protected virtual void Expand()
{
var endState = !IsExpanded;
foreach (var ele in SubCategories.Where(cat => cat.IsExpanded == true))
{
ele.IsExpanded = false;
}
//Walk down the tree expanding anything nested one layer deep
//this can be removed when we have the hierachy implemented properly
if (Items.Count == 1 && SubCategories.Any())
{
var subElement = SubCategories[0];
while (subElement.Items.Count == 1)
{
subElement.IsExpanded = true;
if (subElement.SubCategories.Any())
{
subElement = subElement.SubCategories[0];
}
else
{
break;
}
}
subElement.IsExpanded = true;
}
IsExpanded = endState;
}
private void CategoryOnPropertyChanged(object sender, PropertyChangedEventArgs propertyChangedEventArgs)
{
if (propertyChangedEventArgs.PropertyName == "IsExpanded")
{
var category = (NodeCategoryViewModel)sender;
if (category.IsExpanded)
{
foreach (var other in SubCategories.Where(other => other != category))
{
other.IsExpanded = false;
}
}
}
}
public void InsertSubCategory(NodeCategoryViewModel newSubCategory)
{
var list = SubCategories.Where(cat => !(cat is ClassesNodeCategoryViewModel));
var nextLargerItemIndex = FindInsertionPointByName(list, newSubCategory.Name);
if (nextLargerItemIndex >= 0)
{
bool hasClasses = SubCategories.FirstOrDefault() is ClassesNodeCategoryViewModel;
var offset = hasClasses ? 1 : 0;
SubCategories.Insert(nextLargerItemIndex + offset, newSubCategory);
}
else
{
SubCategories.Add(newSubCategory);
}
}
protected virtual void Expand()
{
var endState = !IsExpanded;
foreach (var ele in SubCategories.Where(cat => cat.IsExpanded))
{
ele.IsExpanded = false;
}
//Walk down the tree expanding anything nested one layer deep
//this can be removed when we have the hierachy implemented properly
if (Items.Count == 1 && SubCategories.Any())
{
var subElement = SubCategories[0];
while (subElement.Items.Count == 1)
{
subElement.IsExpanded = true;
if (subElement.SubCategories.Any())
{
subElement = subElement.SubCategories[0];
}
else
{
break;
}
}
subElement.IsExpanded = true;
}
IsExpanded = endState;
if (TreeViewItems != null)
{
//ClassDetails.IsExpanded = IsExpanded;
TreeViewItems[0].IsExpanded = IsExpanded;
}
OnRequestReturnFocusToSearch();
}
