void ShowFilter(FilterItem filterItem, CustomFilterViewModel filterViewModel, Action onSave)
{
if (FilterDialogService.ShowDialog(MessageButton.OKCancel, "Create Custom Filter", "CustomFilterView", filterViewModel) != MessageResult.OK)
{
return;
}
filterItem.FilterCriteria = filterViewModel.FilterCriteria;
filterItem.Name = filterViewModel.FilterName;
ActiveFilterItem = filterItem;
if (filterViewModel.Save)
{
onSave();
UpdateFilters();
}
}
public void ModifyCustomFilter(FilterItem existing)
{
FilterItem clone = existing.Clone();
var filterViewModel = CreateCustomFilterViewModel(clone, true);
ShowFilter(clone, filterViewModel, () =>
{
existing.FilterCriteria = clone.FilterCriteria;
existing.Name = clone.Name;
SaveCustomFilters();
if (existing == SelectedItem)
{
OnSelectedItemChanged();
}
});
}
void AddNewCustomFilter(FilterItem filterItem)
{
if (string.IsNullOrEmpty(filterItem.Name))
{
int prevIndex = CustomFilters.Select(fi => Regex.Match(fi.Name, NewFilterName + @" (?<index>\d+)")).Where(m => m.Success).Select(m => int.Parse(m.Groups["index"].Value)).DefaultIfEmpty(0).Max();
filterItem.Name = NewFilterName + " " + (prevIndex + 1);
}
else
{
var existing = CustomFilters.FirstOrDefault(fi => fi.Name == filterItem.Name);
if (existing != null)
{
CustomFilters.Remove(existing);
}
}
CustomFilters.Add(filterItem);
SaveCustomFilters();
}
void IFilterTreeViewModel.SetViewModel(object viewModel, object selectedFilterName)
{
this.viewModel = viewModel;
var viewModelContainer = viewModel as IFilterTreeViewModelContainer <TEntity, TFilterEntity, TPrimaryKey>;
if (viewModelContainer != null)
{
viewModelContainer.FilterTreeViewModel = this;
}
if (selectedFilterName != null)
{
FilterItem contextFilterItem = ContextFilters.FirstOrDefault(x => x.Name == selectedFilterName.ToString());
if (contextFilterItem != null)
{
SelectedItem = contextFilterItem;
SelectedItem.IsSelected = true;
}
}
UpdateFilterExpression();
}
public FilterItem Clone(string name, string imageUri)
{
return(FilterItem.Create(EntitiesCount, name, FilterCriteria, imageUri, ShowEntityCount));
}
public FilterItem Clone()
{
return(FilterItem.Create(EntitiesCount, Name, FilterCriteria, ImageUri, ShowEntityCount));
}
FilterItem CreateFilterItem(string name, CriteriaOperator filterCriteria, string imageUri, bool showEntityCount)
{
return(FilterItem.Create(GetEntityCount(filterCriteria), name, filterCriteria, imageUri, showEntityCount));
}
public void DeleteCustomFilter(FilterItem filterItem)
{
CustomFilters.Remove(filterItem);
SaveCustomFilters();
}
