChildren)
{
yield return(new ListItemVM(0, child, useParentTitle)
{
ParentVM = parentVM,
ParentItemVM = itemParentVM
});
}
yield break;
}
foreach (var type in ChildTypes)
{
var currChildren = (from result in resultGroups
where result.Key == type.Key
from ret in result
select ret).ToList();
if (currChildren.Count > 0)
{
yield return(new ListItemVM(0, IcdCodeItemMethods.NewDividerItem(type.Value), Enumerable.Empty <string>())
{
ParentVM = parentVM,
ParentItemVM = itemParentVM
});
foreach (var child in currChildren)
{
yield return(new ListItemVM(0, child, Enumerable.Empty <string>())
{
ParentVM = parentVM,
ParentItemVM = itemParentVM
});
}
}
}
}