private void Applications_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
var comparer = new ApplicationEqualityComparer();
if (e.Action.Equals(NotifyCollectionChangedAction.Add))
{
foreach (var item in e.NewItems)
{
var app = item as Application;
base.Children.Add(new ApplicationTreeViewItemViewModel(app, this));
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Remove))
{
foreach (var item in e.OldItems)
{
var appsToRemove = new List <TreeViewItemViewModel>();
var app = item as Application;
foreach (var treeView in base.Children)
{
var appTreeView = treeView as ApplicationTreeViewItemViewModel;
if (comparer.Equals(appTreeView.Application, app))
{
appsToRemove.Add(treeView);
}
}
foreach (var treeView in appsToRemove)
{
base.Children.Remove(treeView);
}
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Replace))
{
foreach (var item in e.NewItems)
{
var app = item as Application;
foreach (var treeView in base.Children)
{
var appTreeView = treeView as ApplicationTreeViewItemViewModel;
if (comparer.Equals(appTreeView.Application, app))
{
appTreeView.Application = app;
if (!appTreeView.HasNotBeenPopulated)
{
appTreeView.LoadChildren();
}
}
}
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Reset))
{
base.Children.Clear();
}
}
private void Applications_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
var comparer = new ApplicationEqualityComparer();
if (e.Action.Equals(NotifyCollectionChangedAction.Add))
{
foreach (object item in e.NewItems)
{
var app = item as Application;
base.Children.Add(new ApplicationTreeViewItemViewModel(app, this));
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Remove))
{
foreach (object item in e.OldItems)
{
var appsToRemove = new List<TreeViewItemViewModel>();
var app = item as Application;
foreach (TreeViewItemViewModel treeView in base.Children)
{
var appTreeView = treeView as ApplicationTreeViewItemViewModel;
if (comparer.Equals(appTreeView.Application, app))
appsToRemove.Add(treeView);
}
foreach (TreeViewItemViewModel treeView in appsToRemove)
base.Children.Remove(treeView);
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Replace))
{
foreach (object item in e.NewItems)
{
var app = item as Application;
foreach (TreeViewItemViewModel treeView in base.Children)
{
var appTreeView = treeView as ApplicationTreeViewItemViewModel;
if (comparer.Equals(appTreeView.Application, app))
{
appTreeView.Application = app;
if (!appTreeView.HasNotBeenPopulated)
appTreeView.LoadChildren();
}
}
}
}
else if (e.Action.Equals(NotifyCollectionChangedAction.Reset))
base.Children.Clear();
}
