public void RefreshConditionButtons(FilterConditionsViewModel filter = null)
{
var isRootFilter = filter == null;
if (filter == null)
{
DeleteSelectedConditionsButton.IsVisible = false;
GroupSelectedConditionsAnd.IsVisible = false;
GroupSelectedConditionsOr.IsVisible = false;
UngroupSelectedConditions.IsVisible = false;
filter = FilterConditions;
if (!AllowQuery)
{
return;
}
}
if (filter != null)
{
var selectedCount = filter.SelectedConditions.Count();
if (selectedCount > 0)
{
DeleteSelectedConditionsButton.IsVisible = true;
}
if (selectedCount > 0 && !isRootFilter)
{
UngroupSelectedConditions.IsVisible = true;
}
if (selectedCount > 1 && filter.FilterOperator == FilterOperator.And)
{
GroupSelectedConditionsOr.IsVisible = true;
}
if (selectedCount > 1 && filter.FilterOperator == FilterOperator.Or)
{
GroupSelectedConditionsAnd.IsVisible = true;
}
foreach (var item in filter.FilterConditions)
{
RefreshConditionButtons(item);
}
}
}
private void DeleteSelected(FilterConditionsViewModel filterConditions = null, FilterConditionsViewModel parentFilterConditions = null)
{
var isRootFilter = filterConditions == null;
if (filterConditions == null)
{
filterConditions = FilterConditions;
}
var selectedConditions = filterConditions.SelectedConditions;
foreach (var item in filterConditions.Conditions.Where(c => c.QueryConditionObject.IsSelected).ToArray())
{
filterConditions.Conditions.Remove(item);
}
foreach (var item in filterConditions.FilterConditions.ToArray())
{
DeleteSelected(item, filterConditions);
}
CheckRemoveFilter(filterConditions, parentFilterConditions);
if (isRootFilter)
{
RefreshConditionButtons();
}
}
private static void CheckRemoveFilter(FilterConditionsViewModel filterConditions, FilterConditionsViewModel parentFilterConditions)
{
if (filterConditions.Conditions.Count == 1 &&
filterConditions.FilterConditions.Count == 0 &&
parentFilterConditions != null)
{
parentFilterConditions.FilterConditions.Remove(filterConditions);
}
}
private void UnGroupSelected(FilterConditionsViewModel filterConditions = null, FilterConditionsViewModel parentFilterConditions = null)
{
var isRootFilter = filterConditions == null;
if (filterConditions == null)
{
filterConditions = FilterConditions;
}
var selectedConditions = filterConditions.SelectedConditions;
if (selectedConditions.Count() > 0 &&
parentFilterConditions != null)
{
foreach (var item in selectedConditions)
{
filterConditions.Conditions.Remove(item);
parentFilterConditions.Conditions.Insert(0, item);
}
}
foreach (var item in filterConditions.FilterConditions.ToArray())
{
UnGroupSelected(item, filterConditions);
}
CheckRemoveFilter(filterConditions, parentFilterConditions);
if (isRootFilter)
{
RefreshConditionButtons();
}
}
private void GroupSelected(FilterOperator filterOperator, FilterConditionsViewModel filterConditions = null, FilterConditionsViewModel parentFilterConditions = null)
{
var isRootFilter = filterConditions == null;
if (filterConditions == null)
{
filterConditions = FilterConditions;
}
var selectedConditions = filterConditions.SelectedConditions;
if (selectedConditions.Count() > 1 &&
filterConditions.FilterOperator != filterOperator)
{
var newFilterCondition = CreateFilterCondition();
newFilterCondition.FilterOperator = filterOperator;
foreach (var item in selectedConditions)
{
filterConditions.Conditions.Remove(item);
newFilterCondition.Conditions.Insert(0, item);
}
filterConditions.FilterConditions.Add(newFilterCondition);
}
foreach (var item in filterConditions.FilterConditions.ToArray())
{
GroupSelected(filterOperator, item, filterConditions);
}
if (isRootFilter)
{
RefreshConditionButtons();
}
}
