private void NewFilterGroup(string op, bool start = false)
{
FilterBlock newfilter = new FilterBlock(" ( " + op + " ", FILTER_GROUPS.OPEN);
if (start)
{
InsertGroup(start, newfilter);
}
else
{
if ((GroupsCount == 0) && (AddedFilters.Count > 0))
{
FilterBlock openfilter = new FilterBlock(" ( & ", FILTER_GROUPS.OPEN);
InsertGroup(true, openfilter);
}
InsertGroup(false, newfilter);
}
SetFilterText();
UpdateCMDGroup();
}
private void InsertGroup(bool start, FilterBlock newFilter)
{
if (start)
{
AddedFilters.Insert(0, newFilter);
}
else
{
AddedFilters.Add(newFilter);
}
GroupsCount++;
}
private void UnDoFilter()
{
if (AddedFilters.Count > 0)
{
FilterBlock curfilter = AddedFilters.Last();
GroupsCount += curfilter.CounterHandle;
AddedFilters.Remove(curfilter);
if ((GroupsCount == 1) && (AddedFilters.Count == 2))
{
GroupsCount = 0;
AddedFilters.RemoveAt(0);
}
SetFilterText();
}
this.cmdUnDo.Enabled = (AddedFilters.Count > 0);
UpdateCMDGroup();
}