private void ClearFilter()
{
filterContext.RemoveFilter(ColumnName);
filterIsApplied = false;
filterDefinitionOpened = false;
StateCache.RemoveStateValue(ColumnName);
state = null;
}
private void CacheActualState()
{
var filterState = new ColumnFilterState(actualFilterValue, selectedFilterOperation);
if (!stateCache.ContainsKey(ColumnName))
{
stateCache.Add(ColumnName, filterState);
}
else
{
stateCache[ColumnName] = filterState;
}
}
private void LoadStateIfExists()
{
if (state != null)
{
selectedFilterOperation = state.FilterOperation;
actualFilterValue = (TValue)state.FilterValue;
filterIsApplied = true;
return;
}
if (CascadeFlexGridContext.GridConfiguration.PreserveFiltering &&
StateCache.TryGetStateValue <ColumnFilterState>(ColumnName, out var cachedState))
{
state = cachedState;
selectedFilterOperation = state.FilterOperation;
actualFilterValue = (TValue)state.FilterValue;
filterIsApplied = true;
filterContext.AddOrUpdateFilterDefinition(new ExpressionFilterDefinition(
ColumnName, selectedFilterOperation, actualFilterValue, TextComparison), false);
}
}
private void CacheActualState()
{
state = new ColumnFilterState(actualFilterValue, selectedFilterOperation);
StateCache.SetStateValue(ColumnName, new ColumnFilterState(actualFilterValue, selectedFilterOperation));
}