/// <summary>
/// UnfilterCommand executed.
/// </summary>
private void UnfilterCommand_Executed()
{
foreach (BaseErrorListItemViewModel v in SelectedItems)
{
if (v is FilterableErrorListItemViewModel)
{
FilterableErrorListItemViewModel filterable = v as FilterableErrorListItemViewModel;
filteredErrorListData.Remove(filterable);
// we have to move this item from filtered to unfiltered
this.filteredErrorListItems.Remove(filterable);
this.unfilteredErrorListItems.Add(filterable);
IncreaseCategoryCount(filterable.Category);
filteredCount--;
OnPropertyChanged("FilteredCount");
filterable.IsFiltered = false;
}
}
UpdateDisplayList();
UpdateMenuOptions();
}
private void UpdateMenuOptions()
{
if (SelectedItems.Count == 1)
{
navigateMenuItem.IsEnabled = true;
}
else
{
navigateMenuItem.IsEnabled = false;
}
bool bCanFilter = false;
bool bCanUnfilter = false;
foreach (BaseErrorListItemViewModel v in SelectedItems)
{
if (!(v is FilterableErrorListItemViewModel))
{
bCanFilter = false;
bCanUnfilter = false;
break;
}
else
{
FilterableErrorListItemViewModel filterable = v as FilterableErrorListItemViewModel;
if (filteredErrorListData.Contains(filterable))
{
bCanUnfilter = true;
}
else
{
bCanFilter = true;
}
}
if (bCanFilter && bCanUnfilter)
{
bCanFilter = false;
bCanUnfilter = false;
break;
}
}
if (bCanFilter || bCanUnfilter)
{
if (!MenuOptions.Contains(separatorBeforeFilterItem))
{
MenuOptions.Add(separatorBeforeFilterItem);
}
}
else
if (MenuOptions.Contains(separatorBeforeFilterItem))
{
MenuOptions.Remove(separatorBeforeFilterItem);
}
if (bCanFilter)
{
if (!MenuOptions.Contains(filterMenuItem))
{
MenuOptions.Add(filterMenuItem);
}
}
else
{
if (MenuOptions.Contains(filterMenuItem))
{
MenuOptions.Remove(filterMenuItem);
}
}
if (bCanUnfilter)
{
if (!MenuOptions.Contains(unFilterMenuItem))
{
MenuOptions.Add(unFilterMenuItem);
}
}
else
{
if (MenuOptions.Contains(unFilterMenuItem))
{
MenuOptions.Remove(unFilterMenuItem);
}
}
}
