protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
base.OnCollectionChanged(e);
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (_I item in e.NewItems)
{
var parentName = CremaDataTable.GetParentName(item.Name);
if (parentName != string.Empty)
{
item.Parent = this[parentName];
}
item.TableInfoChanging += Item_TableInfoChanging;
item.TableInfoChanged += Item_TableInfoChanged;
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (_I item in e.OldItems)
{
item.TableInfoChanging -= Item_TableInfoChanging;
item.TableInfoChanged -= Item_TableInfoChanged;
item.TemplatedParent = null;
}
}
}
private void UpdateItemsSource()
{
var viewModels = new Dictionary <string, TreeViewItemViewModel>();
var dataSet = this.shell.DataSet;
var categories = dataSet.ExtendedProperties[CremaSchema.TableDirectory] as string[];
var compositionService = this.ServiceProvider.GetService(typeof(ICompositionService)) as ICompositionService;
foreach (var item in categories)
{
if (item == PathUtility.Separator)
{
viewModels.Add(item, new DataBaseTreeViewItemViewModel(dataSet, this));
}
else
{
viewModels.Add(item, new CategoryTreeViewItemViewModel(dataSet, item, this));
}
}
foreach (var item in dataSet.Tables)
{
viewModels.Add(item.CategoryPath + item.Name, new TableTreeViewItemViewModel(item, this));
}
foreach (var item in viewModels)
{
compositionService.SatisfyImportsOnce(item.Value);
if (item.Key == PathUtility.Separator)
{
}
else
{
if (NameValidator.VerifyCategoryPath(item.Key) == true)
{
var categoryName = new CategoryName(item.Key);
item.Value.Parent = viewModels[categoryName.ParentPath];
}
else
{
var itemName = new ItemName(item.Key);
if (itemName.Name.IndexOf('.') > 0)
{
var parentName = CremaDataTable.GetParentName(itemName.Name);
item.Value.Parent = viewModels[itemName.CategoryPath + parentName];
}
else
{
item.Value.Parent = viewModels[itemName.CategoryPath];
}
}
}
}
this.Items.Clear();
this.Items.Add(viewModels[PathUtility.Separator]);
}