private IEnumerable <RootNodeCategoryViewModel> CategorizeEntries(IEnumerable <NodeSearchElement> entries, bool expanded)
{
var tempRoot = entries.GroupByRecursive <NodeSearchElement, string, NodeCategoryViewModel>(
element => element.Categories,
(name, subs, es) =>
{
var category =
new NodeCategoryViewModel(name, es.OrderBy(en => en.Name).Select(MakeNodeSearchElementVM), subs);
category.IsExpanded = expanded;
category.RequestBitmapSource += SearchViewModelRequestBitmapSource;
category.RequestReturnFocusToSearch += OnRequestFocusSearch;
return(category);
}, "");
var result = tempRoot.SubCategories.Select(cat =>
{
var rootCat = new RootNodeCategoryViewModel(cat.Name, cat.Entries, cat.SubCategories)
{
IsExpanded = expanded
};
rootCat.RequestReturnFocusToSearch += OnRequestFocusSearch;
return(rootCat);
});
tempRoot.Dispose();
return(result.OrderBy(cat => cat.Name));
}
private IEnumerable <RootNodeCategoryViewModel> CategorizeEntries(IEnumerable <NodeSearchElement> entries, bool expanded)
{
var tempRoot = entries.GroupByRecursive <NodeSearchElement, string, NodeCategoryViewModel>(
element => element.Categories,
(name, subs, es) =>
{
var category =
new NodeCategoryViewModel(name, es.OrderBy(en => en.Name).Select(MakeNodeSearchElementVM), subs);
category.IsExpanded = expanded;
category.RequestBitmapSource += SearchViewModelRequestBitmapSource;
category.RequestReturnFocusToSearch += OnRequestFocusSearch;
return(category);
}, "");
var result = tempRoot.SubCategories.Select(cat =>
{
var rootCat = new RootNodeCategoryViewModel(cat.Name, cat.Entries, cat.SubCategories)
{
IsExpanded = expanded
};
rootCat.RequestReturnFocusToSearch += OnRequestFocusSearch;
// Since all the root categories will be new RootNodeCategoryViewModel objects,
// we should dispose the old ones. Since they are still watching for subcategories'
// property changes, they will never be garbage collected.
cat.Dispose();
return(rootCat);
});
tempRoot.Dispose();
return(result.OrderBy(cat => cat.Name));
}
public void BrowserInternalElementToBoolConverterTest()
{
var converter = new NodeCategoryVMToBoolConverter();
var NcVM = new NodeCategoryViewModel("");
var RncVM = new RootNodeCategoryViewModel("");
var CncVM = new ClassesNodeCategoryViewModel(RncVM);
object result;
//1. Element is null.
//2. Element is NodeCategoryViewModel.
//2. Element is RootNodeCategoryViewModel.
//2. Element is ClassesNodeCategoryViewModel.
// 1 case
result = converter.Convert(null, null, null, null);
Assert.AreEqual(false, result);
// 2 case
result = converter.Convert(NcVM, null, null, null);
Assert.AreEqual(true, result);
// 3 case
result = converter.Convert(RncVM, null, null, null);
Assert.AreEqual(false, result);
// 4 case
result = converter.Convert(CncVM, null, null, null);
Assert.AreEqual(false, result);
}
public void RootElementToBoolConverterTest()
{
var converter = new RootElementVMToBoolConverter();
var RncVM = new RootNodeCategoryViewModel("");
object result;
//1. Element is null.
//2. Element is RootNodeCategoryViewModel.
// 1 case
result = converter.Convert(null, null, null, null);
Assert.AreEqual(false, result);
// 2 case
result = converter.Convert(RncVM, null, null, null);
Assert.AreEqual(true, result);
}
public void ElementTypeToBoolConverterTest()
{
ElementTypeToBoolConverter converter = new ElementTypeToBoolConverter();
var NseVM = new NodeSearchElementViewModel(
new NodeModelSearchElement(new TypeLoadData(typeof(Dynamo.Nodes.Symbol))), null);
var NcVM = new NodeCategoryViewModel("");
var RncVM = new RootNodeCategoryViewModel("");
var CncVM = new ClassesNodeCategoryViewModel(RncVM);
object result;
//1. Element is null.
//2. Element is NodeSearchElement.
//3. Element is NodeCategoryViewModel.
//4. Element is RootNodeCategoryViewModel.
//5. Element is RootNodeCategoryViewModel with ClassesNodeCategoryViewModel.
// 1 case
result = converter.Convert(null, null, null, null);
Assert.AreEqual(false, result);
// 2 case
result = converter.Convert(NseVM, null, null, null);
Assert.AreEqual(false, result);
// 3 case
result = converter.Convert(NcVM, null, null, null);
Assert.AreEqual(true, result);
// 4 case
result = converter.Convert(RncVM, null, null, null);
Assert.AreEqual(true, result);
// 5 case
RncVM.SubCategories.Add(CncVM);
result = converter.Convert(RncVM, null, null, null);
Assert.AreEqual(false, result);
}
/// <summary>
/// Performs a search and updates the observable SearchResults property.
/// </summary>
/// <param name="query"> The search query </param>
public void SearchAndUpdateResults(string query)
{
if (Visible != true)
{
return;
}
// deselect the last selected item
if (visibleSearchResults.Count > SelectedIndex)
{
visibleSearchResults[SelectedIndex].IsSelected = false;
}
// if the search query is empty, go back to the default treeview
if (string.IsNullOrEmpty(query))
{
return;
}
// clear visible results list
visibleSearchResults.Clear();
foreach (var category in SearchRootCategories)
{
category.DisposeTree();
}
SearchRootCategories.Clear();
if (string.IsNullOrEmpty(query))
{
return;
}
var result =
Model.Search(query).Where(r => r.IsVisibleInSearch).Take(MaxNumSearchResults).ToList();
// Add top result
var firstRes = result.FirstOrDefault();
if (firstRes == null)
{
return; //No results
}
var topResultCategory = new RootNodeCategoryViewModel("Top Result");
SearchRootCategories.Add(topResultCategory);
var copy = MakeNodeSearchElementVM(firstRes);
var catName = MakeShortCategoryString(firstRes.FullCategoryName);
var breadCrumb = new NodeCategoryViewModel(catName)
{
IsExpanded = true
};
breadCrumb.Entries.Add(copy);
topResultCategory.SubCategories.Add(breadCrumb);
topResultCategory.Visibility = true;
topResultCategory.IsExpanded = true;
SearchRootCategories.AddRange(CategorizeEntries(result, true));
visibleSearchResults.AddRange(SearchRootCategories.SelectMany(GetVisibleSearchResults));
if (visibleSearchResults.Any())
{
SelectedIndex = 0;
visibleSearchResults[0].IsSelected = true;
}
SearchResults.Clear();
foreach (var x in visibleSearchResults)
{
SearchResults.Add(x);
}
}
